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<div class="textblock"><p>Section: <a class="el" href="sec_vtkfiltering.html">Visualization Toolkit Filtering Classes</a> </p>
<h1><a class="anchor" id="Usage"></a>
Usage</h1>
<p>vtkGenericCell is a class that provides access to concrete types of cells. It's main purpose is to allow thread-safe access to cells, supporting the vtkDataSet::GetCell(vtkGenericCell *) method. vtkGenericCell acts like any type of cell, it just dereferences an internal representation. The SetCellType() methods use #define constants; these are defined in the file vtkCellType.h.</p>
<p>To create an instance of class vtkGenericCell, simply invoke its constructor as follows </p>
<pre class="fragment"> obj = vtkGenericCell
</pre> <h1><a class="anchor" id="Methods"></a>
Methods</h1>
<p>The class vtkGenericCell has several methods that can be used. They are listed below. Note that the documentation is translated automatically from the VTK sources, and may not be completely intelligible. When in doubt, consult the VTK website. In the methods listed below, <code>obj</code> is an instance of the vtkGenericCell class. </p>
<ul>
<li>
<code>string = obj.GetClassName ()</code> </li>
<li>
<code>int = obj.IsA (string name)</code> </li>
<li>
<code>vtkGenericCell = obj.NewInstance ()</code> </li>
<li>
<code>vtkGenericCell = obj.SafeDownCast (vtkObject o)</code> </li>
<li>
<code>obj.ShallowCopy (vtkCell c)</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>obj.DeepCopy (vtkCell c)</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>int = obj.GetCellType ()</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>int = obj.GetCellDimension ()</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>int = obj.IsLinear ()</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>int = obj.RequiresInitialization ()</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>obj.Initialize ()</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>int = obj.GetNumberOfEdges ()</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>int = obj.GetNumberOfFaces ()</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>vtkCell = obj.GetEdge (int edgeId)</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>vtkCell = obj.GetFace (int faceId)</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>int = obj.CellBoundary (int subId, double pcoords[3], vtkIdList pts)</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>obj.Contour (double value, vtkDataArray cellScalars, vtkIncrementalPointLocator locator, vtkCellArray verts, vtkCellArray lines, vtkCellArray polys, vtkPointData inPd, vtkPointData outPd, vtkCellData inCd, vtkIdType cellId, vtkCellData outCd)</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>obj.Clip (double value, vtkDataArray cellScalars, vtkIncrementalPointLocator locator, vtkCellArray connectivity, vtkPointData inPd, vtkPointData outPd, vtkCellData inCd, vtkIdType cellId, vtkCellData outCd, int insideOut)</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>int = obj.Triangulate (int index, vtkIdList ptIds, vtkPoints pts)</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>obj.Derivatives (int subId, double pcoords[3], double values, int dim, double derivs)</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>int = obj.GetParametricCenter (double pcoords[3])</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>int = obj.IsPrimaryCell ()</code> - See the vtkCell API for descriptions of these methods. </li>
<li>
<code>obj.InterpolateFunctions (double pcoords[3], double weights)</code> - Compute the interpolation functions/derivatives (aka shape functions/derivatives) </li>
<li>
<code>obj.InterpolateDerivs (double pcoords[3], double derivs)</code> - Compute the interpolation functions/derivatives (aka shape functions/derivatives) </li>
<li>
<code>obj.SetCellType (int cellType)</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToEmptyCell ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToVertex ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToPolyVertex ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToLine ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToPolyLine ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToTriangle ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToTriangleStrip ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToPolygon ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToPixel ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToQuad ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToTetra ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToVoxel ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToHexahedron ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToWedge ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToPyramid ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToPentagonalPrism ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToHexagonalPrism ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToConvexPointSet ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToQuadraticEdge ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToCubicLine ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToQuadraticTriangle ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToBiQuadraticTriangle ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToQuadraticQuad ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToQuadraticTetra ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToQuadraticHexahedron ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToQuadraticWedge ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToQuadraticPyramid ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToQuadraticLinearQuad ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToBiQuadraticQuad ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToQuadraticLinearWedge ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToBiQuadraticQuadraticWedge ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToTriQuadraticHexahedron ()</code> - This method is used to support the vtkDataSet::GetCell(vtkGenericCell *) method. It allows vtkGenericCell to act like any cell type by dereferencing an internal instance of a concrete cell type. When you set the cell type, you are resetting a pointer to an internal cell which is then used for computation. </li>
<li>
<code>obj.SetCellTypeToBiQuadraticQuadraticHexahedron ()</code> - Instantiate a new vtkCell based on it's cell type value </li>
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