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Thread: Bug in the "New Painting" Window and " Grey P

  1. #1
    Join Date
    Oct 2007

    Bug in the "New Painting" Window and " Grey P

    Canvas : white (RGB 255, 255,255) smoothest paper, roughness 0

    It produces very strange and annoying artefacts. Instead of an all-white painting, I have :

    Lower part of the painting has a "grey" triangle (RGB 249, 249, 249).

    Above are horizontal stripes, from bottom to top : RGB 250, 250, 250, then 251, etc. Only the very last stripe (top) is true white : RGB 255,255,255

    I use ArtRage on a MacBookPro 2.33 Ghz Intel Core Duo with 2 GB of RAM. System is Mac OS 10.4.10 ArtRage version 2.5.16

    Thank you for your help
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  2. #2
    Join Date
    Mar 2006
    Ambient Design
    ArtRage uses a full 3D lighting system to light the canvas and paint surface. The canvas surface is roughened and the light transmission across the surface is cast directionally from the upper-left. So the resultant surface will no appear to be uniform white.
    It makes the canvas feel more natural and less digital. In the real world you will never see a pure white surface - there will always be the effect of lighting and your environment on your surface.
    For people wishing for a more digital experience, there is the option to turn off the 3D lighting by pressing the <F5> key.

    Regarding the vertical smears when you're in the new painting dialog: That's actually a vertical blur of what's behind the canvas. Fill your canvas with bright colours, then open the new painting dialog and you'll see the colours smeared behind the dialog. It's a way to draw your attention to the dialog by distorting the detail behind.
    AndyRage's mantra for graphics engine code:
    "Sure - how hard can it be?"

  3. #3
    Join Date
    Oct 2007
    Thank you very much !

    Could this (your reply) be added to the next version of the (PDF) ArtRage Manual ?

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