paraview

I'm new to ParaView and completely lost with all the different data formats. All I want to do is display an elevation grid which is produced by a program. I store the elevation grid in a two dimensional array of floats which is indexed by x and y coordinates and stores the z coordinate. In other words elevationGrid[x][y] stores the height above the point (x, y). Which file format should I use for this and how is it defined? It would be ideal if someone could give an example file for, say, a 3x3 grid. A first approach with a 5x5 grid and equation z = x^2+y^2, using a very simple input format.

I am trying to control Paraview interactively using IDLE. This would involve sending commands from IDLE and seeing the changes occur in Paraview. I would rather not use the in-Paraview python shell. So far, I have succeeded in importing the Paraview modules (simple, servermanager…etc) from IDLE. However the commands sent do not reflect in Paraview. For instance: >>> from paraview.simple import * >>> cone = Cone() >>> Show() >>> Render() does indeed create a cone. However the cone is output to a new, independent OpenGL window, and not the Paraview GUI. Is it possible to control Paraview

I know that I can use the Calculator filter for operations on arrays, but I want to perform some more complicated computations. I managed to do it in Paraview python shell, but the missing step now is to go back to the viewer again (or save the new polydata to file). Here is what I have so far: polydata = servermanager.Fetch(FindSource("mydataalreadyopeninparaview")) region_size = paraview.vtk.vtkIntArray() region_size.SetNumberOfComponents(0) region_size.SetName("regionsize") for i in range(polydata .GetNumberOfPoints()): region_size.InsertNextValue(somecomputedvalue) polydata.GetPointData()

I am having a fortran code to generate a grid in binary VTK format. This code produces a binary VTK file like this one: # vtk DataFile Version 3.0 vtk output BINARY DATASET RECTILINEAR_GRID DIMENSIONS 2 2 1 X_COORDINATES 2 float ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ Y_COORDINATES 2 float ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ Z_COORDINATES 1 float ^@^@^@^@^@^@^@^@ When, I try to open it with ParaView it crashes with the following error message: ERROR: In /home/user/OpenFOAM/ThirdParty-2.3.0/ParaView-4.1.0/VTK/IO/Legacy/vtkRectilinearGridReader.cxx, line 311 vtkRectilinearGridReader (0x379f4b0):

For those that want to export a simple 3D numpy array (along with axes) to a .vtk (or .vtr) file for post-processing and display in Paraview or Mayavi there's a little module called PyEVTK that does exactly that. The module supports structured and unstructured data etc.. Unfortunately, even though the code works fine in unix-based systems I couldn't make it work (keeps crashing) on any windows installation which simply makes things complicated. Ive contacted the developer but his suggestions did not work Therefore my question is: How can one use the from vtk.util import numpy_support function