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https://gitlab.kitware.com/vtk/vtk-m
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add normalization bypass for nodal scalars
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@ -307,18 +307,30 @@ public:
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private:
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private:
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Precision MinScalar;
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Precision MinScalar;
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Precision invDeltaScalar;
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Precision invDeltaScalar;
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bool Normalize;
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public:
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public:
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VTKM_CONT
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VTKM_CONT
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NodalScalar(const vtkm::Float32& minScalar, const vtkm::Float32& maxScalar)
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NodalScalar(const vtkm::Float32& minScalar, const vtkm::Float32& maxScalar)
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: MinScalar(minScalar)
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: MinScalar(minScalar)
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{
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{
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//Make sure the we don't divide by zero on
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Normalize = true;
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//something like an iso-surface
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if (minScalar > maxScalar)
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if (maxScalar - MinScalar != 0.f)
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{
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invDeltaScalar = 1.f / (maxScalar - MinScalar);
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// support the scalar renderer
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Normalize = false;
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MinScalar = 0;
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invDeltaScalar = 1;
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}
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else
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else
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invDeltaScalar = 1.f / minScalar;
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{
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//Make sure the we don't divide by zero on
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//something like an iso-surface
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if (maxScalar - MinScalar != 0.f)
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invDeltaScalar = 1.f / (maxScalar - MinScalar);
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else
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invDeltaScalar = 1.f / minScalar;
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}
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}
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}
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typedef void ControlSignature(FieldIn, FieldOut, WholeArrayIn, WholeArrayIn);
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typedef void ControlSignature(FieldIn, FieldOut, WholeArrayIn, WholeArrayIn);
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@ -338,8 +350,10 @@ public:
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//Todo: one normalization
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//Todo: one normalization
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scalar = Precision(scalars.Get(indices[0]));
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scalar = Precision(scalars.Get(indices[0]));
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//normalize
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if (Normalize)
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scalar = (scalar - MinScalar) * invDeltaScalar;
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{
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scalar = (scalar - MinScalar) * invDeltaScalar;
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}
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}
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}
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}; //class LerpScalar
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}; //class LerpScalar
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