| 1 |
+ |
{ RCSid $Id$ } |
| 2 |
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{ |
| 3 |
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Generate rays for a parabolic view projection -- |
| 4 |
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i.e., a round image that when projected downwards |
| 19 |
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dx, dy, dz = Direction vector for image point (x,y) |
| 20 |
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|
| 21 |
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Typical command line: |
| 22 |
< |
cnt 1024 1024 | rcalc -e maxalt:25 \ |
| 22 |
> |
cnt 1024 1024 | rcalc -od -e maxalt:25 \ |
| 23 |
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-e 'x=($2+.5)/1024;y=1-($1+.5)/1024' -f vwparab.cal \ |
| 24 |
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-e '$1=25.5;$2=12;$3=5;$4=dx;$5=dy;$6=dz' \ |
| 25 |
< |
| rtrace @electric.opt -fac -x 1024 -y 1024 \ |
| 25 |
> |
| rtrace @electric.opt -fdc -x 1024 -y 1024 \ |
| 26 |
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electric.oct > pan.pic |
| 27 |
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} |
| 28 |
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amax : PI/180*maxalt; |
