Hi,
I am very beginner for OSG and my first post in Forum. Currently , I am able
to draw the text on the Ellipsoid , suing the lat , log and height. How I
achieve the same with sphere instead of Ellipsoid.
Code:
osgText::Text* createText(osg::EllipsoidModel* ellipsoid, double latitude,
double longitude, double height, const std::string& str)
{
double X, Y, Z;
ellipsoid->convertLatLongHeightToXYZ(osg::DegreesToRadians(latitude),
osg::DegreesToRadians(longitude), height, X, Y, Z);
osgText::Text* text = new osgText::FadeText;
text->setDrawMode(osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX);
osg::Vec3 normal = ellipsoid->computeLocalUpVector(X, Y, Z);
text->setCullCallback(new
osg::ClusterCullingCallback(osg::Vec3(X, Y, Z), normal, 0.0));
text->setText(str);
text->setFont("fonts/arial.ttf");
text->setPosition(osg::Vec3(X, Y, Z));
text->setCharacterSize(300000.0f);//can not be set the const
font size. this varry basing on the weight of the word
text->setColor(osg::Vec4(0.0f, 1.0f, 1.0, 1.0f));
//text->setFontResolution(256, 256);
text->setCharacterSizeMode(osgText::Text::OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT);
text->setAutoRotateToScreen(true);
return text;
}
Thank you!
Cheers,
InnaReddy[/code]
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=68687#68687
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