mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
eb9288cb1a
The rendering classes do not actually manage windows, and window was not descriptive of what this class was doing. We decided that the class was mostly analogous to what we call a "view" in ParaView.
321 lines
12 KiB
C++
321 lines
12 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 2015 Sandia Corporation.
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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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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#ifndef vtk_m_rendering_View_h
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#define vtk_m_rendering_View_h
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/rendering/BoundingBoxAnnotation.h>
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#include <vtkm/rendering/AxisAnnotation3D.h>
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#include <vtkm/rendering/AxisAnnotation2D.h>
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#include <vtkm/rendering/Camera.h>
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#include <vtkm/rendering/Color.h>
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#include <vtkm/rendering/ColorBarAnnotation.h>
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#include <vtkm/rendering/TextAnnotation.h>
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#include <vtkm/rendering/Scene.h>
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namespace vtkm {
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namespace rendering {
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template<typename MapperType,
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typename SurfaceType,
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typename WorldAnnotatorType>
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class View
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{
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public:
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MapperType Mapper;
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SurfaceType Surface;
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vtkm::rendering::Camera Camera;
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Color BackgroundColor;
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WorldAnnotatorType WorldAnnotator;
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View(const MapperType &mapper,
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const SurfaceType &surface,
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const vtkm::rendering::Camera &camera,
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const vtkm::rendering::Color &backgroundColor =
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vtkm::rendering::Color(0,0,0,1))
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: Mapper(mapper),
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Surface(surface),
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Camera(camera),
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BackgroundColor(backgroundColor)
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{
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this->Mapper.SetBackgroundColor(this->BackgroundColor);
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}
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VTKM_CONT_EXPORT
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virtual void Initialize() {this->Surface.Initialize();}
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VTKM_CONT_EXPORT
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virtual void Paint() = 0;
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VTKM_CONT_EXPORT
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virtual void RenderScreenAnnotations() {}
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VTKM_CONT_EXPORT
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virtual void RenderWorldAnnotations() {}
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VTKM_CONT_EXPORT
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void SaveAs(const std::string &fileName)
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{
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this->Surface.SaveAs(fileName);
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}
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protected:
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VTKM_CONT_EXPORT
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void SetupForWorldSpace(bool viewportClip=true)
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{
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//this->Camera.SetupMatrices();
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this->Surface.SetViewToWorldSpace(this->Camera,viewportClip);
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}
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VTKM_CONT_EXPORT
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void SetupForScreenSpace(bool viewportClip=false)
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{
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//this->Camera.SetupMatrices();
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this->Surface.SetViewToScreenSpace(this->Camera,viewportClip);
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}
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};
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// View2D View3D
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template<typename MapperType,
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typename SurfaceType,
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typename WorldAnnotatorType>
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class View3D : public View<MapperType, SurfaceType,WorldAnnotatorType>
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{
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typedef View<MapperType, SurfaceType,WorldAnnotatorType> Superclass;
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public:
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vtkm::rendering::Scene Scene;
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// 3D-specific annotations
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vtkm::rendering::BoundingBoxAnnotation BoxAnnotation;
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vtkm::rendering::AxisAnnotation3D XAxisAnnotation;
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vtkm::rendering::AxisAnnotation3D YAxisAnnotation;
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vtkm::rendering::AxisAnnotation3D ZAxisAnnotation;
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vtkm::rendering::ColorBarAnnotation ColorBarAnnotation;
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VTKM_CONT_EXPORT
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View3D(const vtkm::rendering::Scene &scene,
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const MapperType &mapper,
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const SurfaceType &surface,
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const vtkm::rendering::Camera &camera,
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const vtkm::rendering::Color &backgroundColor =
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vtkm::rendering::Color(0,0,0,1))
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: Superclass(mapper,surface,camera,backgroundColor),
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Scene(scene)
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{
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}
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VTKM_CONT_EXPORT
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virtual void Paint()
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{
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this->Surface.Activate();
