Difference between revisions of "VTK/Examples/Cxx/GeometricObjects/ParametricObjectsDemo2"

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(ParametricObjectsDemo2.cxx)
(Replaced content with "= '''See [https://lorensen.github.io/VTKExamples/site/Cxx/GeometricObjects/ParametricObjectsDemo ParametricObjectsDemo] on the new [https://lorensen.github.io/VTKExamples/...")
 
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<div class="floatright">[[File:VTK_Examples_Baseline_GeometricObjects_TestParametricObjectsDemo2.png|600px]]</div>
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= '''See [https://lorensen.github.io/VTKExamples/site/Cxx/GeometricObjects/ParametricObjectsDemo ParametricObjectsDemo] on the new [https://lorensen.github.io/VTKExamples/site/ VTKExamples website].''' =
 
 
==ParametricObjectsDemo2.cxx==
 
<source lang="cpp">
 
#include <vtkSmartPointer.h>
 
#include <vtkCamera.h>
 
#include <vtkPolyDataMapper.h>
 
#include <vtkTextMapper.h>
 
#include <vtkActor.h>
 
#include <vtkActor2D.h>
 
#include <vtkProperty.h>
 
#include <vtkTextProperty.h>
 
#include <vtkRenderWindow.h>
 
#include <vtkRenderer.h>
 
#include <vtkRenderWindowInteractor.h>
 
#include <vtkParametricFunctionSource.h>
 
#include <vtkMath.h>
 
#include <vtkPoints.h>
 
 
 
#include "vtkParametricBohemianDome.h"
 
#include "vtkParametricBour.h"
 
#include "vtkParametricCatalanMinimal.h"
 
#include "vtkParametricFunction.h"
 
#include "vtkParametricHenneberg.h"
 
#include "vtkParametricKuen.h"
 
#include "vtkParametricPluckerConoid.h"
 
#include "vtkParametricPseudosphere.h"
 
 
 
#include <vector>
 
 
 
int main(int, char *[])
 
{
 
  // Select one of the following (matching the selection above)
 
  std::vector<vtkSmartPointer<vtkParametricFunction> > parametricObjects;
 
 
 
  parametricObjects.push_back(
 
    vtkSmartPointer<vtkParametricBohemianDome>::New());
 
  static_cast<vtkParametricBohemianDome*>(
 
    parametricObjects.back().GetPointer())->SetA(5.0);
 
  static_cast<vtkParametricBohemianDome*>(
 
    parametricObjects.back().GetPointer())->SetB(1.0);
 
  static_cast<vtkParametricBohemianDome*>(
 
    parametricObjects.back().GetPointer())->SetC(2.0);
 
  parametricObjects.push_back(
 
    vtkSmartPointer<vtkParametricBour>::New());
 
  parametricObjects.push_back(
 
    vtkSmartPointer<vtkParametricCatalanMinimal>::New());
 
  parametricObjects.push_back(
 
    vtkSmartPointer<vtkParametricHenneberg>::New());
 
  parametricObjects.push_back(
 
    vtkSmartPointer<vtkParametricKuen>::New());
 
  parametricObjects.push_back(
 
    vtkSmartPointer<vtkParametricPluckerConoid>::New());
 
  parametricObjects.push_back(
 
    vtkSmartPointer<vtkParametricPseudosphere>::New());
 
 
 
  std::vector<vtkSmartPointer<vtkParametricFunctionSource> >
 
    parametricFunctionSources;
 
  std::vector<vtkSmartPointer<vtkRenderer> >
 
    renderers;
 
  std::vector<vtkSmartPointer<vtkPolyDataMapper> >
 
    mappers;
 
  std::vector<vtkSmartPointer<vtkActor> >
 
    actors;
 
  std::vector<vtkSmartPointer<vtkTextMapper> >
 
    textmappers;
 
  std::vector<vtkSmartPointer<vtkActor2D> >
 
    textactors;
 
 
 
  // Create one text property for all
 
  vtkSmartPointer<vtkTextProperty> textProperty =
 
    vtkSmartPointer<vtkTextProperty>::New();
 
  textProperty->SetFontSize(10);
 
  textProperty->SetJustificationToCentered();
 
