I have produced a number of Therion models which are viewed using Loch.
I have to say that I am tremendously pleased with the visualisations
that they give.
However, we always want something more, don't we.
One of the extremely useful features is the ability to drop surface data
and maps on to
Hi Graham,
I had a similar request some time ago. The problem is, that the
resolution is limited by your graphic card as the whole image has to be
in memory.
GL_MAX_TEXTURE_SIZE variable
returned by OpenGL) or 4096x4096 max.
I'm not completely sure, but quite some graphic cards don't support m
Graeme
I'd like Loch to be able to present in higher resolution as well, although
for me not such a high priority (as some other 2D presentation functionality
that is missing from the Therion palette).
Perhaps related, I'd like to be able to overlay multiple surface images at
one time, say topo m
Hi Bruce,
I just had a short look for the texture size of graphic cards and I
found some information on the net:
http://homepage.mac.com/arekkusu/bugs/GLInfo.html
The are some cards that support up to 16384 pixel square.
You could try to change the hard coded limit of 4096 pixel and recompile
loc
The real best solution seems to be the compatibility with "tiled" graphic
formats, like ECW.
I don't know how difficult is the needed work for programmers.
Giorgio
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Hello Giorgio,
the problem is not the image format itself. The difficulty is, that the
image (uncompressed) must be loaded into the memory of the graphic card.
Regards
Wolfgang
Am 19.05.2011 11:22, schrieb Giorgio Pannuzzo:
> The real best solution seems to be the compatibility with "tiled" gra
huge maps (E.G. 2 GB compressed!!).
Look at OziExplorer CE SW and ECW or OZXF file formats features.
Giorgio
- Original Message
Da: List for Therion users
To: therion at speleo.sk
Oggetto: Re: [Therion] A totally unreasonable request
Soon I will have to play with surfaces in loch anyway, because DEM models
are not calibrated properly. The problem is, that if you have DEM model in
other coordinate system, than centerline, it is not oriented properly.
What should be probably done is to support multiple surfaces in lox and
multip
