joshua
/
awesome-attractor
Archived
1
0
Fork 0
Code Releases Activity
Browse Source

no png for mac atm, tabs <> spaces, other defines for testing

master
Joshua Moerman 14 years ago
parent
b48f2e9dd1
commit
dcd8229010
3 changed files with 111 additions and 111 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 214
      Canvas.cpp
  2. 2
      Projector.cpp
  3. 6
      defines.hpp

214
Canvas.cpp
View File

@ -1,12 +1,12 @@
#include <iostream>
#include <iostream>
#include <fstream>
#include <cmath>
#include <cstdlib>
#include <cassert>
#include <cstdint>
using namespace std;
#include "pngwriter/pngwriter.h"
#include <cmath>
#include <cstdlib>
#include <cassert>
//#include <cstdint>
using namespace std;
//#include "pngwriter/pngwriter.h"
#include "Canvas.hpp"
@ -14,9 +14,9 @@ using namespace std;
Canvas::Canvas(unsigned int width, unsigned int height, unsigned int num_colors):
dim(2), width(width), height(height), num_colors(num_colors), v(0) {
int_array = new unsigned int[width*height*num_colors];
size = new unsigned int[2];
size[0] = width;
int_array = new unsigned int[width*height*num_colors];
size = new unsigned int[2];
size[0] = width;
size[1] = height;
assert(int_array != NULL);
@ -131,117 +131,117 @@ void Canvas::output_file(const char * filename){
power[i] = 1;
} else {
power[i] = 1;
}
if ( n <= 10 ) {
cout << "not enough data" << endl;
}
}
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;
if ( n <= 10 ) {
cout << "not enough data" << endl;
}
}
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;
//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;
}
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);
}
}
default:
break;
}
}
//pngwriter clips values for me
//pngFile->plot(x, y, r, g, b);
}
}
delete max_int;
delete power;
cout << "ready for writing file i suppose" << endl;
ofstream file(filename);
if ( !file ) {
cout << "jij hebt pech, geen png voor jou" << endl;
}
cout << filename << endl;
pngFile->close();
delete power;
cout << "ready for writing file i suppose" << endl;
ofstream file(filename);
if ( !file ) {
cout << "jij hebt pech, geen png voor jou" << endl;
}
cout << filename << endl;
//pngFile->close();
}
void Canvas::output_file(){
char filename[50];
time_t t = time(0);
struct tm* lt = localtime(&t);
struct tm* lt = localtime(&t);
int r = rand() % 10;
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);
output_file(filename);
}
void Canvas::output_raw(const char * filename){
ofstream outfile (filename, ofstream::binary);
outfile.write(reinterpret_cast<char*>(int_array), sizeof(unsigned int)*width*height*num_colors);
}
void Canvas::output_raw(){
char filename[52];
time_t t = time(0);
struct tm* lt = localtime(&t);
int r = rand() % 10;
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);
output_raw(filename);
}
void Canvas::input_raw(const char * filename){
ifstream infile(filename, ifstream::binary);
if ( ! infile ) {
cout << "poep" << endl;
return;
}
infile.seekg (0, ios::end);
int length = infile.tellg();
infile.seekg (0, ios::beg);
cout << "length: " << length << " =? " << static_cast<int>(width*height*num_colors*sizeof(unsigned int)) << endl;
infile.read (reinterpret_cast<char*>(int_array), sizeof (unsigned int)*width*height*num_colors);
}
void Canvas::output_raw(const char * filename){
ofstream outfile (filename, ofstream::binary);
outfile.write(reinterpret_cast<char*>(int_array), sizeof(unsigned int)*width*height*num_colors);
}
void Canvas::output_raw(){
char filename[52];
time_t t = time(0);
struct tm* lt = localtime(&t);
int r = rand() % 10;
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);
output_raw(filename);
}
void Canvas::input_raw(const char * filename){
ifstream infile(filename, ifstream::binary);
if ( ! infile ) {
cout << "poep" << endl;
return;
}
infile.seekg (0, ios::end);
int length = infile.tellg();
infile.seekg (0, ios::beg);
cout << "length: " << length << " =? " << static_cast<int>(width*height*num_colors*sizeof(unsigned int)) << endl;
infile.read (reinterpret_cast<char*>(int_array), sizeof (unsigned int)*width*height*num_colors);
}

2
Projector.cpp
View File

@ -93,7 +93,7 @@ void Projector::plot(const double * point) {
//cout << x << ", " << y << endl;
canvas->plot(x+0.01*rand()/(double)RAND_MAX-0.005, y+0.01*rand()/(double)RAND_MAX-0.005);
canvas->plot(x, y);
if ( even(point[2]*17) )
canvas->plot(x, y, 1);
if ( even(point[2]*17+0.6) )

6
defines.hpp
View File

@ -1,15 +1,15 @@
//TODO: do this with files
#define ATTRACTOR_FILE "attractors/testPolynomial.stf"
#define ATTRACTOR_FILE "attractors/testLorenz.stf"
#ifdef UNI_BUILD
#warning Building for the RU, are you sure?
#define WIDTH 8000
#define HEIGHT 8000
#define ITERATIONS 800000000
#define ITERATIONS 4200000000
#else
#define WIDTH 800
#define HEIGHT 800
#define ITERATIONS 200000
#define ITERATIONS 20000000
#endif