SymbolNode::SymbolNode(std::string _id, std::string _stype) : osg::Group()
{
id = _id;
stype = _stype;
vel = osg::Vec3(0,0,0);
pos = osg::Vec3(0,0,0);
billboard = new osg::Billboard();
addChild(billboard);
billboard->setMode(osg::Billboard::POINT_ROT_EYE);
osg::StateSet* stateset = new osg::StateSet();
osg::Image* image = osgDB::readImageFile("texture.png");
if (image)
{
osg::Texture2D* texture = new osg::Texture2D;
texture->setImage(image);
texture->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR);
stateset->setTextureAttributeAndModes(0, texture, osg::StateAttribute::ON);
}
stateset->setMode(GL_LIGHTING, osg::StateAttribute::ON);
setStateSet(stateset);
osg::TessellationHints* hints = new osg::TessellationHints;
hints->setDetailRatio(0.6f);
sphere = new osg::ShapeDrawable(new osg::Sphere(osg::Vec3(0.0f,0.0f,0.0f), RADIUS), hints);
billboard->addDrawable(sphere);
osgText::Font *font = osgText::readFontFile("fonts/arial.ttf");
osg::Vec4 fontSizeColor(0.6f, 0.0f, 0.0f, 100.0f);
osg::Vec3 cursor;
cursor = osg::Vec3(0, -RADIUS, 0.52*RADIUS);
textId = new osgText::Text;
textId->setFont(font);
textId->setCharacterSize(120);
textId->setAxisAlignment(osgText::TextBase::XZ_PLANE);
textId->setPosition(cursor);
textId->setColor(fontSizeColor);
textId->setAlignment(osgText::Text::CENTER_CENTER);
textId->setFontResolution(1000, 1000);
textId->setText(id);
billboard->addDrawable(textId);
cursor = osg::Vec3(0, -RADIUS, -0.35*RADIUS);
textType = new osgText::Text;
textType->setFont(font);
textType->setCharacterSize(120);
textType->setAxisAlignment(osgText::TextBase::XZ_PLANE);
textType->setPosition(cursor);
textType->setColor(fontSizeColor);
textType->setAlignment(osgText::Text::CENTER_CENTER);
textType->setFontResolution(10,10);
textType->setText(stype);
billboard->addDrawable(textType);
}
osg::Group* createHUDText()
{
osg::Group* rootNode = new osg::Group;
osgText::Font* font = new osgText::Font(new osgQt::QFontImplementation(QFont("Arial")));
osg::Geode* geode = new osg::Geode;
rootNode->addChild(geode);
float windowHeight = 1024.0f;
float windowWidth = 1280.0f;
float margin = 50.0f;
////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Examples of how to set up different text layout
//
osg::Vec4 layoutColor(1.0f,1.0f,0.0f,1.0f);
float layoutCharacterSize = 20.0f;
{
osgText::Text* text = new osgText::Text;
text->setFont(font);
text->setColor(layoutColor);
text->setCharacterSize(layoutCharacterSize);
text->setPosition(osg::Vec3(margin,windowHeight-margin,0.0f));
// the default layout is left to right, typically used in languages
// originating from europe such as English, French, German, Spanish etc..
text->setLayout(osgText::Text::LEFT_TO_RIGHT);
text->setText("text->setLayout(osgText::Text::LEFT_TO_RIGHT);");
geode->addDrawable(text);
}
{
osgText::Text* text = new osgText::Text;
text->setFont(font);
text->setColor(layoutColor);
text->setCharacterSize(layoutCharacterSize);
text->setPosition(osg::Vec3(windowWidth-margin,windowHeight-margin,0.0f));
// right to left layouts would be used for hebrew or arabic fonts.
text->setLayout(osgText::Text::RIGHT_TO_LEFT);
text->setAlignment(osgText::Text::RIGHT_BASE_LINE);
text->setText("text->setLayout(osgText::Text::RIGHT_TO_LEFT);");
geode->addDrawable(text);
}
{
osgText::Text* text = new osgText::Text;
text->setFont(font);
text->setColor(layoutColor);
text->setPosition(osg::Vec3(margin,windowHeight-margin,0.0f));
text->setCharacterSize(layoutCharacterSize);
// vertical font layout would be used for asian fonts.
