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/*=========================================================================
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.kitware.com/VolViewCopyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/* This module encapsulates the full preprocessing required for
applying the Watershed image filter for segmenting the
volume. The output is the color encoding of all the water basins */
#include "vvITKWatershedRGBModule.txx"
template <class InputPixelType>
class WatershedRGBModuleRunner
{
public:
typedef VolView::PlugIn::WatershedRGBModule< InputPixelType > ModuleType;
public:
WatershedRGBModuleRunner() {}
void Execute( vtkVVPluginInfo *info, vtkVVProcessDataStruct *pds )
{
const float waterLevel = atof( info->GetGUIProperty(info, 0, VVP_GUI_VALUE ));
ModuleType module;
module.SetPluginInfo( info );
module.SetUpdateMessage("Computing Watershed Module...");
module.SetWaterLevel( waterLevel );
// Execute the filter
module.ProcessData( pds );
}
};
static int ProcessData(void *inf, vtkVVProcessDataStruct *pds)
{
vtkVVPluginInfo *info = (vtkVVPluginInfo *)inf;
if( info->InputVolumeNumberOfComponents != 1 )
{
info->SetProperty( info, VVP_ERROR, "This filter requires a single-component data set as input" );
return -1;
}
try
{
switch( info->InputVolumeScalarType )
{
case VTK_CHAR:
{
WatershedRGBModuleRunner<signed char> runner;
runner.Execute( info, pds );
break;
}
case VTK_UNSIGNED_CHAR:
{
WatershedRGBModuleRunner<unsigned char> runner;
runner.Execute( info, pds );
break;
}
case VTK_SHORT:
{
WatershedRGBModuleRunner<signed short> runner;
runner.Execute( info, pds );
break;
}
case VTK_UNSIGNED_SHORT:
{
WatershedRGBModuleRunner<unsigned short> runner;
runner.Execute( info, pds );
break;
}
case VTK_INT:
{
WatershedRGBModuleRunner<signed int> runner;
runner.Execute( info, pds );
break;
}
case VTK_UNSIGNED_INT:
{
WatershedRGBModuleRunner<unsigned int> runner;
runner.Execute( info, pds );
break;
}
case VTK_LONG:
{
WatershedRGBModuleRunner<signed long> runner;
runner.Execute( info, pds );
break;
}
case VTK_UNSIGNED_LONG:
{
WatershedRGBModuleRunner<unsigned long> runner;
runner.Execute( info, pds );
break;
}
case VTK_FLOAT:
{
WatershedRGBModuleRunner<float> runner;
runner.Execute( info, pds );
break;
}
case VTK_DOUBLE:
{
WatershedRGBModuleRunner<double> runner;
runner.Execute( info, pds );
break;
}
}
}
catch( itk::ExceptionObject & except )
{
info->SetProperty( info, VVP_ERROR, except.what() );
return -1;
}
return 0;
}
static int UpdateGUI(void *inf)
{
vtkVVPluginInfo *info = (vtkVVPluginInfo *)inf;
info->SetGUIProperty(info, 0, VVP_GUI_LABEL, "Water Level.");
info->SetGUIProperty(info, 0, VVP_GUI_TYPE, VVP_GUI_SCALE);
info->SetGUIProperty(info, 0, VVP_GUI_DEFAULT, "0.1");
info->SetGUIProperty(info, 0, VVP_GUI_HELP, "The level of water at which the basins will be identified. It is expressed as a fraction of the maximum possible level.");
info->SetGUIProperty(info, 0, VVP_GUI_HINTS , "0.01 0.5 0.01");
info->SetProperty(info, VVP_REQUIRED_Z_OVERLAP, "0");
info->OutputVolumeScalarType = VTK_UNSIGNED_CHAR;
info->OutputVolumeNumberOfComponents = 3; // output is RGB color encoded basins.
memcpy(info->OutputVolumeDimensions,info->InputVolumeDimensions,
3*sizeof(int));
memcpy(info->OutputVolumeSpacing,info->InputVolumeSpacing,
3*sizeof(float));
memcpy(info->OutputVolumeOrigin,info->InputVolumeOrigin,
3*sizeof(float));
return 1;
}
extern "C" {
void VV_PLUGIN_EXPORT vvITKWatershedRGBModuleInit(vtkVVPluginInfo *info)
{
vvPluginVersionCheck();
// setup information that never changes
info->ProcessData = ProcessData;
info->UpdateGUI = UpdateGUI;
info->SetProperty(info, VVP_NAME, "Watershed RGB Module (ITK)");
info->SetProperty(info, VVP_GROUP, "Segmentation - Level Sets");
info->SetProperty(info, VVP_TERSE_DOCUMENTATION,
"Watershed RGB Module");
info->SetProperty(info, VVP_FULL_DOCUMENTATION,
"This module applies a Watershed method for segmenting a volume. This filter produces as output a color encoded map of the water basins found at the water level specified by the user. All the necessary preprocessing is packaged in this module. This makes it a good choice when you are already familiar with the parameters settings requires for you particular data set. When you are applying Watershed to a new data set, you may want to rather go step by step using each one the individual filters.");
info->SetProperty(info, VVP_SUPPORTS_IN_PLACE_PROCESSING, "0");
info->SetProperty(info, VVP_SUPPORTS_PROCESSING_PIECES, "0");
info->SetProperty(info, VVP_NUMBER_OF_GUI_ITEMS, "1");
info->SetProperty(info, VVP_REQUIRED_Z_OVERLAP, "0");
info->SetProperty(info, VVP_PER_VOXEL_MEMORY_REQUIRED, "10");
info->SetProperty(info, VVP_REQUIRES_SERIES_INPUT, "0");
info->SetProperty(info, VVP_SUPPORTS_PROCESSING_SERIES_BY_VOLUMES, "0");
info->SetProperty(info, VVP_PRODUCES_OUTPUT_SERIES, "0");
info->SetProperty(info, VVP_PRODUCES_PLOTTING_OUTPUT, "0");
}
}
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