the filename extension is "vert" or "frag" but still lets this be
overridden by the Options (for those crazy people who store their
fragment shaders in .vert files :) )."
At the company where I work we model literally thousands of 3DS models for all types of objects. Most don't have transparent textures applied to them, but a few do. The issue is that a texture may have an alpha channel defined, yet its 3DS material definition is not marked as being an alpha source, or transparent. This can happen for any number of modelling reasons (so I'm told) but the net effect is that when a 3DS object is loaded with such a material applied, the stateset creation for the 3DS geometry omits to add the GL_BLEND attribute as neither of the conditions that it currently tests for are satisfied under this scenario.
However, one thing that is apparently an indication of transparency/alpha information that we do make use of when modelling, but that the 3DS reader omits to test, is that we assign to the transparent texture to the opacity_map of the 3DS material structure.
Now, having discussed with our modellers the theory behind the opacity map, it seems that it is safe to say that if an opacity map is specified, then the reader should really apply the GL_BLEND attribute as it is an indication of some form of blending being required between materials.
With this in mind, I have made a minor change to the function createStateSet below, from the ReaderWriter3DS.cpp file, that checks for an opacity map having been specified, and in such a scenario the GL_BLEND attribute is applied to the geometry. This fixed our issue, and thought it might be helpful to others."
osgText::Text and osgText::Text3D use the same font file.
The first really load the file and obtain an osgText::Font object,
the second use the cache created during the first load of the
font file, and so obtain an osgText::Font object instead of
osgText::Font3D object. To obtain an osgText::Font3D object,
osgText::Text3D call osgDB::readObjectFile(...) with an option
to specify the plugin we want an osgText::Font3D instead of
osgText::Font.
Generalised Problem:
In osgDB::Registry, loaded file cache is referenced by the name
of this file, so if I load a file with some options, and the cache
already contain object for this filename, I obtain an object
potentially not loaded with my options.
Behaviours:
Cache management is delegate to osgDB::Registry, but cache
coherence (load a file with option then reuse it, deactivate the
cache when load a specific file or don't cached the loaded file)
is user's responsibility.
Text3D solution:
Postfix the font file name by .text3d or something similar and then have the freetype plugin return
osgText::Font3D when it detects this.
This operation is done by osgText::readFont3DFile() which unsure the filename have .text3d as extension.
This is totaly transparent for user, and backward compatible.
BTW, I fix the bug about the Normal of 3D text. Currently, the front and wall face have
the same normal (0,0,1) in the Text3D object coordinate. Now the wall face have its own
normal array computed by the plugin.
BTW 2, I implement
- void Text3D::accept(osg::Drawable::ConstAttributeFunctor& af) const
- void Text3D::accept(osg::PrimitiveFunctor& pf) const
so now statistics are well reported.
"
"Summary of changes:
From Roland
-Added MorphGeometry
-Bone Bindmatrix is only calculated if needed
-osgAnimation plugin now supports all available channel types (before only linear vec3 or quat channels)
-osgAnimation plugin now supports MorphGeometry
-osgAnimation plugin now supports animation and channel weights, animation playmode, duration and starttime
-removed osgAnimationManager.cpp from CMakeList
From Cedric
-fixed the last_update field (it was only updated at the first update) in BasicAnimationManager.cpp
- Refactore some part of MorphGeometry minor changes
- Add osganimationmorph as example
"
It's really just a cut-paste job from the existing LINE support.
The current dxf plugin architecture isn't very efficient, especially if you
are loading large point clouds (LIDAR)
eg. it makes multiple lookups of the layer name for each vertex.
I don't know if I can improve this for the general case or if I have to add a
special large point cloud dxf reader."
It basically removes the static init() and exit() functions,and move them inside the observer class (the one that cleans everything up when the last media is unloaded).
It also add an extra check to clean up on exit if the QuickTime env is initialized, but no media is succesfully loaded / written (it might happens with streaming resources).
I tested it under WinXP with zero, one and multiple videos.
Stephan reads in copy: could you kindly check if everything runs smooth under OSX as well? Also, have you got a chance to test it with streaming media?
"
-I changed the SET of COLLADA_BOOST_INCLUDE_DIR to use findpath, so users may override this setting if they choose not to build against to precompiled boost libraries delivered with the Collada DOM.
