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<p class="MsoNormal">Hi, <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I’m struggling around with some glitches. For the most situations my scene looks fine, but in some cases I got some side effects.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">It looks, that the transparent texture is always rendered on top. But from the used coordinates it is the last object behind all others.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">When I move close to the screen edge the transparency turns off, and the textured object turns black on top of all other objects.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Maybe a short description about the current scene.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I try to show some different overlapping objects: e.g. a colorized point cloud, some transparent and colorized shapes like triangles, and in the background (or better) near the ground plane a transparent texture. The
transparent texture is moved into the opaque_bin… <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#BEC0C2;mso-fareast-language:DE">
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#FF8080;mso-fareast-language:DE">osg</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE">::<span style="color:#FF8080">StateSet</span>*<span style="color:#BEC0C2">
</span><span style="color:#D6BB9A">stateSet</span><span style="color:#BEC0C2"> </span>
=<span style="color:#BEC0C2"> </span><span style="color:#D6BB9A">geo</span>->getOrCreateStateSet();<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#BEC0C2;mso-fareast-language:DE">
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#D6BB9A;mso-fareast-language:DE">stateSet-></span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE">setMode(<span style="color:#BEC0C2">
</span><span style="color:#FF6AAD">GL_BLEND</span>,<span style="color:#BEC0C2"> </span>
<span style="color:#FF8080">osg</span>::<span style="color:#FF8080">StateAttribute</span>::<i><span style="color:#66A334">ON</span></i><span style="color:#BEC0C2">
</span>);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#BEC0C2;mso-fareast-language:DE">
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#D6BB9A;mso-fareast-language:DE">stateSet</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE">->setTextureAttributeAndModes(<span style="color:#BEC0C2">
</span><span style="color:#8A602C">0</span>,<span style="color:#BEC0C2"> </span>m_texture,<span style="color:#BEC0C2">
</span><span style="color:#FF8080">osg</span>::<span style="color:#FF8080">StateAttribute</span>::<i><span style="color:#66A334">ON</span></i><span style="color:#BEC0C2">
</span>);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#BEC0C2;mso-fareast-language:DE">
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#D6BB9A;mso-fareast-language:DE">stateSet</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE">->setRenderingHint(<span style="color:#BEC0C2">
</span><span style="color:#FF8080">osg</span>::<span style="color:#FF8080">StateSet</span>::<i><span style="color:#66A334">OPAQUE_BIN</span></i><span style="color:#BEC0C2">
</span>);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#BEC0C2;mso-fareast-language:DE">
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#D6BB9A;mso-fareast-language:DE">stateSet</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE">->setMode(<span style="color:#BEC0C2">
</span><span style="color:#FF6AAD">GL_DEPTH_TEST</span>,<span style="color:#BEC0C2">
</span><span style="color:#FF8080">osg</span>::<span style="color:#FF8080">StateAttribute</span>::<i><span style="color:#66A334">OFF</span></i><span style="color:#BEC0C2">
</span>);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#BEC0C2;mso-fareast-language:DE"> </span><span lang="EN-US" style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#D6BB9A;mso-fareast-language:DE">stateSet</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:DE">->setMode(<span style="color:#BEC0C2">
</span><span style="color:#FF6AAD">GL_LIGHTING</span>,<span style="color:#BEC0C2">
</span><span style="color:#FF8080">osg</span>::<span style="color:#FF8080">StateAttribute</span>::<i><span style="color:#66A334">OFF</span></i><span style="color:#BEC0C2">
</span>);</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">… when I try to put it to transparent_bin I got some smearing effects, but the described effect is still there.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Currently I’m not sure if I do not run into some other issues as well like clipping or something like that. Or maybe a shadow.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Maybe you have an hint or some further information, anything would be more than welcome ;)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Florian<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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