Re: [osg-users] Shadows in large Urban area

2010-12-28 Thread Adrian Egli OpenSceneGraph (3D)
Hi Linda, For such cases we have 2 reasonable shadow tecs: - Light Space Shadow Maps - Parallel Splited Shadow Maps did you tried out this both with osgShadow.exe -pssm or with osgShadow -lispsm ... Adrian 2010/12/28 Linda Lee : > Dear all, > > I am new to OSG and is thinking of implementi

Re: [osg-users] [vpb] geographic to geocentric coordinatetransformation

2010-12-28 Thread Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC
I'm glad things are working for you... -Shayne -Original Message- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of deniz diktas Sent: Tuesday, December 28, 2010 4:25 PM To: osg-users@lists.openscenegraph.org Subject: Re: [os

Re: [osg-users] [vpb] geographic to geocentric coordinate transformation

2010-12-28 Thread deniz diktas
1) oops.. you are right! I am not passing them in radians :-* ok I feel a little embarassed as of why I could not think of that :x I guess because I always tend to think in terms of opengl logic: in opengl you pass angles in degrees. 2) I have been able to see the terrain in osgviewer so no

Re: [osg-users] [build] Cannot load models

2010-12-28 Thread Torben Dannhauer
Hi, you can't use the PAT for loading. You could instantiate a PAT node, then use the static load function of osgDB to load the model and add the loaded model than as a child to the PAT. Add finally the PAT to the viewer. Now you should be able to display the model and influence its PAT. Che

Re: [osg-users] [vpb] geographic to geocentric coordinatetransformation

2010-12-28 Thread Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC
A couple more questions... 1) Are your lat, lon in radians when you call convertLatLongHeightToXYZ? 2) Have you tried viewing your database (terrain.ive) with osgviewer to see what it looks like (osgviewer terrain.ive)? If you can't see your database with osgviewer, then there's a problem with you

Re: [osg-users] StandardShadowMap effect

2010-12-28 Thread Wojciech Lewandowski
Hi Linda, I tried using cow.osg and have similar problem. I tried download the driver from AMD website but the latest version they have is 10.12 and it seems to keep crashing after installed. Do you think there is any work around using the ATI card like change the mapping method for the shad

Re: [osg-users] [vpb] geographic to geocentric coordinate transformation

2010-12-28 Thread deniz diktas
I am using osg::EllipsoidModel::convertLatLongHeightToXYZ() method to convert the coordinates as such: osg:::EllipsoidModel em; em.convertLatLongHeightToXYZ(_lat,_long,_alt, x,y,z); when building the model I used osgdem with the following parameters: osgdem --geocentric -d dted_dir -o terrain

Re: [osg-users] [vpb] geographic to geocentric coordinatetransformation

2010-12-28 Thread Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC
Deniz, Which method in EllipsoidModel were you using to do the transform from (lat,lon,alt) to (X,Y,Z)? Can you provide a code snippet on how you're doing the transform? Also provide the actual osgdem command you're using to build your database... -Shayne -Original Message- From: osg-us

Re: [osg-users] [vpb] geographic to geocentric coordinate transformation

2010-12-28 Thread deniz diktas
Hi Shayne, thank you for your reply. but the problem I am facing is related to the transformation. But I will keep your suggestion in mind when placing the camera, so thanks again :) The input to the application will be a flight-path given as a list of consecutive points in geographic coordinat

Re: [osg-users] StandardShadowMap effect

2010-12-28 Thread Linda Lee
Hi Wojtek Lewandowski, I tried using cow.osg and have similar problem. I tried download the driver from AMD website but the latest version they have is 10.12 and it seems to keep crashing after installed. Do you think there is any work around using the ATI card like change the mapping method

[osg-users] Shadows in large Urban area

2010-12-28 Thread Linda Lee
Dear all, I am new to OSG and is thinking of implementing shadows in a large urban area with lots of buildings. Could anyone tell me if this is feasible and what shadow tecnique should I used? Or should I try to implement a customized shadow algorithm? Would computation performance be an iss

Re: [osg-users] [vpb] geographic to geocentric coordinate transformation

2010-12-28 Thread Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC
Deniz, If you're using osgdem with the --geocentric flag set, you're building a geocentric database which is correct. Here's a code snippet that may help you position your camera on the spheroid in geocentric space. It sets the view matrix for the camera given the lat, lon and alt. Roll, pitch, a

Re: [osg-users] StandardShadowMap effect

2010-12-28 Thread Wojciech Lewandowski
Hi Linda, I tried using ShadowMap and the effect is the same. How do I check if my model is using texture coordinates on the same stage as shadow map (1 by default)? I tried using ShadowTexture and the effect is okay. Does osgshadow example look correct (using shadow map and default scene

Re: [osg-users] StandardShadowMap effect

2010-12-28 Thread Linda Lee
Hi Wojtek Lewandowski, Thanks for your help. I tried using ShadowMap and the effect is the same. How do I check if my model is using texture coordinates on the same stage as shadow map (1 by default)? I tried using ShadowTexture and the effect is okay. But it seems that of all Shadow effect

Re: [osg-users] How can I get the bounding box of an imported model?

2010-12-28 Thread Glenn Waldron
Try osg::ComputeBoundsVisitor. Glenn Waldron : Pelican Mapping : +1.703.652.4791 On Tue, Dec 28, 2010 at 4:03 AM, Axel Spirtaat wrote: > Hi, > > I need to place the imported model of a table on the floor of my virtual > room. Since the table is longer and wider than high, the related > boundin

Re: [osg-users] LOD::setRange crash

2010-12-28 Thread Vincent Bourdier
2010/12/26, issam boughanmi : > Hi, > using delta3d 2.4 +osg 2.8.2 > > > i have a pagedlod terrain built with vpb 0.9.10 (i think) and some other > objects in my scene > > i have a crash in my application > > after switching to the debug mode the crash occur in this line > > > Code: > > > void LOD:

Re: [osg-users] How can I get the bounding box of an imported model?

2010-12-28 Thread Alberto Luaces
"Axel Spirtaat" writes: > Hi, > > I need to place the imported model of a table on the floor of my virtual > room. Since the table is longer and wider than high, the related > boundingSphere radius is really imprecise and i can't place it correctly (i > use also bullet for physics). > Is it po

[osg-users] OpenSceneGraph Demos, Shadowing

2010-12-28 Thread Brit Clousing
Hi, I was evaluating OpenSceneGraph, so I tried downloading some demos. I downloaded openscenegraph-examples-2.8.2-win32-x86-vc90-Release.zip from [ URL REMOVED because the forums won't let me post a URL ] but none of the examples work because they're missing the dlls. So, I downloaded opens

[osg-users] [build] Cannot load models

2010-12-28 Thread Norton Pigozzo
Hi, I've been trying to load models using the osg::PositionAttitudeTransform class, since it has no constructors I have to make my own, but when I tried , a error message was displayed "there is no base class". Can anyone help me how to load a simple 3ds model with animations? Thank you! Nor

[osg-users] How can I get the bounding box of an imported model?

2010-12-28 Thread Axel Spirtaat
Hi, I need to place the imported model of a table on the floor of my virtual room. Since the table is longer and wider than high, the related boundingSphere radius is really imprecise and i can't place it correctly (i use also bullet for physics). Is it possible to get the bounding box of an o