-Changed daeRMaterials.cpp to prevent a compiler warning about a potentially uninitialized variable."
used but never restored to the decimal notation. That made OSG print messages
like the following after some notifications:
Warning: detected OpenGL error 'invalid value' after RenderBin::draw(,)
RenderStage::drawInner(,) FBO status= 0x8cd5
[...]
Scaling image 'brick_side.JPG' from (1b4,24f) to (200,200) <--- Values in hex
because of previous error.
[...]"
The vtf plugin wasn't working in Windows due to OS differences in the byte-packing of the header structure (on Windows, the big block read was causing a buffer overrun). I fixed this by reading the structure from the file field by field. It's now happy on both Linux and Windows."
1. Support for ambient occlusion maps.
2. A fix for the incorrect handling of normals on all geometries. The optimizer usually fixed this bug so it probably was not noticed very often.
3. A new option flag on the reader. "StrictTransparency"
// Process transparent and transparency settings according to a strict interpretation of the spec
// See https://collada.org/public_forum/viewtopic.php?f=12&t=1210
otherwise
// Jump through various hoops to accomodate the multiplicity of different ways
// that various people have interpreted the specification
4. Handling of texures in the transparent channel. This is allowed provided that they are the same texture that is specified in the diffuse channel. Accomodating a different texture would require use of programmable pipeline functionality which I have tried to avoid.
5. Handling of <bind_vertex_input> elements.
""
A Collada camera will be added to the scenegraph as osg::CameraView. This allows the user to create a set of predefined camera viewpoints. I also added a new MatrixManipulator to osgGA called CameraViewSwitchManipulator and added usage of this to the osgviewer example. This manipulator allows switching between the predefined camera viewpoints. The current design limition I ran into is that a MatrixManipulator only manipulates the ViewMatrix, but for this particular manipulator I also want to update the projectionMatrix of the camera when switching to a new viewpoint. This is not implemented because I don't know what would be the best way to design it. Any ideas?
Furthermore Collada also supports orthographic camera's, where an osg::CameraView only supports a perspective camera. Would it be useful to create a CameraView with customizable optics for this?"
osgDB/FileUtils.cpp:
Needed this extra code to allow a true case-insensitive search. This is because the HL2 map and model files are often sloppy with case. For example, the file might look for materials/models/alyx/alyx_sheet.vtf, but the file is actually in materials/Models/Alyx/alyx_sheet.vtf. In case-insensitive mode, the new code recursively disassembles the path and checks each path element without regard to case. In case-sensitive mode, the code behaves exactly as it used to. The new code is also mostly skipped on Windows because of the case-insensitive file system. Previously, I did all of this with custom search code in the .bsp plugin, but this allows the user to tailor the search using OSGFILEPATH. There are some instructions in the plugins' README files about this.
osgPlugins/mdl:
This is a new plug-in for Half-Life 2 models (as opposed to maps). This allows you to load Source models individually, as well as allowing the .bsp plugin to load models (props) that are embedded into maps. Mdl files can contain simple object (crates, barrels, bottles), as well as fully articulated characters with skeletal animations. Currently, it can load the simple objects. It can also load the characters, but it can't load the skeletons or animations.
osgPlugins/bsp:
This contains all of the changes needed to load props along with the basic map geometry. There are also
several bugs fixed.
osgPlugins/vtf:
This is the loader for Valve's texture format. Previously, we had agreed to put this in with the bsp plugin, but I didn't think of the .mdl plugin at that time. It's conceivable that a user might want to load models individually (not as part of a map), so the vtf reader does have to be separate. I also fixed a rather significant bug.
I tested all of this code on RHEL 5.2 (32-bit), and Fedora 9 (64-bit). I'll be testing on Windows soon.
I also attached a simple .mdl file, along with it's associated files and textures. Just extract the tarball into it's own directory, set your OSGFILEPATH to point at that directory, and load the model like this:
osgviewer models/props_junk/gascan001a.mdl"
consider these initial cpack support scripts. It is hidden behind a
BUILD_PACKAGES option so won't affect the normal user. The submission
1) set the COMPONENT attribute on all cmake install commands.
