mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 21:33:55 +00:00
a3b2c3931d
The problem is that there is no good "default" constructor for ColorTable. The previous default constructor created an empty color table, but that would be confusing if someone actually tried to use it. We could set ot to the default preset, but the default preset uses the diverging color map, which could foul people up if they actually want to edit or create their own color map. Instead, force the declaration of ColorTable to indicate what you plan to do with it.
151 lines
4.5 KiB
C++
151 lines
4.5 KiB
C++
//============================================================================
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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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// 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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// Copyright 2016 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/rendering/Actor.h>
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#include <vtkm/Assert.h>
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#include <vtkm/cont/TryExecute.h>
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namespace vtkm
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{
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namespace rendering
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{
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struct Actor::InternalsType
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{
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vtkm::cont::DynamicCellSet Cells;
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vtkm::cont::CoordinateSystem Coordinates;
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vtkm::cont::Field ScalarField;
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vtkm::cont::ColorTable ColorTable;
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vtkm::Range ScalarRange;
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vtkm::Bounds SpatialBounds;
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VTKM_CONT
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InternalsType(const vtkm::cont::DynamicCellSet& cells,
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const vtkm::cont::CoordinateSystem& coordinates,
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const vtkm::cont::Field& scalarField,
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const vtkm::rendering::Color& color)
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: Cells(cells)
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, Coordinates(coordinates)
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, ScalarField(scalarField)
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, ColorTable(vtkm::Range{ 0, 1 }, color.Components, color.Components)
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{
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}
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VTKM_CONT
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InternalsType(const vtkm::cont::DynamicCellSet& cells,
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const vtkm::cont::CoordinateSystem& coordinates,
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const vtkm::cont::Field& scalarField,
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const vtkm::cont::ColorTable& colorTable = vtkm::cont::ColorTable::Preset::DEFAULT)
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: Cells(cells)
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, Coordinates(coordinates)
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, ScalarField(scalarField)
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, ColorTable(colorTable)
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{
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}
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};
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Actor::Actor(const vtkm::cont::DynamicCellSet& cells,
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const vtkm::cont::CoordinateSystem& coordinates,
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const vtkm::cont::Field& scalarField)
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: Internals(new InternalsType(cells, coordinates, scalarField))
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{
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this->Init(coordinates, scalarField);
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}
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Actor::Actor(const vtkm::cont::DynamicCellSet& cells,
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const vtkm::cont::CoordinateSystem& coordinates,
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const vtkm::cont::Field& scalarField,
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const vtkm::rendering::Color& color)
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: Internals(new InternalsType(cells, coordinates, scalarField, color))
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{
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this->Init(coordinates, scalarField);
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}
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Actor::Actor(const vtkm::cont::DynamicCellSet& cells,
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const vtkm::cont::CoordinateSystem& coordinates,
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const vtkm::cont::Field& scalarField,
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const vtkm::cont::ColorTable& colorTable)
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: Internals(new InternalsType(cells, coordinates, scalarField, colorTable))
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{
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this->Init(coordinates, scalarField);
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}
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void Actor::Init(const vtkm::cont::CoordinateSystem& coordinates,
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const vtkm::cont::Field& scalarField)
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{
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VTKM_ASSERT(scalarField.GetData().GetNumberOfComponents() == 1);
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scalarField.GetRange(&this->Internals->ScalarRange);
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this->Internals->SpatialBounds = coordinates.GetBounds();
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}
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void Actor::Render(vtkm::rendering::Mapper& mapper,
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vtkm::rendering::Canvas& canvas,
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const vtkm::rendering::Camera& camera) const
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{
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mapper.SetCanvas(&canvas);
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mapper.SetActiveColorTable(this->Internals->ColorTable);
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mapper.RenderCells(this->Internals->Cells,
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this->Internals->Coordinates,
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this->Internals->ScalarField,
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this->Internals->ColorTable,
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camera,
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this->Internals->ScalarRange);
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}
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const vtkm::cont::DynamicCellSet& Actor::GetCells() const
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{
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return this->Internals->Cells;
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}
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const vtkm::cont::CoordinateSystem& Actor::GetCoordinates() const
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{
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return this->Internals->Coordinates;
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}
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const vtkm::cont::Field& Actor::GetScalarField() const
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{
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return this->Internals->ScalarField;
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}
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const vtkm::cont::ColorTable& Actor::GetColorTable() const
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{
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return this->Internals->ColorTable;
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}
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const vtkm::Range& Actor::GetScalarRange() const
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{
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return this->Internals->ScalarRange;
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}
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const vtkm::Bounds& Actor::GetSpatialBounds() const
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{
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return this->Internals->SpatialBounds;
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}
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void Actor::SetScalarRange(const vtkm::Range& scalarRange)
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{
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this->Internals->ScalarRange = scalarRange;
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}
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}
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} // namespace vtkm::rendering
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