mirror of
https://github.com/OpenFOAM/ThirdParty-6.git
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137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkGeoGlobeSource.cxx
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm 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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/*-------------------------------------------------------------------------
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Copyright 2008 Sandia Corporation.
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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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#include "vtkGeoGlobeSource.h"
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#include "vtkGeoTerrainNode.h"
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#include "vtkGlobeSource.h"
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#include "vtkObjectFactory.h"
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#include "vtkSmartPointer.h"
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vtkStandardNewMacro(vtkGeoGlobeSource);
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//----------------------------------------------------------------------------
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vtkGeoGlobeSource::vtkGeoGlobeSource()
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{
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}
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//----------------------------------------------------------------------------
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vtkGeoGlobeSource::~vtkGeoGlobeSource()
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{
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}
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//----------------------------------------------------------------------------
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bool vtkGeoGlobeSource::FetchRoot(vtkGeoTreeNode* r)
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{
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vtkGeoTerrainNode* root = 0;
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if (!(root = vtkGeoTerrainNode::SafeDownCast(r)))
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{
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vtkErrorMacro(<< "Can only fetch surface nodes from this source.");
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}
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vtkSmartPointer<vtkGlobeSource> source =
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vtkSmartPointer<vtkGlobeSource>::New();
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source->SetStartLatitude(-90.0);
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source->SetEndLatitude(90.0);
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source->SetStartLongitude(-180.0);
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source->SetEndLongitude(180.0);
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source->SetLatitudeResolution(20);
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source->SetLongitudeResolution(20);
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source->SetCurtainHeight(2000);
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source->Update();
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root->GetModel()->ShallowCopy(source->GetOutput());
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root->SetLatitudeRange(-90, 90);
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root->SetLongitudeRange(-180, 180);
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root->UpdateBoundingSphere();
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// Make sure bounds are up to date so we don't have threading issues
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// when we hand this off to the main thread.
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root->GetModel()->ComputeBounds();
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return true;
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}
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//----------------------------------------------------------------------------
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bool vtkGeoGlobeSource::FetchChild(vtkGeoTreeNode* p, int index, vtkGeoTreeNode* c)
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{
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vtkGeoTerrainNode* parent = 0;
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if (!(parent = vtkGeoTerrainNode::SafeDownCast(p)))
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{
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vtkErrorMacro(<< "Can only fetch surface nodes from this source.");
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}
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vtkGeoTerrainNode* child = 0;
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if (!(child = vtkGeoTerrainNode::SafeDownCast(c)))
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{
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vtkErrorMacro(<< "Can only fetch surface nodes from this source.");
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}
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double lonRange[2];
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double latRange[2];
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double center[2];
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parent->GetLongitudeRange(lonRange);
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parent->GetLatitudeRange(latRange);
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center[0] = (lonRange[1] + lonRange[0])/2.0;
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center[1] = (latRange[1] + latRange[0])/2.0;
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int level = parent->GetLevel() + 1;
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child->SetLevel(level);
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if (index / 2)
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{
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child->SetLatitudeRange(center[1], latRange[1]);
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}
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else
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{
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child->SetLatitudeRange(latRange[0], center[1]);
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}
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if (index % 2)
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{
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child->SetLongitudeRange(center[0], lonRange[1]);
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}
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else
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{
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child->SetLongitudeRange(lonRange[0], center[0]);
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}
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int id = 0;
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id = parent->GetId() | (index << (2*level - 2));
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child->SetId(id);
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vtkSmartPointer<vtkGlobeSource> source =
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vtkSmartPointer<vtkGlobeSource>::New();
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source->SetStartLatitude(child->GetLatitudeRange()[0]);
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source->SetEndLatitude(child->GetLatitudeRange()[1]);
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source->SetStartLongitude(child->GetLongitudeRange()[0]);
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source->SetEndLongitude(child->GetLongitudeRange()[1]);
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source->SetCurtainHeight(2000);
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source->Update();
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child->GetModel()->ShallowCopy(source->GetOutput());
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child->UpdateBoundingSphere();
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// Make sure bounds are up to date so we don't have threading issues
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// when we hand this off to the main thread.
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child->GetModel()->ComputeBounds();
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return true;
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}
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//----------------------------------------------------------------------------
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void vtkGeoGlobeSource::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os, indent);
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}
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