Joshua Moerman (@Kassalade)
14 years ago
42 changed files with 1254 additions and 1449 deletions
@ -1,245 +1,3 @@ |
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#include <iostream> |
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#include <fstream> |
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#include <cmath> |
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#include <cstdlib> |
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#include <cassert> |
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#include "pngwriter/pngwriter.h" |
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#include "Canvas.hpp" |
#include "Canvas.hpp" |
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// lol
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Canvas::Canvas(unsigned int width, unsigned int height, unsigned int num_colors): |
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dim(2), width(width), height(height), num_colors(num_colors), v(0) { |
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int_array = new unsigned int[width*height*num_colors]; |
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size = new unsigned int[2]; |
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size[0] = width; |
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size[1] = height; |
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assert(int_array != NULL); |
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clear(); |
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#ifdef HARDDEBUG |
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cout << "New canvas" << endl; |
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#endif |
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} |
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void Canvas::clear() { |
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for ( unsigned int i = 0; i < width*height*num_colors; i++ ) { |
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int_array[i] = 0; |
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} |
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} |
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//void Canvas::update_viewwindow() {
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//
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// //width and height of attractor
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// const double dx = xmax - xmin;
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// const double dy = ymax - ymin;
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//
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// //fix aspect ratio
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// if ( dx > dy * ((float)width / height) ) {
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// const double height2 = dx * ((float)height / width);
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// const double middle = 0.5 * (ymax + ymin);
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// ymax = middle + 0.5 * height2;
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// ymin = middle - 0.5 * height2;
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//
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// } else {
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// const double width2 = dy * ((float)width / height);
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// const double middle = 0.5 * (xmax + xmin);
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// xmax = middle + 0.5 * width2;
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// xmin = middle - 0.5 * width2;
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// }
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//
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// //add a 4% marge
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// xmin -= 0.02 * dx;
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// xmax += 0.02 * dx;
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// ymin -= 0.02 * dy;
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// ymax += 0.02 * dy;
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//
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// //constants for speed
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// constant1 = width / (xmax - xmin);
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// constant2 = height / (ymax - ymin);
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//}
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void Canvas::plot(double x, double y) { |
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// gets x and y coordinate
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// ranges [-1, 1] and [-1, 1]
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// so how to do the aspect shiz, i don't know
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const unsigned int x_int = x*width + width*.5; |
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const unsigned int y_int = y*width + height*.5; |
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const unsigned int index = x_int + width * y_int; |
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if(x_int < width && y_int < height) { |
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int_array[index]++; |
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} |
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} |
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void Canvas::plot(double x, double y, unsigned int c) { |
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// same as plot(double x, double y)
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// now with color control
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const unsigned int x_int = x*width + width*.5; |
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const unsigned int y_int = y*width + height*.5; |
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const unsigned int index = x_int + width * y_int + width*height*c; |
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if(x_int < width && y_int < height) { |
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int_array[index]++; |
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} |
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} |
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void Canvas::plot(double x, double y, unsigned int c, double intensity) { |
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// same as plot(double x, double y, unsigned int c)
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// but now uses the float array (not yet implemented
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} |
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/*
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I/O functions |
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*/ |
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void Canvas::output() { |
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std::cout << "Canvas: " << std::endl; |
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std::cout << "Dimensions: " << width << " x " << height << " x " << num_colors << std::endl; |
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} |
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void Canvas::output_file(const char * filename){ |
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unsigned int * max_int = new unsigned int[num_colors]; |
