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	<title>Real-Time Physics Simulation Forum</title>
	
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	<updated>2018-02-07T03:57:25+00:00</updated>

	<author><name><![CDATA[Real-Time Physics Simulation Forum]]></name></author>
	<id>https://pybullet.org/Bullet/phpBB3/app.php/feed/topic/12008</id>

		<entry>
		<author><name><![CDATA[Erwin Coumans]]></name></author>
		<updated>2018-02-07T03:57:25+00:00</updated>

		<published>2018-02-07T03:57:25+00:00</published>
		<id>https://pybullet.org/Bullet/phpBB3/viewtopic.php?p=40405#p40405</id>
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		<title type="html"><![CDATA[Re: Geometry resolution importing from URDF]]></title>

		
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You can use the flags=pybullet.URDF_USE_IMPLICIT_CYLINDER in loadURDF, then it uses an implicit cylinder. Alternatively, just model a tesselated cylinder in Blender (or other 3d modeler) at the resolution you like, and write it to a wavefront OBJ file and use that.<p>Statistics: Posted by <a href="https://pybullet.org/Bullet/phpBB3/memberlist.php?mode=viewprofile&amp;u=2">Erwin Coumans</a> — Wed Feb 07, 2018 3:57 am</p><hr />
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		<entry>
		<author><name><![CDATA[yconst]]></name></author>
		<updated>2018-02-01T10:51:44+00:00</updated>

		<published>2018-02-01T10:51:44+00:00</published>
		<id>https://pybullet.org/Bullet/phpBB3/viewtopic.php?p=40382#p40382</id>
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		<title type="html"><![CDATA[Geometry resolution importing from URDF]]></title>

		
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I am importing a simple model made out of a box and two cylinders from URDF. When I import the cylinders are visibly jagged (low resolution geometry).<br><div class="inline-attachment"><dl class="file"><dt class="attach-image"><img src="https://pybullet.org/Bullet/phpBB3/download/file.php?id=1597" class="postimage" alt="wh.png" onclick="viewableArea(this);" /></dt></dl></div>While I am not so much interested in the visual appearance, I can imagine that this also affects collision.<br><br>Question is, how can I increase the resolution of *collision* geometry when importing? Is it a URDF thing or pybullet?<br><br>Thank you.<br><br>Partial URDF is below:<br><div class="codebox"><p>Code: </p><pre><code>&lt;link name="l_wheel"&gt;    &lt;visual&gt;      &lt;geometry&gt;        &lt;cylinder length="0.02" radius="0.05"/&gt;      &lt;/geometry&gt;      &lt;origin rpy="0 1.5707963 0" xyz="0 0 0"/&gt;      &lt;material name="black"/&gt;    &lt;/visual&gt;    &lt;collision&gt;      &lt;geometry&gt;        &lt;cylinder length="0.02" radius="0.05"/&gt;      &lt;/geometry&gt;      &lt;origin rpy="0 1.5707963 0" xyz="0 0 0"/&gt;      &lt;contact_coefficients mu="0.8" /&gt;    &lt;/collision&gt;    &lt;inertial&gt;      &lt;mass value="0.1"/&gt;      &lt;inertia ixx="0.0001" ixy="0.0" ixz="0.0" iyy="0.0001" iyz="0.0" izz="0.0001"/&gt;      &lt;origin rpy="0 0 0" xyz="0 0 0"/&gt;    &lt;/inertial&gt;  &lt;/link&gt;</code></pre></div><p>Statistics: Posted by <a href="https://pybullet.org/Bullet/phpBB3/memberlist.php?mode=viewprofile&amp;u=12513">yconst</a> — Thu Feb 01, 2018 10:51 am</p><hr />
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