/usr/share/openscenegraph/examples/osgscalarbar/osgscalarbar.cpp is in openscenegraph-examples 3.2.0~rc1-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | /* OpenSceneGraph example, osgscalarbar.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <osg/Geode>
#include <osg/ShapeDrawable>
#include <osg/Material>
#include <osg/Texture2D>
#include <osg/MatrixTransform>
#include <osg/PositionAttitudeTransform>
#include <osg/BlendFunc>
#include <osg/ClearNode>
#include <osg/Projection>
#include <osgUtil/CullVisitor>
#include <osgGA/TrackballManipulator>
#include <osgViewer/Viewer>
#include <osgDB/ReadFile>
#include <osgSim/ScalarsToColors>
#include <osgSim/ColorRange>
#include <osgSim/ScalarBar>
#include <sstream>
#include <iostream>
#include <math.h>
using namespace osgSim;
using osgSim::ScalarBar;
#if defined(_MSC_VER)
// not have to have this pathway for just VS6.0 as its unable to handle the full
// ScalarBar::ScalarPrinter::printScalar scoping.
// Create a custom scalar printer
struct MyScalarPrinter: public ScalarBar::ScalarPrinter
{
std::string printScalar(float scalar)
{
std::cout<<"In MyScalarPrinter::printScalar"<<std::endl;
if(scalar==0.0f) return ScalarPrinter::printScalar(scalar)+" Bottom";
else if(scalar==0.5f) return ScalarPrinter::printScalar(scalar)+" Middle";
else if(scalar==1.0f) return ScalarPrinter::printScalar(scalar)+" Top";
else return ScalarPrinter::printScalar(scalar);
}
};
#else
// Create a custom scalar printer
struct MyScalarPrinter: public ScalarBar::ScalarPrinter
{
std::string printScalar(float scalar)
{
std::cout<<"In MyScalarPrinter::printScalar"<<std::endl;
if(scalar==0.0f) return ScalarBar::ScalarPrinter::printScalar(scalar)+" Bottom";
else if(scalar==0.5f) return ScalarBar::ScalarPrinter::printScalar(scalar)+" Middle";
else if(scalar==1.0f) return ScalarBar::ScalarPrinter::printScalar(scalar)+" Top";
else return ScalarBar::ScalarPrinter::printScalar(scalar);
}
};
#endif
osg::Node* createScalarBar()
{
#if 1
//ScalarsToColors* stc = new ScalarsToColors(0.0f,1.0f);
//ScalarBar* sb = new ScalarBar(2,3,stc,"STC_ScalarBar");
// Create a custom color set
std::vector<osg::Vec4> cs;
cs.push_back(osg::Vec4(1.0f,0.0f,0.0f,1.0f)); // R
cs.push_back(osg::Vec4(0.0f,1.0f,0.0f,1.0f)); // G
cs.push_back(osg::Vec4(1.0f,1.0f,0.0f,1.0f)); // G
cs.push_back(osg::Vec4(0.0f,0.0f,1.0f,1.0f)); // B
cs.push_back(osg::Vec4(0.0f,1.0f,1.0f,1.0f)); // R
ColorRange* cr = new ColorRange(0.0f,1.0f,cs);
ScalarBar* sb = new ScalarBar(20, 11, cr, "ScalarBar", ScalarBar::VERTICAL, 0.1f, new MyScalarPrinter);
sb->setScalarPrinter(new MyScalarPrinter);
return sb;
#else
ScalarBar *sb = new ScalarBar;
ScalarBar::TextProperties tp;
tp._fontFile = "fonts/times.ttf";
sb->setTextProperties(tp);
return sb;
#endif
}
osg::Node * createScalarBar_HUD()
{
osgSim::ScalarBar * geode = new osgSim::ScalarBar;
osgSim::ScalarBar::TextProperties tp;
tp._fontFile = "fonts/times.ttf";
geode->setTextProperties(tp);
osg::StateSet * stateset = geode->getOrCreateStateSet();
stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
stateset->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF);
stateset->setRenderBinDetails(11, "RenderBin");
osg::MatrixTransform * modelview = new osg::MatrixTransform;
modelview->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
osg::Matrixd matrix(osg::Matrixd::scale(1000,1000,1000) * osg::Matrixd::translate(120,10,0)); // I've played with these values a lot and it seems to work, but I have no idea why
modelview->setMatrix(matrix);
modelview->addChild(geode);
osg::Projection * projection = new osg::Projection;
projection->setMatrix(osg::Matrix::ortho2D(0,1280,0,1024)); // or whatever the OSG window res is
projection->addChild(modelview);
return projection; //make sure you delete the return sb line
}
int main(int , char **)
{
// construct the viewer.
osgViewer::Viewer viewer;
osg::Group* group = new osg::Group;
group->addChild(createScalarBar());
group->addChild(createScalarBar_HUD());
// add model to viewer.
viewer.setSceneData( group );
return viewer.run();
}
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