148 lines
5.0 KiB
C++
148 lines
5.0 KiB
C++
/* OpenSceneGraph example, osgscalarbar.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <osg/Geode>
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#include <osg/ShapeDrawable>
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#include <osg/Material>
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#include <osg/Texture2D>
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#include <osg/MatrixTransform>
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#include <osg/PositionAttitudeTransform>
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#include <osg/BlendFunc>
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#include <osg/ClearNode>
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#include <osg/Projection>
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#include <osgUtil/CullVisitor>
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#include <osgGA/TrackballManipulator>
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#include <osgViewer/Viewer>
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#include <osgDB/ReadFile>
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#include <osgSim/ScalarsToColors>
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#include <osgSim/ColorRange>
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#include <osgSim/ScalarBar>
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#include <sstream>
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#include <iostream>
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#include <math.h>
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using namespace osgSim;
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using osgSim::ScalarBar;
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#if defined(_MSC_VER)
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// not have to have this pathway for just VS6.0 as its unable to handle the full
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// ScalarBar::ScalarPrinter::printScalar scoping.
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// Create a custom scalar printer
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struct MyScalarPrinter: public ScalarBar::ScalarPrinter
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{
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std::string printScalar(float scalar)
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{
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std::cout<<"In MyScalarPrinter::printScalar"<<std::endl;
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if(scalar==0.0f) return ScalarPrinter::printScalar(scalar)+" Bottom";
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else if(scalar==0.5f) return ScalarPrinter::printScalar(scalar)+" Middle";
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else if(scalar==1.0f) return ScalarPrinter::printScalar(scalar)+" Top";
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else return ScalarPrinter::printScalar(scalar);
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}
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};
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#else
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// Create a custom scalar printer
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struct MyScalarPrinter: public ScalarBar::ScalarPrinter
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{
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std::string printScalar(float scalar)
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{
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std::cout<<"In MyScalarPrinter::printScalar"<<std::endl;
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if(scalar==0.0f) return ScalarBar::ScalarPrinter::printScalar(scalar)+" Bottom";
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else if(scalar==0.5f) return ScalarBar::ScalarPrinter::printScalar(scalar)+" Middle";
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else if(scalar==1.0f) return ScalarBar::ScalarPrinter::printScalar(scalar)+" Top";
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else return ScalarBar::ScalarPrinter::printScalar(scalar);
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}
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};
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#endif
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osg::Node* createScalarBar()
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{
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#if 1
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//ScalarsToColors* stc = new ScalarsToColors(0.0f,1.0f);
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//ScalarBar* sb = new ScalarBar(2,3,stc,"STC_ScalarBar");
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// Create a custom color set
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std::vector<osg::Vec4> cs;
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cs.push_back(osg::Vec4(1.0f,0.0f,0.0f,1.0f)); // R
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cs.push_back(osg::Vec4(0.0f,1.0f,0.0f,1.0f)); // G
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cs.push_back(osg::Vec4(1.0f,1.0f,0.0f,1.0f)); // G
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cs.push_back(osg::Vec4(0.0f,0.0f,1.0f,1.0f)); // B
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cs.push_back(osg::Vec4(0.0f,1.0f,1.0f,1.0f)); // R
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ColorRange* cr = new ColorRange(0.0f,1.0f,cs);
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ScalarBar* sb = new ScalarBar(20, 11, cr, "ScalarBar", ScalarBar::VERTICAL, 0.1f, new MyScalarPrinter);
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sb->setScalarPrinter(new MyScalarPrinter);
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return sb;
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#else
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ScalarBar *sb = new ScalarBar;
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ScalarBar::TextProperties tp;
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tp._fontFile = "fonts/times.ttf";
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sb->setTextProperties(tp);
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return sb;
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#endif
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}
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osg::Node * createScalarBar_HUD()
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{
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osgSim::ScalarBar * geode = new osgSim::ScalarBar;
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osgSim::ScalarBar::TextProperties tp;
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tp._fontFile = "fonts/times.ttf";
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geode->setTextProperties(tp);
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osg::StateSet * stateset = geode->getOrCreateStateSet();
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stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
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stateset->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF);
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stateset->setRenderBinDetails(11, "RenderBin");
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osg::MatrixTransform * modelview = new osg::MatrixTransform;
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modelview->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
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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
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modelview->setMatrix(matrix);
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modelview->addChild(geode);
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osg::Projection * projection = new osg::Projection;
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projection->setMatrix(osg::Matrix::ortho2D(0,1280,0,1024)); // or whatever the OSG window res is
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projection->addChild(modelview);
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return projection; //make sure you delete the return sb line
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}
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int main(int , char **)
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{
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// construct the viewer.
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osgViewer::Viewer viewer;
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osg::Group* group = new osg::Group;
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group->addChild(createScalarBar());
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group->addChild(createScalarBar_HUD());
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// add model to viewer.
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viewer.setSceneData( group );
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return viewer.run();
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}
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