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fix README.md code example

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Vicente Adolfo Bolea Sanchez 2020-02-14 11:37:54 -05:00
parent 37128fc151
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README.md
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@ -149,6 +149,20 @@ Below is a simple example of using VTK-m to load a VTK image file, run the
Marching Cubes algorithm on it, and render the results to an image: Marching Cubes algorithm on it, and render the results to an image:
```cpp ```cpp
#include <vtkm/Bounds.h>
#include <vtkm/Range.h>
#include <vtkm/cont/ColorTable.h>
#include <vtkm/filter/Contour.h>
#include <vtkm/io/reader/VTKDataSetReader.h>
#include <vtkm/rendering/Actor.h>
#include <vtkm/rendering/Camera.h>
#include <vtkm/rendering/CanvasRayTracer.h>
#include <vtkm/rendering/Color.h>
#include <vtkm/rendering/MapperRayTracer.h>
#include <vtkm/rendering/Scene.h>
#include <vtkm/rendering/View3D.h>
#include <vtkm/worklet/Normalize.h>
vtkm::io::reader::VTKDataSetReader reader("path/to/vtk_image_file"); vtkm::io::reader::VTKDataSetReader reader("path/to/vtk_image_file");
vtkm::cont::DataSet inputData = reader.ReadDataSet(); vtkm::cont::DataSet inputData = reader.ReadDataSet();
std::string fieldName = "scalars"; std::string fieldName = "scalars";
@ -199,6 +213,19 @@ view.Paint();
view.SaveAs("demo_output.pnm"); view.SaveAs("demo_output.pnm");
``` ```
A minimal CMakeLists.txt such as the following one can be used to build this
example.
```CMake
project(example)
set(VTKm_DIR "/somepath/lib/cmake/vtkm-XYZ")
find_package(VTKm REQUIRED)
add_executable(example example.cxx)
target_link_libraries(example vtkm_cont vtkm_rendering)
```
## License ## ## License ##