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From Mike Weiblen, updates to the psuedo loaders to add documentation.

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This commit is contained in:
Robert Osfield
2004-07-17 10:33:26 +00:00
parent d57697fefa
commit f9ea73fbe2
3 changed files with 61 additions and 23 deletions
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21
src/osgPlugins/rot/ReaderWriterROT.cpp
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@@ -10,8 +10,8 @@
*
*/
/* file: src/osgPlugins/rot/ReaderWriterROT.cpp
* author: Mike Weiblen http://mew.cx/ 2004-04-25
/* file: src/osgPlugins/rot/ReaderWriterROT.cpp
* author: Mike Weiblen http://mew.cx/ 2004-07-15
* copyright: (C) 2004 Michael Weiblen
* license: OpenSceneGraph Public License (OSGPL)
*/
@@ -32,8 +32,21 @@
///////////////////////////////////////////////////////////////////////////
/**
* An OSG reader plugin for the rotation pseudo-loader.
* An OSG reader plugin for the ".rot" pseudo-loader, which inserts a
* rotation transform above the loaded geometry.
* This pseudo-loader makes it simple to change the orientation of a saved
* model by specifying a correcting rotation as part of the filename.
*
* Usage: <modelfile.ext>.<rx>,<ry>,<rz>.globe
* where:
* <modelfile.ext> = an model filename.
* <rx> = rotation around X axis [degrees]
* <ry> = rotation around Y axis [degrees]
* <rz> = rotation around Z axis [degrees]
*
* example: osgviewer cow.osg.30,60,-90.rot
*/
class ReaderWriterROT : public osgDB::ReaderWriter
{
public:
@@ -43,7 +56,7 @@ public:
virtual bool acceptsExtension(const std::string& extension)
{
return osgDB::equalCaseInsensitive( extension, EXTENSION_NAME );
return osgDB::equalCaseInsensitive( extension, EXTENSION_NAME );
}
virtual ReadResult readNode(const std::string& fileName,

42
src/osgPlugins/scale/ReaderWriterSCALE.cpp
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@@ -10,8 +10,8 @@
*
*/
/* file: src/osgPlugins/scale/ReaderWriterSCALE.cpp
* author: Mike Weiblen http://mew.cx/ 2004-04-25
/* file: src/osgPlugins/scale/ReaderWriterSCALE.cpp
* author: Mike Weiblen http://mew.cx/ 2004-07-15
* copyright: (C) 2004 Michael Weiblen
* license: OpenSceneGraph Public License (OSGPL)
*/
@@ -32,8 +32,23 @@
///////////////////////////////////////////////////////////////////////////
/**
* An OSG reader plugin for the scaling pseudo-loader.
* An OSG reader plugin for the ".scale" pseudo-loader, which inserts a
* scale transform above the loaded geometry.
* This pseudo-loader make it simple to change the size of a saved model
* by specifying a correcting scale factor as part of the filename.
*
* Usage: <modelfile.ext>.<sx>,<sy>,<sz>.globe
* <modelfile.ext>.<su>.globe
* where:
* <modelfile.ext> = an model filename.
* <sx> = scale factor along the X axis.
* <sy> = scale factor along the Y axis.
* <sz> = scale factor along the Z axis.
* <su> = uniform scale factor applied to all axes.
*
* example: osgviewer cow.osg.5.scale cessna.osg
*/
class ReaderWriterSCALE : public osgDB::ReaderWriter
{
public:
@@ -43,7 +58,7 @@ public:
virtual bool acceptsExtension(const std::string& extension)
{
return osgDB::equalCaseInsensitive( extension, EXTENSION_NAME );
return osgDB::equalCaseInsensitive( extension, EXTENSION_NAME );
}
virtual ReadResult readNode(const std::string& fileName,
@@ -79,11 +94,11 @@ public:
int sx, sy, sz;
int count = sscanf( params.c_str(), "%d,%d,%d", &sx, &sy, &sz );
if( count == 1 )
{
// if only one value supplied, apply uniform scaling
sy = sx;
sz = sx;
}
{
// if only one value supplied, apply uniform scaling
sy = sx;
sz = sx;
}
else if( count != 3 )
{
osg::notify(osg::WARN) << "Bad parameters for " EXTENSION_NAME " pseudo-loader: \"" << params << "\"" << std::endl;
@@ -104,12 +119,9 @@ public:
xform->setMatrix( osg::Matrix::scale( sx, sy, sz ) );
xform->addChild( node );
// TODO: should we force GL_NORMALIZE on?
// osg::StateSet* ss = xform->getOrCreateStateSet();
// ss->setMode( GL_NORMALIZE, osg::StateAttribute::ON );
// Or since the scale is static, perhaps renormalization
// would be better performed once at loadtime with a
// .normalize pseudo-loader?
// turn on GL_NORMALIZE to prevent problems with scaled normals
osg::StateSet* ss = xform->getOrCreateStateSet();
ss->setMode( GL_NORMALIZE, osg::StateAttribute::ON );
return xform;
}

21
src/osgPlugins/trans/ReaderWriterTRANS.cpp
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@@ -10,8 +10,8 @@
*
*/
/* file: src/osgPlugins/trans/ReaderWriterTRANS.cpp
* author: Mike Weiblen http://mew.cx/ 2004-04-25
/* file: src/osgPlugins/trans/ReaderWriterTRANS.cpp
* author: Mike Weiblen http://mew.cx/ 2004-07-15
* copyright: (C) 2004 Michael Weiblen
* license: OpenSceneGraph Public License (OSGPL)
*/
@@ -32,8 +32,21 @@
///////////////////////////////////////////////////////////////////////////
/**
* An OSG reader plugin for the translation pseudo-loader.
* An OSG reader plugin for the ".trans" pseudo-loader, which inserts a
* translation transform above the loaded geometry.
* This pseudo-loader make it simple to change the origin of a saved model
* by specifying a correcting translation as part of the filename.
*
* Usage: <modelfile.ext>.<tx>,<ty>,<tz>.globe
* where:
* <modelfile.ext> = an model filename.
* <tx> = translation along the X axis.
* <ty> = translation along the Y axis.
* <tz> = translation along the Z axis.
*
* example: osgviewer cow.osg.25,0,0.trans cessna.osg
*/
class ReaderWriterTRANS : public osgDB::ReaderWriter
{
public:
@@ -43,7 +56,7 @@ public:
virtual bool acceptsExtension(const std::string& extension)
{
return osgDB::equalCaseInsensitive( extension, EXTENSION_NAME );
return osgDB::equalCaseInsensitive( extension, EXTENSION_NAME );
}
virtual ReadResult readNode(const std::string& fileName,