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https://gitlab.kitware.com/vtk/vtk-m
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LookupTable: Shift computed idx by 1
The below range value is at index 0 and the actual table begins fron index 1.
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@ -466,14 +466,14 @@ void TestLookupTable()
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const bool ran = vtkm::cont::ColorTableMap(field, samples, colors);
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VTKM_TEST_ASSERT(ran, "color table failed to execute");
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//values confirmed with ParaView 5.4
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//values confirmed with ParaView 5.11
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CheckColors(colors,
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{ { 0, 0, 255 },
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{ 59, 76, 192 },
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{ 122, 157, 248 },
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{ 191, 211, 246 },
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{ 241, 204, 184 },
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{ 238, 134, 105 },
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{ 124, 159, 249 },
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{ 192, 212, 245 },
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{ 242, 203, 183 },
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{ 238, 133, 104 },
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{ 180, 4, 38 },
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{ 255, 0, 0 } });
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}
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@ -42,10 +42,10 @@ void TestFieldToColors()
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vtkm::cont::ArrayHandle<vtkm::Vec4ui_8> resultRGBAHandle;
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Result.GetData().AsArrayHandle(resultRGBAHandle);
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//values confirmed with ParaView 5.4
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//values confirmed with ParaView 5.11
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const vtkm::Vec4ui_8 correct_diverging_rgba_values[nvals] = {
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{ 0, 0, 255, 255 }, { 59, 76, 192, 255 }, { 122, 157, 248, 255 }, { 191, 211, 246, 255 },
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{ 241, 204, 184, 255 }, { 238, 134, 105, 255 }, { 180, 4, 38, 255 }, { 255, 0, 0, 255 }
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{ 0, 0, 255, 255 }, { 59, 76, 192, 255 }, { 124, 159, 249, 255 }, { 192, 212, 245, 255 },
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{ 242, 203, 183, 255 }, { 238, 133, 104, 255 }, { 180, 4, 38, 255 }, { 255, 0, 0, 255 }
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};
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auto portalRGBA = resultRGBAHandle.ReadPortal();
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for (std::size_t i = 0; i < nvals; ++i)
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@ -63,10 +63,10 @@ void TestFieldToColors()
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vtkm::cont::ArrayHandle<vtkm::Vec3ui_8> resultRGBHandle;
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Result.GetData().AsArrayHandle(resultRGBHandle);
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//values confirmed with ParaView 5.4
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//values confirmed with ParaView 5.11
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const vtkm::Vec3ui_8 correct_diverging_rgb_values[nvals] = { { 0, 0, 255 }, { 59, 76, 192 },
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{ 122, 157, 248 }, { 191, 211, 246 },
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{ 241, 204, 184 }, { 238, 134, 105 },
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{ 124, 159, 249 }, { 192, 212, 245 },
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{ 242, 203, 183 }, { 238, 133, 104 },
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{ 180, 4, 38 }, { 255, 0, 0 } };
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auto portalRGB = resultRGBHandle.ReadPortal();
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for (std::size_t i = 0; i < nvals; ++i)
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@ -94,7 +94,7 @@ struct LookupTable : public vtkm::worklet::WorkletMapField
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// When v is very close to p.Range[1], the floating point calculation giving
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// idx may map above the highest value in the lookup table. That is why it
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// is padded
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idx = static_cast<vtkm::Int32>(v);
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idx = 1 + static_cast<vtkm::Int32>(v);
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}
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output = lookupTable.Get(idx);
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}
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