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vtkQuadraticEdge.h
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkQuadraticEdge.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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#ifndef __vtkQuadraticEdge_h
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#define __vtkQuadraticEdge_h
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#include "
vtkNonLinearCell.h
"
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class
vtkLine
;
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class
vtkDoubleArray
;
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class
VTK_FILTERING_EXPORT
vtkQuadraticEdge
:
public
vtkNonLinearCell
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{
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public
:
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static
vtkQuadraticEdge
*
New
();
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vtkTypeMacro(
vtkQuadraticEdge
,
vtkNonLinearCell
);
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void
PrintSelf
(ostream& os,
vtkIndent
indent);
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int
GetCellType
() {
return
VTK_QUADRATIC_EDGE
;};
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int
GetCellDimension
() {
return
1;}
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int
GetNumberOfEdges
() {
return
0;}
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int
GetNumberOfFaces
() {
return
0;}
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vtkCell
*
GetEdge
(
int
) {
return
0;}
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vtkCell
*
GetFace
(
int
) {
return
0;}
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int
CellBoundary
(
int
subId,
double
pcoords[3],
vtkIdList
*pts);
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void
Contour
(
double
value
,
vtkDataArray
*cellScalars,
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vtkIncrementalPointLocator
*locator,
vtkCellArray
*verts,
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vtkCellArray
*lines,
vtkCellArray
*polys,
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vtkPointData
*inPd,
vtkPointData
*outPd,
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vtkCellData
*inCd,
vtkIdType
cellId,
vtkCellData
*outCd);
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int
EvaluatePosition
(
double
x[3],
double
* closestPoint,
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int
& subId,
double
pcoords[3],
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double
& dist2,
double
*weights);
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void
EvaluateLocation
(
int
& subId,
double
pcoords[3],
double
x[3],
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double
*weights);
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int
Triangulate
(
int
index
,
vtkIdList
*ptIds,
vtkPoints
*pts);
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void
Derivatives
(
int
subId,
double
pcoords[3],
double
*values,
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int
dim,
double
*derivs);
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virtual
double
*
GetParametricCoords
();
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void
Clip
(
double
value
,
vtkDataArray
*cellScalars,
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vtkIncrementalPointLocator
*locator,
vtkCellArray
*lines,
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vtkPointData
*inPd,
vtkPointData
*outPd,
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vtkCellData
*inCd,
vtkIdType
cellId,
vtkCellData
*outCd,
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int
insideOut);
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int
IntersectWithLine
(
double
p1[3],
double
p2[3],
double
tol,
double
& t,
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double
x[3],
double
pcoords[3],
int
& subId);
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int
GetParametricCenter
(
double
pcoords[3]);
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static
void
InterpolationFunctions(
double
pcoords[3],
double
weights[3]);
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// Description:
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// @deprecated Replaced by vtkQuadraticEdge::InterpolateDerivs as of VTK 5.2
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static
void
InterpolationDerivs(
double
pcoords[3],
double
derivs[3]);
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// Description:
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// Compute the interpolation functions/derivatives
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// (aka shape functions/derivatives)
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virtual
void
InterpolateFunctions
(
double
pcoords[3],
double
weights[3])
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{
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vtkQuadraticEdge::InterpolationFunctions
(pcoords,weights);
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}
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virtual
void
InterpolateDerivs
(
double
pcoords[3],
double
derivs[3])
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{
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vtkQuadraticEdge::InterpolationDerivs
(pcoords,derivs);
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}
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protected
:
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vtkQuadraticEdge
();
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~
vtkQuadraticEdge
();
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vtkLine
*
Line
;
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vtkDoubleArray
*
Scalars
;
//used to avoid New/Delete in contouring/clipping
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private
:
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vtkQuadraticEdge
(
const
vtkQuadraticEdge
&);
// Not implemented.
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void
operator=(
const
vtkQuadraticEdge
&);
// Not implemented.
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};
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//----------------------------------------------------------------------------
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inline
int
vtkQuadraticEdge::GetParametricCenter
(
double
pcoords[3])
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{
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pcoords[0] = 0.5;
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pcoords[1] = pcoords[2] = 0.;
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return
0;
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}
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#endif
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