fileout.cu
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#include "fileout.h"
//#include "scalarfield.h"
/*void fileoutStruct::saveMag(fieldslice* U, std::string filename, rts::colormap::colormapType cmap)
{
int Rx = U->R[0];
int Ry = U->R[1];
//allocate space for a scalar field on the GPU
ptype* gpuScalar;
int memsize = sizeof(ptype) * Rx * Ry;
HANDLE_ERROR(cudaMalloc((void**) &gpuScalar, memsize));
HANDLE_ERROR(cudaMemset(gpuScalar, 0, memsize));
U->Mag(gpuScalar);
rts::colormap::gpu2image<ptype>(gpuScalar, filename, Rx, Ry, 0, colorMax, cmap);
HANDLE_ERROR(cudaFree(gpuScalar));
}
void fileoutStruct::saveReal_scalar(fieldslice* U, std::string filename, rts::colormap::colormapType cmap)
{
//returns the real component
scalarslice sf = U->Real();
sf.toImage(filename, false, cmap);
}
void fileoutStruct::saveImag_scalar(fieldslice* U, std::string filename, rts::colormap::colormapType cmap)
{
//returns the imaginary component of a field (assumed scalar)
scalarslice sf = U->Imag();
sf.toImage(filename, false, cmap);
}
void fileoutStruct::saveIntensity(fieldslice* U, std::string filename, rts::colormap::colormapType cmap)
{
//get the intensity of the field
scalarslice sf = U->Intensity();
sf.toImage(filename, true, cmap);
}
void fileoutStruct::saveAngularSpectrum(fieldslice* U, std::string filename, rts::colormap::colormapType cmap)
{
ptype* gpuScalar;
int memsize = sizeof(ptype) * U->R[0] * U->R[1];
HANDLE_ERROR(cudaMalloc((void**) &gpuScalar, memsize));
HANDLE_ERROR(cudaMemset(gpuScalar, 0, memsize));
//convert the field slice to its angular spectrum
U->toAngularSpectrum();
//convert the angular spectrum to a scalar field
U->Mag(gpuScalar);
//save the color image
rts::colormap::gpu2image<ptype>(gpuScalar, filename, U->R[0], U->R[1], 0, colorMax, cmap);
HANDLE_ERROR(cudaFree(gpuScalar));
}*/
void fileoutStruct::saveNearField(nearfieldStruct* nf)
{
if(nearFile == "") return;
if(field == fieldReal)
{
scalarslice S = nf->U.Real();
S.toImage(nearFile, false, colormap);
}
if(field == fieldImag)
{
scalarslice S = nf->U.Imag();
S.toImage(nearFile, false, colormap);
}
if(field == fieldMag)
{
scalarslice S = nf->U.Mag();
S.toImage(nearFile, true, colormap);
}
}
void fileoutStruct::saveFarField(microscopeStruct* scope)
{
if(farFile == "") return;
if(field == fieldReal)
{
scalarslice S = scope->Ud.Real();
S.toImage(farFile, false, colormap);
}
if(field == fieldImag)
{
scalarslice S = scope->Ud.Imag();
S.toImage(farFile, false, colormap);
}
if(field == fieldMag)
{
scalarslice S = scope->Ud.Mag();
S.toImage(farFile, true, colormap);
}
}
void fileoutStruct::saveDetector(microscopeStruct* scope)
{
//intensity
if(intFile != "")
{
scalarslice I = scope->getIntensity();
if(is_binary(intFile))
I.toEnvi(intFile, scope->nf.lambda, append);
else
I.toImage(intFile);
}
//absorbance
if(absFile != "")
{
scalarslice I = scope->getAbsorbance();
if(is_binary(absFile))
I.toEnvi(absFile, scope->nf.lambda, append);
else
I.toImage(absFile);
}
//transmittance
if(transFile != "")
{
scalarslice I = scope->getTransmittance();
if(is_binary(transFile))
I.toEnvi(transFile, scope->nf.lambda, append);
else
I.toImage(transFile);
}
}
bool fileoutStruct::is_binary(std::string filename)
{
//this function guesses if a file name is binary or a standard image
// do this by just testing extensions
//get the extension
size_t i = filename.find_last_of('.');
//if there is no extension, return true
if( i == std::string::npos )
return true;
//otherwise grab the extension
std::string ext = filename.substr(i+1);
if(ext == "bmp" ||
ext == "jpg" ||
ext == "tif" ||
ext == "gif" ||
ext == "png")
return false;
else
return true;
}
void fileoutStruct::Save(microscopeStruct* scope)
{
//save images of the fields in the microscope
//if the user specifies an extended source
if(scope->focalPoints.size() > 1)
{
//simulate the extended source and output the detector image
scope->SimulateExtendedSource();
}
else
{
//run the near-field simulation
scope->SimulateScattering();
//output the near field image
saveNearField(&scope->nf);
//run the far-field simulation
scope->SimulateImaging();
saveFarField(scope);
}
//save the detector images
saveDetector(scope);
}