dox/Common/vtkPlane.h
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#ifndef __vtkPlane_h
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#define __vtkPlane_h
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#include "vtkImplicitFunction.h"
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00035 class VTK_COMMON_EXPORT vtkPlane :
public vtkImplicitFunction
00036 {
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public:
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static vtkPlane *
New();
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00041 vtkTypeRevisionMacro(vtkPlane,
vtkImplicitFunction);
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void PrintSelf(ostream& os,
vtkIndent indent);
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double EvaluateFunction(
double x[3]);
00047 double EvaluateFunction(
double x,
double y,
double z)
00048 {
return this->
vtkImplicitFunction::EvaluateFunction(x, y, z); } ;
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void EvaluateGradient(
double x[3],
double g[3]);
00053
00055
00056 vtkSetVector3Macro(Normal,
double);
00057 vtkGetVectorMacro(Normal,
double,3);
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00063 vtkSetVector3Macro(Origin,
double);
00064 vtkGetVectorMacro(Origin,
double,3);
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void Push(
double distance);
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static void ProjectPoint(
double x[3],
double origin[3],
double normal[3],
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double xproj[3]);
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static void GeneralizedProjectPoint(
double x[3],
double origin[3],
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double normal[3],
double xproj[3]);
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static double Evaluate(
double normal[3],
double origin[3],
double x[3]);
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static double DistanceToPlane(
double x[3],
double n[3],
double p0[3]);
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static int IntersectWithLine(
double p1[3],
double p2[3],
double n[3],
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double p0[3],
double& t,
double x[3]);
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protected:
00107 vtkPlane();
00108 ~vtkPlane() {};
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00110 double Normal[3];
00111 double Origin[3];
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private:
00114 vtkPlane(
const vtkPlane&);
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void operator=(
const vtkPlane&);
00116 };
00117
00118 inline double vtkPlane::Evaluate(
double normal[3],
00119
double origin[3],
double x[3])
00120 {
00121
return normal[0]*(x[0]-origin[0]) + normal[1]*(x[1]-origin[1]) +
00122 normal[2]*(x[2]-origin[2]);
00123 }
00124
00125 inline double vtkPlane::DistanceToPlane(
double x[3],
double n[3],
double p0[3])
00126 {
00127
#define vtkPlaneAbs(x) ((x)<0?-(x):(x))
00128
return (
vtkPlaneAbs(n[0]*(x[0]-p0[0]) + n[1]*(x[1]-p0[1]) +
00129 n[2]*(x[2]-p0[2])));
00130 }
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#endif
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