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hi, maybe you have problems with frames, you have to check how to set frames in your launch file, i remener i had issues like this and i changes my launch file to this and it orks just fine

<launch> <arg name="tf_map_scanmatch_transform_frame_name" default="scanmatcher_frame"/> <arg name="base_frame" default="base_footprint"/> <arg name="odom_frame" default="nav"/> <arg name="pub_map_odom_transform" default="true"/> <arg name="scan_subscriber_queue_size" default="5"/> <arg name="scan_topic" default="scan"/> <arg name="map_size" default="450"/>

<node pkg="hector_mapping" type="hector_mapping" name="hector_mapping" output="screen">

<!-- Frame names -->
<!--param name="map_frame" value="map" />
<param name="base_frame" value="$(arg base_frame)" />
<param name="odom_frame" value="$(arg odom_frame)" /-->

<!-- ADD to configure our robot -->
    <param name="map_frame" value="map" />
    <param name="base_frame" value="base_link" />
<!--param name="base_stabilized" value="base_link" /-->
    <param name="odom_frame" value="base_link" /><!--"odom" /-->

<!-- Tf use -->
<param name="use_tf_scan_transformation" value="true"/>
<param name="use_tf_pose_start_estimate" value="false"/>
<param name="pub_map_odom_transform" value="$(arg pub_map_odom_transform)"/>

<!-- Map size / start point -->
<param name="map_resolution" value="0.030"/>
<param name="map_size" value="$(arg map_size)"/>
<param name="map_start_x" value="0.5"/>
<param name="map_start_y" value="0.5" />
<param name="map_multi_res_levels" value="2" />

<!-- Map update parameters -->
<param name="update_factor_free" value="0.4"/>
<param name="update_factor_occupied" value="0.9" />    
<param name="map_update_distance_thresh" value="0.4"/>
<param name="map_update_angle_thresh" value="0.06" />
<param name="laser_z_min_value" value = "-1.0" />
<param name="laser_z_max_value" value = "1.0" />

<!-- Advertising config --> 
<param name="advertise_map_service" value="true"/>

<param name="scan_subscriber_queue_size" value="$(arg scan_subscriber_queue_size)"/>
<param name="scan_topic" value="$(arg scan_topic)"/>

<!-- Debug parameters -->
<!--
  <param name="output_timing" value="false"/>
  <param name="pub_drawings" value="true"/>
  <param name="pub_debug_output" value="true"/>
-->
<param name="tf_map_scanmatch_transform_frame_name" value="$(arg tf_map_scanmatch_transform_frame_name)" />

</node>

</launch>

hi, maybe you have problems with frames, you have to check how to set frames in your launch file, i remener i had issues like this and i changes my launch file to this and it orks just fine

<launch> fine <arg name="tf_map_scanmatch_transform_frame_name" default="scanmatcher_frame"/> <arg name="base_frame" default="base_footprint"/> <arg name="odom_frame" default="nav"/> <arg name="pub_map_odom_transform" default="true"/> <arg name="scan_subscriber_queue_size" default="5"/> <arg name="scan_topic" default="scan"/> <arg name="map_size" default="450"/>

<node pkg="hector_mapping" type="hector_mapping" name="hector_mapping" output="screen">

<!-- Frame names -->
<!--param name="map_frame" value="map" />
<param name="base_frame" value="$(arg base_frame)" />
<param name="odom_frame" value="$(arg odom_frame)" /-->

<!-- ADD to configure our robot -->
    <param name="map_frame" value="map" />
    <param name="base_frame" value="base_link" />
<!--param name="base_stabilized" value="base_link" /-->
    <param name="odom_frame" value="base_link" /><!--"odom" /-->

<!-- Tf use -->
<param name="use_tf_scan_transformation" value="true"/>
<param name="use_tf_pose_start_estimate" value="false"/>
<param name="pub_map_odom_transform" value="$(arg pub_map_odom_transform)"/>

<!-- Map size / start point -->
<param name="map_resolution" value="0.030"/>
<param name="map_size" value="$(arg map_size)"/>
<param name="map_start_x" value="0.5"/>
<param name="map_start_y" value="0.5" />
<param name="map_multi_res_levels" value="2" />

<!-- Map update parameters -->
<param name="update_factor_free" value="0.4"/>
<param name="update_factor_occupied" value="0.9" />    
<param name="map_update_distance_thresh" value="0.4"/>
<param name="map_update_angle_thresh" value="0.06" />
<param name="laser_z_min_value" value = "-1.0" />
<param name="laser_z_max_value" value = "1.0" />

<!-- Advertising config --> 
<param name="advertise_map_service" value="true"/>

<param name="scan_subscriber_queue_size" value="$(arg scan_subscriber_queue_size)"/>
<param name="scan_topic" value="$(arg scan_topic)"/>

