mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
removed isosurface example, add clipped tangle to Contour unit test
This commit is contained in:
Li-Ta Lo
parent
0a020c77a8
commit
e66af369ba
@ -1,39 +0,0 @@
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##============================================================================
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## Copyright (c) Kitware, Inc.
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## All rights reserved.
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## See LICENSE.txt for details.
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##
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## This software is distributed WITHOUT ANY WARRANTY; without even
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## the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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## PURPOSE. See the above copyright notice for more information.
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##============================================================================
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cmake_minimum_required(VERSION 3.8...3.14 FATAL_ERROR)
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project(IsoSurface CXX)
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#Find the VTK-m package
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find_package(VTKm REQUIRED QUIET)
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vtkm_find_gl(OPTIONAL GL GLUT GLEW)
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if(TARGET OpenGL::GL AND
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TARGET GLUT::GLUT AND
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TARGET GLEW::GLEW)
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set(gl_libs OpenGL::GL OpenGL::GLU GLEW::GLEW GLUT::GLUT)
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add_executable(IsosurfaceUniformGrid IsosurfaceUniformGrid.cxx quaternion.h)
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target_link_libraries(IsosurfaceUniformGrid PRIVATE vtkm_filter ${gl_libs})
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vtkm_add_target_information(IsosurfaceUniformGrid
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MODIFY_CUDA_FLAGS
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DEVICE_SOURCES IsosurfaceUniformGrid.cxx)
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add_executable(IsosurfaceTetra IsosurfaceTetra.cxx quaternion.h)
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target_link_libraries(IsosurfaceTetra PRIVATE vtkm_filter ${gl_libs})
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vtkm_add_target_information(IsosurfaceTetra
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MODIFY_CUDA_FLAGS
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DEVICE_SOURCES IsosurfaceTetra.cxx)
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add_executable(IsosurfaceUniformGridClipped IsosurfaceUniformGridClipped.cxx quaternion.h)
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target_link_libraries(IsosurfaceUniformGridClipped PRIVATE vtkm_filter ${gl_libs})
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vtkm_add_target_information(IsosurfaceUniformGridClipped
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MODIFY_CUDA_FLAGS
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DEVICE_SOURCES IsosurfaceUniformGridClipped.cxx)
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endif()
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@ -1,288 +0,0 @@
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//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#include <vtkm/filter/Contour.h>
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#include <vtkm/filter/Tetrahedralize.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/Math.h>
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#include <vtkm/cont/ArrayHandleCounting.h>
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#include <vtkm/cont/CellSetExplicit.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/Initialize.h>
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//Suppress warnings about glut being deprecated on OSX
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#if (defined(VTKM_GCC) || defined(VTKM_CLANG))
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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#endif
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#if defined(__APPLE__)
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#include <GLUT/glut.h>
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#else
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#include <GL/glut.h>
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#endif
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#include "quaternion.h"
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#include <vector>
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static vtkm::Id3 dims(256, 256, 256);
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static vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32, 3>> verticesArray, normalsArray;
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static vtkm::cont::ArrayHandle<vtkm::Float32> scalarsArray;
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static Quaternion qrot;
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static int lastx, lasty;
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static int mouse_state = 1;
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namespace
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{
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// Define the tangle field for the input data
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class TangleField : public vtkm::worklet::WorkletMapField
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{
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public:
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using ControlSignature = void(FieldIn vertexId, FieldOut v);
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using ExecutionSignature = void(_1, _2);
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using InputDomain = _1;
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const vtkm::Id xdim, ydim, zdim;
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const vtkm::Float32 xmin, ymin, zmin, xmax, ymax, zmax;
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const vtkm::Id cellsPerLayer;
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VTKM_CONT
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TangleField(const vtkm::Id3 dims, const vtkm::Float32 mins[3], const vtkm::Float32 maxs[3])
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: xdim(dims[0])
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, ydim(dims[1])
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, zdim(dims[2])
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, xmin(mins[0])
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, ymin(mins[1])
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, zmin(mins[2])
