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BuildOctree.tar
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BuildOctree.tar
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BuildOctree/ 0000755 0000765 0000024 00000000000 13424703035 014230 5 ustar lorensen staff 0000000 0000000 BuildOctree/CMakeLists.txt 0000644 0000765 0000024 00000001426 13424703035 016773 0 ustar lorensen staff 0000000 0000000
cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
project(BuildOctree)
find_package(VTK COMPONENTS
vtkCommonCore
vtkCommonDataModel
vtkIOXML QUIET)
if (NOT VTK_FOUND)
message("Skipping BuildOctree: ${VTK_NOT_FOUND_MESSAGE}")
return ()
endif()
message (STATUS "VTK_VERSION: ${VTK_VERSION}")
if (VTK_VERSION VERSION_LESS "8.90.0")
# old system
include(${VTK_USE_FILE})
add_executable(BuildOctree MACOSX_BUNDLE BuildOctree.cxx )
target_link_libraries(BuildOctree PRIVATE ${VTK_LIBRARIES})
else ()
# include all components
add_executable(BuildOctree MACOSX_BUNDLE BuildOctree.cxx )
target_link_libraries(BuildOctree PRIVATE ${VTK_LIBRARIES})
# vtk_module_autoinit is needed
vtk_module_autoinit(
TARGETS BuildOctree
MODULES ${VTK_LIBRARIES}
)
endif ()
BuildOctree/BuildOctree.cxx 0000644 0000765 0000024 00000002243 13424703035 017156 0 ustar lorensen staff 0000000 0000000 #include <vtkCellArray.h>
#include <vtkDataSetCollection.h>
#include <vtkIdList.h>
#include <vtkOctreePointLocator.h>
#include <vtkPoints.h>
#include <vtkPolyData.h>
#include <vtkSmartPointer.h>
#include <vtkXMLPolyDataReader.h>
int main(int, char*[])
{
// Setup point coordinates
double x[3]{1.0, 0.0, 0.0};
double y[3]{0.0, 1.0, 0.0};
double z[3]{0.0, 0.0, 1.0};
auto points = vtkSmartPointer<vtkPoints>::New();
// auto vertices =
// vtkSmartPointer<vtkCellArray>::New();
for (unsigned int i = 0; i < 3; ++i)
{
points->InsertNextPoint(x[i], y[i], z[i]);
}
std::cout << "There are " << points->GetNumberOfPoints() << " points."
<< std::endl;
auto polydata = vtkSmartPointer<vtkPolyData>::New();
polydata->SetPoints(points);
// Create the tree
auto octree = vtkSmartPointer<vtkOctreePointLocator>::New();
octree->SetDataSet(polydata);
octree->BuildLocator();
std::cout << "Number of points in tree: "
<< octree->GetDataSet()->GetNumberOfPoints() << std::endl;
double p[3];
octree->GetDataSet()->GetPoint(0, p);
std::cout << "p: " << p[0] << " " << p[1] << " " << p[2] << std::endl;
return EXIT_SUCCESS;
}
BuildOctree/BuildOctree.java 0000644 0000765 0000024 00000003107 13424703035 017275 0 ustar lorensen staff 0000000 0000000 import vtk.vtkNativeLibrary;
import vtk.vtkPoints;
import vtk.vtkPolyData;
import vtk.vtkOctreePointLocator;
public class BuildOctree
{
// -----------------------------------------------------------------
// Load VTK library and print which library was not properly loaded
static
{
if (!vtkNativeLibrary.LoadAllNativeLibraries())
{
for (vtkNativeLibrary lib : vtkNativeLibrary.values())
{
if (!lib.IsLoaded())
{
System.out.println(lib.GetLibraryName() + " not loaded");
}
}
}
vtkNativeLibrary.DisableOutputWindow(null);
}
// -----------------------------------------------------------------
public static void main(String args[])
{
// Setup point coordinates
double x[] = new double[] {1.0, 0.0, 0.0};
double y[] = new double[] {0.0, 1.0, 0.0};
double z[] = new double[] {0.0, 0.0, 1.0};
vtkPoints points = new vtkPoints();
for(int i = 0; i < 3; ++i)
{
points.InsertNextPoint ( x[i], y[i], z[i] );
}
System.out.println("There are " + " " + points.GetNumberOfPoints() + " " + "points.");
vtkPolyData polydata = new vtkPolyData();
polydata.SetPoints(points);
//Create the tree
vtkOctreePointLocator octree = new vtkOctreePointLocator();
octree.SetDataSet(polydata);
octree.BuildLocator();
System.out.println("Number of points in tree: " + " " + octree.GetDataSet().GetNumberOfPoints());
double p[] = new double[3];
octree.GetDataSet().GetPoint(0,p);
System.out.println("p: " + " " + p[0] + " " + p[1] + " " +p[2]);
}
}
BuildOctree/build/ 0000755 0000765 0000024 00000000000 13424703035 015327 5 ustar lorensen staff 0000000 0000000