Sorry, I cannot read the links to your files.<br><br><div class="gmail_quote">On Tue, Aug 14, 2012 at 8:08 AM, agatte <span dir="ltr"><<a href="mailto:agatakrason@gmail.com" target="_blank">agatakrason@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi ;)<br>
I have a question about a mesh.<br>
I read mesh data from txt file ( I attach this file.)<br>
But I can't receive good structure of mesh (polydata).<br>
I receive something like this : (I attach a photo screen )<br>
When I use vtkVertexGlyphFilter. I receive a point cloud with good shape of<br>
heart.<br>
But I need display mesh with triangles/triangleStrips.<br>
Could You look at this code and this file ?<br>
I would appreciate for any help please.<br>
I don't see an error. What is wrong with this code ?<br>
<br>
My code is here :<br>
#include <vtkVersion.h><br>
#include <vtkSmartPointer.h><br>
#include <vtkPolyDataMapper.h><br>
#include <vtkActor.h><br>
#include <vtkParticleReader.h><br>
#include <vtkRenderWindow.h><br>
#include <vtkRenderWindowInteractor.h><br>
#include <vtkRenderer.h><br>
#include <vtkVertexGlyphFilter.h><br>
#include <sstream><br>
#include "vtkPolyData.h"<br>
#include "vtkPoints.h"<br>
#include "vtkCellArray.h"<br>
#include <iostream><br>
#include <fstream><br>
#include <vtkTriangle.h><br>
#include <vtkTriangleFilter.h><br>
#include <vtkContourFilter.h><br>
#include <vtkDelaunay3D.h><br>
#include <vtkXMLPolyDataWriter.h><br>
#include <vtkXMLUnstructuredGridWriter.h><br>
#include <vtkXMLPolyDataWriter.h><br>
#include <vtkDataSetSurfaceFilter.h><br>
#include <vtkPolyDataWriter.h><br>
#include <vtkExtractEdges.h><br>
#include <vtkTriangleStrip.h><br>
#include <vtkLine.h><br>
#include <vtkXMLPolyDataReader.h><br>
#include <vtkGeometryFilter.h><br>
#include <vtkSurfaceReconstructionFilter.h><br>
#include <vtkDelaunay2D.h><br>
#include <vtkExtractEdges.h><br>
#include <vtkFloatArray.h><br>
#include <vtkLookupTable.h><br>
#include <vtkStripper.h><br>
#include <iostream><br>
#include <vector><br>
#include <string><br>
#include <fstream><br>
#include "vtkProperty.h"<br>
<br>
using namespace std;<br>
<br>
<br>
int main(int argc, char* argv[])<br>
{<br>
<br>
const char* filename = "heartmesh.txt";<br>
std::ifstream infile(filename);<br>
vtkIdType number_of_points, number_of_triangles;<br>
infile >> number_of_points >> number_of_triangles;<br>
vtkPoints* points = vtkPoints::New();<br>
points->SetNumberOfPoints(number_of_points);<br>
<br>
std::cout<<"number_of_points: "<<number_of_points&lt;&lt;std::endl;<br>
std::cout&lt;&lt;&quot;number_of_triangles: &quot;<br>
&lt;&lt;number_of_triangles&lt;&lt;std::endl;<br>
<br>
for (vtkIdType i = 0; i &lt; number_of_points; i++)<br>
{<br>
double x, y, z;<br>
infile >> x >> y >> z;<br>
points->SetPoint(i, x, y, z);<br>
<br>
}<br>
<br>
vtkCellArray* polys = vtkCellArray::New();<br>
<br>
for (vtkIdType i = 0; i < number_of_triangles; i++)<br>
{<br>
vtkIdType a, b, c;<br>
infile >> a >> b >> c;<br>
polys->InsertNextCell(3);<br>
polys->InsertCellPoint(a);<br>
polys->InsertCellPoint(b);<br>
polys->InsertCellPoint(c);<br>
<br>
}<br>
<br>
vtkPolyData* polydata = vtkPolyData::New();<br>
polydata->SetPoints(points);<br>
polydata->SetPolys(polys);<br>
polydata->Update();<br>
<br>
vtkVertexGlyphFilter* glyphFilter = vtkVertexGlyphFilter::New();<br>
glyphFilter->SetInputConnection(polydata->GetProducerPort());<br>
glyphFilter->Update();<br>
<br>
vtkDelaunay2D* delaunay = vtkDelaunay2D::New();<br>
delaunay->SetInputConnection(glyphFilter->GetOutputPort());<br>
delaunay->Update();<br>
<br>
vtkDataSetSurfaceFilter* surfaceFilter = vtkDataSetSurfaceFilter::New();<br>
surfaceFilter->SetInputConnection(delaunay->GetOutputPort());<br>
surfaceFilter->Update();<br>
<br>
vtkTriangleFilter* triangleFilter = vtkTriangleFilter::New();<br>
triangleFilter->SetInputConnection(surfaceFilter->GetOutputPort());<br>
triangleFilter->Update();<br>
<br>
// Visualization<br>
vtkSmartPointer<vtkPolyDataMapper> mapper =<br>
vtkSmartPointer<vtkPolyDataMapper>::New();<br>
// mapper->SetInput(polydata);<br>
mapper->SetInputConnection(triangleFilter->GetOutputPort());<br>
vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();<br>
actor->SetMapper(mapper);<br>
<br>
<br>
<br>
//Create a renderer, render window, and interactor<br>
vtkSmartPointer<vtkRenderer> renderer =<br>
vtkSmartPointer<vtkRenderer>::New();<br>
vtkSmartPointer<vtkRenderWindow> renderWindow =<br>
vtkSmartPointer<vtkRenderWindow>::New();<br>
renderWindow->AddRenderer(renderer);<br>
vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =<br>
vtkSmartPointer<vtkRenderWindowInteractor>::New();<br>
renderWindowInteractor->SetRenderWindow(renderWindow);<br>
<br>
renderer->AddActor(actor);<br>
renderer->SetBackground(0, 0, 0);<br>
renderWindow->Render();<br>
renderWindowInteractor->Start();<br>
<br>
polydata->Delete();<br>
polys->Delete();<br>
points->Delete();<br>
glyphFilter->Delete();<br>
delaunay->Delete();<br>
triangleFilter->Delete();<br>
surfaceFilter->Delete();<br>
<br>
<br>
<br>
<br>
return EXIT_SUCCESS;<br>
}<br>
<br>
<br>
<br>
agatte<br>
<br>
<a href="http://vtk.1045678.n5.nabble.com/file/n5715236/heartmesh.txt" target="_blank">http://vtk.1045678.n5.nabble.com/file/n5715236/heartmesh.txt</a> heartmesh.txt<br>
<br>
<br>
<br>
<a href="http://vtk.1045678.n5.nabble.com/file/n5715236/Heart_as_Polydata.png" target="_blank">http://vtk.1045678.n5.nabble.com/file/n5715236/Heart_as_Polydata.png</a><br>
<a href="http://vtk.1045678.n5.nabble.com/file/n5715236/Heart_as_PointCloud.png" target="_blank">http://vtk.1045678.n5.nabble.com/file/n5715236/Heart_as_PointCloud.png</a><br>
<br>
<br>
<br>
<br>
--<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Unpaid intern in BillsBasement at noware dot com<br><br>