... Thanks Ben. The main reason I ask is because the Fedora maintainer of the OSG packages is preparing to release OSG-2.0 and was asking who would still be...
Rick L Vinyard Jr
rvinyard@...
Jul 1, 2007 4:18 pm
5052
Hi Jacques, I am CC'ing the list in case someone has some insight into the issue. (To summarize: Jacques reports a GeoTIFF from French NMA IGN which appears to...
I've been experimenting with high-resolution terrains and came across this problem that appears to be consistent above a certain size. I import a terrain that...
Michael, ... resolution ... The source data should be around 550MB, or only 274MB if it's integer. That should easily fit in your 2GB memory. The un-optimized...
... Available ... Ben, I collected a lot of file size data while I was doing this but I'm away from that computer until Thursday. I'll collect the physical...
Michael, ... If you are on Windows, please try this updated VTB exe: http://vterrain.org/dist/VTBuilder_0702.zip ... RJ found a VTB bug which in a very...
Thanks, Ben, the new version created a tileset that loads successfully loads in Enviro. I did notice this however. THis VTBuilder defaults to "Floating...
I tired the old version, selecting "Floating Point" and it didn't work, so the new version is definitely better. I'm curious about the continuing "Short...
OK, I tired a more methodical approach and found that VTBuilder works correctly when I use the menu option "Optimized Resample Elevation to Tileset". This...
Now on the other subject... Uisng the older VTBuilder, Task Manager reports this for Physical Memory (K): Total 2095152 Available (about) 1038668 System Cache...
Michael, ... Great to hear that fixed it. I'll make an official release soon. ... Probably the result of another small fix. If you have any float elevation ...
Ben: Thanks a lot for your quick responses on this. Using the new VTBuilder there still appears to be a difference between the two methods to create a...
Those of you interested in the virtues of geospatial image file formats may want to look at my first (of two parts) article in this month's GeoConnexion...
Michael, ... Yes, that is expected; there is a difference, that's why they are two separate options. "Merge and Resample" samples all your source data into a...
Thanks, Ben, the expanation makes sense. ... By identical I mean the db, db1, and db2 files in the image diectory created by VTBuilder. I created one set...
I received an email about Terrain Summit 2007 from OSGEO (www.osgeo.org). An online search did not produce significant number of relevant results except for...
The Terrain Summit Discussion Community and the actual Terrain Summit Conference are not affiliated. Although we did of course research the name and...
Dear All, We have updated the II Open Source GIS Users meeting website: Girona (Spain), March 2008 In the following URL's you will find information regarding...
Sorry, I'm sending the message again because I don't know what happened with the previous one... Dear All, We have updated the II Open Source GIS Users meeting...
... Thanks for the report, i found and fixed the problem. In that particular sampling option, was defaulting to OpenGL compression, even if Compression:None...
I have uploaded a new VTP release. For people who installed from the Windows installers, you can un-install and re-install from the download folder. For...
Hi, I have a question about DEM size. LOD of terrain algorithm limits the size of DEM to square (of 2) size If the size of DEM I want to load is not square (of...
... Generally, you just resample. VTBuilder will do this for you. ... Yes. ... You can resample at runtime if you prefer. The methods are in vtdata/vtlib. ...
Roger, Wow, that _is_ a snazzy site, i'm cc'ing the list for UK folks. I like how it links through to demographics as well, by city or region. That also lets...
... Tom, As we haven't seen any responses here, i'm guessing that everything known on that subject is already at http://www.vterrain.org/Elevation/Caves/ If...
heightfield/hightmap Elevation voxel renders http://www.flipcode.com/articles/voxelland_part01.shtml http://www.massal.net/article/voxel/ ... known on that...
Tom, Thanks for the links, although those are not voxels, they are psuedo-voxels, using the terminology briefly popular in the game community in the 1990s...
And Cryengine 2 is an example of a development environment that offers voxel-based terrain editing: http://www.crytek.com/technology/index.php?sx=eng2 Regards ...