[Insight-users] modify image-data using GetBufferPointer

["Jü En"]

Hello,

i'd like to create an image by directly writing into its buffer using the GetBufferPointer() - method. The size of the image was set before allocating memory (Allocate()). However, if i completely fill the buffer with new data and write the image, the result is as expected. But if i only sparely (e.g. only half the image) fill the buffer, the output image is black. 
Is this a known problem or did i probably made a mistake elsewhere?

Thanks in advance!
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