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double * power = new double[num_colors]; |
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for ( unsigned int i = 0; i < num_colors; i++ ) { |
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max_int[i] = 0; |
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double cumulative = 0; |
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unsigned int n = 0; |
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for ( unsigned int j = 0; j < width*height; j++) { |
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if ( max_int[i] < int_array[j+i*width*height] ) { |
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max_int[i] = int_array[j+i*width*height]; |
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} |
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if ( int_array[j+i*width*height] ) { |
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cumulative += int_array[j+i*width*height]; |
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n++; |
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} |
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} |
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if ( n > 100 ) { |
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const double average = cumulative / (double)n; |
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power[i] = -2.5/log(average/(double)max_int[i]); |
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if ( power[i] < 0 ) |
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power[i] = 1; |
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} else { |
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power[i] = 1; |
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} |
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if ( n <= 10 ) { |
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std::cout << "not enough data" << std::endl; |
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} |
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} |
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const double vibrancy = 2.0; |
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double averagePower = 0; |
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for ( unsigned int i = 0; i < num_colors; i++ ) { |
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averagePower += power[i]; |
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} |
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averagePower /= (double)num_colors; |
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for ( unsigned int i = 0; i < num_colors; i++ ) { |
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power[i] = vibrancy*power[i] + (1.0 - vibrancy)*averagePower; |
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} |
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pngwriter * pngFile = new pngwriter(width, height, 0.0, filename); |
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pngFile->setcompressionlevel(9); |
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pngFile->settext("Attractor", "Joshua Moerman", "A awesome attractor", "AwesomeAttractor"); |
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for ( unsigned int x = 0; x < width; x++ ) { |
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for ( unsigned int y = 0; y < height; y++ ) { |
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double r = 0.0; |
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double g = 0.0; |
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double b = 0.0; |
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for ( unsigned int c = 0; c < num_colors; c++ ) { |
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const double norm_value = (double)int_array[x + y*width + c*width*height]/max_int[c]; |
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switch(c){ |
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case 0: { |
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r = (pow(norm_value, power[c]))*3.5; |
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break; |
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} |
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case 1: { |
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g = (pow(norm_value, power[c]))*3.0; |
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break; |
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} |
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case 2: { |
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b = (pow(norm_value, power[c]))*3.0; |
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break; |
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} |
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default: |
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break; |
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} |
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} |
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//pngwriter clips values for me
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pngFile->plot(x, y, r, g, b); |
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} |
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} |
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delete[] max_int; |
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delete[] power; |
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std::cout << "ready for writing file i suppose: " << filename << std::endl; |
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std::ofstream file(filename); |
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if ( !file ) { |
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std::cout << "jij hebt pech, geen png voor jou" << std::endl; |
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} |
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std::cout << filename << std::endl; |
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pngFile->close(); |
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} |
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void Canvas::output_file(){ |
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char filename[50]; |
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time_t t = time(0); |
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struct tm* lt = localtime(&t); |
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int r = rand() % 10; |
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sprintf(filename, "render/attractor_%04d-%02d-%02d_%02d-%02d-%02d-%01d.png", lt->tm_year + 1900, lt->tm_mon + 1, lt->tm_mday, lt->tm_hour, lt->tm_min, lt->tm_sec, r); |
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output_file(filename); |
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} |
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void Canvas::output_raw(const char * filename){ |
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std::ofstream outfile (filename, std::ofstream::binary); |
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outfile.write(reinterpret_cast<char*>(int_array), sizeof(unsigned int)*width*height*num_colors); |
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} |
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void Canvas::output_raw(){ |
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char filename[52]; |
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time_t t = time(0); |