COMPONENT names are according to
http://www.openscenegraph.org/projects/osg/wiki/Community/Packaging
2) provide cmake script and a template for creating CPack
configuration files. It will generate target for creating packages
with everything that gets "installed" (make package on unx, project
PACKAGE in MSVC) plus targets for generating one package per COMPONENT
(i.e. libopenscenegraph-core etc.).
I have temporariliy uploaded some examples to
http://www.openscenegraph.org/projects/osg/wiki/Community/People/MattiasHelsing
If this submission makes it into svn we can develop it to generate
rpms, installers for windows and mac (I know at least J-S don't like
these but there may be others who do ;) and even DEBs (not sure if we
can make them "ubuntu-ready" but they eventually may - at least we
could put a deb on the website)"
Source and CMake files are:
CMakeLists.txt
ReaderWriterBVH.cpp
Also there are 3 example BVH files. The first two are captured from motions of human beings - maybe a kung-fu master here. PLEASE use command below to see the results:
# osgviewer example1.bvh -O solids
This will demonstrate the animating of a skeleton and render bones as solid boxes. Note that the motion assumes XOZ is the ground and has an offset from the center, so we should adjust our view to get best effects.
You may also use "-O contours" to render bones as lines. The viewer shows nothing if without any options because osgAnimation::Bone does not render itself. User may add customized models to each named bones as osganimationskinning does to make uses of this plugin in their own applications.
I was wondering to support a BvhNode in my osgModeling peoject before, but soon found it better be a plugin for animation. A problem is, how to bind real geometry models to the skeleton. Maybe we could have a bindingToNode() visitor in future to find geodes matching names of bones and add them as bones' children."
The plug-in is a wrapper around open-exr (http://www.openexr.com) that consists of two projects, ilmbase-1.0.1 and openexr-1.6.1.
I have only tested it on windows XP 32 machine. So there might be some work making it work on other platforms.
The plug-in supports writing and reading EXR files. When writing it can use the data type GL_HALF_FLOAT_ARB(se ilmbase-1.0.1) and GL_FLOAT. When reading the data type always becomes GL_HALF_FLOAT_ARB. It supports textures with three and four channels.
When reading an exr file it automatically removes Alfa channel if it didn't store any information."
--
From Robert Osfield, started work on ported it to other platforms, but could fix some problems relating to error:
?Imf::OStream::OStream(const Imf::OStream&)? is private
I'm checking in now so that others can have a bash at completing the port.
Standard is to generate one stl file.
With an additional option it is possible to write one file per Geode. This option is not very "useful" for typical application, I use it for separating and conversion of geometric data. So it could be removed if considered to special."
New features
+Read and write of osg::LOD, osg::Switch, osgSim::Sequence, osgim::MultiSwitch and osgSim::DOFTransform data in <extra>
+Read and write of osg::Node description data in <extra>
+Plugin option "NoExtras" to prevent writing of <extra> data and only traverse the active children when saving
Changes/additions
+instanced_geometry and instanced_controller are now loaded in a single Geode with multiple Geometries instead of multiple geodes with a single Geometry
+Changed all calls to the deprecated createAndPlace() to the new add() methods
+All transformation elements <scale>, <rotate>, <translate>, <lookat>, <matrix>, <skew> are now concatenated properly in to a single MatrixTransform.
Previously this was not done in order as required by Collada and and not all elements were included.
+Complete skew matrix creation
+Automatically add GL_RESCALE_NORMAL if scale is non-identity
+Blinn shininess remapping to [0,128] when in range [0,1]
+Changes to CMake file to make it compile on Windows
+Coding style and code documentation
Bug fixes
+Transparent texture writing fixed
+Fixed bug in using osg node name as collada node ID
+Fixed usage of double sided faces in GOOGLEEARTH extra
+Not adding blendfunc and blendcolor when opaque
TODO/Wishlist
-solve differences in drawables, DAE reader should place multiple collation elements into multiple primitivesets in a single geometry where possible (only when same material)
-solve differences in matrices
-multitexture support
-skinned mesh and generic animations using osgAnimation
-profile_GLSL based on COLLADA OpenGL Effects Viewer http://ati.amd.com/developer/rendermonkey/downloads.html
-handling more <extra> to more closely mimic the intended lighting"
The set up for this to work is a bit more complex than most files, since the engine expects all files to be in a certain place, and it tends to mix case a lot. I tried to explain everything in the VBSP_README.txt file."
