Hi list, SRTM 90 meters dems for Europe and Asia are now available at http://edcftp.cr.usgs.gov/pub/data/srtm/Eurasia/ Info from www.terrainmap.com -Vasile...
2566
Daniel Bell
mrzaggy@...
Nov 5, 2003 5:22 pm
Hey guys... First a quick bit of back ground... Im not a GIS type person, and frankly, Im still grappling with the learning curve. Only been looking into this...
2567
Ben Discoe
bdiscoe
Nov 5, 2003 5:35 pm
Zaggy, Don't blame 3DEM, i'm sure it's loading the data correctly. The issues you are seeing (gaps in the data, +/- 20m errors even on the ocean) are standard...
2568
Ben Discoe
bdiscoe
Nov 5, 2003 5:56 pm
This question is for developers who are compiling the VTP, and their VTP-based projects, on Windows. End-users can skip this message. I'm looking at switching...
2569
Roger James
rogerjames99
Nov 5, 2003 7:08 pm
Sorry this is slightly off topic. For some time now I have had an idea at the back of my mind about a low cost way of getting eave height data. My idea is to...
2570
Ralph Williams
williams@...
Nov 5, 2003 7:19 pm
Ben, I have been using the C++ version 7 for about a year now. I am beginning to like the new version, the STL seems more stable. There are a few things...
2571
Daniel Bell
mrzaggy@...
Nov 6, 2003 3:14 am
Thanks guys.... And Thank You NASA/NIMA for all the effort they seem to have put into this data... 3 Years or so it has taken to release it, and we get data...
2572
Donald Tidrow
dtidrow@...
Nov 6, 2003 3:27 am
... Well, that's because they really can't launch the Shuttle into a polar orbit from the Cape. Back in the 80's there was talk about a launch from Vandenburg...
2573
Ben Discoe
bdiscoe
Nov 6, 2003 4:27 am
... I just uninstalled VC6 and installed VC7. Perhaps it would take me a year also :) because i loathe the changes. Among other gripes, apparently the IDE...
2574
Mike Weiblen
mew_cx
Nov 6, 2003 4:02 pm
Hi Ben, Note that VC6 and VS.net 2002 (ie "VC7.0") can both be installed side-by-side, so you needn't uninstall either. That has been a lifesaver for me, as...
2575
Budi Kurniawan
bku@...
Nov 7, 2003 2:04 am
Hi all, Does anybody have any idea about how to implement terrain lighting? It should be dynamic and real-time(day and night cycle). I had read ...
2576
Mark Duchaineau
duchaine@...
Nov 7, 2003 5:10 pm
Hi Budi, What does your graphics card have? If you can blend a couple of textures, there may be some tricks you can play. Per-vertex lighting is just plain...
2577
Neal Schlatter
nealo_dealo_...
Nov 7, 2003 5:18 pm
Hi All, My name is Neal. I am trying to follow the instructions on how to load and draw a simple terrain: ...
2578
Ben Discoe
bdiscoe
Nov 7, 2003 5:25 pm
Neal, ... Yes, that's all there is to it. ... It sounds like you've already built vtlib (vtosg is the OSG flavor of vtlib). When in doubt, you can simply look...
2579
Matt Wilkie
matt.wilkie@...
Nov 7, 2003 5:38 pm
... {Ahem!} and Northern Canada and all of Alaska excepting the panhandle. :( I spent a few hours experimenting with data along 59°N and west coast of North...
2580
Budi Kurniawan
bku@...
Nov 10, 2003 1:46 am
Thanks for your reply Mark, My graphics card is GeForce4 MX-460. Yes, I can blend a couple of textures. I'm thinking about storing some shadowmaps based on...
2581
brian quinn
quinnyb@...
Nov 12, 2003 7:51 am
Have you seen this wee game engine http://ogre.sourceforge.net/modules.php?set_albumName=album01&id=terrain&op= ...
2582
Ben Discoe
bdiscoe
Nov 12, 2003 11:27 am
I've uploaded a new VTP release. Existing Windows end-users can grab executables from here: http://vterrain.org/dist/vtp-apps-bin-031112.zip and DLLs from...
2583
Mark Duchaineau
duchaine@...
Nov 12, 2003 6:50 pm
Hi Budi, Yes, smooth transitions would require either a secondary lookup (e.g. texture pallettes), fragment shaders (which is beyond your current card), some...
2584
Matt Wilkie
matt.wilkie@...
Nov 12, 2003 11:22 pm
Hullo listers, ...ran across these good papers on terrain rendering today; figured some of the list might be interested: ...
2585
Garry Keltie
gkeltie
Nov 13, 2003 11:56 pm
MSVCP71.dll.... I have a MSVCP70.dll elsewhere on my system but havent needed it yet for VTP projects. Might need to be a new required dll? Cheers Garry ... --...
2586
Ben Discoe
bdiscoe
Nov 14, 2003 12:21 am
Mmm, for Windows end-users only.. http://vterrain.org/dist/msvc_dlls_71.zip These will already be on your system if you have any recently MS software, but i...
2587
Ben Discoe
bdiscoe
Nov 14, 2003 3:36 am
As one might conclude from the recent VC7.1-based release, i did manage to acquire a fully legitimate unit of the latest compiler, thanks to a generous ...
2588
Todd Jellett
thj57
Nov 14, 2003 8:45 pm
Hi Ben and list, I have a couple of questions. Firstly, in the vtMesh class, are the vertices *added* supposed to be in earth coordinates or in OpenGL...
2589
Ben Discoe
bdiscoe
Nov 15, 2003 8:01 am
Hi Todd, ... OpenGL coordinates. Everything that the scene graph classes do - vtGeom, vtMesh etc. - goes straight to the graphics pipeline. ... It can be a...
2590
Garry Keltie
gkeltie
Nov 17, 2003 2:49 am
Woops, Emm, I know you dont want ot here this Ben, Miscrosoft wants me to tell on you again :D I assume it wasnt the missing dlls as they are VS system ones....
2591
Todd Jellett
thj57
Nov 17, 2003 12:10 pm
Hi Ben, ... Yes you did, and I was composing a reply to you when Ralph Williams pointed out that the amazon VC7 compiler was non-optimizing. Your reply to him ...
2592
Ben Discoe
bdiscoe
Nov 18, 2003 12:50 am
Todd, Yes, if for any reason the converter has trouble, you can continue to use the .dsp/.dsw from the last release; the only change (so far) has been the ...
2593
Daniel Bell
mrzaggy@...
Nov 18, 2003 4:30 am
Hey Guys, another question regarding Data... Im in the process of fixing about 20x25 degrees of SRTM data, removing the Null data and flattening the ocean. ...
2594
Todd Jellett
thj57
Nov 18, 2003 12:30 pm
Hi Ben and list I have tried using the prj converter on the latest distribution (VTBuilder and Enviro) and it seems to do the trick. There are a couple of...
