... Yes, that's right; Actually what I want to get is the region of the terrain which is in the view frustum. I use : vtHeightFieldGrid3d *pHeight =...
3824
fraser_brent_w
Jul 6, 2005 4:56 pm
Has anyone created and viewed a Terrain with a 4x4 tiled dimension of 16381 (base tile size of 4096) or larger? I've created one but it crashes wxEnviro on a...
3825
Fredrik Ahl
fredrikahl
Jul 7, 2005 5:37 pm
Hi Brent Yes, I have tried that with the same results using a similiar computer configuration. It seems that the current limit is 8189 (2048 base tile). ...
3826
Brent Fraser
fraser_brent_w
Jul 7, 2005 5:47 pm
Fredrik, Is this due to a limitation in the graphic card or to a limitation/bug in Envro? FYI, I just tried it with a 256 mb ATI card with the same result ...
3827
Fredrik Ahl
fredrikahl
Jul 7, 2005 5:57 pm
Brent, I have tried many configurations also with the same results and I think it's a limitation in Enviro. Ben should know, I'll guess he will comment on this...
3828
alexbabypace
Jul 8, 2005 7:10 am
Ben and all, I'm a freshman of vtp, and I dont know too much about its opensource software, but I have a lot of inerests in it. I have read some articles about...
3829
Roger James
rogerjames99
Jul 8, 2005 9:56 am
The simple answer is yes....
3830
Derek Moore
daxspoon
Jul 8, 2005 3:20 pm
Hello everyone, I heard there have been updates to the Project and would like to download the updates. Unfortunately I misplaced the site address to download...
3831
Fredrik Ahl
fredrikahl
Jul 8, 2005 4:19 pm
Hi Alex The realtime quality of the VTP tools can be excellent, and very bad. It's the same as asking an artist if a pen and paper are good tools. It all...
3832
Ben White
bgwhite@...
Jul 8, 2005 6:58 pm
Fedrik-- Not to go off topic but I took a look at your site - excellent grabs! In particular, nice tree models. Out of curiosity, are yours open source,...
3833
Fredrik Ahl
fredrikahl
Jul 10, 2005 7:25 pm
Thanks Ben Most of the trees is our own proprietary trees photographed in Sweden, but we also use some tree images that comes with 3D Natures Visual Nature...
3834
Ben White
bgwhite@...
Jul 10, 2005 11:43 pm
Dear Fredrik-- How unfortunate (still - gratz on the renderings, they look great). If anyone can recommend a good source for open source tree models, that ...
3835
Peter Morse
pmorse@...
Jul 11, 2005 12:35 am
Hi Ben W. have you checked out procedural generators such as: http://www.onyxtree.com/broadleaf.html whilst not opensource they might sponsor Ph.D. research by...
3836
Mathis Diego
diego.mathis@...
Jul 11, 2005 3:11 pm
Hello VTP Users Sorry, I dont remember exactly the tools names (I searched some years ago for a mapper tools to do plants and trees, was quake3-mapper), so I...
3837
Ben Discoe
bdiscoe
Jul 11, 2005 6:22 pm
Hi Yaming, ... Well, you're talking about the intersection of the frustum (a truncated pyramid) with the heightfield (where elevation can vary freely). The...
3838
Ben Discoe
bdiscoe
Jul 11, 2005 6:32 pm
Yaming, I wrote one response on the VTP mailing list, but i want to be sure that you ... The intersection is only approximately a trapezoid in very specific ...
3839
Ben Discoe
bdiscoe
Jul 11, 2005 6:53 pm
... Ben, the only known open source tree models are those in the VTP Plant Library, which you are already familiar with. The response from Peter Morse and...
3840
Ben White
bgwhite@...
Jul 11, 2005 7:02 pm
Dear Ben D. and the other members of the VTP Community-- Just a suggestion but the VTP library remains scarce in its range of species. There is, for example,...
3841
Roger James
rogerjames99
Jul 11, 2005 7:32 pm
... What might be even easier is to shoot a ray from the camera and see where it intersects the terrain (there is a function for this). You could also work out...
3842
Adam Hauldren
nlightuk
Jul 11, 2005 11:18 pm
... Since I've used all the software listed here at some point or another (and in the case of some, still do...), I thought I'd add a few points. ... I own a...
3843
Ben Discoe
bdiscoe
Jul 11, 2005 11:50 pm
... Adam, thanks for the software reviews, it's useful to have a more detailed impression than the links and brief summaries on the VTP site. Naturally, all...
3844
Ben White
bgwhite@...
Jul 12, 2005 1:29 am
Adam-- Thanks, this is really good. In past discusions Ben D. has briefed me on many of these products. But it is always good to get additional input. I...
3845
Luís Miguel Pinto
lupiaveiro
Jul 12, 2005 10:28 am
Hi everyone, Someone mentioned that it would be interesting if everyone could contribute with their own tree models for the VTP library, which is a very...
3846
Ben White
bgwhite@...
Jul 12, 2005 1:18 pm
Excellent idea! I would be happy to do my part as well, --Ben W. ... From: vtp@yahoogroups.com [mailto:vtp@yahoogroups.com] On Behalf Of Luís Miguel Pinto ...
3847
Adam Hauldren
nlightuk
Jul 12, 2005 1:38 pm
You are right about that link, Ben... I do not know when it was taken offline (or rather bought for use by another company) I have done some searching, and...
3848
Ben Discoe
bdiscoe
Jul 12, 2005 10:57 pm
Brent, There is no hard-coded limit to texture size in Enviro/vtlib. The limits are the RAM and driver of your graphics card. Consider that a 16k*16k texture...
3849
Chris 'Xenon'...
xenonofarcticus
Jul 12, 2005 11:22 pm
I think this is appropriate, given the recent questions about such things. This is the same library that is included with 3D Nature's WCS/VNS products. 13195...
3850
bfraser@...
fraser_brent_w
Jul 13, 2005 2:00 am
Ben, Well, I thought I would try. My calculations were: 1. 24-bit texture size = 768 mb Convert to: 2. 16-bit = 512 mb Use texture compression: 3. 512 / 4 =...
3851
Ben Discoe
bdiscoe
Jul 13, 2005 2:48 am
... Yeah, that's a familiar story. I remember back in the mid-90s in the VR industry, a constant comment from the public was, "why isn't your software as fast...
3852
chris
dragonmagi@...
Jul 13, 2005 3:12 am
... That's precisely what we encounter with planet-earth :) Brent, why are you/your user trying to use such large tiles without any distannce based...
