vtkTexturingHelper example

vtkTexturingHelper_example.cpp

/*=========================================================================

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.
=========================================================================*/
//
// This simple example shows how to use vtkTexturingHelper to texture an
// OBJ 3D model using two texture files in C++.
// The model used by this example (mannequine_clothed) can be found on Artec3D scan gallery
// link: http://www.artec3d.com/gallery/3d-models/
//
#include <iostream>

#include "vtkActor.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkCamera.h"

#include "vtkTexturingHelper.h"

int main()
{
  vtkTexturingHelper helper;
  try {
    // Read the geometry file and extract texture coordinates data from OBJ file
    helper.ReadGeometryFile("mannequin/mannequine_clothed.obj");
    // Read 2 textures files called "mannequin/mannequine_clothed_0.jpg" and "mannequin/mannequine_clothed_1.jpg"
    helper.ReadTextureFiles("mannequin/mannequine_clothed", ".jpg", 2);
    // Bind the textures and texture units data onto the geometry
    helper.ApplyTextures();
    } catch (const vtkTexturingHelperException & helperExc) {
        std::cout << "Whoops ! This isn't supported ! " << helperExc.what() << std::endl;
    }
  vtkSmartPointer<vtkActor> actor = helper.GetActor();

  vtkRenderer *ren1 = vtkRenderer::New();
  vtkRenderWindow *renWin = vtkRenderWindow::New();
  renWin->AddRenderer(ren1);
  vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
  iren->SetRenderWindow(renWin);

  // Add the actors to the renderer, set the background and size
  ren1->AddActor(actor);
  ren1->SetBackground(0.1, 0.2, 0.4);
  ren1->ResetCamera();
  renWin->SetSize(800, 600);
  renWin->Render();

  // This starts the event loop and as a side effect causes an initial render.
  iren->Start();

  // Exiting from here, we have to delete all the instances that
  // have been created.
  ren1->Delete();
  renWin->Delete();
  iren->Delete();

  return 0;
}