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178 lines
6.8 KiB
178 lines
6.8 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkGlyphSource2D.h,v $
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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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// .NAME vtkGlyphSource2D - create 2D glyphs represented by vtkPolyData
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// .SECTION Description
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// vtkGlyphSource2D can generate a family of 2D glyphs each of which lies
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// in the x-y plane (i.e., the z-coordinate is zero). The class is a helper
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// class to be used with vtkGlyph2D and vtkXYPlotActor.
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//
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// To use this class, specify the glyph type to use and its
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// attributes. Attributes include its position (i.e., center point), scale,
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// color, and whether the symbol is filled or not (a polygon or closed line
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// sequence). You can also put a short line through the glyph running from -x
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// to +x (the glyph looks like it's on a line), or a cross.
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#ifndef __vtkGlyphSource2D_h
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#define __vtkGlyphSource2D_h
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#include "vtkPolyDataAlgorithm.h"
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#define VTK_NO_GLYPH 0
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#define VTK_VERTEX_GLYPH 1
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#define VTK_DASH_GLYPH 2
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#define VTK_CROSS_GLYPH 3
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#define VTK_THICKCROSS_GLYPH 4
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#define VTK_TRIANGLE_GLYPH 5
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#define VTK_SQUARE_GLYPH 6
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#define VTK_CIRCLE_GLYPH 7
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#define VTK_DIAMOND_GLYPH 8
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#define VTK_ARROW_GLYPH 9
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#define VTK_THICKARROW_GLYPH 10
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#define VTK_HOOKEDARROW_GLYPH 11
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class vtkPoints;
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class vtkUnsignedCharArray;
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class vtkCellArray;
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class VTK_GRAPHICS_EXPORT vtkGlyphSource2D : public vtkPolyDataAlgorithm
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{
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public:
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vtkTypeRevisionMacro(vtkGlyphSource2D,vtkPolyDataAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Construct a vertex glyph centered at the origin, scale 1.0, white in
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// color, filled, with line segment passing through the point.
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static vtkGlyphSource2D *New();
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// Description:
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// Set the center of the glyph. By default the center is (0,0,0).
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vtkSetVector3Macro(Center,double);
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vtkGetVectorMacro(Center,double,3);
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// Description:
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// Set the scale of the glyph. Note that the glyphs are designed
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// to fit in the (1,1) rectangle.
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vtkSetClampMacro(Scale,double,0.0,VTK_DOUBLE_MAX);
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vtkGetMacro(Scale,double);
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// Description:
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// Set the scale of optional portions of the glyph (e.g., the
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// dash and cross is DashOn() and CrossOn()).
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vtkSetClampMacro(Scale2,double,0.0,VTK_DOUBLE_MAX);
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vtkGetMacro(Scale2,double);
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// Description:
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// Set the color of the glyph. The default color is white.
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vtkSetVector3Macro(Color,double);
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vtkGetVectorMacro(Color,double,3);
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// Description:
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// Specify whether the glyph is filled (a polygon) or not (a
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// closed polygon defined by line segments). This only applies
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// to 2D closed glyphs.
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vtkSetMacro(Filled,int);
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vtkGetMacro(Filled,int);
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vtkBooleanMacro(Filled,int);
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// Description:
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// Specify whether a short line segment is drawn through the
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// glyph. (This is in addition to the glyph. If the glyph type
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// is set to "Dash" there is no need to enable this flag.)
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vtkSetMacro(Dash,int);
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vtkGetMacro(Dash,int);
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vtkBooleanMacro(Dash,int);
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// Description:
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// Specify whether a cross is drawn as part of the glyph. (This
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// is in addition to the glyph. If the glyph type is set to
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// "Cross" there is no need to enable this flag.)
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vtkSetMacro(Cross,int);
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vtkGetMacro(Cross,int);
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vtkBooleanMacro(Cross,int);
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// Description:
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// Specify an angle (in degrees) to rotate the glyph around
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// the z-axis. Using this ivar, it is possible to generate
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// rotated glyphs (e.g., crosses, arrows, etc.)
