Re: [osg-users] Copy Constructor Advice

2008-02-19 Thread Robert Osfield
Hi Jeremy, In your case where you have data being shared between a subclass and its base class I feel that this duplication of ref_ptr to the shared data is inappropriate. Rather what you should use in your own code is dynamic_castVec3Array* where you need access to the array, or to provide a

Re: [osg-users] Modifier key mask not working under OS X

2008-02-19 Thread Stephan Maximilian Huber
Nils Hjelte schrieb: When reading the modifier key mask from GUIEventAdapter in my event handler it is always zero. And using example_osgkeyboard nothing happens when pressing a modifier key. I have tested under Linux as well and there it works as expected. it looks like that the

Re: [osg-users] to draw landscapes beginning from a matrix

2008-02-19 Thread aurora restivo
Hi! the image jpg in enclosure, is the result of the terrain that I have drawn beginning from the matrix of the altitudes. I would want to know if a way exists for not visualizing the quotas equal to 0. the source code is found in the file morfologia.txt Thanks in advance. Aurora Restivo

[osg-users] MRT

2008-02-19 Thread Guy
Hi all, When using MRT, are all the targets passed to the rest of the pipeline (blending, accumulation, stencil etc)? Thanks, Guy. ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] Loading an Image file

2008-02-19 Thread wanyama harold
thanks Guy and J-s for your advice on loading image files. i used the quad idea with texture of an image but all i got to see was black.Have u ever tried it b4? if so some help would be welcome ___ Support the World Aids Awareness

[osg-users] HUD with perspective

2008-02-19 Thread arnaud houegbelo
Hello, I want to display a HUD without text but with perspective. I used the code exemple osghud.cpp. Instead of creating a geode with text I create a geode with a shape like sphere or box. It woks fine. But I want to display it with a perspective. When I create the osg::Camera instead of using

Re: [osg-users] HUD with perspective

2008-02-19 Thread Robert Osfield
Hi Arnuad, You'll need to specify a view matrix for the camera to position the view frustum over the part of the HUD scene you want. Robert. On Feb 19, 2008 1:18 PM, arnaud houegbelo [EMAIL PROTECTED] wrote: Hello, I want to display a HUD without text but with perspective. I used the code

Re: [osg-users] HUD with perspective

2008-02-19 Thread Robert Osfield
On Feb 19, 2008 1:31 PM, arnaud houegbelo [EMAIL PROTECTED] wrote: Hi Robert, Many Thanks for your answer but can you give me a small code exemple? How long is a piece of string? What is the sound of one hand clapping? Both questions one can't really answer... and code example that does

Re: [osg-users] to draw landscapes beginning from a matrix

2008-02-19 Thread Robert Osfield
Hi Aurora, I think what you are looking for is the osgTerrain::ValidDataOperator that you can attach to your elevation layer via Layer::setValidDataOperator(operator); In include/osgTerrain/ValidDataOperator you'll find the NoDataValue subclass which is probably what you want to use in your

[osg-users] Plug in for L3DT hf2 files

2008-02-19 Thread Brian
Hi Robert, I have written a plug that reads L3DT(.hf2) height field files. Would you be interested in adding this plug to OSG. Brian -- http://osgscenemaker.googlepages.com ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] HUD with perspective

2008-02-19 Thread arnaud houegbelo
Hi Robert, Many Thanks for your answer but can you give me a small code exemple? Best Regards Arnaud Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs

Re: [osg-users] Crisp texture mapping with OverlayNode

2008-02-19 Thread Gordon Tomlinson
I think one thing that may alleviate the blending a bit is to set your texture filters to nearest neighbour ( but you will never remove this type of issue with textures and lines due to mip-maping among other things) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]

Re: [osg-users] Crisp texture mapping with OverlayNode

2008-02-19 Thread Glenn Waldron
You can try OvelayNode::setOverlayTextureSizeHint() to increase the size of the texture to 2048 or 4096 or whatever your gfx card can handle, and see if the results are acceptable. -gw -- Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : 703-652-4791 On Feb 19, 2008 10:04 AM, Cole,