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struct tm* lt = localtime(&t); |
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int r = rand() % 10; |
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sprintf(filename, "render/canv%dx%d_%04d-%02d-%02d_%02d-%02d-%02d-%01d.canv", width, height, lt->tm_year + 1900, lt->tm_mon + 1, lt->tm_mday, lt->tm_hour, lt->tm_min, lt->tm_sec, r); |
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output_raw(filename); |
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} |
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void Canvas::input_raw(const char * filename){ |
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std::ifstream infile(filename, std::ifstream::binary); |
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if ( ! infile ) { |
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std::cout << "poep" << std::endl; |
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return; |
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} |
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infile.seekg (0, std::ios::end); |
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int length = infile.tellg(); |
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infile.seekg (0, std::ios::beg); |
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std::cout << "length: " << length << " =? " << static_cast<int>(width*height*num_colors*sizeof(unsigned int)) << std::endl; |
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infile.read (reinterpret_cast<char*>(int_array), sizeof (unsigned int)*width*height*num_colors); |
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} |
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@ -0,0 +1,22 @@ |
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#ifndef LOGGER_HPP_INCLUDED |
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#define LOGGER_HPP_INCLUDED |
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#include <cstdio> |
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extern int verbose; |
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#define LogDebug(s, ...) \ |
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if ( verbose >= 3 ) printf(s, ##__VA_ARGS__); |
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#define LogMoreInfo(s, ...) \ |
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if ( verbose >= 2 ) printf(s, ##__VA_ARGS__); |
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#define LogInfo(s, ...) \ |
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if ( verbose >= 1 ) printf(s, ##__VA_ARGS__); |
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#define LogError(s, ...) \ |
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if ( verbose >= 0 ) { printf("%s, %d: ", __FILE__, __LINE__); printf(s, ##__VA_ARGS__); } |
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#endif // LOGGER_HPP_INCLUDED
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@ -1,110 +0,0 @@ |
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#include <iostream> |
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using namespace std; |
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#include "Parameters.hpp" |
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Parameters::Parameters(unsigned int num_parameters, float default_val): |
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num_parameters(num_parameters) { |
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begin = new (nothrow) Vector(num_parameters, default_val); |
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eind = new (nothrow) Vector(num_parameters, default_val); |
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interpolated = new (nothrow) Vector(num_parameters, default_val); |
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// *interpolated = *begin
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check_pointers(); |
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#ifdef HARDDEBUG |
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cout << "New Parameters with one default val:" << endl << *this << endl; |
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#endif |
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} |
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/*Parameters::Parameters(unsigned int num_parameters, float default_val1, float default_val2):
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num_parameters(num_parameters) { |
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begin = new (nothrow) Vector(num_parameters, default_val1); |
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eind = new (nothrow) Vector(num_parameters, default_val2); |
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interpolated = new (nothrow) Vector(num_parameters, default_val1); |
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// *interpolated = *begin
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check_pointers(); |
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#ifdef HARDDEBUG |
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cout << "New Parameters with two default vals:" << endl << *this << endl; |
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#endif |
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}*/ |
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Parameters::~Parameters() { |
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delete begin; |
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delete eind; |
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delete interpolated; |
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#ifdef HARDDEBUG |
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cout << "Parameters deleted" << endl; |
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#endif |
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} |
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void Parameters::check_pointers() { |
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assert(begin != NULL); |
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assert(eind != NULL); |
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assert(interpolated != NULL); |
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} |
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void Parameters::set(unsigned int parameter, float val1, float val2) { |
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assert(parameter < num_parameters); |
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begin->coordinates[parameter] = val1; |
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eind->coordinates[parameter] = val2; |
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interpolated->coordinates[parameter] = val1; |
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#ifdef HARDDEBUG |
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cout << "Parameter " << parameter << " set to: " << val1 << " - " << val2 << endl; |
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#endif |
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} |
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void Parameters::set(unsigned int parameter, float val) { |
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assert(parameter < num_parameters); |
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begin->coordinates[parameter] = val; |
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eind->coordinates[parameter] = val; |
