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.\" RCSid "$Id" |
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.\" RCSid "$Id$" |
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.TH FINDGLARE 1 11/15/93 RADIANCE |
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.SH NAME |
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findglare - locate glare sources in a RADIANCE scene |
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Note that the picture file must contain correct view specifications, |
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as maintained by |
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.I rpict(1), |
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.I rview(1), |
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.I rvu(1), |
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.I pfilt(1) |
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and |
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.I pinterp(1). |
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.I ximage(1) |
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to decide what this value should be. |
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Alternatively, one can use the 't' command within |
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.I rview(1). |
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.I rvu(1). |
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The idea is to pick a threshold that is well above the average level |
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but smaller than the source areas. |
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.PP |
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.I findglare |
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reports its progress during the calculation. |
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.SH EXAMPLE |
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To calculate the glare sources in the image "scene.pic": |
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To calculate the glare sources in the image "scene.hdr": |
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.IP "" .2i |
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findglare -p scene.pic > scene.glr |
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findglare \-p scene.hdr > scene.glr |
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.PP |
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To compute the Guth visual comfort probability from this result: |
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.IP "" .2i |
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glarendx -t guth_vcp scene.glr |
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glarendx \-t guth_vcp scene.glr |
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.PP |
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To compute the glare for a set of angles around the view "good.vp" |
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from the octree "scene.oct" using an ambient level of .1: |
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.IP "" .2i |
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findglare -vf good.vp -ga 10-60:10 -av .1 .1 .1 scene.oct > scene.glr |
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findglare \-vf good.vp \-ga 10-60:10 \-av .1 .1 .1 scene.oct > scene.glr |
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.SH AUTHOR |
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Greg Ward |
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.SH ACKNOWLEDGEMENT |
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group at EPFL in Switzerland. |
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.SH "SEE ALSO" |
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getinfo(1), glare(1), glarendx(1), pfilt(1), rpict(1), rtrace(1), |
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rview(1), xglaresrc(1), ximage(1) |
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rvu(1), xglaresrc(1), ximage(1) |