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, xmax(maxs[0])
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, ymax(maxs[1])
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, zmax(maxs[2])
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, cellsPerLayer((xdim) * (ydim)){};
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VTKM_EXEC
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void operator()(const vtkm::Id& vertexId, vtkm::Float32& v) const
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{
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const vtkm::Id x = vertexId % (xdim);
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const vtkm::Id y = (vertexId / (xdim)) % (ydim);
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const vtkm::Id z = vertexId / cellsPerLayer;
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const vtkm::Float32 fx = static_cast<vtkm::Float32>(x) / static_cast<vtkm::Float32>(xdim - 1);
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const vtkm::Float32 fy = static_cast<vtkm::Float32>(y) / static_cast<vtkm::Float32>(xdim - 1);
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const vtkm::Float32 fz = static_cast<vtkm::Float32>(z) / static_cast<vtkm::Float32>(xdim - 1);
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const vtkm::Float32 xx = 3.0f * (xmin + (xmax - xmin) * (fx));
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const vtkm::Float32 yy = 3.0f * (ymin + (ymax - ymin) * (fy));
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const vtkm::Float32 zz = 3.0f * (zmin + (zmax - zmin) * (fz));
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v = (xx * xx * xx * xx - 5.0f * xx * xx + yy * yy * yy * yy - 5.0f * yy * yy +
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zz * zz * zz * zz - 5.0f * zz * zz + 11.8f) *
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0.2f +
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0.5f;
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}
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};
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// Construct an input data set using the tangle field worklet
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vtkm::cont::DataSet MakeIsosurfaceTestDataSet(vtkm::Id3 dims)
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{
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vtkm::cont::DataSet dataSet;
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const vtkm::Id3 vdims(dims[0] + 1, dims[1] + 1, dims[2] + 1);
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vtkm::Float32 mins[3] = { -1.0f, -1.0f, -1.0f };
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vtkm::Float32 maxs[3] = { 1.0f, 1.0f, 1.0f };
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vtkm::cont::ArrayHandle<vtkm::Float32> fieldArray;
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vtkm::cont::ArrayHandleCounting<vtkm::Id> vertexCountImplicitArray(
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0, 1, vdims[0] * vdims[1] * vdims[2]);
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vtkm::worklet::DispatcherMapField<TangleField> tangleFieldDispatcher(
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TangleField(vdims, mins, maxs));
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tangleFieldDispatcher.Invoke(vertexCountImplicitArray, fieldArray);
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vtkm::Vec<vtkm::FloatDefault, 3> origin(0.0f, 0.0f, 0.0f);
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vtkm::Vec<vtkm::FloatDefault, 3> spacing(1.0f / static_cast<vtkm::FloatDefault>(dims[0]),
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1.0f / static_cast<vtkm::FloatDefault>(dims[2]),
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1.0f / static_cast<vtkm::FloatDefault>(dims[1]));
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vtkm::cont::ArrayHandleUniformPointCoordinates coordinates(vdims, origin, spacing);
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dataSet.AddCoordinateSystem(vtkm::cont::CoordinateSystem("coordinates", coordinates));
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dataSet.AddField(
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vtkm::cont::Field("nodevar", vtkm::cont::Field::Association::POINTS, fieldArray));
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static const vtkm::IdComponent ndim = 3;
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vtkm::cont::CellSetStructured<ndim> cellSet("cells");
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cellSet.SetPointDimensions(vdims);
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dataSet.AddCellSet(cellSet);
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return dataSet;
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}
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}
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// Initialize the OpenGL state
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void initializeGL()
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{
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glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
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glEnable(GL_DEPTH_TEST);
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glShadeModel(GL_SMOOTH);
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vtkm::Float32 white[] = { 0.8f, 0.8f, 0.8f, 1.0f };
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vtkm::Float32 black[] = { 0.0f, 0.0f, 0.0f, 1.0f };
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vtkm::Float32 lightPos[] = { 10.0f, 10.0f, 10.5f, 1.0f };
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glLightfv(GL_LIGHT0, GL_AMBIENT, white);
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glLightfv(GL_LIGHT0, GL_DIFFUSE, white);
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glLightfv(GL_LIGHT0, GL_SPECULAR, black);
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glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
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glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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glEnable(GL_NORMALIZE);
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glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
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glEnable(GL_COLOR_MATERIAL);
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}
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// Render the output using simple OpenGL
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void displayCall()
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{
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glEnable(GL_DEPTH_TEST);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(45.0f, 1.0f, 1.0f, 20.0f);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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gluLookAt(0.0f, 0.0f, 3.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f);
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glPushMatrix();
