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123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkGeoImageNode.h
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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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/**
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* @class vtkGeoImageNode
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* @brief A node in a multi-resolution image tree.
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*
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*
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* vtkGeoImageNode contains an image tile in a multi-resolution image tree,
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* along with metadata about that image's extents.
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*
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* @sa
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* vtkGeoTreeNode vtkGeoTerrainNode
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*/
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#ifndef vtkGeoImageNode_h
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#define vtkGeoImageNode_h
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#include "vtkGeovisCoreModule.h" // For export macro
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#include "vtkGeoTreeNode.h"
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#include "vtkSmartPointer.h" // for SP
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#include "vtkImageData.h" // for SP
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class vtkPolyData;
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class vtkTexture;
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class VTKGEOVISCORE_EXPORT vtkGeoImageNode : public vtkGeoTreeNode
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{
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public:
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static vtkGeoImageNode *New();
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vtkTypeMacro(vtkGeoImageNode, vtkGeoTreeNode);
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void PrintSelf(ostream& os, vtkIndent indent);
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//@{
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/**
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* Every subclass implements these methods returning the specific type.
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* This is easier than templating.
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*/
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vtkGeoImageNode* GetChild(int idx);
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vtkGeoImageNode* GetParent();
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//@}
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//@{
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/**
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* Get the image tile.
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*/
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vtkImageData* GetImage();
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void SetImage(vtkImageData* image);
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//@}
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//@{
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/**
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* Get the image tile.
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*/
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vtkTexture* GetTexture();
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void SetTexture(vtkTexture* texture);
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//@}
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/**
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* This crops the image as small as possible while still covering the
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* patch. The Longitude Latitude range may get bigger to reflect the
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* actual size of the image.
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* If prefix is specified, writes the tile to that location.
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*/
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void CropImageForTile(vtkImageData* image,double* imageLonLatExt,
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const char* prefix = 0);
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/**
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* This loads the image from a tile database at the specified location.
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*/
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void LoadAnImage(const char* prefix);
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//@{
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/**
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* Shallow and Deep copy.
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*/
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virtual void ShallowCopy(vtkGeoTreeNode *src);
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virtual void DeepCopy(vtkGeoTreeNode *src);
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//@}
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// Returns whether this node has valid data associated
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// with it, or if it is an "empty" node.
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virtual bool HasData();
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/**
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* Deletes the data associated with the node to make this
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* an "empty" node. This is performed when the node has
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* been unused for a certain amount of time.
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*/
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virtual void DeleteData();
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protected:
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vtkGeoImageNode();
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~vtkGeoImageNode();
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int PowerOfTwo(int val);
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vtkSmartPointer<vtkImageData> Image;
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vtkSmartPointer<vtkTexture> Texture;
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private:
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vtkGeoImageNode(const vtkGeoImageNode&) VTK_DELETE_FUNCTION;
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void operator=(const vtkGeoImageNode&) VTK_DELETE_FUNCTION;
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};
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#endif
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