[osg-users] IVE referenced textures...

Hi All, Sorry to bother you but I have an FLT file that references a number of textures via relative paths, and I wish to save this scenegraph as an IVE file, maintaining the relative path references to the textures so that the IVE doesn't become too large. When I save the scene graph as an

Re: [osg-users] 3DS loader revisited?

Hi Sukender Robert, Just to emphasise what has already been said really, but we have literally 10's of thousands of 3DS models for various manufacturer's products, so whilst I accept there are significant limitations with 3DS structure now compared to more modern formats, the sheer size of

Re: [osg-users] Ask for osgviewerMFC memory consumption explanations

Hi Alex, There could be any number of reasons why this could be happening, and obviously some down to coding, however if you are using caching at all, then it maybe down to how long you've told the cache to keep the models, even when not used. I can't remember what the default is, but if set

[osg-users] Problem with Collada plugin...

Hi All, Has anyone else had a problem with the collada plugin whereby if the name of an osg node has a space in it, then if this is assigned to a url, source or target attribute - as is the case for geometries and materials - the spaces are replaced with %20. This would be ok, but the actual

Re: [osg-users] Collada (dae) Reader/Writer issue....

Hi J-S, Thanks for getting back to me. I'll look to test this today. I suppose a related question would be whether the Collada reader/writer should be amended to make use of this explicitly itself? The issue being that given this is a graphics driver issue, and our software may be run on

Re: [osg-users] Collada (dae) Reader/Writer issue....

Hi J-S, I've now had chance to have a look at your suggested optimisations, and I think they form the basis of a solution for me, so thanks for that. However there is one thing which troubles me a little, which is that the FLATTEN_STATIC_TRANSFORMS_DUPLICATING_SHARED_SUBGRAPHS optimisation,

[osg-users] Texture object preparation...

Hi All, Is there a way I can get a Texture to perform its preparation at construction time, rather than when it is first required for rendering? Essentially I'm noticing a significant lag on the first frame that requires a Texture to be rendered. I've tracked it down to the Texture::apply()

[osg-users] Image file PagedLOD...

Hi All, Has anyone come across a scenario where they wished to have PagedLOD that instead of handling Nodes, handle images ? Essentially I find myself in a position where I have a model that references a texture, but that texture is quite large, and even with reducing the texture size with

Re: [osg-users] Image file PagedLOD...

Thanks Jason, I'll take a look later today. Jason Beverage jasonbever...@gmail.com wrote: Hi Neil, The osgEarth project does essentially what you are looking for. Check it out at http://www.osgearth.org Thanks, Jason On Fri, Jun 12, 2009 at 5:08 AM, neil.hug...@tesco.net

[osg-users] PluginStrData....

Hi Robert, I hope you're over your cold/flu now? I'm looking at the PluginStrData work , and wondered whether you think the setPluginStrData and getPluginStrData should be made case insensitive? I was thinking to force the 'set' parameters through the osgDB::convertToLowerCase function. It

Re: [osg-users] Regression in .zip loader?

Hi Ulrich Robert, I've just done a cursory scan of the code again, and can't quite see what could be going wrong. However, I do note that the GetZipItem function can return an error state that the code isn't checking for. I'll try and have a look at it tomorrow, and set up a similar example

Re: [osg-users] Regression in .zip loader?

Hi Ulrich, If you've taken the recent trunk checkins, then the answer is yes, there have been some recent changes to the .zip loader. However, I had hoped that there would be no downsides to the amendments made. Essentially, where as previously the expansion of the .zip file was performed to

Re: [osg-users] Taking it easy for a couple of days

Hi Robert, Hope you get well soon. Coincidently, this article appeared on the bbc today. So manflu does exist :-) http://news.bbc.co.uk/1/hi/health/8047321.stm Kind regards Neil. Robert Osfield robert.osfi...@gmail.com wrote: Hi All, I've gone down with a bad cold, so am

Re: [osg-users] Change cursor with object under mouse

Hi Romain, The way I did this was with a custom PickHandler. If you look at the PickHandler example - I think its the scribeFX one - you basically get the mouse events coming in. It gives you an opportunity to do your line intersections to determine the object under the mouse, at which point

[osg-users] The mystery of the Disappearing Texture....