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float rotationMatrix[16];
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qrot.getRotMat(rotationMatrix);
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glMultMatrixf(rotationMatrix);
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glTranslatef(-0.5f, -0.5f, -0.5f);
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glColor3f(0.1f, 0.1f, 0.6f);
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glBegin(GL_TRIANGLES);
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for (vtkm::IdComponent i = 0; i < verticesArray.GetNumberOfValues(); i++)
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{
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vtkm::Vec<vtkm::Float32, 3> curNormal = normalsArray.GetPortalConstControl().Get(i);
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vtkm::Vec<vtkm::Float32, 3> curVertex = verticesArray.GetPortalConstControl().Get(i);
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glNormal3f(curNormal[0], curNormal[1], curNormal[2]);
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glVertex3f(curVertex[0], curVertex[1], curVertex[2]);
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}
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glEnd();
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glPopMatrix();
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glutSwapBuffers();
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}
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// Allow rotations of the view
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void mouseMove(int x, int y)
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{
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vtkm::Float32 dx = static_cast<vtkm::Float32>(x - lastx);
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vtkm::Float32 dy = static_cast<vtkm::Float32>(y - lasty);
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if (mouse_state == 0)
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{
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Quaternion newRotX;
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newRotX.setEulerAngles(-0.2f * dx * vtkm::Pi_180f(), 0.0f, 0.0f);
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qrot.mul(newRotX);
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Quaternion newRotY;
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newRotY.setEulerAngles(0.0f, 0.0f, -0.2f * dy * vtkm::Pi_180f());
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qrot.mul(newRotY);
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}
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lastx = x;
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lasty = y;
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glutPostRedisplay();
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}
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// Respond to mouse button
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void mouseCall(int button, int state, int x, int y)
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{
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if (button == 0)
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mouse_state = state;
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if ((button == 0) && (state == 0))
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{
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lastx = x;
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lasty = y;
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}
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}
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// Compute and render an isosurface for a uniform grid example
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int main(int argc, char* argv[])
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{
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//parse out all vtk-m related command line options
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auto opts =
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vtkm::cont::InitializeOptions::DefaultAnyDevice | vtkm::cont::InitializeOptions::Strict;
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vtkm::cont::Initialize(argc, argv, opts);
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vtkm::cont::DataSet dataSet = MakeIsosurfaceTestDataSet(dims);
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vtkm::filter::Tetrahedralize tetrahedralize;
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vtkm::cont::DataSet tetra = tetrahedralize.Execute(dataSet);
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vtkm::filter::Contour filter;
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filter.SetGenerateNormals(true);
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filter.SetMergeDuplicatePoints(false);
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filter.SetIsoValue(0, 0.1);
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filter.SetActiveField("nodevar");
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filter.SetFieldsToPass({ "nodevar" });
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vtkm::cont::DataSet outputData = filter.Execute(tetra);
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//need to extract vertices, normals, and scalars
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using VertType = vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32, 3>>;
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vtkm::cont::CoordinateSystem coords = outputData.GetCoordinateSystem();
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verticesArray = coords.GetData().Cast<VertType>();
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normalsArray = outputData.GetField("normals").GetData().Cast<VertType>();
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scalarsArray =
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outputData.GetField("nodevar").GetData().Cast<vtkm::cont::ArrayHandle<vtkm::Float32>>();
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std::cout << "Number of output vertices: " << verticesArray.GetNumberOfValues() << std::endl;
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std::cout << "vertices: ";
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vtkm::cont::printSummary_ArrayHandle(verticesArray, std::cout);
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std::cout << std::endl;
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std::cout << "normals: ";
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vtkm::cont::printSummary_ArrayHandle(normalsArray, std::cout);
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std::cout << std::endl;
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std::cout << "scalars: ";
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vtkm::cont::printSummary_ArrayHandle(scalarsArray, std::cout);
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std::cout << std::endl;
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lastx = lasty = 0;
