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The ability to specify an exact name for output images during animations would be great. As it is, POV-Ray appends a numerical designation to each image (e.g. image001.png, image002.png, etc. Overriding this behavior would allow certain tasks to be accomplished without cluttering the hard drive. For instance, an image could be rendered over and over again. Certain things like cellular automata, ripple tank simulations and feedback fractals could be performed without the resulting long list of images in a given directory.

The command line option could be in the form of +oefile/+Output_File_Name_Exact=file or some such.

It seems that the new area_illuminate flag for area lights does not take into account fade_power and fade_distance. The illumination falloff is still being calculated from the center of the light_source.

Here’s some relevant code:

camera{
  location<0,10,-10>
  look_at 0
}
plane{y,0 pigment{rgb 1}}
light_source{
  y*.1,100
  area_light x*10, z*1, 8, 8
  jitter
  area_illumination
  fade_power 2 fade_distance 1
}