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interpolated->coordinates[parameter] = val; |
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#ifdef HARDDEBUG |
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cout << "Parameter " << parameter << " set to: " << val << endl; |
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#endif |
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} |
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float Parameters::get(unsigned int parameter) { |
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assert(parameter < num_parameters); |
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#ifdef HARDDEBUG |
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cout << "Asked for parameter " << parameter << " with value:" << interpolated->coordinates[parameter] << endl; |
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#endif |
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return interpolated->coordinates[parameter]; |
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} |
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void Parameters::interpolate(float time) { |
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/*
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Dit is mogelijk met vector rekenen: |
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(*interpolated) = (*begin) * ( 1.0 - time ) + (*eind) * time; |
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Maar we doen het per element, zodat we simpelere code hebben, |
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geen vectoren hoeven te returnen en makkelijker kunnen optimaliseren |
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*/ |
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const float invtime = 1.0 - time; |
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for ( unsigned int i = 0; i < num_parameters; i++ ) { |
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interpolated->coordinates[i] = invtime * begin->coordinates[i] + time * eind->coordinates[i]; |
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} |
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#ifdef HARDDEBUG |
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cout << "interpolate() result" << endl << *interpolated << endl; |
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#endif |
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} |
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ostream& operator<<(ostream& os, const Parameters& param) { |
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os << param.num_parameters << endl; |
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os << "Begin:" << endl << *param.begin << endl; |
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os << "Eind:" << endl << *param.eind << endl; |
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os << "Interpolated:" << endl << *param.interpolated << endl; |
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os <<endl; |
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return os; |
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} |
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@ -1,34 +0,0 @@ |
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#ifndef PARAMETER_HPP |
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#define PARAMETER_HPP |
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#include "Vector.hpp" |
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class Parameters { |
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Vector * begin; |
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Vector * eind; |
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Vector * interpolated; |
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void check_pointers(); |
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public: |
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// for checks and assertions
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unsigned int num_parameters; |
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Parameters(unsigned int num_parameters, float default_val = 0.0); |
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//Parameters(unsigned int num_parameters, float default_val1, float default_val2);
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~Parameters(); |
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void set(unsigned int parameter, float val1, float val2); |
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void set(unsigned int parameter, float val); |
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float get(unsigned int parameter); |
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void interpolate(float time); |
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// output operator
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friend ostream& operator<<(ostream& os, const Parameters& param); |
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}; |
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#endif // PARAMETER_HPP
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@ -1,109 +1,61 @@ |
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#include <iostream> |
#include "Logger.hpp" |
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#include <cmath> |
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#include <cassert> |
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#include "Projector.hpp" |
#include "Projector.hpp" |
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#include "Canvas.hpp" |
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#include "myMath.hpp" |
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void Projector::init(const double * point) { |
#include <algorithm> |
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init_vector(); |
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project(point); |
#include "Canvas.hpp" |
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init_range(); |
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} |
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void Projector::init_vector() { |
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project_point = new double[intern_dim]; |
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offset = new double[intern_dim]; |
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assert(project_point != NULL); |
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assert(offset != NULL); |
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} |
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void Projector::init_range() { |
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range_min = new double[intern_dim]; |
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range_max = new double[intern_dim]; |
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assert(range_min != NULL); |
#pragma mark - |
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assert(range_max != NULL); |
#pragma mark memory |
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for ( unsigned int i = 0; i < intern_dim; i++ ) { |
Projector::Projector(unsigned int inputDimension, unsigned int outputDimension) : canvas(0), projector(0), projectedPoint(0), inputDimension(inputDimension), outputDimension(outputDimension), ready(true) { |
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range_min[i] = range_max[i] = project_point[i]; |
try { |
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allocate(); |