 
 
  vtkSmartPointer<vtkProperty> backProperty =
 
    vtkSmartPointer<vtkProperty>::New();
 
  backProperty->SetColor(1.0, 0.0, 0.0);
 
 
 
  // Create a parametric function source, renderer, mapper, and actor
 
  // for each object
 
  for(unsigned int i = 0; i < parametricObjects.size(); i++)
 
    {
 
    parametricFunctionSources.push_back(
 
      vtkSmartPointer<vtkParametricFunctionSource>::New());
 
    parametricFunctionSources[i]->SetParametricFunction(parametricObjects[i]);
 
    parametricFunctionSources[i]->Update();
 
 
 
    mappers.push_back(vtkSmartPointer<vtkPolyDataMapper>::New());
 
    mappers[i]->SetInputConnection(
 
      parametricFunctionSources[i]->GetOutputPort());
 
 
 
    actors.push_back(vtkSmartPointer<vtkActor>::New());
 
    actors[i]->SetMapper(mappers[i]);
 
    actors[i]->SetBackfaceProperty(backProperty);
 
 
 
    textmappers.push_back(vtkSmartPointer<vtkTextMapper>::New());
 
    textmappers[i]->SetInput(parametricObjects[i]->GetClassName());
 
    textmappers[i]->SetTextProperty(textProperty);
 
 
 
    textactors.push_back(vtkSmartPointer<vtkActor2D>::New());
 
    textactors[i]->SetMapper(textmappers[i]);
 
    textactors[i]->SetPosition(100, 16);
 
    renderers.push_back(vtkSmartPointer<vtkRenderer>::New());
 
    }
 
  unsigned int gridXDimensions = 4;
 
  unsigned int gridYDimensions = 2;
 
 
 
  // Need a renderer even if there is no actor
 
  for(size_t i = parametricObjects.size();
 
      i < gridXDimensions * gridYDimensions;
 
      i++)
 
    {
 
    renderers.push_back(vtkSmartPointer<vtkRenderer>::New());
 
    }
 
 
 
  vtkSmartPointer<vtkRenderWindow> renderWindow =
 
    vtkSmartPointer<vtkRenderWindow>::New();
 
  int rendererSize = 200;
 
  renderWindow->SetSize(
 
    rendererSize*gridXDimensions, rendererSize*gridYDimensions);
 
 
 
  for(int row = 0; row < static_cast<int>(gridYDimensions); row++)
 
    {
 
    for(int col = 0; col < static_cast<int>(gridXDimensions); col++)
 
      {
 
      int index = row*gridXDimensions + col;
 
 
 
      // (xmin, ymin, xmax, ymax)
 
      double viewport[4] =
 
        {static_cast<double>(col) * rendererSize / (gridXDimensions * rendererSize),
 
        static_cast<double>(gridYDimensions - (row+1)) * rendererSize / (gridYDimensions * rendererSize),
 
        static_cast<double>(col+1)*rendererSize / (gridXDimensions * rendererSize),
 
        static_cast<double>(gridYDimensions - row) * rendererSize / (gridYDimensions * rendererSize)};
 
      renderWindow->AddRenderer(renderers[index]);
 
      renderers[index]->SetViewport(viewport);
 
      if(index > static_cast<int>(parametricObjects.size() - 1))
 
        {
 
        continue;
 
        }
 
      renderers[index]->AddActor(actors[index]);
 
      renderers[index]->AddActor(textactors[index]);
 
      renderers[index]->SetBackground(.2, .3, .4);
 
      renderers[index]->ResetCamera();
 
      renderers[index]->GetActiveCamera()->Azimuth(30);
 
      renderers[index]->GetActiveCamera()->Elevation(-30);
 
      renderers[index]->GetActiveCamera()->Zoom(0.9);
 
      renderers[index]->ResetCameraClippingRange();
 
      }
 
    }
 
 
 
  vtkSmartPointer<vtkRenderWindowInteractor> interactor =
 
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
 
  interactor->SetRenderWindow(renderWindow);
 
 
 
  renderWindow->Render();
 
  interactor->Start();
 
 
 
  return EXIT_SUCCESS;
 
}
 
</source>
 
 
 
{{VTKCMakeLists|{{SUBPAGENAME}}}}
 

Latest revision as of 17:36, 31 March 2019

See ParametricObjectsDemo on the new VTKExamples website.