This plugin has been integrated with the pre-exisiting bsp plugin.
After taking a look at the current state of the BMP loader I decided it might be worth a shot at reimplementing that part. For example: the current loader doesn't properly handle 1- and 4-bit files, incorrectly loads 16-bit files as intensity-alpha (they are RGB555), is full of dead code, and generally not in very good shape.
Attached is my re-implementation for review.
I've checked it against the test images from http://wvnvaxa.wvnet.edu/vmswww/bmp.html and models that use BMP files.
"
---------------------------
function FltExportVisitor::writeExternalReference( const osg::ProxyNode& proxy ):
Line 423 in file expPrimaryRecords.cpp has to be changed from
const ParentPools* pp = static_cast<const ParentPools*>(proxy.getUserData() );
to
const ParentPools* pp = dynamic_cast<const ParentPools*>(proxy.getUserData() );
"
The semantic change that went into the ac loader with the past patch was
incorrect wrt the document describing the behaviour of ac files and
inconsistent with what ac3d itself displays for that files.
This attached change reverts the behaviour to the original one. The
infrastructure to change this is left in place.
The change is based on rev 9045."
- Matrix transform nodes were stripped out, and the
vertices and normals of each node were
transposed by the modelling matrix. My change preserves
the matrix transform nodes, so that
models can still be articulated by changing the matrices.
- Lights were copied from the COIN scenegraph to the OSG
scenegraph, but they were not associated
with a LightSource node. My change for this creates a
Group and adds a LightSource for each Light.
- If VRML textures have names, the name is now copied to
--
Form Robert Osfild, changed SbString to std::string usage
M Inventor/ConvertFromInventor.h
M Inventor/ConvertFromInventor.cpp
support. While testing the pluggin we found a small bug and we are
submitting a patch.
The first attachment is a small program that creates a scene with two
pyramids, transformed by two instances of
osg::PositionAttitudeTransform. One of them is rotated 90 degrees in
the X axis, and the scene is exported both in the native OSG (.osg)
and COLLADA (.dae) formats. In the first case the rotated pyramid is
displayed correctly whereas in the second the pyramid seems not to be
rotated.
In the COLLADA 1.4.1 specification (found at
http://www.khronos.org/collada/) it is specified that
"The <rotate> element contains a list of four floating-point values
[...] followed by an angle in degrees" but the plugin seems to write
the value in radians.
The problem seems to be in the method daeWriter::apply() that seems to
be writing the angle value in radians to the COLLADA file. The patch
can be found in the second attachment and is simply a call to
RadiansToDegrees wrapped around the angle.
"
If a 400 level error occurs, a FILE_NOT_FOUND ReadResult is appropriate.
If a 500 level error occurs (such a 503, Service unavailable), the application might want to try to load the file again in a few seconds/minutes. This submission returns ERROR_IN_READING_FILE if a 500 level error occurs so that clients can easily distinguish between the errors.
The actual error code is also added to the "message" of the ReadResult so if a client needs more information, they can just parse the message to retrieve the error code."
Quicktime supports only files with 3/4-channels rgba-files and not 1/2-channels rgb-files.
This submission is from Tatsuhiro Nishioka, here's his original quote:
When FlightGear crashes, the error message
"GraphicsImportGetNaturalBounds failed" shows up. By adding printf
debug, I found the error was -8969: codecBadDataErr when loading a
gray-scaled (2 channels) rgba files even though the file can be loaded
with Gimp and osgViewer properly.
So I made an investigation on this problem and found an interesting
thing. This error occurs only when non-rgb files are loaded before rgb
files. The reason is that rgba files can be handled by both
osgdb_rgb.so and osgdb_qt.so, but the error happens only when
osgdb_qt.so try to load a gray-scaled rgba file.
When a program is about to load an rgba file, osgdb_rgb.so is loaded
and it handles the rgba file properly. In contrast, when a gray-scaled
rgb file is being loaded after a non-rgb file (say png) is already
loaded by osgdb_qt.so, osgdb_qt.so tries to load the file instead of
osgdb_rgb, which causes the error above.