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} catch(std::exception& e) { |
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LogError("Couldn't construct Projector: %s\n", e.what()); |
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deallocate(); |
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} |
} |
||||
|
std::fill_n(projectedPoint, outputDimension, 0.0); |
||||
} |
} |
||||
|
|
||||
void Projector::update_range(const double * point) { |
Projector::~Projector(){ |
||||
project(point); |
deallocate(); |
||||
for ( unsigned int i = 0; i < intern_dim; i++ ) { |
|
||||
if ( project_point[i] < range_min[i] ) { |
|
||||
range_min[i] = project_point[i]; |
|
||||
} else if ( project_point[i] > range_max[i] ) { |
|
||||
range_max[i] = project_point[i]; |
|
||||
} |
|
||||
} |
|
||||
} |
} |
||||
|
|
||||
void Projector::finish_range() { |
void Projector::allocate() { |
||||
// double max_dist = 0.0;
|
projectedPoint = new double[outputDimension]; |
||||
// for ( unsigned int i = 0; i < intern_dim; i++ ) {
|
|
||||
// const double dist = range_max[i] - range_min[i];
|
|
||||
// if ( dist > max_dist )
|
|
||||
// max_dist = dist;
|
|
||||
// }
|
|
||||
//
|
|
||||
// factor = 0.9/max_dist;
|
|
||||
// for ( unsigned int i = 0; i < intern_dim; i++ ) {
|
|
||||
// offset[i] = -0.5*factor*(range_min[i] + range_max[i]);
|
|
||||
// }
|
|
||||
|
|
||||
factor = canvas->size[0] / (range_max[0] - range_min[0]); |
|
||||
unsigned int teh_size = canvas->size[0]; |
|
||||
for ( unsigned int i = 1; i < intern_dim; i++ ) { |
|
||||
double dist = range_max[i] - range_min[i]; |
|
||||
if ( factor * dist > (double)canvas->size[i] ) { |
|
||||
factor = (double)canvas->size[i] / dist; |
|
||||
//teh_size = canvas->size[i];
|
|
||||
std::cout << "crap for dim" << i << std::endl; |
|
||||
} |
|
||||
} |
|
||||
|
|
||||
factor /= (double)teh_size; |
|
||||
|
|
||||
for ( unsigned int i = 0; i < intern_dim; i++ ) { |
|
||||
offset[i] = -0.5*factor*(range_min[i] + range_max[i]); |
|
||||
} |
|
||||
} |
} |
||||
|
|
||||
|
void Projector::deallocate() { |
||||
void Projector::project(const double * point) { |
delete[] projectedPoint; |
||||
assert(extern_dim >= 2); |
projectedPoint = NULL; |
||||
project_point[0] = point[0]; |
|
||||
project_point[1] = point[1]; |
|
||||
} |
} |
||||
|
|
||||
|
#pragma mark - |
||||
|
#pragma mark plot |
||||
|
|
||||
void Projector::plot(const double * point) { |
void Projector::plot(const double* point) { |
||||
project(point); |
project(point); |
||||
|
|
||||
const double x = project_point[0]*factor + offset[0]; |
if(ready) { |
||||
const double y = project_point[1]*factor + offset[1]; |
if(canvas != NULL) { |
||||
|
canvas->plot(projectedPoint); |
||||
//cout << x << ", " << y << endl;
|
} |
||||
|
|
||||
canvas->plot(x, y); |
if(projector != NULL) { |
||||
if ( even(point[2]*17) ) |
projector->plot(projectedPoint); |
||||
canvas->plot(x, y, 1); |
} |
||||
if ( even(point[2]*17+0.6) ) |
} |
||||
canvas->plot(x, y, 2); |
|
||||
} |
} |
||||
|
|
||||
|
#pragma mark - |
||||
|
#pragma mark factory function |
||||
|
|
||||
void Projector::output(){ |
#include "projectors/Normalizer.hpp" |
||||
std::cout << "Projector properties: " << std::endl; |
|
||||
std::cout << " factor: " << factor << std::endl; |
Projector* Projector::createProjector(stfu::node const& projector, stfu::node const& system) { |
||||
for ( unsigned int i = 0; i < intern_dim; i++ ) { |
Projector* output = new Normalizer(3); |
||||
std::cout << " dimension " << i << ": offset: " << offset[i] << ", range: [" << range_min[i] << ", " << range_max[i] << "]" << std::endl; |
|
||||
} |
return new Normalizer(3); |
||||
} |
} |
||||
|
|
||||
|
|||||
@ -1,126 +0,0 @@ |
|||||
#include <iostream> |
|
||||
using namespace std; |
|
||||
|
|
||||
#include "Vector.hpp" |
|
||||
|
|
||||
Vector::Vector(): |
|
||||
dimension(0) { |
|
||||
|
|
||||
coordinates = new (nothrow) float[0]; |
|
||||
|
|
||||
assert(coordinates != NULL); |
|
||||
|
|
||||
#ifdef HARDDEBUG |
|
||||
cout << "New vector (without elements)" << endl; |
|
||||
#endif |
|
||||
} |
|
||||
|
|
||||
Vector::Vector(unsigned int d): |
|
||||
dimension(d) { |
|
||||
|
|
||||
coordinates = new (nothrow) float[dimension]; |
|
||||
|
|
||||
assert(coordinates != NULL); |
|
||||
|
|
||||
#ifdef HARDDEBUG |
|
||||
cout << "New vector:" << endl << *this << endl; |
|
||||
#endif |
|
||||
} |
|
||||
|
|
||||
Vector::Vector(unsigned int d, float default_val): |
|
||||
dimension(d) { |
|
||||
|
|
||||
coordinates = new (nothrow) float[dimension]; |
|
||||
|
|
||||
assert(coordinates != NULL); |
|
||||
|
|
||||
for (unsigned int i = 0; i < dimension; i++) { |
|
||||
coordinates[i] = default_val; |
|
||||
} |
|
||||
|
|
||||
#ifdef HARDDEBUG |
|
||||
cout << "New vector with default values:" << endl << *this << endl; |
|
||||
#endif |
|
||||
} |
|
||||
|
|
||||
|
|
||||
Vector::~Vector() { |
|
||||
delete[] coordinates; |
|
||||
|
|
||||
#ifdef HARDDEBUG |
|
||||
cout << "coordinates deleted" << endl; |
|
||||
#endif |
|
||||
} |
|
||||
|
|
||||
|
|
||||
Vector& Vector::operator=(const Vector& a) { |
|
||||
if ( dimension != a.dimension ) { |
|
||||
dimension = a.dimension; |
|
||||
delete[] coordinates; |
|
||||
coordinates = new float[dimension]; |
|
||||
|
|
||||
#ifdef HARDDEBUG |
|
||||
cout << "Dimensions were not equal, made new vector" << endl; |
|
||||
#endif |
|
||||
} |
|
||||
|
|
||||
for ( unsigned int i = 0; i < dimension; i++ ) { |
|
||||
coordinates[i] = a.coordinates[i]; |
|
||||
} |
|
||||
|
|
||||
#ifdef HARDDEBUG |
|
||||
cout << "operator= result" << endl << *this << endl; |
|
||||
#endif |
|
||||
|
|
||||
return *this; |
|
||||
} |
|
||||
|
|
||||
|
|
||||
ostream& operator<<(ostream& os, const Vector& a) { |
|
||||
os << a.dimension << endl; |
|
||||
for ( unsigned int i = 0; i < a.dimension; i++ ) { |
|
||||
os << a.coordinates[i] << " "; |
|
||||
} |
|
||||
|
|
||||
os << endl; |
|
||||
return os; |
|
||||
} |
|
||||
|
|
||||
|
|
||||
float& Vector::operator[](const unsigned int index) { |
|
||||
assert(index < dimension); |
|
||||
return coordinates[index]; |
|
||||
} |
|
||||
|
|
||||
// matig werkende optelling en scalaire vermenigvuldiging van vectoren
|
|
||||
/*
|
|
||||
Vector Vector::operator+(const Vector a) const { |
|
||||
if ( dimension != a.dimension ) { |
|
||||
cout << "WARNING: dimensions not equal in vector addition" << endl; |
|
||||
exit(1); |
|
||||
} else { |
|
||||
static Vector ret(dimension); |
|
||||
for ( unsigned int i = 0; i < dimension; i++ ) { |
|
||||
ret.coordinates[i] = coordinates[i] + a.coordinates[i]; |
|
||||
} |
|
||||
|
|
||||
#ifdef HARDDEBUG |
|
||||
cout << "operator+ result" << endl << ret << endl; |
|
||||
#endif |
|
||||
return ret; |
|
||||
} |
|
||||
} |
|
||||
|
|
||||
|
|
||||
Vector Vector::operator*(const float a) const { |
|
||||
static Vector ret(dimension); |
|
||||
for ( unsigned int i = 0; i < dimension; i++ ) { |
|
||||
ret.coordinates[i] = coordinates[i] * a; |
|
||||
} |
|
||||
|
|
||||
#ifdef HARDDEBUG |
|
||||
cout << "operator* result" << endl << ret << endl; |
|
||||
#endif |
|
||||
return ret; |
|
||||
} |
|
||||
*/ |
|
||||
@ -1,31 +0,0 @@ |
|||||
#ifndef VECTOR_HPP |
|
||||
#define VECTOR_HPP |
|
||||
|
|
||||
class Vector { |
|
||||
public: |
|
||||
|
|
||||
unsigned int dimension; |
|
||||
float * coordinates; |
|
||||
|
|
||||
// const, dest
|
|
||||
Vector(); |
|
||||
Vector(unsigned int d); |
|
||||
Vector(unsigned int d, float default_val); |