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glutInit(&argc, argv);
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glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
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glutInitWindowSize(1000, 1000);
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glutCreateWindow("VTK-m Isosurface");
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initializeGL();
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glutDisplayFunc(displayCall);
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glutMotionFunc(mouseMove);
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glutMouseFunc(mouseCall);
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glutMainLoop();
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verticesArray.ReleaseResources();
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normalsArray.ReleaseResources();
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scalarsArray.ReleaseResources();
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return 0;
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}
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#if (defined(VTKM_GCC) || defined(VTKM_CLANG))
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#pragma GCC diagnostic pop
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#endif
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@ -1,284 +0,0 @@
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//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#include <vtkm/filter/Contour.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/Math.h>
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#include <vtkm/cont/ArrayHandleCounting.h>
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#include <vtkm/cont/CellSetExplicit.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/Initialize.h>
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//Suppress warnings about glut being deprecated on OSX
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#if (defined(VTKM_GCC) || defined(VTKM_CLANG))
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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#endif
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#if defined(__APPLE__)
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#include <GLUT/glut.h>
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#else
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#include <GL/glut.h>
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#endif
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#include "quaternion.h"
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#include <vector>
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static vtkm::Id3 dims(256, 256, 256);
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static vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32, 3>> verticesArray, normalsArray;
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static vtkm::cont::ArrayHandle<vtkm::Float32> scalarsArray;
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static Quaternion qrot;
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static int lastx, lasty;
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static int mouse_state = 1;
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namespace
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{
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// Define the tangle field for the input data
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class TangleField : public vtkm::worklet::WorkletMapField
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{
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public:
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using ControlSignature = void(FieldIn vertexId, FieldOut v);
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using ExecutionSignature = void(_1, _2);
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using InputDomain = _1;
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const vtkm::Id xdim, ydim, zdim;
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const vtkm::Float32 xmin, ymin, zmin, xmax, ymax, zmax;
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const vtkm::Id cellsPerLayer;
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VTKM_CONT
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TangleField(const vtkm::Id3 dims, const vtkm::Float32 mins[3], const vtkm::Float32 maxs[3])
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: xdim(dims[0])
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, ydim(dims[1])
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, zdim(dims[2])
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, xmin(mins[0])
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, ymin(mins[1])
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, zmin(mins[2])
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, xmax(maxs[0])
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, ymax(maxs[1])
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, zmax(maxs[2])
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, cellsPerLayer((xdim) * (ydim)){};
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VTKM_EXEC
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void operator()(const vtkm::Id& vertexId, vtkm::Float32& v) const
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{
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const vtkm::Id x = vertexId % (xdim);
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const vtkm::Id y = (vertexId / (xdim)) % (ydim);
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const vtkm::Id z = vertexId / cellsPerLayer;
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const vtkm::Float32 fx = static_cast<vtkm::Float32>(x) / static_cast<vtkm::Float32>(xdim - 1);
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const vtkm::Float32 fy = static_cast<vtkm::Float32>(y) / static_cast<vtkm::Float32>(xdim - 1);
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const vtkm::Float32 fz = static_cast<vtkm::Float32>(z) / static_cast<vtkm::Float32>(xdim - 1);
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const vtkm::Float32 xx = 3.0f * (xmin + (xmax - xmin) * (fx));
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const vtkm::Float32 yy = 3.0f * (ymin + (ymax - ymin) * (fy));
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const vtkm::Float32 zz = 3.0f * (zmin + (zmax - zmin) * (fz));
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v = (xx * xx * xx * xx - 5.0f * xx * xx + yy * yy * yy * yy - 5.0f * yy * yy +
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zz * zz * zz * zz - 5.0f * zz * zz + 11.8f) *
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0.2f +
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0.5f;
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}
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};
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// Construct an input data set using the tangle field worklet
|
||||
vtkm::cont::DataSet MakeIsosurfaceTestDataSet(vtkm::Id3 dims)
|
||||
{
|
||||
vtkm::cont::DataSet dataSet;
