Set reasonable defaults for sargans

Signed-off-by: Ryan Friedman <ryanfriedman5410+github@gmail.com>

Author: Ryanf55

launch/load_tif_launch.xml

@@ -6,9 +6,13 @@
     <node pkg="grid_map_geo" exec="map_publisher" name="map_publisher" output="screen">
         <param name="gdal_dataset_path" value="$(find-pkg-share grid_map_geo)/resources/sargans.tif"/>
         <param name="gdal_dataset_color_path" value="$(find-pkg-share grid_map_geo)/resources/sargans_color.tif"/>
+
+        <!-- These values match sargans.tif, but could be increased with no effect on sargans -->
+        <param name="max_map_width" value="748"/>
+        <param name="max_map_height" value="1220"/>
     </node>
 
     <group if="$(var rviz)">
-        <node exec="rviz2" name="rviz2" pkg="rviz2"  args="-d $(find-pkg-share grid_map_geo)/launch/config.rviz" />
+        <node exec="rviz2" name="rviz2" pkg="rviz2"  args="-d $(find-pkg-share grid_map_geo)/rviz/config.rviz" />
     </group>
 </launch>