octave-fpl 1.3.5-4 / usr / share / octave / packages / fpl-1.3.5 / doc-cache

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fpl_vtk_assemble_series


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 -- Function File: fpl_vtk_assemble_series (COLLECTION, BASENANME,
          FORMAT, IDX, TIME)

     Assemble a ParaView collection file (pvd) from a set of files
     representing data at different time-steps.

     COLLECTION is a string containing the base-name of the pvd file
     where the data will be saved.

     BASENAME, FORMAT, IDX are two strings and a set of integers, the
     name of the i-th file in the collection will be computed as
     'sprintf ([basename, format, ".vtu"], idx(i))'.

     TIME is the set of time-steps to which data correspond

     See also: fpl_vtk_write_field, fpl_dx_write_series.


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Assemble a ParaView collection file (pvd) from a set of files
representing data 



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fpl_vtk_b64_write_field


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 -- Function File: fpl_vtk_b64_write_field (BASENAME, MESH, NODEDATA,
          CELLDATA)

     Output data field in binary serial XML-VTK UnstructuredGrid format.

     BASENAME is a string containing the base-name of the (vtu) file
     where the data will be saved.

     MESH is a PDE-tool like mesh, like the ones generated by the "msh"
     package.

     NODEDATA and CELLDATA are (Ndata x 2) cell arrays containing
     respectively <PointData> and <CellData> representing scalars or
     vectors:
        - *DATA{:,1} = variable data;
        - *DATA{:,2} = variable names;

     Example:
          %% generate msh1, node centered field nc1, cell centered field cc1
          fpl_vtk_b64_write_field ("example", msh1, {nc1, "temperature"}, {cc1, "density"});
          %% generate msh2, node centered field nc2
          fpl_vtk_b64_write_field ("example", msh2, {nc2, "temperature"}, {});

     The difference between 'fpl_vtk_write_field' and
     'fpl_vtk_b64_write_field' is that the former saves data in ASCII
     format while the latter uses base64-encoded binary format.  To save
     data in un-encoded binary format use 'fpl_vtk_raw_write_field'.

     See also: fpl_dx_write_field, fpl_dx_write_series,  
     fpl_vtk_assemble_series, fpl_vtk_write_field,  
     fpl_vtk_raw_write_field.


# name: <cell-element>
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Output data field in binary serial XML-VTK UnstructuredGrid format.



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fpl_vtk_raw_write_field


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 -- Function File: fpl_vtk_raw_write_field (BASENAME, MESH, NODEDATA,
          CELLDATA)

     Output data field in binary serial XML-VTK UnstructuredGrid format.

     BASENAME is a string containing the base-name of the (vtu) file
     where the data will be saved.

     MESH is a PDE-tool like mesh, like the ones generated by the "msh"
     package.

     NODEDATA and CELLDATA are (Ndata x 2) cell arrays containing
     respectively <PointData> and <CellData> representing scalars or
     vectors:
        - *DATA{:,1} = variable data;
        - *DATA{:,2} = variable names;

     Example:
          %% generate msh1, node centered field nc1, cell centered field cc1
          fpl_vtk_raw_write_field ("example", msh1, {nc1, "temperature"}, {cc1, "density"});
          %% generate msh2, node centered field nc2
          fpl_vtk_raw_write_field ("example", msh2, {nc2, "temperature"}, {});

     The difference between 'fpl_vtk_write_field' and
     'fpl_vtk_raw_write_field' is that the former saves data in ASCII
     format while the latter uses raw binary format.  To save data in
     b64-encoded binary format use 'fpl_vtk_b64_write_field'.

     See also: fpl_dx_write_field, fpl_dx_write_series,  
     fpl_vtk_assemble_series, fpl_vtk_write_field,  
     fpl_vtk_b64_write_field.


# name: <cell-element>
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Output data field in binary serial XML-VTK UnstructuredGrid format.



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fpl_vtk_write_field


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 -- Function File: fpl_vtk_write_field (BASENAME, MESH, NODEDATA,
          CELLDATA, ENDFILE)

     Output data field in serial XML-VTK UnstructuredGrid format.

     BASENAME is a string containing the base-name of the (vtu) file
     where the data will be saved.

     MESH is a PDE-tool like mesh, like the ones generated by the "msh"
     package.

     NODEDATA and CELLDATA are (Ndata x 2) cell arrays containing
     respectively <PointData> and <CellData> representing scalars or
     vectors:
        - *DATA{:,1} = variable data;
        - *DATA{:,2} = variable names;

     ENDFILE should be 0 if you want to add other variables to the same
     file, 1 otherwise.

     Example:
          <generate msh1, node centered field nc1, cell centered field cc1>
          fpl_vtk_write_field ("example", msh1, {nc1, "temperature"}, {cc1, "density"}, 0);
          <generate msh2, node centered field nc2>
          fpl_vtk_write_field ("example", msh2, {nc2, "temperature"}, {}, 1);
     will generate a valid XML-VTK UnstructuredGrid file.

     See also: fpl_dx_write_field, fpl_dx_write_series,
     fpl_vtk_assemble_series.


# name: <cell-element>
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Output data field in serial XML-VTK UnstructuredGrid format.



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pdemesh


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 -- Function File: H = pdemesh (P, E, T, U)

     Plot a triangular mesh in 3D given a mesh structure and node data.
     P, T are the mesh vertices and connectivity, U node data.  E is
     ignored and is accepted only for compatibiity.

     See also: fpl_dx_write_field, fpl_vtk_write_field.


# name: <cell-element>
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Plot a triangular mesh in 3D given a mesh structure and node data.



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pdesurf


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 -- Function File: H = pdesurf (P, T, U)

     Plot a 3D surface given node or element data on a triangular mesh.
     P, T are the mesh vertices and connectivity, U node or element
     data.

     See also: fpl_dx_write_field, fpl_vtk_write_field.


# name: <cell-element>
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# length: 66
Plot a 3D surface given node or element data on a triangular mesh.



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savevtk


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 -- Function File: [STATUS] = savevtk ( X, Y, Z, FILENAME )

     Save a 3-D scalar array ARRAY to the file FILENAME in VTK
     structured-grid format.

     This file format is used by Mayavi2 or ParaView for example.  If no
     write errors occurred, output argument STATUS is set to 1,
     otherwise 0.

     Example:

             n = 30;
             X = zeros (n, n, n);
             for x = 1:n
               for y = 1:n
                 for z = 1:n
                     X(x, y, z) = 1 / sqrt (x*x + y*y + z*z);
                 endfor
               endfor
             endfor
             X = X * 200 / max (max (max (X)));
             savevtk (X, "spherical.vtk");

     See also: savevtkvector.


# name: <cell-element>
# type: sq_string
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# length: 80
Save a 3-D scalar array ARRAY to the file FILENAME in VTK
structured-grid format



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savevtkvector


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 -- Function File: [STATUS] = savevtkvector (X, Y, Z, FILENAME)

     Save a 3-D vector field of components X, Y, Z to the file FILENAME
     in VTK format.

     This file format is used by Mayavi2 or ParaView for example.  X, Y
     and Z should be 3-D arrays of the same size, each storing vector
     components in a given Cartesian direction.

     If no write errors occurred, output argument STATUS is set to 1,
     otherwise 0.

     See also: savevtk.


# name: <cell-element>
# type: sq_string
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# length: 80
Save a 3-D vector field of components X, Y, Z to the file FILENAME in
VTK format