|
||||
|
||||
const vtkm::Id3 vdims(dims[0] + 1, dims[1] + 1, dims[2] + 1);
|
||||
|
||||
vtkm::Float32 mins[3] = { -1.0f, -1.0f, -1.0f };
|
||||
vtkm::Float32 maxs[3] = { 1.0f, 1.0f, 1.0f };
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Float32> fieldArray;
|
||||
vtkm::cont::ArrayHandleCounting<vtkm::Id> vertexCountImplicitArray(
|
||||
0, 1, vdims[0] * vdims[1] * vdims[2]);
|
||||
vtkm::worklet::DispatcherMapField<TangleField> tangleFieldDispatcher(
|
||||
TangleField(vdims, mins, maxs));
|
||||
tangleFieldDispatcher.Invoke(vertexCountImplicitArray, fieldArray);
|
||||
|
||||
vtkm::Vec<vtkm::FloatDefault, 3> origin(0.0f, 0.0f, 0.0f);
|
||||
vtkm::Vec<vtkm::FloatDefault, 3> spacing(1.0f / static_cast<vtkm::FloatDefault>(dims[0]),
|
||||
1.0f / static_cast<vtkm::FloatDefault>(dims[2]),
|
||||
1.0f / static_cast<vtkm::FloatDefault>(dims[1]));
|
||||
|
||||
vtkm::cont::ArrayHandleUniformPointCoordinates coordinates(vdims, origin, spacing);
|
||||
dataSet.AddCoordinateSystem(vtkm::cont::CoordinateSystem("coordinates", coordinates));
|
||||
|
||||
dataSet.AddField(
|
||||
vtkm::cont::Field("nodevar", vtkm::cont::Field::Association::POINTS, fieldArray));
|
||||
|
||||
static const vtkm::IdComponent ndim = 3;
|
||||
vtkm::cont::CellSetStructured<ndim> cellSet("cells");
|
||||
cellSet.SetPointDimensions(vdims);
|
||||
dataSet.AddCellSet(cellSet);
|
||||
|
||||
return dataSet;
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize the OpenGL state
|
||||
void initializeGL()
|
||||
{
|
||||
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
glShadeModel(GL_SMOOTH);
|
||||
|
||||
vtkm::Float32 white[] = { 0.8f, 0.8f, 0.8f, 1.0f };
|
||||
vtkm::Float32 black[] = { 0.0f, 0.0f, 0.0f, 1.0f };
|
||||
vtkm::Float32 lightPos[] = { 10.0f, 10.0f, 10.5f, 1.0f };
|
||||
|
||||
glLightfv(GL_LIGHT0, GL_AMBIENT, white);
|
||||
glLightfv(GL_LIGHT0, GL_DIFFUSE, white);
|
||||
glLightfv(GL_LIGHT0, GL_SPECULAR, black);
|
||||
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
|
||||
|
||||
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
|
||||
|
||||
glEnable(GL_LIGHTING);
|
||||
glEnable(GL_LIGHT0);
|
||||
glEnable(GL_NORMALIZE);
|
||||
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
|
||||
glEnable(GL_COLOR_MATERIAL);
|
||||
}
|
||||
|
||||
// Render the output using simple OpenGL
|
||||
void displayCall()
|
||||
{
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
|
||||
glMatrixMode(GL_PROJECTION);
|
||||
glLoadIdentity();
|
||||
gluPerspective(45.0f, 1.0f, 1.0f, 20.0f);
|
||||
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
glLoadIdentity();
|
||||
gluLookAt(0.0f, 0.0f, 3.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f);
|
||||
|
||||
glPushMatrix();
|
||||
float rotationMatrix[16];
|
||||
qrot.getRotMat(rotationMatrix);
|
||||
glMultMatrixf(rotationMatrix);
|
||||
glTranslatef(-0.5f, -0.5f, -0.5f);
|
||||
|
||||
glColor3f(0.1f, 0.1f, 0.6f);
|
||||
|
||||
glBegin(GL_TRIANGLES);
|
||||
for (vtkm::IdComponent i = 0; i < verticesArray.GetNumberOfValues(); i++)
|
||||
{
|
||||
vtkm::Vec<vtkm::Float32, 3> curNormal = normalsArray.GetPortalConstControl().Get(i);
|
||||
vtkm::Vec<vtkm::Float32, 3> curVertex = verticesArray.GetPortalConstControl().Get(i);
|
||||
glNormal3f(curNormal[0], curNormal[1], curNormal[2]);
|
||||
glVertex3f(curVertex[0], curVertex[1], curVertex[2]);
|
||||
}
|
||||
glEnd();
|
||||
|
||||
glPopMatrix();
|
||||
glutSwapBuffers();
|
||||
}
|
||||
|
||||
// Allow rotations of the view
|
||||
void mouseMove(int x, int y)
|
||||
{
|
||||
vtkm::Float32 dx = static_cast<vtkm::Float32>(x - lastx);
|
||||
vtkm::Float32 dy = static_cast<vtkm::Float32>(y - lasty);
|
||||
|
||||
if (mouse_state == 0)
|
||||
{
|
||||
Quaternion newRotX;
|
||||
newRotX.setEulerAngles(-0.2f * dx * vtkm::Pi_180f(), 0.0f, 0.0f);
|
||||
qrot.mul(newRotX);
|
||||
|
||||
Quaternion newRotY;
|
||||
newRotY.setEulerAngles(0.0f, 0.0f, -0.2f * dy * vtkm::Pi_180f());
|
||||
qrot.mul(newRotY);
|
||||
}
|
||||
lastx = x;
|
||||
lasty = y;
|
||||
|
||||
glutPostRedisplay();
|
||||
}
|
||||
|
||||
// Respond to mouse button
|
||||
void mouseCall(int button, int state, int x, int y)
|
||||
{
|
||||
if (button == 0)
|
||||
mouse_state = state;
|
||||
if ((button == 0) && (state == 0))
|
||||
{
|
||||
lastx = x;
|
||||
lasty = y;
|
||||
}
|
||||
}
|
||||
|
||||
// Compute and render an isosurface for a uniform grid example
|
||||
int main(int argc, char* argv[])
|
||||
{
|
||||
//parse out all vtk-m related command line options
|
||||
auto opts =
|
||||
vtkm::cont::InitializeOptions::DefaultAnyDevice | vtkm::cont::InitializeOptions::Strict;
|
||||
vtkm::cont::Initialize(argc, argv, opts);
|
||||
|
||||
vtkm::cont::DataSet dataSet = MakeIsosurfaceTestDataSet(dims);
|
||||
|
||||
vtkm::filter::Contour filter;
|
||||
filter.SetGenerateNormals(true);
|
||||
filter.SetMergeDuplicatePoints(false);
|
||||
filter.SetIsoValue(0, 0.1);
|
||||
filter.SetActiveField("nodevar");
|
||||
filter.SetFieldsToPass({ "nodevar" });
|
||||
|
||||
vtkm::cont::DataSet outputData = filter.Execute(dataSet);
|
||||
|
||||
//need to extract vertices, normals, and scalars
|
||||
using VertType = vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32, 3>>;
|
||||
vtkm::cont::CoordinateSystem coords = outputData.GetCoordinateSystem();
|
||||
|
||||
verticesArray = coords.GetData().Cast<VertType>();
|
||||
normalsArray = outputData.GetField("normals").GetData().Cast<VertType>();
|
||||
scalarsArray =
|
||||
outputData.GetField("nodevar").GetData().Cast<vtkm::cont::ArrayHandle<vtkm::Float32>>();
|
||||
|
||||
std::cout << "Number of output vertices: " << verticesArray.GetNumberOfValues() << std::endl;
|
||||
|
||||
std::cout << "vertices: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(verticesArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
std::cout << "normals: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(normalsArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
std::cout << "scalars: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(scalarsArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
|
||||
lastx = lasty = 0;
|
||||
glutInit(&argc, argv);
|
||||
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
|
||||
glutInitWindowSize(1000, 1000);
|
||||
glutCreateWindow("VTK-m Isosurface");
|
||||
initializeGL();
|
||||
glutDisplayFunc(displayCall);
|
||||
glutMotionFunc(mouseMove);
|
||||
glutMouseFunc(mouseCall);
|
||||
glutMainLoop();
|
||||
|
||||
verticesArray.ReleaseResources();
|
||||
normalsArray.ReleaseResources();
|
||||
scalarsArray.ReleaseResources();
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if (defined(VTKM_GCC) || defined(VTKM_CLANG))
|
||||
#pragma GCC diagnostic pop
|
||||
#endif
|
||||
@ -1,291 +0,0 @@
|
||||
//============================================================================
|
||||
// Copyright (c) Kitware, Inc.
|
||||
// All rights reserved.
|
||||
// See LICENSE.txt for details.
|
||||
//
|
||||
// This software is distributed WITHOUT ANY WARRANTY; without even
|
||||
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
||||
// PURPOSE. See the above copyright notice for more information.
