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

alomst done with the big thing

master
Joshua Moerman 14 years ago
parent
8914552abf
commit
c469d61717
5 changed files with 162 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. 1
      AttractorKernel.cpp
  2. 106
      Projector.cpp
  3. 37
      Projector.hpp
  4. 96
      projectors/Normalizer.cpp
  5. 29
      projectors/Normalizer.hpp

1
AttractorKernel.cpp
View File

@ -84,7 +84,6 @@ unsigned int AttractorKernel::getDimension() const{
#pragma mark -
#pragma mark factory function
#include "AttractorKernel.hpp"
#include "kernels/Logistic.hpp"
#include "kernels/Lorenz3D.hpp"
#include "kernels/Polynomial.hpp"

106
Projector.cpp
View File

@ -4,22 +4,11 @@
#include "Projector.hpp"
#include "Canvas.hpp"
#include "myMath.hpp"
Projector* Projector::createProjector(stfu::node const& projector, stfu::node const& system){
}
#pragma mark -
#pragma mark memory
void Projector::allocate(){
projectedPoint = new double[outputDimension];
}
void Projector::deallocate(){
delete[] projectedPoint;
projectedPoint = NULL;
}
Projector::Projector(unsigned int inputDimension, unsigned int outputDimension) : inputDimension(inputDimension), outputDimension(outputDimension) {
Projector::Projector(unsigned int inputDimension, unsigned int outputDimension) : canvas(0), projector(0), projectedPoint(0), inputDimension(inputDimension), outputDimension(outputDimension), ready(true) {
try {
allocate();
} catch(std::exception& e) {
@ -28,89 +17,42 @@ Projector::Projector(unsigned int inputDimension, unsigned int outputDimension)
}
}
void Projector::init(const double * point) {
init_vector();
project(point);
init_range();
Projector::~Projector(){
deallocate()();
}
void Projector::init_vector() {
project_point = new double[intern_dim];
offset = new double[intern_dim];
assert(project_point != NULL);
assert(offset != NULL);
void Projector::allocate() {
projectedPoint = new double[outputDimension];
}
void Projector::init_range() {
range_min = new double[intern_dim];
range_max = new double[intern_dim];
assert(range_min != NULL);
assert(range_max != NULL);
for ( unsigned int i = 0; i < intern_dim; i++ ) {
range_min[i] = range_max[i] = project_point[i];
}
void Projector::deallocate() {
delete[] projectedPoint;
projectedPoint = NULL;
}
void Projector::update_range(const double * point) {
#pragma mark -
#pragma mark plot
void Projector::plot(const double* point) {
project(point);
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() {
factor = 2.0 / (range_max[0] - range_min[0]);
for ( unsigned int i = 1; i < intern_dim; 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);
}
if(ready) {
if(canvas != NULL) {
canvas->plot(projectedPoint);
}
for ( unsigned int i = 0; i < intern_dim; i++ ) {
offset[i] = -0.5*factor*(range_min[i] + range_max[i]);
if(projector != NULL) {
projector->plot(projectedPoint);
}
}
void Projector::project(const double * point) {
//assert(extern_dim >= 2);
project_point[0] = point[0];
project_point[1] = point[1];
project_point[2] = point[2];
}
#pragma mark -
#pragma mark factory function
void Projector::plot(const double * point) {
project(point);
const double x = project_point[0]*factor + offset[0];
const double y = project_point[1]*factor + offset[1];
const double z = project_point[2]*factor + offset[2];
double position[] = {x,y,z};
if (-1.0 < x && x < 1.0 && -1.0 < y && y < 1.0 && -1.0 < z && z < 1.0){
canvas->plot(position);
}
}
#include "projectors/Normalizer.hpp"
void Projector::output(){
LogMoreInfo("Projector properties: \n");
LogMoreInfo(" factor: %f\n", factor);
for ( unsigned int i = 0; i < intern_dim; i++ ) {
LogMoreInfo(" dimension %d: offset: %f, range: [%f, %f]\n", i, offset[i], range_min[i], range_max[i]);
}
Projector* Projector::createProjector(stfu::node const& projector, stfu::node const& system) {
return new Normalizer(3);
}

37
Projector.hpp
View File

@ -7,46 +7,31 @@ class Canvas;
class Projector {
private:
void allocate();
void deallocate();
protected:
Canvas* canvas;
Projector* projector;
allocate();
deallocate();
double* projectedPoint;
protected:
unsigned int inputDimension;
unsigned int outputDimension;
double* projectedPoint;
double* range_min;
double* range_max;
double factor;
double* offset;
bool ready;
void project(const double* point);
virtual void project(const double* point) = 0;
public:
Projector(unsigned int inputDimension, unsigned int outputDimension);
Projector(unsigned int inputDimension, unsigned int outputDimension, unsigned int state);
virtual ~Projector();
static Projector* createProjector(stfu::node const& projector, stfu::node const& system);
void init(const double* point);
void init_vector();
void init_range();
void update_range(const double* point);
void finish_range();
// delegates forward trough the chain, know wha i'm sayin'?
void plot(const double* point);
void output();
// factory function
static Projector* createProjector(stfu::node const& projector, stfu::node const& system);
};
#endif // PROJECTOR_HPP

96
projectors/Normalizer.cpp
View File

@ -0,0 +1,96 @@
#include "Normalizer.hpp"
#pragma mark -
#pragma mark memory
Normalizer::Normalizer(unsigned int dimension) : Projector(dimension, dimension) {
ready = false;
try {
allocate();
} catch (std::exception& e) {
LogError("Couldn't construct Normalizer (Projector): %s\n", e.what());
deallocate();
}
}
Normalizer::~Normalizer() {
//dtor
}
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) {
projectedPoint[0] = point[0]*factor + offset[0];
projectedPoint[1] = point[1]*factor + offset[1];
projectedPoint[2] = point[2]*factor + offset[2];
if(!ready){
static unsigned int state = 0;
switch(state) {
case 0:
init_range();
state = kUpdate;
break;
case 20000:
finish_range();
ready = true;
break;
default:
update_range();
break;
}
}
}
#pragma mark -
#pragma mark setting up
void Projector::init_range() {
for ( unsigned int i = 0; i < intern_dim; i++ ) {
range_min[i] = range_max[i] = project_point[i];
}
}
void Projector::update_range() {
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() {
factor = 2.0 / (range_max[0] - range_min[0]);
for ( unsigned int i = 1; i < intern_dim; 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 < intern_dim; i++ ) {
offset[i] = -0.5*factor*(range_min[i] + range_max[i]);
}
}

29
projectors/Normalizer.hpp
View File

@ -0,0 +1,29 @@
#ifndef NORMALIZER_HPP
#define NORMALIZER_HPP
#include "../Projector.h"
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