|
||||
~Vector(); |
|
||||
|
|
||||
// output operator
|
|
||||
friend ostream& operator<<(ostream& os, const Vector& a); |
|
||||
|
|
||||
// easy access
|
|
||||
float& Vector::operator[](const unsigned int index); |
|
||||
|
|
||||
// vector rekenen
|
|
||||
Vector& operator=(const Vector& a); |
|
||||
// faaloperatoren
|
|
||||
// Vector operator+(const Vector a) const;
|
|
||||
// Vector operator*(const float a) const;
|
|
||||
}; |
|
||||
|
|
||||
|
|
||||
#endif // VECTOR_HPP
|
|
||||
|
|
||||
@ -0,0 +1,137 @@ |
|||||
|
#include "../Logger.hpp" |
||||
|
#include <fstream> |
||||
|
#include <cmath> |
||||
|
#include <cstdlib> |
||||
|
#include <cassert> |
||||
|
|
||||
|
#include "../pngwriter/pngwriter.h" |
||||
|
|
||||
|
#include "PNG.hpp" |
||||
|
|
||||
|
|
||||
|
PNG::PNG(unsigned int width, unsigned int height, unsigned int num_colors): |
||||
|
Canvas(2), width(width), height(height), num_colors(num_colors), v(0) { |
||||
|
|
||||
|
int_array = new unsigned int[width*height*num_colors]; |
||||
|
|
||||
|
assert(int_array != NULL); |
||||
|
|
||||
|
clear(); |
||||
|
|
||||
|
LogDebug("New Canvas\n"); |
||||
|
} |
||||
|
|
||||
|
void PNG::clear() { |
||||
|
for ( unsigned int i = 0; i < width*height*num_colors; i++ ) { |
||||
|
int_array[i] = 0; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
void PNG::plot(double * position) { |
||||
|
const double& x = position[0]; |
||||
|
const double& y = position[1]; |
||||
|
|
||||
|
const unsigned int x_int = x*width + width*.5; |
||||
|
const unsigned int y_int = y*width + height*.5; |
||||
|
const unsigned int index = x_int + width * y_int; |
||||
|
|
||||
|
if(x_int < width && y_int < height) { |
||||
|
int_array[index]++; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
/*
|
||||
|
I/O functions |
||||
|
*/ |
||||
|
|
||||
|
void PNG::output_file(const char * filename){ |
||||
|
unsigned int * max_int = new unsigned int[num_colors]; |
||||
|
double * power = new double[num_colors]; |
||||
|
|
||||
|
for ( unsigned int i = 0; i < num_colors; i++ ) { |
||||
|
max_int[i] = 0; |
||||
|
double cumulative = 0; |
||||
|
unsigned int n = 0; |
||||
|
|
||||
|
for ( unsigned int j = 0; j < width*height; j++) { |
||||
|
if ( max_int[i] < int_array[j+i*width*height] ) { |
||||
|
max_int[i] = int_array[j+i*width*height]; |
||||
|
} |
||||
|
if ( int_array[j+i*width*height] ) { |
||||
|
cumulative += int_array[j+i*width*height]; |
||||
|
n++; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
if ( n > 100 ) { |
||||
|
const double average = cumulative / (double)n; |
||||
|
power[i] = -2.5/log(average/(double)max_int[i]); |
||||
|
if ( power[i] < 0 ) |
||||
|
power[i] = 1; |
||||
|
} else { |
||||
|
power[i] = 1; |
||||
|
} |
||||
|
|
||||
|
if ( n <= 10 ) { |
||||
|
LogInfo("not enough data\n"); |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
const double vibrancy = 2.0; |
||||
|
double averagePower = 0; |
||||
|
for ( unsigned int i = 0; i < num_colors; i++ ) { |
||||
|
averagePower += power[i]; |
||||
|
} |
||||
|
averagePower /= (double)num_colors; |
||||
|
for ( unsigned int i = 0; i < num_colors; i++ ) { |
||||
|
power[i] = vibrancy*power[i] + (1.0 - vibrancy)*averagePower; |
||||
|
} |
||||
|
|
||||
|
pngwriter * pngFile = new pngwriter(width, height, 0.0, filename); |
||||
|
pngFile->setcompressionlevel(9); |
||||
|
pngFile->settext("Attractor", "Joshua Moerman", "A awesome attractor", "AwesomeAttractor"); |
||||
|
|
||||
|
for ( unsigned int x = 0; x < width; x++ ) { |
||||
|
for ( unsigned int y = 0; y < height; y++ ) { |
||||
|
double r = 0.0; |
||||
|
double g = 0.0; |
||||
|
double b = 0.0; |
||||
|
for ( unsigned int c = 0; c < num_colors; c++ ) { |
||||
|
const double norm_value = (double)int_array[x + y*width + c*width*height]/max_int[c]; |
||||
|
switch(c){ |
||||
|
case 0: { |
||||
|
r = (pow(norm_value, power[c]))*3.5; |
||||
|
break; |
||||
|
} |
||||
|
case 1: { |
||||
|
g = (pow(norm_value, power[c]))*3.0; |
||||
|
break; |
||||
|
} |
||||
|
case 2: { |
||||
|
b = (pow(norm_value, power[c]))*3.0; |
||||
|
break; |
||||
|
} |
||||
|
default: |
||||
|
break; |
||||
|
} |
||||
|
} |
||||
|
//pngwriter clips values for me
|
||||
|
pngFile->plot(x, y, r, g, b); |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
|
||||
|
delete[] max_int; |
||||
|
delete[] power; |
||||
|
|
||||
|
LogInfo("Writing %s\n", filename); |
||||
|
|
||||
|
std::ofstream file(filename); |
||||
|
if ( !file ) { |
||||
|
LogError("Couldn't write to file"); |
||||
|
} |
||||
|
pngFile->close(); |
||||
|
|
||||
|
LogMoreInfo("File written"); |
||||
|
|
||||
|
} |
||||
@ -0,0 +1,27 @@ |
|||||
|
#ifndef PNG_HPP |
||||
|
#define PNG_HPP |
||||
|
|
||||
|
#include "../Canvas.hpp" |
||||
|
|
||||
|
class PNG : public Canvas { |
||||
|
unsigned int width; |
||||
|
unsigned int height; |
||||
|
unsigned int num_colors; |
||||
|
|
||||
|
unsigned int * int_array; |
||||
|
|
||||
|
public: |
||||
|
|
||||
|
double v; |
||||
|
|
||||
|
PNG (unsigned int width, unsigned int height, unsigned int num_colors = 1); |
||||
|
|
||||
|
virtual void clear(); |
||||
|
virtual void plot (const double * normalizedPosition); |
||||
|
virtual void output_file (const char * filename) const; |
||||
|
}; |
||||
|
|
||||
|
|
||||
|
|
||||
|
#endif // PNG_HPP
|
||||
|
|
||||
@ -0,0 +1,61 @@ |
|||||
|
#include "../Logger.hpp" |
||||
|
#include <fstream> |
||||
|
#include <cmath> |
||||
|
#include <cstdlib> |
||||
|
#include <cassert> |
||||
|
#include <algorithm> |
||||
|
#include <numeric> |
||||
|
#include <functional> |
||||
|
|
||||
|
#include "Raw.hpp" |
||||
|
|
||||
|
|
||||
|
Raw::Raw (const unsigned int dimension, const unsigned int* sizes_): |
||||
|
Canvas(dimension) { |
||||
|
|
||||
|
sizes = new unsigned int[dimension]; |
||||
|
assert(sizes != NULL); |
||||
|
std::copy(sizes_, sizes_ + dimension, sizes); |
||||
|
|
||||
|
sizesMultiplied = new unsigned int[dimension]; |
||||
|
assert(sizesMultiplied != NULL); |
||||
|
sizesMultiplied[0] = 1; |
||||
|
for ( unsigned int i = 1; i < dimension; ++i ) { |
||||
|
sizesMultiplied[i] = sizesMultiplied[i-1]*sizes[i-1]; |
||||
|
} |
||||
|
|
||||
|
arraySize = 1; |
||||
|
for ( unsigned int i = 0; i < dimension; ++i ) { |
||||
|
arraySize *= sizes[i]; |
||||
|
} |
||||
|
pixelArray = new unsigned int[arraySize]; |
||||
|
assert(pixelArray != NULL); |
||||
|
|
||||
|
clear(); |
||||
|
|
||||
|
LogDebug("New RawCanvas of dimension %d\n", dimension); |
||||
|
} |
||||
|
|
||||
|
void Raw::clear() { |
||||
|
std::fill_n(pixelArray, arraySize, 0); |
||||
|
} |
||||
|
|
||||
|
void Raw::plot(const double * position) { |
||||
|
unsigned int index = 0; |
||||
|
for ( unsigned int i = 0; i < dimension; ++i ) { |
||||
|
index += (unsigned int)(position[i]*sizes[i] + 0.5*sizes[i])*sizesMultiplied[i]; |
||||
|
} |
||||
|
|
||||
|
if(index < arraySize) { |
||||
|
pixelArray[index]++; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
/*
|
||||
|
I/O functions |
||||
|
*/ |
||||
|
|
||||
|
void Raw::output_file(const char * filename) const{ |
||||
|
std::ofstream outfile (filename, std::ofstream::binary); |
||||
|
outfile.write(reinterpret_cast<char*>(pixelArray), sizeof(unsigned int)*arraySize); |
||||
|
} |
||||
@ -0,0 +1,24 @@ |
|||||
|
#ifndef RAW_HPP |
||||
|
#define RAW_HPP |
||||
|
|
||||
|
#include "../Canvas.hpp" |
||||
|
|
||||
|
class Raw : public Canvas { |
||||
|
unsigned int * sizes; |
||||
|
unsigned int * sizesMultiplied; |
||||
|
unsigned int * pixelArray; |
||||
|
