POV-Ray: Newsgroups: povray.advanced-users: Rendering a portion of an image to an output file doesnt quite work?: Rendering a portion of an image to an output file doesnt quite work?

POV-Ray : Newsgroups : povray.advanced-users : Rendering a portion of an image to an output file doesnt quite work? : Rendering a portion of an image to an output file doesnt quite work?		Server Time 28 Jul 2024 22:27:53 EDT (-0400)

From: Bob Zigon
Date: 7 Dec 2003 14:47:31
Message: <3fd383d3$2@news.povray.org>

Gang

I am using POV 3.5 under XP Professional.
I am rendering the woodenbox demo at 640 x 480.
When I look at the generated woodenbox.bmp everything is A-OK.

I then move my mouse and select a center region from the rendered image.
I then render it again.
When I look at the woodbox.bmp the background is all black as I had hoped.
But the region I selected is not in the center of the woodenbox.bmp.

The dimensions are correct. and the X offset is correct. But the Y offset is
0 so it is shifted
up against the top of the BMP.

I looked at the MESSAGES window and it said

"Output Options
  Image resolution 640 by 480 (rows 94 to 306, columns 188 to 423)."

The values are correct but the resulting BMP is incorrect.

Is this a bug or am I doing something wrong?

Bob

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