Re: [osg-users] Crisp texture mapping with OverlayNode

2008-02-19 Thread Robert Osfield
Hi Chunk, The fuzziness you see is under sampling due to the texture being captured in objects space rather than in screen space - one texel on the overlay texture is being sampled by many screen pixels. Ideally you want a 1:1 mapping, but this is very hard to achieve and different algorithms

Re: [osg-users] Copy Constructor Advice

2008-02-19 Thread Jeremy Moles
On Tue, 2008-02-19 at 09:44 +, Robert Osfield wrote: Hi Jeremy, In your case where you have data being shared between a subclass and its base class I feel that this duplication of ref_ptr to the shared data is inappropriate. Rather what you should use in your own code is

[osg-users] HUD with perspective

2008-02-19 Thread arnaud houegbelo
Many Thanks for the funny answer :) I knwo that I must use setViewMatrix(), but I already tried to use it with a perpective matrix with no good result. But perhaps my parameter are wrong. But if you said that I can use the osghud.cpp exemple and apply a view matrix on the camera is going to be

Re: [osg-users] a ; too many

2008-02-19 Thread Robert Osfield
Thanks for reporting this Anders, this. The ; was indeed erroneous, fix a bug, introduce a bug... I've now removed the ; and checked in this fix. On Feb 19, 2008 2:52 PM, Anders Backman [EMAIL PROTECTED] wrote: When I build osg from svn today I got the warning: .\ParticleSystem.cpp(187) :

[osg-users] a ; too many

2008-02-19 Thread Anders Backman
When I build osg from svn today I got the warning: .\ParticleSystem.cpp(187) : warning C4390: ';' : empty controlled statement found; is this the intent? Looks like a feature to me. if (currentParticle-getShape() != startParticle-getShape()); {

Re: [osg-users] OSG .NET demo using C++/CLI

2008-02-19 Thread Jason Beverage
Hi Hesicong, Thanks for posting this, this looks like a nice little demo and something nice to play with. Thanks! Jason On Feb 19, 2008 4:42 AM, hesicong2006 [EMAIL PROTECTED] wrote: I have done a simple demo written in C++/CLI to show how you can integrate OSG with .NET. This demo shows

[osg-users] HUD with perspective

2008-02-19 Thread arnaud houegbelo
Hi Robert, In the code exemple osghud.cpp we have the possibility to avoid to the camera to grab the event of the main camera viewers with camera-setAllowEventFocus(false); I want that my HUD oject use my trackball event for dipslay (eg if I make rotation the HUD follow the trackball rotation).

Re: [osg-users] HUD with perspective

2008-02-19 Thread Per Rosengren
You have to set both the view matrix and the projection matrix of the camera. The view matrix is the pose of the scene coordinate system in the camera coordinate system. Use voidsetViewMatrixAsLookAt (const osg::Vec3 eye, const osg::Vec3 center, const osg::Vec3 up) and provide it with the

Re: [osg-users] HUD with perspective

2008-02-19 Thread Robert Osfield
On Feb 19, 2008 4:19 PM, arnaud houegbelo [EMAIL PROTECTED] wrote: In the code exemple osghud.cpp we have the possibility to avoid to the camera to grab the event of the main camera viewers with camera-setAllowEventFocus(false); I want that my HUD oject use my trackball event for dipslay (eg

[osg-users] HUD with perspective

2008-02-19 Thread arnaud houegbelo
Many thanks for your answer Per Rosengren, I tried it and it works fine. Sorry, but I forgot to use the Look at function. Many thanks Best Regards Arnaud You have to set both the view matrix and the projection matrix of the camera. The view matrix is the pose of the scene coordinate

Re: [osg-users] Help with OpenFlight....

2008-02-19 Thread Brian R Hill
The openflight plugin doesn't support writing. I think someone is OSG land is developing the openflight writer (paul martz???). Brian [EMAIL PROTECTED] wrote: - To: osg-users@lists.openscenegraph.org From: [EMAIL PROTECTED] Sent by: [EMAIL PROTECTED] Date: 02/19/2008 12:06PM Subject:

[osg-users] Help with OpenFlight....