unsigned int arraySize; |
||||
|
|
||||
|
public: |
||||
|
|
||||
|
Raw (const unsigned int dimension, const unsigned int* sizes); |
||||
|
|
||||
|
virtual void clear(); |
||||
|
virtual void plot (const double * normalizedPosition); |
||||
|
virtual void output_file (const char * filename) const; |
||||
|
}; |
||||
|
|
||||
|
|
||||
|
|
||||
|
#endif // RAW_HPP
|
||||
|
|
||||
@ -0,0 +1,12 @@ |
|||||
|
|
||||
|
DIRS="./*.cpp ./*.hpp ./kernels/*.cpp ./kernels/*.hpp ./attractors/*.stf" |
||||
|
echo "This program will delete all trailing whitespaces and will replace spaces with tabs" |
||||
|
|
||||
|
for file in ${DIRS} |
||||
|
do |
||||
|
echo "yay ${file}" |
||||
|
unexpand -t 4 ${file} | sed 's/[ \t]*$//' > ${file}.new |
||||
|
cat ${file}.new > ${file} |
||||
|
rm ${file}.new |
||||
|
done |
||||
|
|
||||
@ -1,15 +1,13 @@ |
|||||
|
|
||||
|
#define DEFAULT_ATTRACTOR_FILE "attractors/testUnravel.stf" |
||||
//TODO: do this with files
|
|
||||
#define ATTRACTOR_FILE "attractors/testUnravel.stf" |
|
||||
|
|
||||
#ifdef UNI_BUILD |
#ifdef UNI_BUILD |
||||
#warning Building for the RU, are you sure? |
#warning Building for the RU, are you sure? |
||||
#define WIDTH 8000 |
#define DEFAULT_WIDTH 8000 |
||||
#define HEIGHT 8000 |
#define DEFAULT_HEIGHT 8000 |
||||
#define ITERATIONS 4200000000 |
#define DEFAULT_ITERATIONS 4200000000 |
||||
#else |
#else |
||||
#define WIDTH 800 |
#define DEFAULT_WIDTH 800 |
||||
#define HEIGHT 800 |
#define DEFAULT_HEIGHT 800 |
||||
#define ITERATIONS 1000000 |
#define DEFAULT_ITERATIONS 1000000 |
||||
#endif |
#endif |
||||
|
|||||
@ -1,147 +1,118 @@ |
|||||
|
#include "Logger.hpp" |
||||
#include <iostream> |
#include <iostream> |
||||
#include <ctime> |
#include <ctime> |
||||
|
#include <valarray> |
||||
|
#include <cstring> |
||||
|
|
||||
#include "Attractor.hpp" |
#include "Attractor.hpp" |
||||
#include "Canvas.hpp" |
#include "Canvas.hpp" |
||||
#include "Projector.hpp" |
#include "Projector.hpp" |
||||
|
|
||||
|
#include "canvae/Raw.hpp" |
||||
|
|
||||
|
#include "ostream_helpers.h" |
||||
#include "defines.hpp" |
#include "defines.hpp" |
||||
|
|
||||
int main(int argc, char *argv[]) { |
|
||||
|
|
||||
clock_t start, end; |
int verbose; |
||||
double totalTime, totalIterations; |
|
||||
|
void showHelpText() { |
||||
|
std::cout << "Awesome Attractor, version " << __DATE__ << std::endl; |
||||
|
std::cout << "Usage: AwesomeAttractor [OPTION]... FILE" << std::endl << std::endl; |
||||
|
std::cout << "Optons:" << std::endl; |
||||
|
std::cout << " --help Shows this help" << std::endl; |
||||
|
std::cout << " -q quiet mode" << std::endl; |
||||
|
std::cout << " -v verbose mode" << std::endl; |
||||
|
std::cout << " -V loud mode" << std::endl; |
||||
|
std::cout << " -w N Sets width of output image to N" << std::endl; |
||||
|
std::cout << " -h N Sets height of output image to N" << std::endl; |
||||
|
std::cout << " -i N Sets number of iterations to N" << std::endl; |
||||
|
exit(0); |
||||
|
} |
||||
|
|
||||
|
int main(int argc, char* argv[]) { |
||||
|
verbose = 0; |
||||
|
std::string attractorFile = DEFAULT_ATTRACTOR_FILE; |
||||
|
unsigned int iterations = DEFAULT_ITERATIONS; |
||||
|
unsigned int width = DEFAULT_WIDTH; |
||||
|
unsigned int height = DEFAULT_HEIGHT; |
||||
|
|
||||
|
if(argc <= 1) { |
||||
|
showHelpText(); |
||||
|
} |
||||
|
|
||||
|
for(int i = 1; i < argc; ++i) { |
||||
|
if(strcmp(argv[i], "-v") == 0) { |
||||
|
verbose = 1; |
||||
|
} else if(strcmp(argv[i], "-q") == 0) { |
||||
|
verbose = -1; |
||||
|
} else if(strcmp(argv[i], "--help") == 0) { |
||||
|
showHelpText(); |
||||
|
} else if(strcmp(argv[i], "-V") == 0) { |
||||
|
verbose = 3; |
||||
|
} else if(strcmp(argv[i], "-w") == 0) { |
||||
|
width = atoi(argv[++i]); |
||||
|
} else if(strcmp(argv[i], "-h") == 0) { |
||||
|
height = atoi(argv[++i]); |
||||
|
} else if(strcmp(argv[i], "-i") == 0) { |
||||
|
iterations = atoi(argv[++i]); |
||||
|
} else { |
||||
|
attractorFile = argv[i]; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
LogInfo("Awesome Attractor, version %s\n", __DATE__); |
||||
|
|
||||
// initialising stuff
|
// initialising stuff
|
||||
Attractor myAttractor(ATTRACTOR_FILE); |
Attractor myAttractor(attractorFile); |
||||
|
|
||||
Projector projection; |
/*unsigned int sizes[] = {128, 128, 128};
|
||||
Canvas canvas(WIDTH, HEIGHT, 3); |
Canvas* canvas = new Raw(3, sizes); |
||||
projection.canvas = &canvas; |
projection.canvas = canvas;*/ |
||||
|
|
||||
myAttractor.projectors.push_back(&projection); |
|
||||
myAttractor.init_range(); |
myAttractor.init_range(); |
||||
|
|
||||
projection.output(); |
//projection.output();
|
||||
|
|
||||
|
LogInfo("\nRendering\n"); |
||||
|
|
||||
unsigned int iterations = ITERATIONS; |
clock_t start, end; |
||||
start = clock(); |
start = clock(); |
||||
for ( unsigned int j = 1; j <= 100; j++ ) { |
for(unsigned int j = 1; j <= 100; ++j) { |
||||
for ( unsigned int i = 0; i <= iterations; i++ ) { |
for(unsigned int i = 0; i <= iterations; i++) { |
||||
myAttractor.iterate(); |
myAttractor.iterate(); |
||||
myAttractor.plot(); |
myAttractor.plot(); |
||||
} |
} |
||||
system("clear"); |
if(verbose >= 0) { |
||||
myAttractor.output(); |
std::cout << "\r" << j << "% done" << std::flush; |
||||
std::cout << j << "% done" << std::endl; |
} |
||||
} |
} |
||||
end = clock(); |
end = clock(); |
||||
|
|
||||
totalIterations = 100.0*iterations; |
double totalIterations = 100.0*iterations; |
||||
totalTime = ((double)(end-start)/(double)(CLOCKS_PER_SEC)); |
double totalTime = ((double)(end-start)/(double)(CLOCKS_PER_SEC)); |
||||
printf("\ntotal clock time: %f\n", totalTime ); |
LogInfo("\nTotal clock time: %f\n", totalTime); |
||||
printf("average iterations per second: %f\n\n", totalIterations/((double)(end-start)/(double)(CLOCKS_PER_SEC)) ); |
LogMoreInfo("Average iterations per second: %f\n\n", totalIterations/totalTime); |
||||
|
|
||||
// saving output
|
// saving output
|
||||
|
char filename[50]; |
||||
|
time_t t = time(0); |
||||
|
struct tm* lt = localtime(&t); |
||||
|
int r = rand() % 10; |
||||
|
sprintf(filename, "render/attractor_%04d-%02d-%02d_%02d-%02d-%02d-%01d.raw", lt->tm_year + 1900, lt->tm_mon + 1, lt->tm_mday, lt->tm_hour, lt->tm_min, lt->tm_sec, r); |
||||
|
|
||||
start = clock(); |
start = clock(); |
||||
canvas.output_file(); |
//canvas->output_file(filename);
|
||||
end = clock(); |
end = clock(); |
||||
|
|
||||
totalTime = ((double)(end-start)/(double)(CLOCKS_PER_SEC)); |
totalTime = ((double)(end-start)/(double)(CLOCKS_PER_SEC)); |
||||
|
|
||||
printf("total clock time for writing png: %f\n", totalTime ); |
LogInfo("Total clock time for writing png: %f\n", totalTime); |
||||
printf("\n Awesome Attractor, version %s\n", __DATE__); |
|
||||
|
|
||||
/*if ( argc <= 2 ) {
|
|
||||
cout << endl << "nothing to do..." << endl; |
|
||||
cout << "usage:" << endl; |
|
||||
cout << " rendering to canvas: -a my_attractor.attr 500000000 my_attractor.canv 800 600 3" << endl; |
|
||||
cout << " canvas to png: -c my_attractor.canv 800 600 3 my_atttractor.png" << endl << endl; |
|
||||
exit(0); |
|
||||
} |
|
||||
|
|
||||
int mode; |
|
||||
string argv1 = argv[1]; |
|
||||
if ( argv1 == "-a" ) { |
|
||||
cout << "rendermode" << endl; |
|
||||
mode = 1; |
|
||||
} else if ( argv1 == "-c" ) { |
|
||||
cout << "canvasmode" << endl; |
|
||||
mode = 2; |
|
||||
} else { |
|
||||
cout << "i do.. i do... i do not understand... \"" << argv1 << "\""<< endl; |
|
||||
exit(0); |
|
||||
} |