text->setLayout(osgText::Text::VERTICAL);
text->setText("text->setLayout(osgText::Text::VERTICAL);");
geode->addDrawable(text);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Examples of how to set up different font resolution
//
osg::Vec4 fontSizeColor(0.0f,1.0f,1.0f,1.0f);
float fontSizeCharacterSize = 30;
osg::Vec3 cursor = osg::Vec3(margin*2,windowHeight-margin*2,0.0f);
{
osgText::Text* text = new osgText::Text;
text->setFont(font);
text->setColor(fontSizeColor);
text->setCharacterSize(fontSizeCharacterSize);
text->setPosition(cursor);
// use text that uses 10 by 10 texels as a target resolution for fonts.
text->setFontResolution(10,10); // blocky but small texture memory usage
text->setText("text->setFontResolution(10,10); // blocky but small texture memory usage");
geode->addDrawable(text);
}
cursor.y() -= fontSizeCharacterSize;
{
osgText::Text* text = new osgText::Text;
text->setFont(font);
text->setColor(fontSizeColor);
text->setCharacterSize(fontSizeCharacterSize);
text->setPosition(cursor);
// use text that uses 20 by 20 texels as a target resolution for fonts.
text->setFontResolution(20,20); // smoother but higher texture memory usage (but still quite low).
text->setText("text->setFontResolution(20,20); // smoother but higher texture memory usage (but still quite low).");
geode->addDrawable(text);
}
cursor.y() -= fontSizeCharacterSize;
{
osgText::Text* text = new osgText::Text;
text->setFont(font);
text->setColor(fontSizeColor);
text->setCharacterSize(fontSizeCharacterSize);
text->setPosition(cursor);
// use text that uses 40 by 40 texels as a target resolution for fonts.
text->setFontResolution(40,40); // even smoother but again higher texture memory usage.
text->setText("text->setFontResolution(40,40); // even smoother but again higher texture memory usage.");
geode->addDrawable(text);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Examples of how to set up different sized text
//
osg::Vec4 characterSizeColor(1.0f,0.0f,1.0f,1.0f);
cursor.y() -= fontSizeCharacterSize*2.0f;
{
osgText::Text* text = new osgText::Text;
text->setFont(font);
text->setColor(characterSizeColor);
text->setFontResolution(20,20);
text->setPosition(cursor);
// use text that is 20 units high.
text->setCharacterSize(20); // small
text->setText("text->setCharacterSize(20.0f); // small");
geode->addDrawable(text);
}
cursor.y() -= 30.0f;
{
osgText::Text* text = new osgText::Text;
text->setFont(font);
text->setColor(characterSizeColor);
text->setFontResolution(30,30);
text->setPosition(cursor);
// use text that is 30 units high.
text->setCharacterSize(30.0f); // medium
text->setText("text->setCharacterSize(30.0f); // medium");
geode->addDrawable(text);
}
cursor.y() -= 50.0f;
{
osgText::Text* text = new osgText::Text;
text->setFont(font);
text->setColor(characterSizeColor);
text->setFontResolution(40,40);
text->setPosition(cursor);
// use text that is 60 units high.
text->setCharacterSize(60.0f); // large
text->setText("text->setCharacterSize(60.0f); // large");
geode->addDrawable(text);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Examples of how to set up different alignments
//
osg::Vec4 alignmentSizeColor(0.0f,1.0f,0.0f,1.0f);
float alignmentCharacterSize = 25.0f;
cursor.x() = 640;
cursor.y() = margin*4.0f;
typedef std::pair<osgText::Text::AlignmentType,std::string> AlignmentPair;
typedef std::vector<AlignmentPair> AlignmentList;
AlignmentList alignmentList;
alignmentList.push_back(AlignmentPair(osgText::Text::LEFT_TOP,"text->setAlignment(\nosgText::Text::LEFT_TOP);"));
alignmentList.push_back(AlignmentPair(osgText::Text::LEFT_CENTER,"text->setAlignment(\nosgText::Text::LEFT_CENTER);"));