Anyway, the bad thing is that QuickTime cannot handle gray-scaled rgb
files properly. The solution for this is not to let osgdb_qt handle
rgb files since osgdb_rgb can handle these properly.
"
Attached is a change that is able to provide shared textures for the clamp and
the repeat case.
So this appears to be the best fix I guess ...
Also it additionaly shares the TexEnv StateAttribute in a whole ac3d model."
- adds display of options when using osgconv --formats.
- adds useGroupPerFeature option to have each feature in a separate group. Usage: OSG_OPTIMIZER=OFF osgconv -e ogr -O addGroupPerFeature <infile> <outfile>
"
they are written to disk, either inline or as an external file. Added support for
this in the .ive plugin. Default of WriteHint is NO_PREFERNCE, in which case it's
up to the reader/writer to decide.
Now we could correctly configure geometry shaders in osg files."
Notes from Robert Osfield, renamed the names of the parameters to be less GL centric and more human readable.
The following link shows a very comprehensive list of .mtl file options:
http://local.wasp.uwa.edu.au/~pbourke/dataformats/mtl/
Attached is a patch that should fix spacey filenames and optional texture scale/offset. I have tested it with files I have that I modified to contain spaces in the texture filenames."
Notes from Robert Osfield, I've merged osgWidget trunk, and added/changed CMakeLists.txt file to make it suitable for inclusion in the core OSG, and moved imagery/scripts/shaders out into OpenSceneGraph-Data
1. Added options to control wether the osgUtil::Tessellator or osgUtil::TriStripVisitor are run. By default they still run just as before.
2. Added support for the Emissive material. The data was being read from the mtl file but was never being applied to the model.
3. This is the main bug addressed, when a model is read in with an alpha value specified like:
newmtl Material__8
Ns 24
d 0.33
illum 2
Kd 0.204 0.204 0.204
Ks 0 0 0
Ka 0.153 0.153 0.153
where the alpha value is d. The loader would then overwrite the alpha value when reading the diffuse, specular, and ambient colors. I have changed all the material color readers to only set the values they read and to use the default colors specified in the constructor of the obj class. With these changes, the obj reader now handles opacity correctly if the alpha value is specified before the material colo"
It check the data type of the image ( img.getDataType() ) and if it's GL_FLOAT :It save the tiff with float values.
Otherwise it does the same thing as before."
does not process I/O for osg::Light. Now I have fixed it as follows:
2. In DataInputStream.cpp, I add support code in DataInputStream::readStateAttribute
for osg::Light.
3. In DataOutputStream.cpp, I add support code in DataOutputStream::writeStateAttribute
for osg::Light.
"
"Opcodes.h:
* Added INVALID_OP as -1 in the Opcodes enum. Note that INVALID_OP is not an actual opcode defined in the OpenFlight format. The purpose of INVALID_OP is to mark an opcode variable as invalid or uninitialized.
ReaderWriterFLT.cpp:
* The header node is returned if it exists, even if the file does not contain a node hierarchy. The old behaviour returned a ERROR_IN_READING_FILE error.
* Changed opcodes initialized to -1 to the new enum value INVALID_OP."
and Text3D, FadeText inout :
1. in DataInputStream.cpp, add 1286--1293 lines;
2. in Text.cpp, add some code for text's Backdrop setting;
3. in IveVersion.h, add line 39, increase the VERSION to VERSION_028(line 41)
4. in ReadWrite.h, add line 146,147
5. add file FadeText.h, FadeText.cpp, Text3D.h, Text3D.cpp."
- Added osgviewerCocoa example to APPLE builds
- Fixed corrupt Xcode project generation with CMake 2.6 dealing with ADD_DEFINITIONS and CMake Policy CMP0005 on Leopard
- Resolved CMP0006 warning for examples and programs by setting BUNDLE DESTINATION to same as RUNTIME DESTINATION with CMake 2.6
- Fixed freetype plugin on Leopard to avoid OpenGL linking problem
- Figured out how to use a custom Info.plist included in the project (see osgviewerCocoa application CMakeLists.txt)"
In the OSG OpenFlight plugin these names are ignored when reading, and
empty strings are written.
