<?xml version="1.0" encoding="utf-8"?> <sdf version="1.4"> <world name="default"> <!-- A global light source --> <include> <uri>model://sun</uri> </include> <!-- A ground plane --> <include> <uri>model://ground_plane</uri> </include> <physics type="ode"> <real_time_update_rate>1000.0</real_time_update_rate> <max_step_size>0.001</max_step_size> <real_time_factor>1</real_time_factor> <ode> <solver> <type>quick</type> <iters>150</iters> <precon_iters>0</precon_iters> <sor>1.400000</sor> <use_dynamic_moi_rescaling>1</use_dynamic_moi_rescaling> </solver> <constraints> <cfm>0.00001</cfm> <erp>0.2</erp> <contact_max_correcting_vel>2000.000000</contact_max_correcting_vel> <contact_surface_layer>0.01000</contact_surface_layer> </constraints> </ode> </physics> <scene> <ambient>0.4 0.4 0.4 1</ambient> <background>0.7 0.7 0.7 1</background> <shadows>true</shadows> </scene> <gui fullscreen="0"> <camera name="user_camera"> <pose>0.0 0.0 17.0 0 1.5708 0</pose> <view_controller>orbit</view_controller> </camera> </gui> <model name="cylinder_s_R_0.1"> <pose>1 3 0 0 0 0</pose> <link name="link"> <collision name="collision"> <geometry> <cylinder> <radius>0.1</radius> <length>1</length> </cylinder> </geometry> </collision> <visual name="visual"> <geometry> <cylinder> <radius>0.1</radius> <length>1</length> </cylinder> </geometry> </visual> </link> </model> </world> </sdf>