|
||||
//============================================================================
|
||||
|
||||
#include <vtkm/filter/ClipWithImplicitFunction.h>
|
||||
#include <vtkm/filter/Contour.h>
|
||||
#include <vtkm/io/writer/VTKDataSetWriter.h>
|
||||
#include <vtkm/worklet/DispatcherMapField.h>
|
||||
|
||||
#include <vtkm/Math.h>
|
||||
#include <vtkm/cont/ArrayHandleCounting.h>
|
||||
#include <vtkm/cont/CellSetExplicit.h>
|
||||
#include <vtkm/cont/DataSet.h>
|
||||
#include <vtkm/cont/Initialize.h>
|
||||
|
||||
//Suppress warnings about glut being deprecated on OSX
|
||||
#if (defined(VTKM_GCC) || defined(VTKM_CLANG))
|
||||
#pragma GCC diagnostic push
|
||||
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
|
||||
#endif
|
||||
|
||||
#if defined(__APPLE__)
|
||||
#include <GLUT/glut.h>
|
||||
#else
|
||||
#include <GL/glut.h>
|
||||
#endif
|
||||
|
||||
#include "quaternion.h"
|
||||
|
||||
#include <vector>
|
||||
|
||||
static vtkm::Id3 dims(256, 256, 256);
|
||||
static vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32, 3>> verticesArray, normalsArray;
|
||||
static vtkm::cont::ArrayHandle<vtkm::Float32> scalarsArray;
|
||||
static Quaternion qrot;
|
||||
static int lastx, lasty;
|
||||
static int mouse_state = 1;
|
||||
|
||||
namespace
|
||||
{
|
||||
|
||||
// Define the tangle field for the input data
|
||||
class TangleField : public vtkm::worklet::WorkletMapField
|
||||
{
|
||||
public:
|
||||
using ControlSignature = void(FieldIn vertexId, FieldOut v);
|
||||
using ExecutionSignature = void(_1, _2);
|
||||
using InputDomain = _1;
|
||||
|
||||
const vtkm::Id xdim, ydim, zdim;
|
||||
const vtkm::Float32 xmin, ymin, zmin, xmax, ymax, zmax;
|
||||
const vtkm::Id cellsPerLayer;
|
||||
|
||||
VTKM_CONT
|
||||
TangleField(const vtkm::Id3 dims, const vtkm::Float32 mins[3], const vtkm::Float32 maxs[3])
|
||||
: xdim(dims[0])
|
||||
, ydim(dims[1])
|
||||
, zdim(dims[2])
|
||||
, xmin(mins[0])
|
||||
, ymin(mins[1])
|
||||
, zmin(mins[2])
|
||||
, xmax(maxs[0])
|
||||
, ymax(maxs[1])
|
||||
, zmax(maxs[2])
|
||||
, cellsPerLayer((xdim) * (ydim)){};
|
||||
|
||||
VTKM_EXEC
|
||||
void operator()(const vtkm::Id& vertexId, vtkm::Float32& v) const
|
||||
{
|
||||
const vtkm::Id x = vertexId % (xdim);
|
||||
const vtkm::Id y = (vertexId / (xdim)) % (ydim);
|
||||
const vtkm::Id z = vertexId / cellsPerLayer;
|
||||
|
||||
const vtkm::Float32 fx = static_cast<vtkm::Float32>(x) / static_cast<vtkm::Float32>(xdim - 1);
|
||||
const vtkm::Float32 fy = static_cast<vtkm::Float32>(y) / static_cast<vtkm::Float32>(xdim - 1);
|
||||
const vtkm::Float32 fz = static_cast<vtkm::Float32>(z) / static_cast<vtkm::Float32>(xdim - 1);
|
||||
|
||||
const vtkm::Float32 xx = 3.0f * (xmin + (xmax - xmin) * (fx));
|
||||
const vtkm::Float32 yy = 3.0f * (ymin + (ymax - ymin) * (fy));
|
||||
const vtkm::Float32 zz = 3.0f * (zmin + (zmax - zmin) * (fz));
|
||||
|
||||
v = (xx * xx * xx * xx - 5.0f * xx * xx + yy * yy * yy * yy - 5.0f * yy * yy +
|
||||
zz * zz * zz * zz - 5.0f * zz * zz + 11.8f) *
|
||||
0.2f +
|
||||
0.5f;
|
||||
}
|
||||
};
|
||||
|
||||
// Construct an input data set using the tangle field worklet
|
||||
vtkm::cont::DataSet MakeIsosurfaceTestDataSet(vtkm::Id3 dims)
|
||||
{
|
||||
vtkm::cont::DataSet dataSet;
|
||||
|
||||
const vtkm::Id3 vdims(dims[0] + 1, dims[1] + 1, dims[2] + 1);
|
||||
|
||||
vtkm::Float32 mins[3] = { -1.0f, -1.0f, -1.0f };
|
||||
vtkm::Float32 maxs[3] = { 1.0f, 1.0f, 1.0f };
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Float32> fieldArray;
|
||||
vtkm::cont::ArrayHandleCounting<vtkm::Id> vertexCountImplicitArray(
|
||||
0, 1, vdims[0] * vdims[1] * vdims[2]);
|
||||
vtkm::worklet::DispatcherMapField<TangleField> tangleFieldDispatcher(
|
||||
TangleField(vdims, mins, maxs));
|
||||
tangleFieldDispatcher.Invoke(vertexCountImplicitArray, fieldArray);
|
||||
|
||||
vtkm::Vec<vtkm::FloatDefault, 3> origin(0.0f, 0.0f, 0.0f);
|
||||
vtkm::Vec<vtkm::FloatDefault, 3> spacing(1.0f / static_cast<vtkm::FloatDefault>(dims[0]),
|
||||
1.0f / static_cast<vtkm::FloatDefault>(dims[2]),
|
||||
1.0f / static_cast<vtkm::FloatDefault>(dims[1]));
|
||||
|
||||
vtkm::cont::ArrayHandleUniformPointCoordinates coordinates(vdims, origin, spacing);
|
||||
dataSet.AddCoordinateSystem(vtkm::cont::CoordinateSystem("coordinates", coordinates));
|
||||
|
||||
dataSet.AddField(
|
||||
vtkm::cont::Field("nodevar", vtkm::cont::Field::Association::POINTS, fieldArray));