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vtkSetMacro(RotationAngle,double);
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vtkGetMacro(RotationAngle,double);
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// Description:
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// Specify the type of glyph to generate.
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vtkSetClampMacro(GlyphType,int,VTK_NO_GLYPH,VTK_HOOKEDARROW_GLYPH);
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vtkGetMacro(GlyphType,int);
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void SetGlyphTypeToNone() {this->SetGlyphType(VTK_NO_GLYPH);}
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void SetGlyphTypeToVertex() {this->SetGlyphType(VTK_VERTEX_GLYPH);}
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void SetGlyphTypeToDash() {this->SetGlyphType(VTK_DASH_GLYPH);}
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void SetGlyphTypeToCross() {this->SetGlyphType(VTK_CROSS_GLYPH);}
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void SetGlyphTypeToThickCross() {this->SetGlyphType(VTK_THICKCROSS_GLYPH);}
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void SetGlyphTypeToTriangle() {this->SetGlyphType(VTK_TRIANGLE_GLYPH);}
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void SetGlyphTypeToSquare() {this->SetGlyphType(VTK_SQUARE_GLYPH);}
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void SetGlyphTypeToCircle() {this->SetGlyphType(VTK_CIRCLE_GLYPH);}
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void SetGlyphTypeToDiamond() {this->SetGlyphType(VTK_DIAMOND_GLYPH);}
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void SetGlyphTypeToArrow() {this->SetGlyphType(VTK_ARROW_GLYPH);}
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void SetGlyphTypeToThickArrow() {this->SetGlyphType(VTK_THICKARROW_GLYPH);}
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void SetGlyphTypeToHookedArrow() {this->SetGlyphType(VTK_HOOKEDARROW_GLYPH);}
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protected:
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vtkGlyphSource2D();
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~vtkGlyphSource2D() {};
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int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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double Center[3];
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double Scale;
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double Scale2;
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double Color[3];
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int Filled;
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int Dash;
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int Cross;
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int GlyphType;
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double RotationAngle;
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void TransformGlyph(vtkPoints *pts);
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void ConvertColor();
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unsigned char RGB[3];
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void CreateVertex(vtkPoints *pts, vtkCellArray *verts,
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vtkUnsignedCharArray *colors);
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void CreateDash(vtkPoints *pts, vtkCellArray *lines,
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vtkCellArray *polys, vtkUnsignedCharArray *colors, double scale);
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void CreateCross(vtkPoints *pts, vtkCellArray *lines,
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vtkCellArray *polys, vtkUnsignedCharArray *colors, double scale);
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void CreateThickCross(vtkPoints *pts, vtkCellArray *lines,
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vtkCellArray *polys, vtkUnsignedCharArray *colors);
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void CreateTriangle(vtkPoints *pts, vtkCellArray *lines,
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vtkCellArray *polys, vtkUnsignedCharArray *colors);
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void CreateSquare(vtkPoints *pts, vtkCellArray *lines,
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vtkCellArray *polys, vtkUnsignedCharArray *colors);
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void CreateCircle(vtkPoints *pts, vtkCellArray *lines,
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vtkCellArray *polys, vtkUnsignedCharArray *colors);
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void CreateDiamond(vtkPoints *pts, vtkCellArray *lines,
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vtkCellArray *polys, vtkUnsignedCharArray *colors);
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void CreateArrow(vtkPoints *pts, vtkCellArray *lines,
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vtkCellArray *polys, vtkUnsignedCharArray *colors);
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void CreateThickArrow(vtkPoints *pts, vtkCellArray *lines,
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vtkCellArray *polys, vtkUnsignedCharArray *colors);
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void CreateHookedArrow(vtkPoints *pts, vtkCellArray *lines,
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vtkCellArray *polys, vtkUnsignedCharArray *colors);
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private:
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vtkGlyphSource2D(const vtkGlyphSource2D&); // Not implemented.
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void operator=(const vtkGlyphSource2D&); // Not implemented.
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};
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#endif
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