Terragen file format: base height + elevation
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#12 Terragen file format: base height + elevation
From my point a minor thing, but it would be nice if you
could look at this. *Every* file that is saved in
Terragen / .ter format has the terrain altitude from -
15 ... +15, independent from what you type in the base
height and elevation fields.
Next thought, typing in base height and elevation is not
known to most Terragen users. Could it be possible to
give instead a minimum and maximum height value? This
would be the same rule as it is used in Terragen itself.
Ok, this is a mix from bug and RFE. ;)
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Okay the bug's been fixed and checked in
You can now enter either base height, elevation and
scale, or a maximum and minimum height.
Editing one will change the other.
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Ah great, thanks for the quick reaction. :)
- Karsten
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... just wanted to let you know that changing a value
(min/max/elev./...) often gives "strange" results for another.
Sorry for not being more precise but I havent tested this yet
thouroughly. Please give me a day or two...
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I checked in some rounding fixes with should make base height,
elevation and scale give the correct max and min height.
Going the other way around you're going to hit problems due to base
height and elevation being integers, once you throw in the scaling factor
you can get some results that look totally wrong and probably are.
The real trouble is that base height and elevation are the values saved in
the terragen file format :-(
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I will look into this more deeply soon. However, baseheight
and heighscale are usually calculcated by Terragen and not
to be entered by users. Since the file format specification
lacks of any information on how to claculate them, every 3rd
party developer has his/her own way to do that, of course.
Both values are based on the terrain data, so the file format
shouldn't require them to be saved, IMHO. But you know...
I did have a conversation with Matt Fairclough (main
developer of Terragen) about exactly this topic. But before I
publish some code let me ask him for permission first...