[vtkusers] file handling

[yala kaluma]

Hi,

I am having problem with the script below.
It seems like the compiler doesn trecognize the folder VTK_DATA_ROOT...
So i switched it to the path of the VTKDATA I downloaded (with 
Data/masonry.bmp in it). But it still doesn t  work..
I am not sure i understand what VTK_DATA_ROOT represents anyway.

In the VTK folder I downloaded. There is not a whole lot of example written 
in C++. If anybody knows the adress of a site where I can find any I would 
really apreciate.
How would you write the line
reader SetFileName "$VTK_DATA_ROOT/Data/masonry.bmp"

in C++?



Thank u very much
Yala, true VTK newbie...


package require vtk

# we have to make sure it works with multiple scalar components

# Image pipeline

vtkBMPReader reader

reader SetFileName "$VTK_DATA_ROOT/Data/masonry.bmp"

reader SetDataExtent 0 255 0 255 0 0

reader SetDataSpacing 1 1 1

reader SetDataOrigin 0 0 0

reader UpdateWholeExtent

vtkTransform transform

transform RotateZ 45

transform Scale 1.414 1.414 1.414

vtkImageReslice reslice

reslice SetInput [reader GetOutput]

reslice SetResliceTransform transform

reslice InterpolateOn

reslice SetInterpolationModeToCubic

reslice WrapOn

reslice AutoCropOutputOn

vtkImageViewer viewer

viewer SetInput [reslice GetOutput]

viewer SetZSlice 0

viewer SetColorWindow 256.0

viewer SetColorLevel 127.5

viewer Render

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