Hi All, I have an application that employs OSG in a window. I load a scene with textures and everything is fine. If I move the window to a different screen, the textures disappear ! I move the window back to the original screen, the textures reappear. Back-and-forth my window goes from screen

Re: [osg-users] The mystery of the Disappearing Texture....

Hi Robert, Thanks for the info. Guess I'll stick to one monitor for the moment ;-( Neil. Robert Osfield robert.osfi...@gmail.com wrote: Hi Neil, This will be a driver dependent issue, the driver/OS managing graphics contexts behind the scenes for you, but not doing it 100%

Re: [osg-users] custom search paths...

Hi Robert, Thanks for the reply, I'll look into this approach. Neil. Robert Osfield robert.osfi...@gmail.com wrote: Hi Neil, The ReaderWriter::Options structure has a data file path list built into it, this is checked before the main data file path list stored in the Registry is

Re: [osg-users] custom search paths...

Hi Robert, I've had a look at this, and whilst it will address the specific scenario I described, I left out a little top spin to the scenario that has some bearing on the issue. Not only do I want to specify the directory where the search looks, but I also wish to amend the file extension.

Re: [osg-users] custom search paths...

Hi Robert, I suspect we may be saying the same thing, and perhaps I haven't explained myself clearly. All I'm suggesting is a slight amendment to the search functions to delegate to an application supplied readfilecallback the role of searching when the default search has failed to locate the

[osg-users] Cache system...

Hi All, I'm looking for some thoughts, and advice, on the cache process within OSG. Essentially a while ago (OSG1.2) I wrote an app that implemented its own node/texture cache in memory as I didn't want to be writing things to the file system as permissions were potentially a problem. I'm now

[osg-users] Cache system...

Hi All, I'm looking for some thoughts, and advice, on the cache process within OSG. Essentially a while ago (OSG1.2) I wrote an app that implemented its own node/texture cache in memory as I didn't want to be writing things to the file system as permissions were potentially a problem. I'm now

Re: [osg-users] Cache system...

Hi Stephan, Thanks for coming back to me. I think I confused myself with the filecache concept. thanks for the hint. I've now tracked through and found out what is happening, so it looks like I don't need to implement my own cache, which is great. Thanks again. neil. Stephan

Re: [osg-users] ObjectType querry...

Hi Robert, Please ignor last email, and this request. I've just realised what to do. Put it down to temporary moment of insanity on my part. Thanks for help. Neil. neil.hug...@tesco.net wrote: Hi Robert, Thanks for coming back to me so quickly, however I don't think I made myself

[osg-users] ObjectType querry...

Hi All, Can anyone tell me whether there is a way (call) in OSG to say what type of object a plugin will produce ? i.e. if I have a file A.jpg and I call osgDB::Registry::instance()-getReaderWriterForExtension passing in the file extension, I get the readerwriter. What I would like to know is

[osg-users] SetAttribute crash...

Hi All, I have a standalone windows application (MDI) that embeds OSG in a window, loads an object, applies a texture, and displays the object for viewing. This works fine. No problems at all. I've also got a more complicated ActiveX control that does the same sort of thing, and this works

[osg-users] SetAttribute crash...

Hi All, I have a standalone windows application (MDI) that embeds OSG in a window, loads an object, applies a texture, and displays the object for viewing. This works fine. No problems at all. I've also got a more complicated ActiveX control that does the same sort of thing, and this works

[osg-users] SetAttribute crash...

Hi All, I have a standalone windows application (MDI) that embeds OSG in a window, loads an object, applies a texture, and displays the object for viewing. This works fine. No problems at all. I've also got a more complicated ActiveX control that does the same sort of thing, and this works

Re: [osg-users] SetAttribute crash...

Hi All, Email client going wrong again. Seems like three instances of message sent. Sorry. Neil. neil.hug...@tesco.net wrote: Hi All, I have a standalone windows application (MDI) that embeds OSG in a window, loads an object, applies a texture, and displays the object for viewing.

Re: [osg-users] SetAttribute crash...