2008-02-19 Thread neil.hughes
Hi All, Encountered a slight problem that I don't quite understand. I have a scene (or universe if you like) and I want to save it as an openflight (.FLT) format. Tracking through the call to write the universe node, I get to the point where it needs to load in the osgdb_OpenFlightd.dll

Re: [osg-users] LOD with ProxyNode vs. PagedLOD

2008-02-19 Thread Paul Martz
The biggest difference is that the DatabasePager works with PagedLOD Nodes but not with ProxyNodes. You'd have to write your own paging thread or block rendering while you load. -Paul _ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Bradford, Chase Sent: Tuesday,

Re: [osg-users] Crisp texture mapping with OverlayNode

2008-02-19 Thread Glenn Waldron
On Feb 19, 2008 10:51 AM, Cole, Charles E. (LARC-B702)[GENEX SYSTEMS] [EMAIL PROTECTED] wrote: Hi all, You can try OvelayNode::setOverlayTextureSizeHint() to increase the size of the texture to 2048 or 4096 or whatever your gfx card can handle, and see if the results are acceptable. -gw

Re: [osg-users] Crisp texture mapping with OverlayNode

2008-02-19 Thread Cole, Charles E. (LARC-B702)[GENEX SYSTEMS]
Hi all, You can try OvelayNode::setOverlayTextureSizeHint() to increase the size of the texture to 2048 or 4096 or whatever your gfx card can handle, and see if the results are acceptable. -gw Thanks Glenn. This did help. I had set it at 1024. Unfortunately, it still wasn't quite what I was

[osg-users] LOD with ProxyNode vs. PagedLOD

2008-02-19 Thread Bradford, Chase
Hey Everyone, Can anyone explain the significant differences between using an LOD that has many ProxyNode children for paging vs. a full PagedLOD node? Right now, the biggest benefit that I see for PagedLOD nodes is that they'll continue to shower lower quality children until the next higher

Re: [osg-users] LOD with ProxyNode vs. PagedLOD

2008-02-19 Thread Robert Osfield
On Feb 19, 2008 3:25 PM, Bradford, Chase [EMAIL PROTECTED] wrote: Can anyone explain the significant differences between using an LOD that has many ProxyNode children for paging vs. a full PagedLOD node? Right now, the biggest benefit that I see for PagedLOD nodes is that they'll continue to

[osg-users] HUD using the main camera event viewer

2008-02-19 Thread arnaud houegbelo
Hello All, In the code exemple osghud.cpp we have the possibility to avoid to the camera to grab the event of the main camera viewers with camera-setAllowEventFocus(false); I want that my HUD oject use my trackball event for dipslay (eg if I make rotation the HUD follow the trackball rotation).

Re: [osg-users] LOD with ProxyNode vs. PagedLOD

2008-02-19 Thread Brian R Hill
The ProxyNode isn't paged. It gets loaded and stays loaded. The PagedLODNode get's paged in / out based on distance from the camera. Brian [EMAIL PROTECTED] wrote: - To: [EMAIL PROTECTED] From: Bradford, Chase [EMAIL PROTECTED] Sent by: [EMAIL PROTECTED] Date: 02/19/2008 10:25AM Subject:

Re: [osg-users] BlueMarbleViewer

2008-02-19 Thread Robert Osfield
Hi Umit, Just use VirtualPlanetBuilder/osgdem and add the extra high res data you have - this is what VPB is designed for. You'll be able to browse the data in just the same way as a paged database based on just blue marble data. Robert. 2008/2/19 ümit uzun [EMAIL PROTECTED]: Hi All, I

Re: [osg-users] FW: Image border duplicated

2008-02-19 Thread Robert Osfield
Hi David, I have seen this problem with osgdem before. Which version of osgdem/VPB are you using? Robert. On Feb 19, 2008 5:08 PM, Riepl, David M [EMAIL PROTECTED] wrote: All, I have created a terrain database using osgdem with DTED .dt1 and 5m imagery. I have osgdem reproject my

Re: [osg-users] FW: Image border duplicated

2008-02-19 Thread Robert Osfield
On Feb 19, 2008 6:15 PM, Robert Osfield [EMAIL PROTECTED] wrote: Hi David, I have seen this problem with osgdem before. Which version of osgdem/VPB are you using? Sorry typo, I *haven't* seen this problem with osgdem before. Robert. ___ osg-users

