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https://git.dev.opencascade.org/repos/occt.git
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71d8ccc753
OpenGl_View::ZLayerBoundingBox() now adds screen background plane for proper Z-fit. Graphic3d_TransformPers::Compute() - projection matrix has been excluded from the math to eliminate floating point computation error.
25 lines
603 B
Plaintext
25 lines
603 B
Plaintext
puts "========"
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puts "Gradient background is lost at some camera positions"
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puts "========"
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# Test case setup the camera in such a position,
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# so that background plane will be clipped by Z-range if not handled by Z-fit.
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pload MODELING VISUALIZATION
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box b 0 0 -100 100 90 10
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vclear
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vinit View1
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vaxo
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vsetgradientbg 180 200 255 180 180 180 2
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vzbufftrihedron
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vdisplay -dispMode 1 b
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vsetlocation b 0 0 1000
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vfit
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vviewparams -scale 6.66 -eye 48 43 -210 -at 50 45 -95
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if { [vreadpixel 100 300 rgb name] != "GRAY74" } { puts "Error: gradient background is not displayed" }
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vdump $imagedir/${casename}.png
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