Hi!
I am writing a filter which should calculate the horizontal average of a given
dataset and display it as a function of depth. In my case, the x-coordinate
specifies the radius and therefore the depth.
I chose the output to be a rectilinear grid and tried to set it like this:
vtkInformation* outInfo = outputVector -> GetInformationObject(0);
vtkRectilinearGrid* output = vtkRectilinearGrid::SafeDownCast(outInfo ->
Get(vtkDataObject::DATA_OBJECT()));
//calculating the horizontal average
output -> SetDimensions(dims[0],1,1);
output -> SetXCoordinates(xCoord);
output -> SetYCoordinates(yCoord);
output -> SetZCoordinates(zCoord);
output -> GetPointData() -> AddArray(horizontal);
output -> Squeeze();
dims[0] is the dimension in x-direction I get from the input, xCoord, yCoord
and zCoord are of the type vtkFloatArray and contain the coordinates in the
according direction. I compared their number of tuples to the dimensions I
specified - they agree.
Lamentably, I get a segmentation fault setting the dimensions in the output
array. Did I forget to specify something? Does specifying the dimensions and
the Coordinates not suffice to determine the Rectilinear Grid?
Once the Array is set, I would like to call the PlotData -filter or something
that creates a cartesian grid and draws my function. How do I do that?
Thanks a lot and have a nice weekend,
Natalie
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