[vtkusers] Flattening a probed surface

[jruiz]

Thanks, I'm going to follow your instructions step by step, first I'm trying
to get de surface area to set the dimension of the image data.

Is it even close ? I'm getting the length for the extruded spline as "width"
and "height" is the length of the extrusion. I guess this values need to be
multiply by the spacing what I get from the source image.

vtkImageData image_data= new vtkImageData();
        
double[] spacing = dicomImage.getNormalized().GetOutput().GetSpacing();

double width = spline.GetLength() * spacing[0];        
double height = surfaceHeight * spacing[2];

image_data.SetDimensions(width, height, 1);

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