|
||||
|
||||
static const vtkm::IdComponent ndim = 3;
|
||||
vtkm::cont::CellSetStructured<ndim> cellSet("cells");
|
||||
cellSet.SetPointDimensions(vdims);
|
||||
dataSet.AddCellSet(cellSet);
|
||||
|
||||
return dataSet;
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize the OpenGL state
|
||||
void initializeGL()
|
||||
{
|
||||
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
glShadeModel(GL_SMOOTH);
|
||||
|
||||
vtkm::Float32 white[] = { 0.8f, 0.8f, 0.8f, 1.0f };
|
||||
vtkm::Float32 black[] = { 0.0f, 0.0f, 0.0f, 1.0f };
|
||||
vtkm::Float32 lightPos[] = { 10.0f, 10.0f, 10.5f, 1.0f };
|
||||
|
||||
glLightfv(GL_LIGHT0, GL_AMBIENT, white);
|
||||
glLightfv(GL_LIGHT0, GL_DIFFUSE, white);
|
||||
glLightfv(GL_LIGHT0, GL_SPECULAR, black);
|
||||
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
|
||||
|
||||
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
|
||||
|
||||
glEnable(GL_LIGHTING);
|
||||
glEnable(GL_LIGHT0);
|
||||
glEnable(GL_NORMALIZE);
|
||||
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
|
||||
glEnable(GL_COLOR_MATERIAL);
|
||||
}
|
||||
|
||||
// Render the output using simple OpenGL
|
||||
void displayCall()
|
||||
{
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
|
||||
glMatrixMode(GL_PROJECTION);
|
||||
glLoadIdentity();
|
||||
gluPerspective(45.0f, 1.0f, 1.0f, 20.0f);
|
||||
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
glLoadIdentity();
|
||||
gluLookAt(0.0f, 0.0f, 3.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f);
|
||||
|
||||
glPushMatrix();
|
||||
float rotationMatrix[16];
|
||||
qrot.getRotMat(rotationMatrix);
|
||||
glMultMatrixf(rotationMatrix);
|
||||
glTranslatef(-0.5f, -0.5f, -0.5f);
|
||||
|
||||
glColor3f(0.1f, 0.1f, 0.6f);
|
||||
|
||||
glBegin(GL_TRIANGLES);
|
||||
for (vtkm::IdComponent i = 0; i < verticesArray.GetNumberOfValues(); i++)
|
||||
{
|
||||
vtkm::Vec<vtkm::Float32, 3> curNormal = normalsArray.GetPortalConstControl().Get(i);
|
||||
vtkm::Vec<vtkm::Float32, 3> curVertex = verticesArray.GetPortalConstControl().Get(i);
|
||||
glNormal3f(curNormal[0], curNormal[1], curNormal[2]);
|
||||
glVertex3f(curVertex[0], curVertex[1], curVertex[2]);
|
||||
}
|
||||
glEnd();
|
||||
|
||||
glPopMatrix();
|
||||
glutSwapBuffers();
|
||||
}
|
||||
|
||||
// Allow rotations of the view
|
||||
void mouseMove(int x, int y)
|
||||
{
|
||||
vtkm::Float32 dx = static_cast<vtkm::Float32>(x - lastx);
|
||||
vtkm::Float32 dy = static_cast<vtkm::Float32>(y - lasty);
|
||||
|
||||
if (mouse_state == 0)
|
||||
{
|
||||
Quaternion newRotX;
|
||||
newRotX.setEulerAngles(-0.2f * dx * vtkm::Pi_180f(), 0.0f, 0.0f);
|
||||
qrot.mul(newRotX);
|
||||
|
||||
Quaternion newRotY;
|
||||
newRotY.setEulerAngles(0.0f, 0.0f, -0.2f * dy * vtkm::Pi_180f());
|
||||
qrot.mul(newRotY);
|
||||
}
|
||||
lastx = x;
|
||||
lasty = y;
|
||||
|
||||
glutPostRedisplay();
|
||||
}
|
||||
|
||||
// Respond to mouse button
|
||||
void mouseCall(int button, int state, int x, int y)
|
||||
{
|
||||
if (button == 0)
|
||||
mouse_state = state;
|
||||
if ((button == 0) && (state == 0))
|
||||
{
|
||||
lastx = x;
|
||||
lasty = y;
|
||||
}
|
||||
}
|
||||
|
||||
// Compute and render an isosurface for a uniform grid example
|
||||
int main(int argc, char* argv[])
|
||||
{
|
||||
//parse out all vtk-m related command line options
|
||||
auto opts =
|
||||
vtkm::cont::InitializeOptions::DefaultAnyDevice | vtkm::cont::InitializeOptions::Strict;
|
||||
vtkm::cont::Initialize(argc, argv, opts);
|
||||
|
||||
vtkm::cont::DataSet dataSet = MakeIsosurfaceTestDataSet(dims);
|
||||
|
||||
vtkm::Plane plane(vtkm::make_Vec(0.5, 0.5, 0.5), vtkm::make_Vec(1, 1, 1));
|
||||
vtkm::filter::ClipWithImplicitFunction clip;
|
||||
clip.SetImplicitFunction(vtkm::cont::make_ImplicitFunctionHandle(plane));
|
||||
vtkm::cont::DataSet clipped = clip.Execute(dataSet);
|
||||
|
||||
vtkm::filter::Contour filter;
|
||||
filter.SetGenerateNormals(true);
|
||||
filter.SetMergeDuplicatePoints(false);
|
||||
filter.SetIsoValue(0, 0.5);
|
||||
filter.SetActiveField("nodevar");
|
||||
filter.SetFieldsToPass({ "nodevar" });
|
||||
|
||||
vtkm::cont::DataSet outputData = filter.Execute(clipped);
|
||||
|
||||
//need to extract vertices, normals, and scalars
|
||||
using VertType = vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32, 3>>;
|
||||
vtkm::cont::CoordinateSystem coords = outputData.GetCoordinateSystem();
|
||||
|
