pxmlw6n2f/sdformat_for_mpi/sdf/1.6/population.sdf

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2019-04-26 11:20:11 +08:00
<!-- Population -->
<element name="population" required="*">
<description>
The population element defines how and where a set of models will
be automatically populated in Gazebo.
</description>
<attribute name="name" type="string" default="__default__" required="1">
<description>
A unique name for the population. This name must not match
another population in the world.
</description>
</attribute>
<include filename="box_shape.sdf" required="0"/>
<include filename="cylinder_shape.sdf" required="0"/>
<element name="model_count" type="int" default="1" required="1">
<description>The number of models to place.</description>
</element><!-- End Model_count -->
<element name="distribution" required="1">
<description>
Specifies the type of object distribution and its optional parameters.
</description>
<element name="type" type="string" default="random" required="1">
<description>
Define how the objects will be placed in the specified region.
- random: Models placed at random.
- uniform: Models approximately placed in a 2D grid pattern with control
over the number of objects.
- grid: Models evenly placed in a 2D grid pattern. The number of objects
is not explicitly specified, it is based on the number of rows and
columns of the grid.
- linear-x: Models evently placed in a row along the global x-axis.
- linear-y: Models evently placed in a row along the global y-axis.
- linear-z: Models evently placed in a row along the global z-axis.
</description>
</element><!-- End Type -->
<element name="rows" type="int" default="1" required="0">
<description>Number of rows in the grid.</description>
</element><!-- End Rows -->
<element name="cols" type="int" default="1" required="0">
<description>Number of columns in the grid.</description>
</element><!-- End Columns -->
<element name="step" type="vector3" default="0.5 0.5 0" required="0">
<description>Distance between elements of the grid.</description>
</element><!-- End Step -->
</element><!-- End Distribution -->
<include filename="frame.sdf" required="*"/>
<include filename="pose.sdf" required="0"/>
<include filename="model.sdf" required="1"/>
</element> <!-- End Population -->