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remove confusing parts of the README example code

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Vicente Adolfo Bolea Sanchez 2020-02-17 10:51:42 -05:00
parent 8dcd024228
commit ba030da1d6
1 changed files with 0 additions and 12 deletions
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README.md
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@ -161,7 +161,6 @@ Marching Cubes algorithm on it, and render the results to an image:
#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::cont::DataSet inputData = reader.ReadDataSet();
@ -179,21 +178,10 @@ vtkm::cont::DataSet outputData = filter.Execute(inputData);
// compute the bounds and extends of the input data
vtkm::Bounds coordsBounds = inputData.GetCoordinateSystem().GetBounds();
vtkm::Vec<vtkm::Float64,3> totalExtent( coordsBounds.X.Length(),
coordsBounds.Y.Length(),
coordsBounds.Z.Length() );
vtkm::Float64 mag = vtkm::Magnitude(totalExtent);
vtkm::Normalize(totalExtent);
// setup a camera and point it to towards the center of the input data
vtkm::rendering::Camera camera;
camera.ResetToBounds(coordsBounds);
camera.SetLookAt(totalExtent*(mag * .5f));
camera.SetViewUp(vtkm::make_Vec(0.f, 1.f, 0.f));
camera.SetClippingRange(1.f, 100.f);
camera.SetFieldOfView(60.f);
camera.SetPosition(totalExtent*(mag * 2.f));
vtkm::cont::ColorTable colorTable("inferno");
// Create a mapper, canvas and view that will be used to render the scene