On 16 Feb 1999 12:00:50 -0500, Nieminen Mika <war### [at] cctutfi> wrote:
>  To get higher accuracy (ie. to get more than 256 values) you have to output
>to PNG with color resolution of 16 bits per pixel (so you get 65535 z-values).
>  The problem here is how do you read the PNG...
>  I don't remember if targa supports 16 bits per pixel.

It does support the red/green format that POV understands for height fields.
You'll want to read up on the hf_gray_16 keyword.

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