|
||||
|
|
||||
switch ( mode ) { |
|
||||
case 1: { |
|
||||
if ( argc != 8 ) { |
|
||||
cout << "all parameters must be set..." << endl; |
|
||||
exit(0); |
|
||||
} |
|
||||
|
|
||||
string attractorFile = argv[2]; |
|
||||
unsigned int iterations = atoi(argv[3]); |
|
||||
string canvasFile = argv[4]; |
|
||||
unsigned int width = atoi(argv[5]); |
|
||||
unsigned int height = atoi(argv[6]); |
|
||||
unsigned int numColors = atoi(argv[7]); |
|
||||
|
|
||||
Attractor attract(attractorFile.c_str()); |
|
||||
cout << attractorFile << " is read" << endl; |
|
||||
|
|
||||
Projector projection; |
|
||||
Canvas canvas(width, height, numColors); |
|
||||
projection.canvas = &canvas; |
|
||||
|
|
||||
attract.projectors.push_back(&projection); |
|
||||
attract.init_range(); |
|
||||
|
|
||||
projection.output(); |
|
||||
|
|
||||
for ( unsigned int j = 1; j <= 100; j++ ) { |
|
||||
for ( unsigned int i = 0; 100*i <= iterations; i++ ) { |
|
||||
attract.iterate(); |
|
||||
attract.plot(); |
|
||||
} |
|
||||
cout << j << "% done" << endl; |
|
||||
} |
|
||||
|
|
||||
canvas.output_raw(canvasFile.c_str()); |
|
||||
cout << canvasFile << " is outputted" << endl; |
|
||||
|
|
||||
break; |
|
||||
} |
|
||||
case 2: { |
|
||||
if ( argc != 7 ) { |
|
||||
cout << "all parameters must be set..." << endl; |
|
||||
exit(0); |
|
||||
} |
|
||||
|
|
||||
string canvasFile = argv[2]; |
|
||||
unsigned int width = atoi(argv[3]); |
|
||||
unsigned int height = atoi(argv[4]); |
|
||||
unsigned int numColors = atoi(argv[5]); |
|
||||
string pngFile = argv[6]; |
|
||||
|
|
||||
Canvas canvas(width, height, numColors); |
|
||||
canvas.input_raw(canvasFile.c_str()); |
|
||||
cout << canvasFile << " is read" << endl; |
|
||||
for ( double v = -1.5; v < 1.6; v += 1.5 ) { |
|
||||
canvas.v = v; |
|
||||
canvas.output_file(); |
|
||||
} |
|
||||
cout << pngFile << " was exported" << endl; |
|
||||
break; |
|
||||
} |
|
||||
|
|
||||
default: { |
|
||||
cout << "WTF" << endl; |
|
||||
break; |
|
||||
} |
|
||||
}*/ |
|
||||
|
|
||||
|
|
||||
return 0; |
return 0; |
||||
} |
} |
||||
|
|
||||
|
|
||||
|
|
||||
|
|||||
@ -0,0 +1,24 @@ |
|||||
|
#ifndef OSTREAM_HELPERS_HPP |
||||
|
#define OSTREAM_HELPERS_HPP |
||||
|
|
||||
|
#include <iterator> |
||||
|
#include <algorithm> |
||||
|
|
||||
|
#include "AttractorKernel.hpp" |
||||
|
#include "Attractor.hpp" |
||||
|
|
||||
|
std::ostream& operator<<(std::ostream& os, AttractorKernel const& x) { |
||||
|
const unsigned int dimension = x.getDimension(); |
||||
|
const double * point = x.vector(); |
||||
|
|
||||
|
std::copy(point, point+dimension, std::ostream_iterator<double>(os, ", ")); |
||||
|
return os; |
||||
|
} |
||||
|
|
||||
|
std::ostream& operator<<(std::ostream& os, Attractor const& x) { |
||||
|
os << x.kernel << "\n"; |
||||
|
os << x.projector << "\n"; |
||||
|
return os; |
||||
|
} |
||||
|
|
||||
|
#endif // OSTREAM_HELPERS_HPP
|
||||
@ -0,0 +1,102 @@ |
|||||
|
#include "../Logger.hpp" |
||||
|
#include "Normalizer.hpp" |
||||
|
|
||||
|
#pragma mark - |
||||
|
#pragma mark memory |
||||
|
|
||||
|
Normalizer::Normalizer(unsigned int dimension) : Projector(dimension, dimension), factor(1) { |
||||
|
ready = false; |
||||
|
|
||||
|
try { |
||||
|
allocate(); |
||||
|
} catch (std::exception& e) { |
||||
|
LogError("Couldn't construct Normalizer (Projector): %s\n", e.what()); |
||||
|
deallocate(); |
||||
|
} |
||||
|
|
||||
|
std::fill_n(range_min, outputDimension, 0.0); |
||||
|
std::fill_n(range_max, outputDimension, 0.0); |
||||
|
std::fill_n(offset, outputDimension, 0.0); |
||||
|
} |
||||
|
|
||||
|
Normalizer::~Normalizer() { |
||||
|
deallocate(); |
||||
|
} |
||||
|
|
||||
|
void Normalizer::allocate(){ |
||||
|
range_min = new double[outputDimension]; |
||||
|
range_max = new double[outputDimension]; |
||||
|
offset = new double[outputDimension]; |
||||
|
} |
||||
|
|
||||
|
void Normalizer::deallocate(){ |
||||
|
delete[] range_min; |
||||
|
range_min = 0; |
||||
|
delete[] range_max; |
||||
|
range_max = 0; |
||||
|
delete[] offset; |
||||
|
offset = 0; |
||||
|
} |
||||
|
|
||||
|
#pragma mark - |
||||
|
#pragma mark plot |
||||
|
|
||||
|
void Normalizer::project(const double * point) { |
||||
|
for ( unsigned int i = 0; i < inputDimension; ++i ) { |
||||
|
projectedPoint[0] = point[0]*factor + offset[0]; |
||||
|
} |
||||
|
|
||||
|
if(!ready){ |
||||
|
static unsigned int state = 0; |
||||
|
|
||||
|
switch(state) { |
||||
|
case 0: |
||||
|
init_range(); |
||||
|
break; |
||||
|
case 500000: |
||||
|
finish_range(); |
||||
|
ready = true; |
||||
|
break; |
||||
|
default: |
||||
|
update_range(); |
||||
|
break; |
||||
|
} |
||||
|
|
||||
|
++state; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
#pragma mark - |
||||
|
#pragma mark setting up |
||||
|
|
||||
|
void Normalizer::init_range() { |
||||
|
for ( unsigned int i = 0; i < outputDimension; i++ ) { |
||||
|
range_min[i] = range_max[i] = projectedPoint[i]; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
void Normalizer::update_range() { |
||||
|
for ( unsigned int i = 0; i < outputDimension; i++ ) { |
||||
|
if ( projectedPoint[i] < range_min[i] ) { |
||||
|
range_min[i] = projectedPoint[i]; |
||||
|
} else if ( projectedPoint[i] > range_max[i] ) { |
||||
|
range_max[i] = projectedPoint[i]; |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
void Normalizer::finish_range() { |
||||
|
factor = 2.0 / (range_max[0] - range_min[0]); |
||||
|
for ( unsigned int i = 1; i < outputDimension; i++ ) { |
||||
|
double dist = range_max[i] - range_min[i]; |
||||
|
if ( factor * dist > 2.0 ) { |
||||
|
factor = 2.0 / dist; |
||||
|
//teh_size = canvas->size[i];
|
||||
|
LogDebug("Crap for dimension %d\n", i); |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
for ( unsigned int i = 0; i < outputDimension; i++ ) { |
||||
|
offset[i] = -0.5*factor*(range_min[i] + range_max[i]); |
||||
|
} |
||||
|
} |
||||
@ -0,0 +1,29 @@ |
|||||
|
#ifndef NORMALIZER_HPP |
||||
|
#define NORMALIZER_HPP |
||||
|
|
||||
|
#include "../Projector.hpp" |
||||
|
|
||||
|
|
||||
|
class Normalizer : public Projector { |
||||
|
private: |
||||
|
double* range_min; |
||||
|
double* range_max; |
||||
|
double* offset; |
||||
|
double factor; |
||||
|
|
||||
|
void allocate(); |
||||
|
void deallocate(); |
||||
|
|
||||
|
void init_range(); |
||||
|
void update_range(); |
||||
|
void finish_range(); |
||||
|
|
||||
|
protected: |
||||
|
virtual void project(const double* point); |
||||
|
|
||||
|
public: |
||||
|
Normalizer(unsigned int dimension); |
||||
|
virtual ~Normalizer(); |
||||
|
}; |
||||
|
|
||||
|
#endif // NORMALIZER_HPP
|
||||
@ -0,0 +1,10 @@ |
|||||
|
#include "Projection.hpp" |
||||
|
|
||||
|
Projection::Projection(unsigned int inputDimension, unsigned int outputDimension) : Projector(inputDimension, outputDimension){ |
||||
|
} |
||||
|
|
||||
|
void Projection::project(const double* point){ |
||||
|
for ( unsigned int i = 0; i < inputDimension; ++i){ |
||||
|
projectedPoint[i] = point[i]; |
||||
|
} |
||||
|
} |
||||
@ -0,0 +1,16 @@ |
|||||
|
#ifndef PROJECTION_HPP |
||||
|
#define PROJECTION_HPP |
||||
|
|
||||
|
#include "../Projector.hpp" |
||||
|
|
||||
|
|
||||
|
class Projection : public Projector { |
||||
|
protected: |
||||
|
virtual void project(const double* point); |
||||
|
|
||||
|
public: |
||||
|
Projection(unsigned int inputDimension, unsigned int outputDimension); |
||||
|
|
||||
|
}; |
||||
|
|
||||
|
#endif // PROJECTION_HPP
|
||||
Reference in new issue