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this->Surface.Clear();
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this->SetupForWorldSpace();
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this->Scene.Render(this->Mapper, this->Surface, this->Camera);
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this->RenderWorldAnnotations();
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this->SetupForScreenSpace();
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this->RenderScreenAnnotations();
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this->Surface.Finish();
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}
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VTKM_CONT_EXPORT
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virtual void RenderScreenAnnotations()
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{
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if (this->Scene.Actors.size() > 0)
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{
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//this->ColorBarAnnotation.SetAxisColor(vtkm::rendering::Color(1,1,1));
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this->ColorBarAnnotation.SetRange(this->Scene.Actors[0].ScalarRange, 5);
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this->ColorBarAnnotation.SetColorTable(this->Scene.Actors[0].ColorTable);
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this->ColorBarAnnotation.Render(this->Camera, this->WorldAnnotator, this->Surface);
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}
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}
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VTKM_CONT_EXPORT
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virtual void RenderWorldAnnotations()
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{
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vtkm::Bounds bounds = this->Scene.GetSpatialBounds();
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vtkm::Float64 xmin = bounds.X.Min, xmax = bounds.X.Max;
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vtkm::Float64 ymin = bounds.Y.Min, ymax = bounds.Y.Max;
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vtkm::Float64 zmin = bounds.Z.Min, zmax = bounds.Z.Max;
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vtkm::Float64 dx = xmax-xmin, dy = ymax-ymin, dz = zmax-zmin;
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vtkm::Float64 size = vtkm::Sqrt(dx*dx + dy*dy + dz*dz);
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this->BoxAnnotation.SetColor(Color(.5f,.5f,.5f));
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this->BoxAnnotation.SetExtents(this->Scene.GetSpatialBounds());
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this->BoxAnnotation.Render(this->Camera, this->WorldAnnotator);
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bool xtest = this->Camera.Camera3d.LookAt[0] > this->Camera.Camera3d.Position[0];
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bool ytest = this->Camera.Camera3d.LookAt[1] > this->Camera.Camera3d.Position[1];
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bool ztest = this->Camera.Camera3d.LookAt[2] > this->Camera.Camera3d.Position[2];
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const bool outsideedges = true; // if false, do closesttriad
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if (outsideedges)
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{
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xtest = !xtest;
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//ytest = !ytest;
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}
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vtkm::Float64 xrel = vtkm::Abs(dx) / size;
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vtkm::Float64 yrel = vtkm::Abs(dy) / size;
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vtkm::Float64 zrel = vtkm::Abs(dz) / size;
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this->XAxisAnnotation.SetAxis(0);
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this->XAxisAnnotation.SetColor(Color(1,1,1));
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this->XAxisAnnotation.SetTickInvert(xtest,ytest,ztest);
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this->XAxisAnnotation.SetWorldPosition(xmin,
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ytest ? ymin : ymax,
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ztest ? zmin : zmax,
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xmax,
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ytest ? ymin : ymax,
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ztest ? zmin : zmax);
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this->XAxisAnnotation.SetRange(xmin, xmax);
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this->XAxisAnnotation.SetMajorTickSize(size / 40.f, 0);
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this->XAxisAnnotation.SetMinorTickSize(size / 80.f, 0);
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this->XAxisAnnotation.SetLabelFontOffset(vtkm::Float32(size / 15.f));
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this->XAxisAnnotation.SetMoreOrLessTickAdjustment(xrel < .3 ? -1 : 0);
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this->XAxisAnnotation.Render(this->Camera, this->WorldAnnotator, this->Surface);
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this->YAxisAnnotation.SetAxis(1);
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this->YAxisAnnotation.SetColor(Color(1,1,1));
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this->YAxisAnnotation.SetTickInvert(xtest,ytest,ztest);
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this->YAxisAnnotation.SetWorldPosition(xtest ? xmin : xmax,
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ymin,
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ztest ? zmin : zmax,
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xtest ? xmin : xmax,
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ymax,
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ztest ? zmin : zmax);
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this->YAxisAnnotation.SetRange(ymin, ymax);
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this->YAxisAnnotation.SetMajorTickSize(size / 40.f, 0);
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this->YAxisAnnotation.SetMinorTickSize(size / 80.f, 0);
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this->YAxisAnnotation.SetLabelFontOffset(vtkm::Float32(size / 15.f));
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this->YAxisAnnotation.SetMoreOrLessTickAdjustment(yrel < .3 ? -1 : 0);
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this->YAxisAnnotation.Render(this->Camera, this->WorldAnnotator, this->Surface);
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this->ZAxisAnnotation.SetAxis(2);
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this->ZAxisAnnotation.SetColor(Color(1,1,1));
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this->ZAxisAnnotation.SetTickInvert(xtest,ytest,ztest);
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this->ZAxisAnnotation.SetWorldPosition(xtest ? xmin : xmax,
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ytest ? ymin : ymax,
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zmin,
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xtest ? xmin : xmax,
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ytest ? ymin : ymax,
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zmax);
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this->ZAxisAnnotation.SetRange(zmin, zmax);
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this->ZAxisAnnotation.SetMajorTickSize(size / 40.f, 0);
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this->ZAxisAnnotation.SetMinorTickSize(size / 80.f, 0);