Hi robert thanks for the response. I sense the bullet heading my way ;-( will ponder a little longer. Neil. Robert Osfield robert.osfi...@gmail.com wrote: Hi Neil, The best thing you could look at is to check that the object you are trying to set is a valid object, and hasn't been

Re: [osg-users] PNG not displaying correctly..

Hi Paul, That worked fine. I shall investigate further. Thanks for the help Neil. Paul Martz pma...@skew-matrix.com wrote: Try osgviewer --image filename and see if you get different results. Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com +1 303 859 9466

Re: [osg-users] PNG not displaying correctly..

Hi Stephan, I'm not sure. I shall investigate further. Paul's suggestion has demonstrated that the osgviewer displays the png correctly, so I guess that, coupled with you suggestion, gives me a good starting point for investigating what's wrong at my end. Many thanks. Neil Stephan

[osg-users] PNG not displaying correctly..

Hi All, Please find attached a png file that has a purple circle, black boarder, and an alpha channel. I'm using OSG1.2, and trying to read it in via the png pluggin, and apply it to an object. The PNG loads, but the alpha channel is being ignored, and I get solid white instead of the

Re: [osg-users] memory leak false positives on Windows

Hi All, As a simple user of OSG in a Microsoft VS environment, I would like to say that this one issue is the most frustrating concern I have about continuing to use OSG. I recognise that for those who don't use Microsoft VS the problem doesn't occur, but, for a large proportion of OSG users,

[osg-users] How does DEEP_COPY_ALL treat textures?

Hi All, Can anyone assist with an issue/misunderstanding I'm having when using DEEP_COPY_ALL please ? The issue is that if I have a cube that I apply a texture to and add to the scenegraph. This displays very quickly and no problems. If then do a clone operation on the cube - say 400 times -

[osg-users] How does DEEP_COPY_ALL treat textures?

Hi All, Can anyone assist with an issue/misunderstanding I'm having when using DEEP_COPY_ALL please ? The issue is that if I have a cube that I apply a texture to and add to the scenegraph. This displays very quickly and no problems. If then do a clone operation on the cube - say 400 times -

[osg-users] How does DEEP_COPY_ALL treat textures?

Hi All, Can anyone assist with an issue/misunderstanding I'm having when using DEEP_COPY_ALL please ? The issue is that if I have a cube that I apply a texture to and add to the scenegraph. This displays very quickly and no problems. If then do a clone operation on the cube - say 400 times -

[osg-users] [RE] How does Deep_Copy work - take 2.

Hi Robert et al, First please accept my apologee for the previous email getting sent 3 times. I don't quite know what happened there, but it certainly wasn't intended. Gremlins in my system somewhere I would guess. Sorry. In regards to the clone operation, is there a more optimum alternative

[osg-users] How to deduce the implied size of texture from coordinate mappings....

Hi All, I've had a look through the mail archives, and I don't think this has been asked before, so I was hoping someone might be able give some guidence to me on a question I'm bashing my head with at the moment. Its not strictly an osg question - though I am using osg to try and solve it.

[osg-users] RE How to deduce texture size....

Hi Art and Gordon, Thanks for coming back to me. I guess I need to try and get some more info about the the texture that was originally applied. Great support, as ever, from OSG users. Kind regards Neil. ___ osg-users mailing list

[osg-users] Re How to deduce texture size ....

Hi Art and Gordon, A further thought on this was that I omitted to mention that I do know that the 3D coordinates of the triangles on my object are all in mm. Given that I therefore know the real world size of the triangle, and for each vertex I know the S,T co-ordinate in the texture domain,

[osg-users] Re How to deduce texture size ....

Hi Art and Gordon, A further thought on this was that I omitted to mention that I do know that the 3D coordinates of the triangles on my object are all in mm. Given that I therefore know the real world size of the triangle, and for each vertex I know the S,T co-ordinate in the texture domain,

[osg-users] Re Hoe to deduce texture size...

Hi Gordon, Many thanks for that. I'll need to scratch head and see if more info on texture is available. Neil. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] Seeking help in understanding HEADLIGHT light...

