72 lines
1.3 KiB
C++
72 lines
1.3 KiB
C++
#ifndef PROJECTOR_HPP
|
|
#define PROJECTOR_HPP
|
|
|
|
#include "Logger.hpp"
|
|
#include <algorithm>
|
|
|
|
#include "stfu/stf.hpp"
|
|
#include "Canvas.hpp"
|
|
|
|
class Projector {
|
|
public:
|
|
// SHOULD NOT BE HERE
|
|
Canvas* canvas;
|
|
|
|
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) {
|
|
LogError("Couldn't construct Projector: %s\n", e.what());
|
|
deallocate();
|
|
}
|
|
std::fill_n(projectedPoint, outputDimension, 0.0);
|
|
}
|
|
|
|
virtual ~Projector() {
|
|
deallocate();
|
|
}
|
|
|
|
void plot(const double* point) {
|
|
project(point);
|
|
|
|
if(ready) {
|
|
if(canvas != NULL) {
|
|
canvas->plot(projectedPoint);
|
|
}
|
|
|
|
if(projector != NULL) {
|
|
projector->plot(projectedPoint);
|
|
}
|
|
}
|
|
}
|
|
|
|
static Projector* createProjector(stfu::node& projector, unsigned int input_dimension);
|
|
|
|
protected:
|
|
Projector* projector;
|
|
|
|
double* projectedPoint;
|
|
|
|
unsigned int inputDimension;
|
|
unsigned int outputDimension;
|
|
|
|
bool ready;
|
|
|
|
virtual void project(const double* point) = 0;
|
|
|
|
private:
|
|
void allocate() {
|
|
projectedPoint = new double[outputDimension];
|
|
}
|
|
|
|
void deallocate() {
|
|
delete[] projectedPoint;
|
|
projectedPoint = NULL;
|
|
}
|
|
};
|
|
|
|
#endif // PROJECTOR_HPP
|
|
|