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baslerSaveData.cpp
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baslerSaveData.cpp
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// baslerSaveData.cpp - Capture and save a number of frames from a Basler camera
// see baslerSaveData.m for help
#include <pylon/PylonIncludes.h>
#include "basler_helper/basler_set_get.h"
#include "basler_helper/capture_images.h"
#include <boost/filesystem.hpp>
#include <boost/format.hpp>
#include <matrix.h>
#include <mex.h>
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
const std::string s_filename = "frame_%04d.tif";
// Parse parameters
if(nrhs < 1)
{
mexErrMsgIdAndTxt( "baslerDriver:Error:ArgumentError",
"Not enough arguments. Use help baslerGetParameter for further information.");
}
else if(nrhs > 5)
{
mexErrMsgIdAndTxt( "baslerDriver:Error:ArgumentError",
"Too many arguments. Use help baslerGetParameter for further information.");
}
// Get camera number
const int i_cam_number = (int)mxGetScalar(prhs[0]);
// Get verbose parameter
bool b_verbose = 0;
if(nrhs == 5)
{
b_verbose = (int)mxGetScalar(prhs[3]) != 0;
}
// Get save path
std::string s_save_path = mxArrayToString(prhs[1]);
boost::filesystem::path bfp_save_path;
if(b_verbose)
{
mexPrintf("Saving to \"%s\"\n",mxArrayToString(prhs[1]));
}
try
{
bfp_save_path = s_save_path;
boost::filesystem::create_directory(bfp_save_path);
bfp_save_path /= s_filename;
}
catch(boost::filesystem::filesystem_error &e)
{
mexErrMsgIdAndTxt("baslerDriver:Error:FileError", e.what() );
}
// Get number of frames
int i_num_of_frames = 1;
if(nrhs >= 3)
{
if(mxGetNumberOfElements(prhs[2]) >= 1)
{
i_num_of_frames = (int)mxGetScalar(prhs[2]);
}
}
if(b_verbose)
{
mexPrintf("Capturing %d frame(s) \n",i_num_of_frames);
}
// Get output type
Pylon::EPixelType ept_output_type = Pylon::PixelType_Undefined;
if(nrhs >= 4)
{
if(!(mxGetM(prhs[3]) == 0 && mxGetN(prhs[3]) == 0))
{
ept_output_type = Pylon::CPixelTypeMapper().GetPylonPixelTypeByName(mxArrayToString(prhs[3]));
if(b_verbose)
{
mexPrintf("Using output data type \"%s\"\n",mxArrayToString(prhs[3]));
}
}
}
// Initiatlize Pylon
Pylon::PylonAutoInitTerm auto_init_term;
try
{
// Get the transport layer factory.
Pylon::CTlFactory& tlFactory = Pylon::CTlFactory::GetInstance();
// Get all attached devices
Pylon::DeviceInfoList_t devices;
int i_num_of_cameras = tlFactory.EnumerateDevices(devices);
if ( i_num_of_cameras == 0 )
{
throw RUNTIME_EXCEPTION( "No camera found.");
}
// Check if camera exists
if (i_cam_number > i_num_of_cameras-1 )
{
throw RUNTIME_EXCEPTION("No camera with this index exists.");
}
// Create camera object
Pylon::CInstantCamera camera(tlFactory.CreateDevice(devices[i_cam_number]));
// Open Camera
camera.Open();
if(b_verbose)
{
mexPrintf("Using camera \"%s\"\n", camera.GetDeviceInfo().GetModelName().c_str());
}
// Find pixel type if needed
if(ept_output_type == Pylon::PixelType_Undefined)
{
std::string s_pixel_type = BaslerHelper::get_string(&camera,"PixelFormat",b_verbose);
ept_output_type = Pylon::CPixelTypeMapper().GetPylonPixelTypeByName(s_pixel_type.c_str());
}
// Capture and save images
BaslerHelper::save_images(&camera, bfp_save_path, i_num_of_frames, ept_output_type, b_verbose);
// Close camera
camera.Close();
}
catch (GenICam::GenericException &e)
{
// Error handling.
mexErrMsgIdAndTxt("baslerDriver:Error:CameraError",e.GetDescription());
}
return;
}