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I have made the launch file running, hope this helps. Here I have (camera/depth/color/points) topic and I am using Intel Real Sense D415, you can edit this according to your topic and simply launch the file.

<launch>

<group ns="/pcl_filters"> <node pkg="nodelet" type="nodelet" name="box_filter_pcl_manager" args="manager" output="screen"/>

<!-- Run a passthrough filter to delimit in x direction -->
<node pkg="nodelet" type="nodelet" name="psx" args="load pcl/PassThrough box_filter_pcl_manager" output="screen">
  <remap from="~input" to="/camera/depth/color/points" />
  <rosparam>
    filter_field_name: x
    filter_limit_min: -.8
    filter_limit_max: 0.5
  </rosparam>
</node>

<!-- Run a passthrough filter to delimit in y direction -->
<node pkg="nodelet" type="nodelet" name="psy" args="load pcl/PassThrough box_filter_pcl_manager" output="screen">
  <remap from="~input" to="/camera/depth/color/points" />
  <rosparam>
    filter_field_name: y
    filter_limit_min: -1.
    filter_limit_max: .3
  </rosparam>
</node>

<!-- Run a passthrough filter to delimit in z direction -->
<node pkg="nodelet" type="nodelet" name="psz" args="load pcl/PassThrough box_filter_pcl_manager" output="screen">
  <remap from="~input" to="/camera/depth/color/points" />
  <rosparam>
    filter_field_name: z
    filter_limit_min: 0.0
    filter_limit_max: 2.0
  </rosparam>
</node>

<node pkg="nodelet" type="nodelet" name="cropbox" args="load pcl/CropBox box_filter_pcl_manager" output="screen">
  <remap from="~input" to="/camera/depth/color/points" />
  <rosparam>
    min_x: -0.75
    max_x: 0.5
    min_y: -0.6
    max_y: 0.1
    min_z: $(arg 0.1)
    max_z: 2.0
  </rosparam>
</node>

</group> </launch>