As we need these names in the OSG scene graph by our application, I
changed the plugin code, so the names are now stored in class
"osg::Material" (derived from "osg::Object") by
material->setName();
(see "PaletteRecords.cpp, line 195) when reading the file, and written
to file by
dos.writeString( m.Material->getName(), 12 );
(see MaterialPaletteManager.cpp, line 80).
As these names otherwise get lost when reading an OpenFlight file and
writing it again e.g. by
osgconv example.flt converted_example.flt
these changes make the plugin more complete.
The changes were made to OSG revision 8425, and were tested by
osgconv example.flt converted_example.flt
comparing the material palettes of both files inside Multigen Creator."
"1. Location: <OSG_SOURCE_ROOT>\src\osgPlugins\osg\Fog.cpp
Reason: ".osg" writter plugins output incorrected string for osg::Fog's Mode.
How to Fix:
Line 138 in Fog.cpp: case(Fog::LINEAR): return "NERVER";
Change to: case(Fog::LINEAR): return "LINEAR";
2. Location: <OSG_SOURCE_ROOT>\src\osgPlugins\ive\
Reason: ".ive" writter plugins missing to process "osg::Fog".
How to Fix:
(1). Line 86 in ReadWrite.h:
Add: #define IVEFOG 0x00001133
(2). In CMakeLists.txt
"SET(TARGET_SRC" section Add: Fog.cpp
"SET(TARGET_H" section Add: Fog.h
(3). In DataInputStream.cpp
Line 54,Add: #include "Fog.h"
Line 1185,Add: else if(attributeID == IVEFOG){
attribute = new osg::Fog();
((ive::Fog*)(attribute))->read(this);
}
(4). In DataOutputStream.cpp
Line 57,Add: #include "Fog.h"
Line 832,Add: // This is a Fog
else if(dynamic_cast<const osg::Fog*>(attribute)){
((ive::Fog*)(attribute))->write(this);
}
(5). Add newly created ive::Fog Object in Fog.h and Fog.cpp.
"
is an example). This can happen in circumstances that are not
manageable by the OSG itself (e.g. 3rd party buggy program) but one
would expect the plugin to be able to recover by returning
ReadResult::ERROR_IN_READING_FILE.
libpng provides two callbacks for warnings and errors - those are
currently unused. By default, they point to function that call exit()
or something similar (the default error callback never returns). This
patch registers the callbacks using libpng's mechanisms, makes the
warning callback emit an osg::notify(osg::WARN) message and the error
callback throw an error. The reading process is enclosed in a
try...catch block. Upon error, the memory is freed and
ReadResult::ERROR_IN_READING_FILE is returned.
"
The first bug is that the terrain tiles will page out to a lower LOD when they are right in front of you. The issue appears to be with the blacklisting heuristic which forces a tile to LOD 1, commenting out the usage of blacklisting with the LOD Nodes fixes our problem. This code change was made to line 29 of TXPPageLOD.cpp.
The second bug we were experiencing is that the database reader options never make it through to the archive loader. The use case for us appeared when the FID codes for the terrain were no longer on the materials. As it turns out the archive was being created twice, once by TXPNode and once by the ReaderWriterTXP on getArchive() so the options never actually got set on the archive that was being loaded. The fix is to first create the archive by calling getArchive on the ReaderWriterTXP, which stores it in a map for reference later, and then passing that archive into the TXPNode for it to set its internal member. With this code change we only create one archive (not sure what creating two did) and our options flags get set properly on the database.
The changes made are in TXPNode.h line 72 where the TXPArchive is now passed in. In the TXPNode.cpp the loadArchive(TXPArchive*) was changed to have the default behavior if NULL is passed in, if an archive is passed in then it does not load it since all the loading is done in the ReaderWriterTXP::getArchive(). The only other place that loadArchive is called is in TXPIO.cpp where a modification was made to pass in NULL which will have the same behavior as it used to. The last change is the little block of code starting on line 57 of ReaderWriterTXP.cpp, this was changed so that it first calls getArchive() which caches the archives in a map does some loading stuff and returns a pointer to it which is then passed in as a parameter to TXPNode::loadArchive().
The performance changes were made to TXPParser.cpp line 163 where we use to osgUtil::Optimizer on the node before passing it off, and on line 1456 we changed the geometry to use display lists. These small changes actually made drastic performance increases for us, as much as 1000% on certain laptops.
