Hi Jeff,
eljef... schrieb am Mittwoch, 22. Dezember 2021 um 15:01:23 UTC+1:
> I looked at the source code lines for error 3) and have no idea at all why
> the compiler would be giving that warning -- did you modify the source file
> so my line numbers don't match yours?
> ***
>
Yes, I modified already some lines to get further.
The lines with error " C2057: expected constant expression" are (all in
skyfill_tif.c):
float sum_h_by_row[n_max_rows] ;
int n_h_by_row[n_max_rows] ;
uint16 *output_buf[IMAGE_HEIGHT] ;
and here the link to your repo:
https://github.com/weltyj/SkyFill/blob/d27ce93688512d2279b823d7d8e6996339ee3dd8/skyfill_tif.c#L1353
https://github.com/weltyj/SkyFill/blob/d27ce93688512d2279b823d7d8e6996339ee3dd8/skyfill_tif.c#L1354
https://github.com/weltyj/SkyFill/blob/d27ce93688512d2279b823d7d8e6996339ee3dd8/skyfill_tif.c#L4802
To answer your questions:
> * It doesn't use the projection from the pto file -- only the FOV. What
> it needs to do the unblended sky model is the degrees in horizontal, so it
> can calculate the degrees per pixel. The assumption is that the pixels are
> square, not rectangular. The other assumption is that the degrees per
> pixel is a constant. I'm pretty sure that's not true for many
> projections, but it only needs to be "true enough" to work.
>
Yes, a constant degree per pixel in horizontal and vertical direction has
only the equirectangular projection. In cylindrical this holds only true
horizontal, but not vertically.
Thomas
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