Re: [osg-users] Problems toggling texture with 't' key

2008-02-19 Thread Robert Osfield
Hi Paul, This is known threading problem in osgGA::StateSetManipulator when using osgViewer's DrawThreadPerContext/CullThreadPerCameraDrawThreadPerContext threading models. I haven't yet had time to fix it, but it is firmly on my TODO list. Robert. On Feb 19, 2008 5:11 PM, Paul Martz [EMAIL

[osg-users] BlueMarbleViewer

2008-02-19 Thread ümit uzun
Hi All, I look at http://www.andesengineering.com/BlueMarbleViewer/ page to modeling earth using bluemarble images. I download images which name land_shallow_topo_east.tif and land_shallow_topo_west.tif from ftp://veftp.gsfc.nasa.gov/bluemarble/ Now I want to to add different resoluted

Re: [osg-users] Loading an image file

2008-02-19 Thread Mike Weiblen
Hi, Try: osgviewer --image reflect.rgb For a quick way to put an image on a quad. Have a look at the code to see how the quad is defined relative to the image dimensions. Cheers -- mew -Original Message- From: [EMAIL PROTECTED] [mailto:osg-users- [EMAIL PROTECTED] On Behalf Of

Re: [osg-users] Modify Object After Picking

2008-02-19 Thread Paul Martz
I have done this before, and the results are interesting but not high quality due to differences in line/polygon rasterization. Still a good trick nonetheless. -Paul glPolygonOffset()? Yes. This is actually what I used to do (not exactly as the original poster described it):

Re: [osg-users] Printing the scene graph as text

2008-02-19 Thread Mike Weiblen
Hi, Saving the scene to a .osg file already yields a fairly readable ASCII text file, or are you proposing even greater verbosity? From a convenience standpoint, agree it could be handy to overload the insertion operator to add Node support. Cheers -- mew -Original Message- From:

Re: [osg-users] HUD using the main camera event viewer

2008-02-19 Thread Robert Osfield
Hi Arnaud, I don't know how you have added the HUD Camera so giving specific advice is not possible. What you will need to do is pass the view matrix you want onto the camera on each frame after the eventTraversal(). If you break the frame loop out into its constituent parts this will be

Re: [osg-users] Modify Object After Picking

2008-02-19 Thread Mike Weiblen
-Original Message- From: [EMAIL PROTECTED] [mailto:osg-users- [EMAIL PROTECTED] On Behalf Of Paul Martz Sent: Friday, February 15, 2008 8:20 AM To: 'OpenSceneGraph Users' Subject: Re: [osg-users] Modify Object After Picking An extension to this, which I've read about but never

Re: [osg-users] BlueMarbleViewer

2008-02-19 Thread ümit uzun
Thanks Robert, I will use VPB/osgdem . This process will take a long time, so I don't make a mistake. I will use this command; osgdem --bluemarble-west -t ../land_shallow_topo_west.tif \ --bluemarble-east -t ../land_shallow_topo_east.tif \ -t MyOrthoImage.tif \

[osg-users] PRoblem with osgdb_freetype

2008-02-19 Thread Anders Backman
Hi all. Before I dwell into debugging-mode. Is there anyone having problems with the svn version of osg when it comes to loading freetype fonts with the osgdb_freetype plugin? After I checked out the latest osg from svn I had problems with loading fonts. My colleague running linux has the same

[osg-users] Flight file

2008-02-19 Thread Chris Back
I was wondering if anyone had experience with creating flight files and could expand on how the nodes are generated in a flight file. I am trying to make an assembly from Pro/E and from what I have seen the whole assembly is one single piece. I am trying to figure out how it works but I am using

Re: [osg-users] FW: Image border duplicated

2008-02-19 Thread Riepl, David M
Robert, I am using osgdem associated with osg 1.2 because that is the version the target Image Generator software is using. David Riepl Visualization IG/DB Team Training Systems Services The Boeing Company 314-777-4741 -Original Message- From: Robert Osfield [mailto:[EMAIL PROTECTED]

Re: [osg-users] Flight file

2008-02-19 Thread Brian R Hill
We've never been able to get heirarchies from CAD models into flight files. We split the components up in the CAD program, convert them individually, then reassemble them in Creator - adding the DOF, LOD, Switch, Group... nodes. Brian [EMAIL PROTECTED] wrote: - To:

Re: [osg-users] Flight file

2008-02-19 Thread Paul Martz
I'm familiar with PolyTrans -- I'm currently writing an OSG exporter for it -- familiar enough to know that there are lots of issues translating from one format to another. However, you didn't describe a specific problem in your email, so I'm not sure where to begin to help you. You could send

Re: [osg-users] Help with OpenFlight....