As far as testing goes, we have tested these changes with at least 5 txp databases on a variety of different computers including Mac OS and Linux. The base version used is 2.4."
osg::ref_ptr<osg::Node> ReaderWriterVRML2::convertFromVRML(openvrml::node *obj)
The fixes are:
* Added the source's parent directory as search directory for image files.
* The material properties are now set in the stateset of the Geode rather than the Geometry. This will allow geometries to be reused with different material properties in future updates.
NB: I planned for a caching scheme in which multiple occurences of the same primitive (e.g., Cylinders with radius 0.8 and height 1.2), would use the same Geometry object. Unfortunately, my planning moved me to other areas, but I might still finish the caching scheme in a quiet hour. For the time being I decided it would be a good thing to already submit my current changes.
"
Cause: possibly a copy/paste typo in src/osgPlugins/osg/LineStipple.cc, line 61:
if (fr[0].matchWord("functionMask") && fr[1].getUInt(mask))
Solution: change to:
if (fr[0].matchWord("pattern") && fr[1].getUInt(mask))"
Changes includes:
1. A new GifImageStream class (inherit from osg::ImageStream and OpenThreads::Thread) have already been added to implement different operations of a GIF movie, such like playing, pausing, rewinding, setting time and so on.
2. Some small changes to decode_row() and gif_read_stream(), which make the transparency of GIF images correctly.
3. Just a few changes to the ReaderWriterGIF::readGIFStream() function, which ensure that animate GIFs are loaded by GifImageStream (and the function returns GifImageStream objects) and static GIFs unchanged (still use the old method and returns osg::Image objects!).
Attachments are the cpp file and an animate GIF file for further test. Just rebuild the osgdb_gif project and use osgviewer or osgmovie to view it.
The plugin has been tested on Windows and Arch Linux."
"Here is a collection of changes which should fix issues building the OSG with CMake 2.6.0 (along with some other changes)
CMakeLists.txt:
* Set CMP0003 to supress warning about linking against -lpthread (which is a
non-absolute library location). (CMake 2.6.x fix)
* Modified the WIN32_USE_MP and a couple of other Visual Studio specific flags
to be in an IF(MSVC) block (minor tweak to reduce exposing this stuff on MinGW builds)
* Includes my second set of glu tesselator autodetection changes that you
seemed to want but haven't committed yet.
src/OpenThreads/pthreads/CMakeLists.txt:
* Eliminates warning when compiling on Linux about spaces in link line (CMake 2.6.x fix)
CMakeModules/OsgMacroUtils.cmake:
* Tweaks to make the macros behave properly under CMake 2.6.0 (doesn't change behavior under CMake 2.4.x)
CMakeModules/Find3rdPartyDependencies.cmake:
* Adds the NO_DEFAULT_PATH option to all of the search options so that things in C:\Program Files\OpenSceneGraph aren't accidently picked up during configure time and instead only things in the "3rdParty" folder are discovered. (general bugfix)
"
post 2:
"Ok, hold the presses. I just discovered that for some odd reason the osgdb_* plugins under Linux aren't getting put under the osgPlugins-2.5.0 folder. Not exactly sure why this broke, the folder was there, just empty. I'll have to look into it this evening."
post 3:
"Fixed, was caused by the switch to CMAKE_LIBRARY_OUTPUT_DIRECTORY and some code in osgPlugins/CMakeLists.txt that effectively overrides LIBRARY_OUTPUT_PATH on non-MSVC compilers to dump the plugins in the plugins folder. I tweaked it to override CMAKE_LIBRARY_OUTPUT_DIRECTORY as well. Seems to work fine."
osgconv cessna.osg cessna.dae
Examination of the resulting .dae file reveals several out-of-range tristrip indices; viewing the .dae file in osgviewer causes a crash when OSG tries to lookup those indices.
Attached resolves this issue."
CLAMP ->GL_CLAMP_TO_EDGE
NONE->GL_CLAMP_TO_BORDER
The current 2.5.0 daePlugin assumes the following binding
CLAMP ->GL_CLAMP
NONE->GL_REPEAT
Notably the GL_CLAMP binding will result in visible black seams on input files that use otherwise matching textures. Replacing GL_CLAMP by GL_CLAMP_TO_EDGE solves this problem. I've updated both the read and write functions.
