1. In the calculation of the colour used (especially for the height mode) what
is the point of the '+1' here:
vdl->gcsgradient[(gint)floor((change - vdl->min_elev)/(vdl->max_elev -
vdl->min_elev)*(DEM_N_GRADIENT_COLORS-2))+1]
If it is removed, it means when you increase the min elevation, elevations
below this level drawn using the zero index i.e. in blue.
Hence it's then like rising sea levels and a global warming simulator!
Looks much better than the default brown.
2. What do (did?) the properties colour and line thickness supposed to do?
As far as I can make out they are to configure the 'single' gc, but as this gc
is never actually used to draw anything - they can all be removed as well.
This excess stuff seems to be from when the DEM code was first merged.
I'll write a clean up patch in due course, unless anyone wants it kept in (with
due reasoning).
Be Seeing You - Rob.
If at first you don't succeed,
then skydiving isn't for you.
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