alignmentList.push_back(AlignmentPair(osgText::Text::LEFT_BOTTOM,"text->setAlignment(\nosgText::Text::LEFT_BOTTOM);"));
alignmentList.push_back(AlignmentPair(osgText::Text::CENTER_TOP,"text->setAlignment(\nosgText::Text::CENTER_TOP);"));
alignmentList.push_back(AlignmentPair(osgText::Text::CENTER_CENTER,"text->setAlignment(\nosgText::Text::CENTER_CENTER);"));
alignmentList.push_back(AlignmentPair(osgText::Text::CENTER_BOTTOM,"text->setAlignment(\nosgText::Text::CENTER_BOTTOM);"));
alignmentList.push_back(AlignmentPair(osgText::Text::RIGHT_TOP,"text->setAlignment(\nosgText::Text::RIGHT_TOP);"));
alignmentList.push_back(AlignmentPair(osgText::Text::RIGHT_CENTER,"text->setAlignment(\nosgText::Text::RIGHT_CENTER);"));
alignmentList.push_back(AlignmentPair(osgText::Text::RIGHT_BOTTOM,"text->setAlignment(\nosgText::Text::RIGHT_BOTTOM);"));
alignmentList.push_back(AlignmentPair(osgText::Text::LEFT_BASE_LINE,"text->setAlignment(\nosgText::Text::LEFT_BASE_LINE);"));
alignmentList.push_back(AlignmentPair(osgText::Text::CENTER_BASE_LINE,"text->setAlignment(\nosgText::Text::CENTER_BASE_LINE);"));
alignmentList.push_back(AlignmentPair(osgText::Text::RIGHT_BASE_LINE,"text->setAlignment(\nosgText::Text::RIGHT_BASE_LINE);"));
alignmentList.push_back(AlignmentPair(osgText::Text::LEFT_BOTTOM_BASE_LINE,"text->setAlignment(\nosgText::Text::LEFT_BOTTOM_BASE_LINE);"));
alignmentList.push_back(AlignmentPair(osgText::Text::CENTER_BOTTOM_BASE_LINE,"text->setAlignment(\nosgText::Text::CENTER_BOTTOM_BASE_LINE);"));
alignmentList.push_back(AlignmentPair(osgText::Text::RIGHT_BOTTOM_BASE_LINE,"text->setAlignment(\nosgText::Text::RIGHT_BOTTOM_BASE_LINE);"));
osg::Sequence* sequence = new osg::Sequence;
{
for(AlignmentList::iterator itr=alignmentList.begin();
itr!=alignmentList.end();
++itr)
{
osg::Geode* alignmentGeode = new osg::Geode;
sequence->addChild(alignmentGeode);
sequence->setTime(sequence->getNumChildren(), 1.0f);
osgText::Text* text = new osgText::Text;
text->setFont(font);
text->setColor(alignmentSizeColor);
text->setCharacterSize(alignmentCharacterSize);
text->setPosition(cursor);
text->setDrawMode(osgText::Text::TEXT|osgText::Text::ALIGNMENT|osgText::Text::BOUNDINGBOX);
text->setAlignment(itr->first);
text->setText(itr->second);
alignmentGeode->addDrawable(text);
}
}
sequence->setMode(osg::Sequence::START);
sequence->setInterval(osg::Sequence::LOOP, 0, -1);
sequence->setDuration(1.0f, -1);
rootNode->addChild(sequence);
////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Examples of how to set up different fonts...
//
cursor.x() = margin*2.0f;
cursor.y() = margin*2.0f;
osg::Vec4 fontColor(1.0f,0.5f,0.0f,1.0f);
float fontCharacterSize = 20.0f;
float spacing = 40.0f;
{
osgText::Text* text = new osgText::Text;
text->setColor(fontColor);
text->setPosition(cursor);
text->setCharacterSize(fontCharacterSize);
text->setFont(0);
text->setText("text->setFont(0); // inbuilt font.");
geode->addDrawable(text);
cursor.x() = text->getBoundingBox().xMax() + spacing ;
}
{
osgText::Font* arial = new osgText::Font(new osgQt::QFontImplementation(QFont("Arial")));
osgText::Text* text = new osgText::Text;
text->setColor(fontColor);
text->setPosition(cursor);
text->setCharacterSize(fontCharacterSize);
text->setFont(arial);
text->setText(arial!=0?
"text->setFont(\"fonts/arial.ttf\");":
"unable to load \"fonts/arial.ttf\"");
geode->addDrawable(text);
cursor.x() = text->getBoundingBox().xMax() + spacing ;
}
{
osgText::Font* times = new osgText::Font(new osgQt::QFontImplementation(QFont("Times")));
osgText::Text* text = new osgText::Text;
text->setColor(fontColor);
text->setPosition(cursor);
text->setCharacterSize(fontCharacterSize);
geode->addDrawable(text);
text->setFont(times);
text->setText(times!=0?
