(Demo files are available here: http://www.rpi.edu/~doriad/Cars/ )
If I load 0.vtp and 1.vtp in paraview, set the camera focal point to (0,0,0), the camera position to (20, -20, 5), and the viewing angle to 45, the car in 0.vtp looks "bigger" than the car in 1.vtp. However, if I run the script CreateThumbnails.py (in the above link) with these commands ./CreateThumbnails.py --input=0.vtp --rep=Surface --output=python_0.png --campos=20 -20 5 ./CreateThumbnails.py --input=1.vtp --rep=Surface --output=python_1.png --campos=20 -20 5 in the resulting images car 1 looks bigger than car 0!! Is this some perspective projection illusion? Or am I missing a camera parameter in the script that is making it look different? I feel like I may be doing something wrong in the script because if I run this command ./CreateThumbnails.py --input=1.vtp --rep=Surface --output=1test.png --campos=1 -1 .25 (the difference is that campos is scaled), the exact same image is produced (as python_1.png). It seems like this one should be a zoomed in version as the camera should be very close to the car. Any thoughts? Thanks, David
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