||||
verticesArray = coords.GetData().Cast<VertType>();
|
||||
normalsArray = outputData.GetField("normals").GetData().Cast<VertType>();
|
||||
scalarsArray =
|
||||
outputData.GetField("nodevar").GetData().Cast<vtkm::cont::ArrayHandle<vtkm::Float32>>();
|
||||
|
||||
std::cout << "Number of output vertices: " << verticesArray.GetNumberOfValues() << std::endl;
|
||||
|
||||
std::cout << "vertices: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(verticesArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
std::cout << "normals: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(normalsArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
std::cout << "scalars: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(scalarsArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
|
||||
lastx = lasty = 0;
|
||||
glutInit(&argc, argv);
|
||||
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
|
||||
glutInitWindowSize(1000, 1000);
|
||||
glutCreateWindow("VTK-m Isosurface");
|
||||
initializeGL();
|
||||
glutDisplayFunc(displayCall);
|
||||
glutMotionFunc(mouseMove);
|
||||
glutMouseFunc(mouseCall);
|
||||
glutMainLoop();
|
||||
|
||||
verticesArray.ReleaseResources();
|
||||
normalsArray.ReleaseResources();
|
||||
scalarsArray.ReleaseResources();
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if (defined(VTKM_GCC) || defined(VTKM_CLANG))
|
||||
#pragma GCC diagnostic pop
|
||||
#endif
|
||||
@ -15,6 +15,8 @@
|
||||
#include <vtkm/cont/DataSet.h>
|
||||
#include <vtkm/cont/testing/Testing.h>
|
||||
|
||||
#include <vtkm/cont/ImplicitFunctionHandle.h>
|
||||
#include <vtkm/filter/ClipWithImplicitFunction.h>
|
||||
#include <vtkm/worklet/Contour.h>
|
||||
#include <vtkm/worklet/DispatcherMapField.h>
|
||||
|
||||
@ -395,10 +397,65 @@ void TestContourExplicit()
|
||||
"Wrong scalars result for Contour worklet");
|
||||
}
|
||||
|
||||
void TestContourClipped()
|
||||
{
|
||||
std::cout << "Testing Contour worklet on a clipped uniform grid" << std::endl;
|
||||
|
||||
vtkm::Id3 dims(4, 4, 4);
|
||||
vtkm::cont::DataSet dataSet = vtkm_ut_mc_worklet::MakeIsosurfaceTestDataSet(dims);
|
||||
|
||||
vtkm::Plane plane(vtkm::make_Vec(0.5, 0.5, 0.5), vtkm::make_Vec(1, 1, 1));
|
||||
vtkm::filter::ClipWithImplicitFunction clip;
|
||||
clip.SetImplicitFunction(vtkm::cont::make_ImplicitFunctionHandle(plane));
|
||||
vtkm::cont::DataSet clipped = clip.Execute(dataSet);
|
||||
|
||||
vtkm::cont::CellSetExplicit<> cellSet;
|
||||
clipped.GetCellSet().CopyTo(cellSet);
|
||||
vtkm::cont::ArrayHandle<vtkm::Float32> pointFieldArray;
|
||||
clipped.GetField("nodevar").GetData().CopyTo(pointFieldArray);
|
||||
vtkm::cont::ArrayHandle<vtkm::FloatDefault> cellFieldArray;
|
||||
clipped.GetField("cellvar").GetData().CopyTo(cellFieldArray);
|
||||
|
||||
vtkm::Float32 contourValue = 0.5f;
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f_32> verticesArray;
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f_32> normalsArray;
|
||||
vtkm::cont::ArrayHandle<vtkm::Float32> scalarsArray;
|
||||
|
||||
vtkm::worklet::Contour isosurfaceFilter;
|
||||
isosurfaceFilter.SetMergeDuplicatePoints(false);
|
||||
|
||||
auto result = isosurfaceFilter.Run(&contourValue,
|
||||
1,
|
||||
cellSet,
|
||||
dataSet.GetCoordinateSystem(),
|
||||
pointFieldArray,
|
||||
verticesArray,
|
||||
normalsArray);
|
||||
|
||||
scalarsArray = isosurfaceFilter.ProcessPointField(pointFieldArray);
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::FloatDefault> cellFieldArrayOut;
|
||||
cellFieldArrayOut = isosurfaceFilter.ProcessCellField(cellFieldArray);
|
||||
|
||||
std::cout << "vertices: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(verticesArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
std::cout << "normals: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(normalsArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
std::cout << "scalars: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(scalarsArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
std::cout << "cell field: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(cellFieldArrayOut, std::cout);
|
||||
std::cout << std::endl;
|
||||
}
|
||||
|
||||
void TestContour()
|
||||
{
|
||||
TestContourUniformGrid();
|
||||
TestContourExplicit();
|
||||
TestContourClipped();
|
||||
}
|
||||
|
||||
int UnitTestContour(int argc, char* argv[])
|
||||
|
||||
Loading…
Reference in New Issue
Block a user