<!-- Debug parameters -->
<!--
  <param name="output_timing" value="false"/>
  <param name="pub_drawings" value="true"/>
  <param name="pub_debug_output" value="true"/>
-->
<param name="tf_map_scanmatch_transform_frame_name" value="$(arg tf_map_scanmatch_transform_frame_name)" />

</node>

</launch>

hi, maybe you have problems with frames, you have to check how to set frames in your launch file, i remener i had issues like this and i changes my launch file to this and it orks just fine fine

<arg name="tf_map_scanmatch_transform_frame_name" default="scanmatcher_frame"/> <arg name="base_frame" default="base_footprint"/> <arg name="odom_frame" default="nav"/> <arg name="pub_map_odom_transform" default="true"/> <arg name="scan_subscriber_queue_size" default="5"/> <arg name="scan_topic" default="scan"/> <arg name="map_size" default="450"/>

default="450"/>
<node pkg="hector_mapping" type="hector_mapping" name="hector_mapping" output="screen">output="screen">

<!-- Frame names -->
<!--param name="map_frame" value="map" />
<param name="base_frame" value="$(arg base_frame)" />
<param name="odom_frame" value="$(arg odom_frame)" /-->

<!-- ADD to configure our robot -->
    <param name="map_frame" value="map" />
    <param name="base_frame" value="base_link" />
<!--param name="base_stabilized" value="base_link" /-->
    <param name="odom_frame" value="base_link" /><!--"odom" /-->

<!-- Tf use -->
<param name="use_tf_scan_transformation" value="true"/>
<param name="use_tf_pose_start_estimate" value="false"/>
<param name="pub_map_odom_transform" value="$(arg pub_map_odom_transform)"/>

<!-- Map size / start point -->
<param name="map_resolution" value="0.030"/>
<param name="map_size" value="$(arg map_size)"/>
<param name="map_start_x" value="0.5"/>
<param name="map_start_y" value="0.5" />
<param name="map_multi_res_levels" value="2" />

<!-- Map update parameters -->
<param name="update_factor_free" value="0.4"/>
<param name="update_factor_occupied" value="0.9" />    
<param name="map_update_distance_thresh" value="0.4"/>
<param name="map_update_angle_thresh" value="0.06" />
<param name="laser_z_min_value" value = "-1.0" />
<param name="laser_z_max_value" value = "1.0" />

<!-- Advertising config --> 
<param name="advertise_map_service" value="true"/>

<param name="scan_subscriber_queue_size" value="$(arg scan_subscriber_queue_size)"/>
<param name="scan_topic" value="$(arg scan_topic)"/>

<!-- Debug parameters -->
<!--
  <param name="output_timing" value="false"/>
  <param name="pub_drawings" value="true"/>
  <param name="pub_debug_output" value="true"/>
-->
<param name="tf_map_scanmatch_transform_frame_name" value="$(arg tf_map_scanmatch_transform_frame_name)" />

</node>

hi, maybe you have problems with frames, you have to check how to set frames in your launch file, i remener i had issues like this and i changes my launch file to this and it orks just fine

<arg name="tf_map_scanmatch_transform_frame_name" default="scanmatcher_frame"/> <arg name="base_frame" default="base_footprint"/> <arg name="odom_frame" default="nav"/> <arg name="pub_map_odom_transform" default="true"/> <arg name="scan_subscriber_queue_size" default="5"/> <arg name="scan_topic" default="scan"/> ... <arg name="map_size" default="450"/>
<node pkg="hector_mapping" type="hector_mapping" name="hector_mapping" output="screen">

<!-- Map size / start point -->
<param name="map_resolution" value="0.030"/>
<param name="map_size" value="$(arg map_size)"/>
<param name="map_start_x" value="0.5"/>
<param name="map_start_y" value="0.5" />
<param name="map_multi_res_levels" value="2" />

<!-- Map update parameters -->
<param name="update_factor_free" value="0.4"/>
<param name="update_factor_occupied" value="0.9" />    
<param name="map_update_distance_thresh" value="0.4"/>
<param name="map_update_angle_thresh" value="0.06" />
<param name="laser_z_min_value" value = "-1.0" />
<param name="laser_z_max_value" value = "1.0" />

<!-- Advertising config --> 
<param name="advertise_map_service" value="true"/>

<param name="scan_subscriber_queue_size" value="$(arg scan_subscriber_queue_size)"/>
<param name="scan_topic" value="$(arg scan_topic)"/>

<!-- Debug parameters -->
<!--
  <param name="output_timing" value="false"/>
  <param name="pub_drawings" value="true"/>
  <param name="pub_debug_output" value="true"/>
-->
<param name="tf_map_scanmatch_transform_frame_name" value="$(arg tf_map_scanmatch_transform_frame_name)" />

</node>