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this->ZAxisAnnotation.SetLabelFontOffset(vtkm::Float32(size / 15.f));
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this->ZAxisAnnotation.SetMoreOrLessTickAdjustment(zrel < .3 ? -1 : 0);
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this->ZAxisAnnotation.Render(this->Camera, this->WorldAnnotator, this->Surface);
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}
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};
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template<typename MapperType,
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typename SurfaceType,
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typename WorldAnnotatorType>
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class View2D : public View<MapperType, SurfaceType,WorldAnnotatorType>
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{
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typedef View<MapperType, SurfaceType,WorldAnnotatorType> Superclass;
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public:
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vtkm::rendering::Scene Scene;
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// 2D-specific annotations
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vtkm::rendering::AxisAnnotation2D HorizontalAxisAnnotation;
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vtkm::rendering::AxisAnnotation2D VerticalAxisAnnotation;
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vtkm::rendering::ColorBarAnnotation ColorBarAnnotation;
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VTKM_CONT_EXPORT
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View2D(const vtkm::rendering::Scene &scene,
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const MapperType &mapper,
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const SurfaceType &surface,
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const vtkm::rendering::Camera &camera,
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const vtkm::rendering::Color &backgroundColor =
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vtkm::rendering::Color(0,0,0,1))
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: Superclass(mapper, surface, camera, backgroundColor),
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Scene(scene)
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{
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}
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VTKM_CONT_EXPORT
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virtual void Paint()
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{
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this->Surface.Activate();
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this->Surface.Clear();
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this->SetupForWorldSpace();
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this->Scene.Render(this->Mapper, this->Surface, this->Camera);
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this->RenderWorldAnnotations();
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this->SetupForScreenSpace();
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this->RenderScreenAnnotations();
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this->Surface.Finish();
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}
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VTKM_CONT_EXPORT
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void RenderScreenAnnotations()
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{
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vtkm::Float32 viewportLeft;
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vtkm::Float32 viewportRight;
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vtkm::Float32 viewportTop;
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vtkm::Float32 viewportBottom;
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this->Camera.GetRealViewport(
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viewportLeft, viewportRight, viewportBottom, viewportTop);
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this->HorizontalAxisAnnotation.SetColor(vtkm::rendering::Color(1,1,1));
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this->HorizontalAxisAnnotation.SetScreenPosition(
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viewportLeft, viewportBottom, viewportRight, viewportBottom);
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this->HorizontalAxisAnnotation.SetRangeForAutoTicks(this->Camera.Camera2d.Left,
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this->Camera.Camera2d.Right);
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this->HorizontalAxisAnnotation.SetMajorTickSize(0, .05, 1.0);
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this->HorizontalAxisAnnotation.SetMinorTickSize(0, .02, 1.0);
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this->HorizontalAxisAnnotation.SetLabelAlignment(TextAnnotation::HCenter,
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TextAnnotation::Top);
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this->HorizontalAxisAnnotation.Render(
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this->Camera, this->WorldAnnotator, this->Surface);
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vtkm::Float32 windowaspect =
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vtkm::Float32(this->Camera.Width) / vtkm::Float32(this->Camera.Height);
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this->VerticalAxisAnnotation.SetColor(Color(1,1,1));
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this->VerticalAxisAnnotation.SetScreenPosition(
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viewportLeft, viewportBottom, viewportLeft, viewportTop);
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this->VerticalAxisAnnotation.SetRangeForAutoTicks(this->Camera.Camera2d.Bottom,
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this->Camera.Camera2d.Top);
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this->VerticalAxisAnnotation.SetMajorTickSize(.05 / windowaspect, 0, 1.0);
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this->VerticalAxisAnnotation.SetMinorTickSize(.02 / windowaspect, 0, 1.0);
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this->VerticalAxisAnnotation.SetLabelAlignment(TextAnnotation::Right,
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TextAnnotation::VCenter);
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this->VerticalAxisAnnotation.Render(
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this->Camera, this->WorldAnnotator, this->Surface);
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if (this->Scene.Actors.size() > 0)
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{
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//this->ColorBarAnnotation.SetAxisColor(vtkm::rendering::Color(1,1,1));
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this->ColorBarAnnotation.SetRange(this->Scene.Actors[0].ScalarRange.Min,
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this->Scene.Actors[0].ScalarRange.Max,
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5);
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this->ColorBarAnnotation.SetColorTable(this->Scene.Actors[0].ColorTable);
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this->ColorBarAnnotation.Render(
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this->Camera, this->WorldAnnotator, this->Surface);
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}
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}
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};
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}} //namespace vtkm::rendering
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#endif //vtk_m_rendering_View_h
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