Hi Robert, thanks for coming back to me. One thing I left out of my mail was that I'm still using OSG 1.2 - though looking to migrate very soon. Is your response still valid for OSG 1.2? Neil. ___ osg-users mailing list

[osg-users] Seeking help in understanding HEADLIGHT light...

Hi All, I'm trying to adjust the light that is created as part of the HEADLIGHT option, as it appears to be washing out an another light that I have in my scene. Essentially I'd like to take its effect down so that it only comes into play when I'm close to an object. I've tried adjusting the

Re: [osg-users] Coordinate system mapping from WTK to OSG...

Hi Jason, thanks for the comments. I think I've got to the bottom of it now. There is some rather irritating issues associated with which rotation is performed first. Finally got an ordering (trial-and-error) that did what it was supposed to do. Coupled with the rotation about X I feel

[osg-users] Coordinate system mapping from WTK to OSG...

Hi All, At the risk of appearing very dense, could I ask for a little help with a problem that I have been banging my head against a wall with for the the past week? The problem is that I have a position and orientation of an observer described by a position vector, and a vector of euler

Re: [osg-users] What's the mpr.dll ?

Hi, You've just encountered the wonderful world of Windows. If you look up the mpr.dll problem on the internet, you eventually get to find out that the Depends.exe of windows has problems with late binding dependencies. This is really an issue with Depends, not your programme. The best

Re: [osg-users] Highly detailed closed scene navigations...

Hi Jason Robert, Sorry for not getting back to you sooner. Many thanks for the info. I guess I'm going to have to just suck-and-see. The occluder route looks to have the greatest gains for me. Once again, many thanks to yourselves and the forum. Kind regards Neil.

[osg-users] Highly detailed closed scene navigations...

Hi All, Not sure if I've got the correct title for this question, but hopefully the forum might be able to help. Suppose that I wish to model a complete office in OSG. The office is on two floors, the downstairs split into many rooms, the upstairs open plan. Desks, computers, windows, doors

Re: [osg-users] RE FLT export submission imminent

Hi Paul, Bob Robert, Once again many thanks for the work you guys are doing. Robert, thanks for the advice. I'd thought of this route myself, and have consequently been trying to get the latest SVN, but for some reason it keeps hanging. Probably my company network causing grief ;-( Bob

Re: [osg-users] Building Collada plugin in OSG 1.2....

Hi Steve, Thanks for the info. I'll give Dom1.3 a look just to get up to speed with Collada. Cheers Neil. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

[osg-users] RE FLT export submission imminent (Paul Martz)

Hi Paul, Will your work integrate with OSG1.2 ? Irrespective of that, I will give it a go soonest and give you some feedback. Many thanks for doing this work, as you know I've been champing-at-the-bit for it. Thanks also to your funding source :-) Kind regards Neil.

[osg-users] RE OSG to Multi-Gen Creator...

Hi Robert, Sorry for the noise. In part I couldn't remember what I'd asked before, but also the emphasis of my request was slightly different in that, as I don't know creator at all and don't even have the application, I don't know what other formats it can take in. I do, however, have a

[osg-users] RE OSG to Multi-Gen Creator...

Hi Robert and Gordon, Many thanks for the responses. I think I failed to make my problem clear. Sorry. I have an OSG scene. My client needs to load this into Creator to do some additional work on it. Once he has finished his work, he exports to FLT from Creator, and runs osgconv to convert it

[osg-users] RE. Philips WOW TV displays...

Hi Robert and Kim Many thanks for the info. This should make life a little easier I hope. In regards to the depth resolution, Kim's observations tie up with what we've observed. As we fly closer into the room - a kitchen in our case - the back half of the room suddenly looses depth

[osg-users] Philips WOW TV displays...

Hi All, Not sure I've asked this before. If I have, sorry. I've got access to a couple of Philips WOW TV's for a few days, and a colleague has been playing with them for the past week. One of the supporting applications is written in OSG, and generates a split screen image. The left half is

[osg-users] RE Plugin loading problems....

Hi Robert Gordon, Thanks for your interest in this. I'm as certain as I can be that the dll is failing to load because its usage is within an ActiveX control. Under Visual studio you can switch on extended information for seeing what happens when the LoadLibrary is performed. The output

[osg-users] RE Plugin loading problems....