2008-02-19 Thread neil.hughes
Hi All, Thanks for the comments about openflight. I guess I have to wait for Paul's work to become available. Would be happy to beta test if that is any help, although I confess to not knowing anything about the details of the flt format. Having said all this, I guess the point of my mail is

[osg-users] converting .svg to .osg?

2008-02-19 Thread Mike Weiblen
Hi, What is the easiest path getting a .svg file into OSG, for conversion to .osg format? Thanks -- mew ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] Help with OpenFlight.... (UNCLASSIFIED)

2008-02-19 Thread Buckley, Bob CTR MDA/IC
Classification: UNCLASSIFIED Caveats: NONE Check your Open Flight loader to ensure it's the same format as your OSG library (i.e. 32 bit -vs- 64 bit). Unless you're running on an Itanium, chances are you have a 32bit OpenFlight loader and a 64bit OSG/App. -Original Message- From:

Re: [osg-users] converting .svg to .osg?

2008-02-19 Thread Bob Huebert
A quick option may be to run the svg file through blender and it's osgexporter. Just a thought... osgcairo, would of course, be much higher on the coolness scale :-) -bob On Tue, 19 Feb 2008, Jeremy Moles wrote: On Tue, 2008-02-19 at 14:18 -0600, Mike Weiblen wrote: Hi, What is the

Re: [osg-users] converting .svg to .osg?

2008-02-19 Thread Jeremy Moles
On Tue, 2008-02-19 at 14:18 -0600, Mike Weiblen wrote: Hi, What is the easiest path getting a .svg file into OSG, for conversion to .osg format? Oh! Oh! Oh! Add support for that to osgCairo! :) I've been meaning to do it forever, but just haven't had time... this would be an awesome

[osg-users] Texture2DArray shows up black

2008-02-19 Thread Sean Carmody
Hi All, I'm trying to get Texture2DArrays working, but am having some trouble. My textures always show up black. I'm setting up the texture array as follows ref_ptrTexture2DArray textureArray = new Texture2DArray; textureArray-setTextureDepth(1); Image* image =

Re: [osg-users] converting .svg to .osg?

2008-02-19 Thread Mike Weiblen
Just looking for a quick conversion of .svg vector art (specifically the ISO 12233 test chart at http://www.graphics.cornell.edu/~westin/misc/res-chart.html) into OSG/OpenGL verts/geometry in a .osg file. No imagery or prerasterization; that would defeat the value of the test chart geometry.

Re: [osg-users] Help with OpenFlight.... (UNCLASSIFIED)

2008-02-19 Thread Paul Martz
Another possibility is missing VS8 C runtime libs. Those will need to be present in the plugins directory, unless you've a) already got them installed in WinSxS, or b) you have VS8 on your computer. -Paul -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On

Re: [osg-users] converting .svg to .osg?

2008-02-19 Thread Jeremy Moles
On Tue, 2008-02-19 at 16:15 -0600, Mike Weiblen wrote: Just looking for a quick conversion of .svg vector art (specifically the ISO 12233 test chart at http://www.graphics.cornell.edu/~westin/misc/res-chart.html) into OSG/OpenGL verts/geometry in a .osg file. No imagery or

Re: [osg-users] LOD problems using OSG with TerraPage

2008-02-19 Thread Guthrie, David A
This is actually a known problem according to the Terrex developers. You can see the problem sometimes by just sitting in one place and rotating the camera slightly. We got some updated code from them as a pre-release that, according to them, fixed the problem. It didn't really fix it,

Re: [osg-users] converting .svg to .osg? ... or project from svg to svg

2008-02-19 Thread Per Rosengren
I have used 3dldf (http://www.gnu.org/software/3dldf/) earlier to create vector graphics from 3d models. It would be extremely cool to extend osg to create vector graphics output with an SVG Viewer! Imagine infinite resolution rendering! This would be really difficult, since you can't use depth