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/*****************************************************************************
* $CAMITK_LICENCE_BEGIN$
*
* CamiTK - Computer Assisted Medical Intervention ToolKit
* (c) 2001-2024 Univ. Grenoble Alpes, CNRS, Grenoble INP - UGA, TIMC, 38000 Grenoble, France
*
* Visit http://camitk.imag.fr for more information
*
* This file is part of CamiTK.
*
* CamiTK is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* CamiTK is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with CamiTK. If not, see <http://www.gnu.org/licenses/>.
*
* $CAMITK_LICENCE_END$
****************************************************************************/
#include "ShowPointData.h"
#include <Application.h>
#include <Property.h>
#include <vtkPointData.h>
#include <vtkDoubleArray.h>
using namespace camitk;
// --------------- Constructor -------------------
ShowPointData::ShowPointData(ActionExtension* extension) : Action(extension) {
// Setting name, description and input component
setName("Show Point Data");
setDescription("This action demonstrates how to show the point data on a color scale");
setComponentClassName("MeshComponent");
// Setting classification family and tags
setFamily("Tutorial");
addTag("VTK Point Data");
addTag("Color Scale");
addTag("Color Bar");
// Setting the action's parameters
Property* generationMethodProp = new Property("Generation Method", ShowPointData::RANDOM_PERCENT, "How/What Point Data to Show. In this example, there are two ways to add synthetic point data: <ol><li>The generated point data have random values between 0 and 100</li><li>The generated point data have the values of their point index</li></ol>To show the point data, select the \"Data\" tab in the property editor and select the data you would like to display. Random generation point data are recreated each time.", "");
generationMethodProp->setEnumTypeName("GenerationMethod");
QStringList methodGUIName;
methodGUIName << "Randomly Generated in [0..100]" << "Use Point Index";
generationMethodProp->setAttribute("enumNames", methodGUIName);
addParameter(generationMethodProp);
}
// --------------- destructor -------------------
ShowPointData::~ShowPointData() {
// Do not do anything yet.
// Delete stuff if you create stuff
// (except if you use smart pointers of course !!)
}
// --------------- apply -------------------
Action::ApplyStatus ShowPointData::apply() {
foreach (Component* comp, getTargets()) {
MeshComponent* input = dynamic_cast<MeshComponent*>(comp);
process(input);
}
Application::refresh();
return SUCCESS;
}
// --------------- process -------------------
void ShowPointData::process(MeshComponent* comp) {
// Get the parameter
GenerationMethod displayMethod = (GenerationMethod) property("Generation Method").toInt();
vtkSmartPointer<vtkDoubleArray> demoPointData = vtkSmartPointer<vtkDoubleArray>::New();
int numberOfPoints = comp->getPointSet()->GetNumberOfPoints();
demoPointData->SetNumberOfValues(numberOfPoints);
switch (displayMethod) {
case RANDOM_PERCENT:
demoPointData->SetName("Random");
for (vtkIdType i = 0; i < numberOfPoints; ++i) {
demoPointData->SetValue(i, 100.0 * ((double) rand()) / ((double) RAND_MAX));
}
break;
case POINT_INDEX:
demoPointData->SetName("Index");
for (vtkIdType i = 0; i < numberOfPoints; ++i) {
demoPointData->SetValue(i, i);
}
break;
}
// add the point data and show it
comp->addPointData(demoPointData->GetName(), demoPointData);
}
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