Hi All, I think I can now shed some more light on this problem, and perhaps I have found a potential bug. In the last update to this issue I had tracked the problem down to something to do with osgSim not wanting to load as a dependency of osgDB_ive.dll - and osgDB_flt.dll. On further

Re: [osg-users] RE Plugin loading problems....

Hi Robert, thanks for coming back to me. I think you're correct. I think this is an issue within MS and ActiveX controls. It does appear that that the LoadLibrary has issues resolving dependencies of libraries that are being loaded, when issued from within an ActiveX control. Obviously this

[osg-users] Plugin loading problems....

Hi All, I asked this question a couple of weeks ago, and Paul and others were kind enough to offer some advice, but I'm still having problems so I thought I would reword it a little to see if it sparks any more ideas with the forum. The issue I have is that I have an ActiveX control that wraps

[osg-users] OSG file format and textures...

Hi Robert, thanks for getting back to me. I think there is probably a whole load of confussion at my on this point. I had mistakenly assumed that the information I was looking at in the OSG file was the embedded textures. Doh! Evidently I should try reading the node names in the osg file.

[osg-users] OSG file format and textures...

Hi All, Sorry if this is an old chestnut, but I got a question about the .osg file format. I've got a scene created, and I save the universe out as a .osg file. I've passed no options through in the the call, so the file that's created appears to have the textures that the scene uses actually

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

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] Help with OpenFlight....

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] Re How to override plugins...

Hi Robert, Thanks for that. I thought it would be easier to derive from existing zip reader, but evidently that wasn't the way to do it as I then ended up creating two zip reader instances as the proxy construction and the class definition for the base zip reader are in the cpp file. I've

[osg-users] How to override default plugins....

Hi all, I wish to supply my own plugin for the zip format, which unzips to memory. I've created my plugin derived from the existing zip plugin, overridden the readnode functions for file and stream, and at the bottom of my class I've called the RegisterReaderWriterProxy template for my class.

Re: [osg-users] How to exclude nodes from a pick list

Hi Andreas, Many, many thanks for that. My problem is now sorted, and I can look forward to the cheesey wall paper decorating my walls. Kind regards Neil. ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] How to exclude nodes from a pick list

Hi All, I have a quick question. I'm playing with picking objects in a scene using the pickhandler example. The scene is essentially a big box whose faces face inwards. Within the box I have a smaller box whose faces face outwards. If I am outside both boxes, looking into the outer box, the

[osg-users] How to exclude nodes from a pick list

Hi All, I have a quick question. I'm playing with picking objects in a scene using the pickhandler example. The scene is essentially a big box whose faces face inwards. Within the box I have a smaller box whose faces face outwards. If I am outside both boxes, looking into the outer box, the

Re: [osg-users] How to exclude nodes from a pick list

Hi Robert, sorry, I didn't really explain myself very clearly. The issue isn't so much that I don't want the face from the outer box to be hit, I merely want to be able to identify that it is facing away from the camera, and hence I can ignore it when try to identify that the inner box has

[osg-users] Function decoration....

Hi All, I'm having a slight problem building a release version of OSG1.2. I know I should move to 2.2 - and a colleague of mine has - however for various reasons I'm unable to at this moment. I'm running VS2005, and the problem I have is that I can build a debug version, link it against my

[osg-users] [RE] Function decoration...

Hi All, I've sorted out my problem. No doubt most of you guessed, but I was picking up the wrong header file. Doh! Sorry to have bothered you. Neil. ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] Osg blocking on application exit...

Hi Robert, Sorry about that last email. I wasn't trying to Dis the OSG multithreading, my comment was in regards to the recent exchange about toggling textures on/off and changing threading modes of operation dynamically at run time. There seemed to be forum comments regarding some potential

[osg-users] osgViewerMFC example fails...

Hi All, Has anyone tried the osgViewerMFC example in OSG2.0? I tried to build it two days ago, and it failed. The issue is in regards to an assignment of a CString to a std::string. Trawling internet solved problem, but has the example been corrected for the 2.2 release ? Neil.