"
multi-threaded paging, where the Pager manages threads of reading local
and http files via seperate threads. This makes it possible to smoothly
browse large databases where parts of the data are locally cached while
others are on a remote server. Previously with this type of dataset
the pager would stall all paging while http requests were being served,
even when parts of the models are still loadable virtue of being in the
local cache.
Also as part of the refactoring the DatabaseRequest are now stored in the
ProxyNode/PagedLOD nodes to facilitate quite updating in the cull traversal,
with the new code avoiding mutex locks and searches. Previous on big
databases the overhead involved in make database requests could accumulate
to a point where it'd cause the cull traversal to break frame. The overhead
now is negligable.
Finally OSG_FILE_CACHE support has been moved from the curl plugin into
the DatabasePager. Eventually this functionality will be moved out into
osgDB for more general usage.
ReaderWriter::ReadResult now has a FILE_REQUEST enum.
ReaderWriter::Options now has a s/getAsynchronousFileReadHint() parameter methods.
libcurl based plugin now detects enabing of the AsynchronousFileReadHint, but
as yet does not handle async requests - handling everything syncronously.
DatabasePager now by default will enable AsynchronousFileReadHint for http
based file requests
There was a problem converting a file to Collada by using osgconv like this:
osgconv file.osg file.dae
You would get an error message:
I/O error : Permission denied
I/O error : Permission denied
error : xmlNewTextWriterFilename : out of memory!
Error: daeLIBXMLPlugin::write(file://cessna.dae) failed
Warning: Error in writing to "cessna.dae".
This was due to some bad URI processing code in the Collada plugin. The attached file fixes this by using the Collada DOM's URI processing functions. After this change the file will convert successfully in the local directory.
"
It might seem odd that the change actually removes the stub apply(Billboard&) method, but it turns out Billboards are easily supported in subordinate routines of the existing apply(Geode&) method with s dynamic_cast, so there's no need for a separate apply(Billboard&)."
I've spotted huge memory leaks int ShapeParser and fixed them.
Also, there was a missing destructor (PolygonM) and a missing member initialization (PolygonZ)
Would be nice if someone could test the changes.
To release the memory just if no reading error happened (and therefore the arrays would be valid) I've added an macro to release and reset the pointers at once. I'm not using macros myself very often as I don't like them, but I think it doesn't hurt in this code.
"
In essence, the FLT exporter was emitting a full set of Mesh records each time it encountered a PrimitiveSet.
Attached is a fix. The code now emits the Mesh set up records, then iterates over all PrimitiveSets and emits a Mesh Primitive record per PrimitiveSet.
It also loops over PrimitiveSets twice, first writing Face records according to the mode, the writing Mesh records (again according to the mode).
The final change included here is support for GL_POINTS as single-vertex Face records.
Billboards are still to come."
I removed QTtexture.h/.cpp and added QTImportExport.h/.cpp. I updated the CMake-files, I hope they are alright. I used the submitted code in my own apps since two months or so and it seems pretty stable, but as always the migration to the osg-quicktime plugin may have introduced new bugs, so perfect for developer release :)"
* Support for Vec4ubArray for color data
* Support for material transparency
Thanks to Neil Hughes, Jason Daly, yourself, and others for testing and reporting issues."
filesystem is case-sensitive. Here are the modifications needed to make
the compiler happy. These are only some include lines rewritten (Io.h to
io.h, Windows.h to windows.h etc.) for version 2.3.7."
Introduced code in BoundgingSphere, BoundingBox, ProxyNode and LOD to utilise the above settings.
Added Matrix::value_type, Plane::value_type, BoundingSphere::value_type and BoundingBox::value_type command line
options that report where the types of floats or doubles.
images with BGR order but not read them. My 2-liner fixed it for me
but it may be that someone with more knowledge of the plugin want to
insert more pixel formats in the reading part of the plugin."
requests for files in a archive are made with unix style paths. So to
be able to match an entry in map(_indexMap) it's keys needs to be
stored in unix style even on Win32"
Note from Robert Osfied, simplified this submission so that the added conversion to
unix slahes is done on all platforms as this should be safe and simpler to maintain.
