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fileout.cu 4.59 KB
3f56f1f9   dmayerich   initial commit
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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))
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              I.toEnvi(intFile, scope->nf.lambda, append);
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  		else
  			I.toImage(intFile);
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      }
      //absorbance
      if(absFile != "")
      {
          scalarslice I = scope->getAbsorbance();
  
          if(is_binary(absFile))
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              I.toEnvi(absFile, scope->nf.lambda, append);
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          else
              I.toImage(absFile);
      }
      //transmittance
      if(transFile != "")
      {
          scalarslice I = scope->getTransmittance();
  
          if(is_binary(transFile))
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              I.toEnvi(transFile, scope->nf.lambda, append);
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          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);
  
  

  }