"text->setFont(\"fonts/times.ttf\");":
"unable to load \"fonts/times.ttf\"");
cursor.x() = text->getBoundingBox().xMax() + spacing ;
}
cursor.x() = margin*2.0f;
cursor.y() = margin;
{
osgText::Font* dirtydoz = new osgText::Font(new osgQt::QFontImplementation(QFont("Times")));
osgText::Text* text = new osgText::Text;
text->setColor(fontColor);
text->setPosition(cursor);
text->setCharacterSize(fontCharacterSize);
text->setFont(dirtydoz);
text->setText(dirtydoz!=0?
"text->setFont(\"fonts/dirtydoz.ttf\");":
"unable to load \"fonts/dirtydoz.ttf\"");
geode->addDrawable(text);
cursor.x() = text->getBoundingBox().xMax() + spacing ;
}
{
osgText::Font* fudd = new osgText::Font(new osgQt::QFontImplementation(QFont("Times")));
osgText::Text* text = new osgText::Text;
text->setColor(fontColor);
text->setPosition(cursor);
text->setCharacterSize(fontCharacterSize);
text->setFont(fudd);
text->setText(fudd!=0?
"text->setFont(\"fonts/fudd.ttf\");":
"unable to load \"fonts/fudd.ttf\"");
geode->addDrawable(text);
cursor.x() = text->getBoundingBox().xMax() + spacing ;
}
return rootNode;
}
GraphModelEdge::GraphModelEdge(std::string _src, std::string _dst, std::string _label, std::map<std::string, SymbolNode *> *_nodeMapId) : osg::Group()
{
src = _src;
dst = _dst;
label = _label;
geode = new osg::Geode;
addChild(geode);
nodeMapId = _nodeMapId;
SymbolNode *s1 = (*nodeMapId)[src];
osg::Vec3 p1 = s1->pos;
SymbolNode *s2 = (*nodeMapId)[dst];
osg::Vec3 p2 = s2->pos;
osg::StateSet* stateset = new osg::StateSet();
stateset->setMode(GL_LIGHTING, osg::StateAttribute::ON);
setStateSet(stateset);
osg::Vec3 pInc = p2-p1;
osg::Vec3 pIncNorm = pInc;
pIncNorm.normalize();
p1 = p1 + pIncNorm*RADIUS;
p2 = p2 - pIncNorm*RADIUS;
pInc = p2 - p1;
float length = pInc.length();
osg::Vec3 ii = p2-p1;
ii.normalize();
osg::Quat quat = quaternionFromInitFinalVector(osg::Vec3(0, 0, 1), ii);
if (length <= 0.000001)
{
printf("hiuhwhuhhuwfqw\n");
exit(1);
}
float effectiveLength = length-TIPSIZE;
osg::Vec3 position(((p1+p2)/2.f)-(pIncNorm*TIPSIZE));
line = new osg::Cylinder(position, RADIUS*0.2, effectiveLength);
line->setRotation(quat);
lineDrawable = new osg::ShapeDrawable(line);
lineDrawable->setColor(osg::Vec4(0.7, 0.7, 0.7, 1));
geode->addDrawable(lineDrawable);
tip = new osg::Cone(p2-pIncNorm*(TIPSIZE+4), 2.*RADIUS/3., 3 *TIPSIZE);
tip->setRotation(quat);
tipDrawable = new osg::ShapeDrawable(tip);
lineDrawable->setColor(osg::Vec4(0.7, 0.7, 0.7, 1));
geode->addDrawable(tipDrawable);
billboard = new osg::Billboard();
addChild(billboard);
billboard->setMode(osg::Billboard::POINT_ROT_EYE);
osg::Vec3 cursor = osg::Vec3(0, -RADIUS, 0.52*RADIUS);
labelText = new osgText::Text;
osgText::Font *font = osgText::readFontFile("fonts/arial.ttf");
osg::Vec4 fontSizeColor(0.2f, 0.0f, 0.0f, 100.0f);
labelText->setFont(font);
labelText->setCharacterSize(120);
labelText->setAxisAlignment(osgText::TextBase::XZ_PLANE);
labelText->setPosition(cursor);
labelText->setColor(fontSizeColor);
labelText->setAlignment(osgText::Text::CENTER_CENTER);
labelText->setFontResolution(1000, 1000);
labelText->setText(label);
billboard->addDrawable(labelText);
}
