<html><head></head><body><p dir="ltr">I think the easiest is to give the labels a certain name, then use a NodeVisitor and implement apply(Text3D) checking the name and setting the new font.</p>
<br><br><div class="gmail_quote">On 18. April 2020 09:54:24 MESZ, OpenSceneGraph Users <osg-users@lists.openscenegraph.org> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div dir="ltr"><div>I want to set the font of the axes labels(X,Y,Z) using GUI so I traverse through the scenegraph, to access the axis labels(X,Y,Z) which are text3D nodes. The function getLabelText3D(..) returns the drawables as text3D and later set the font of the drawable by setFont() but the font style only gets applied on X label but not Y,Z. Now how do I access the remaining drawables.</div><div><br /></div><div><br /></div><div>osgText::Text3D* AxesNode::getLabelText3D(::osg::Node* axes)<br /> {<br />
osg::Switch *switch_node = getLabelSwitch(axes); // returns the
switch node which has the Geode to which X,Y,Z text3D nodes are added as
drawables.<br /> if(!switch_node)<br /> {<br /> return NULL;<br /> }<br /><br /> osg::Node* node = switch_node->getChild(0);<br /> osg::Geode* geode_node = node->asGeode();<br /> if(geode_node && geode_node->getNumDrawables() > 1)<br /> {<br /> for(osg::Drawable* drawable : geode_node->getDrawableList())<br /> {<br />
osgText::Text3D* text =
dynamic_cast<osgText::Text3D*>(drawable); //here I have three
drawables X,Y,Z but the function only returns X drawable<br /> if(text)<br /> {<br /> return text;<br /> }<br /> }<br /> }<br /> return NULL;<br /> }</div><div><br /></div><div><br /></div><div><br /></div><div>void Vizkit3DWidget::setFont(....)<br />{<br /> <br /> osg::Node *node = FindNode::find(*getRootNode(),"axes_node");<br /> <br /> osgText::Text3D* text3d = AxesNode::getLabelText3D(switch_node->getChild(0));<br /> <br /> text3d->setFont(font_d.get()); //only sets font for X label, no effect on Y,Z label<br /> </div><div> emit propertyChanged("font");<br />}</div><div><br /></div><div><br /></div><div> </div></div>
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