a

install/gc_navigation_fish/share/ament_index/resource_index/package_run_dependencies/gc_navigation_fish

@@ -0,0 +1 @@
+nav2_bringup;ament_lint_auto;ament_lint_common

install/gc_navigation_fish/share/ament_index/resource_index/parent_prefix_path/gc_navigation_fish

@@ -0,0 +1 @@
+/home/guoch/test_ws/install/origincar_description:/home/guoch/test_ws/install/gc_slamtoolbox:/home/guoch/test_ws/install/gc_slam_toolbox_fish:/home/guoch/test_ws/install/gc_navigation_fish:/home/guoch/test_ws/install/gc_navigation:/home/guoch/test_ws/src/install/origincar_description:/home/guoch/test_ws/src/install/gc_slamtoolbox:/home/guoch/test_ws/src/install/gc_slam_toolbox_fish:/home/guoch/test_ws/src/install/gc_navigation_fish:/home/guoch/test_ws/src/install/gc_navigation:/home/guoch/robot_ws/install/my_robot_description:/opt/ros/humble

install/gc_navigation_fish/share/colcon-core/packages/gc_navigation_fish

@@ -0,0 +1 @@
+nav2_bringup

install/gc_navigation_fish/share/gc_navigation_fish/cmake/gc_navigation_fishConfig-version.cmake

@@ -0,0 +1,14 @@
+# generated from ament/cmake/core/templates/nameConfig-version.cmake.in
+set(PACKAGE_VERSION "0.0.0")
+
+set(PACKAGE_VERSION_EXACT False)
+set(PACKAGE_VERSION_COMPATIBLE False)
+
+if("${PACKAGE_FIND_VERSION}" VERSION_EQUAL "${PACKAGE_VERSION}")
+  set(PACKAGE_VERSION_EXACT True)
+  set(PACKAGE_VERSION_COMPATIBLE True)
+endif()
+
+if("${PACKAGE_FIND_VERSION}" VERSION_LESS "${PACKAGE_VERSION}")
+  set(PACKAGE_VERSION_COMPATIBLE True)
+endif()

install/gc_navigation_fish/share/gc_navigation_fish/cmake/gc_navigation_fishConfig.cmake

@@ -0,0 +1,42 @@
+# generated from ament/cmake/core/templates/nameConfig.cmake.in
+
+# prevent multiple inclusion
+if(_gc_navigation_fish_CONFIG_INCLUDED)
+  # ensure to keep the found flag the same
+  if(NOT DEFINED gc_navigation_fish_FOUND)
+    # explicitly set it to FALSE, otherwise CMake will set it to TRUE
+    set(gc_navigation_fish_FOUND FALSE)
+  elseif(NOT gc_navigation_fish_FOUND)
+    # use separate condition to avoid uninitialized variable warning
+    set(gc_navigation_fish_FOUND FALSE)
+  endif()
+  return()
+endif()
+set(_gc_navigation_fish_CONFIG_INCLUDED TRUE)
+
+# output package information
+if(NOT gc_navigation_fish_FIND_QUIETLY)
+  message(STATUS "Found gc_navigation_fish: 0.0.0 (${gc_navigation_fish_DIR})")
+endif()
+
+# warn when using a deprecated package
+if(NOT "" STREQUAL "")
+  set(_msg "Package 'gc_navigation_fish' is deprecated")
+  # append custom deprecation text if available
+  if(NOT "" STREQUAL "TRUE")
+    set(_msg "${_msg} ()")
+  endif()
+  # optionally quiet the deprecation message
+  if(NOT ${gc_navigation_fish_DEPRECATED_QUIET})
+    message(DEPRECATION "${_msg}")
+  endif()
+endif()
+
+# flag package as ament-based to distinguish it after being find_package()-ed
+set(gc_navigation_fish_FOUND_AMENT_PACKAGE TRUE)
+
+# include all config extra files
+set(_extras "")
+foreach(_extra ${_extras})
+  include("${gc_navigation_fish_DIR}/${_extra}")
+endforeach()

install/gc_navigation_fish/share/gc_navigation_fish/environment/ament_prefix_path.dsv

@@ -0,0 +1 @@
+prepend-non-duplicate;AMENT_PREFIX_PATH;

install/gc_navigation_fish/share/gc_navigation_fish/environment/ament_prefix_path.sh

@@ -0,0 +1,4 @@
+# copied from
+# ament_cmake_core/cmake/environment_hooks/environment/ament_prefix_path.sh
+
+ament_prepend_unique_value AMENT_PREFIX_PATH "$AMENT_CURRENT_PREFIX"

install/gc_navigation_fish/share/gc_navigation_fish/environment/path.dsv

@@ -0,0 +1 @@
+prepend-non-duplicate-if-exists;PATH;bin

install/gc_navigation_fish/share/gc_navigation_fish/environment/path.sh

@@ -0,0 +1,5 @@
+# copied from ament_cmake_core/cmake/environment_hooks/environment/path.sh
+
+if [ -d "$AMENT_CURRENT_PREFIX/bin" ]; then
+  ament_prepend_unique_value PATH "$AMENT_CURRENT_PREFIX/bin"
+fi

install/gc_navigation_fish/share/gc_navigation_fish/hook/cmake_prefix_path.dsv

@@ -0,0 +1 @@
+prepend-non-duplicate;CMAKE_PREFIX_PATH;

install/gc_navigation_fish/share/gc_navigation_fish/hook/cmake_prefix_path.ps1

@@ -0,0 +1,3 @@
+# generated from colcon_powershell/shell/template/hook_prepend_value.ps1.em
+
+colcon_prepend_unique_value CMAKE_PREFIX_PATH "$env:COLCON_CURRENT_PREFIX"

install/gc_navigation_fish/share/gc_navigation_fish/hook/cmake_prefix_path.sh

@@ -0,0 +1,3 @@
+# generated from colcon_core/shell/template/hook_prepend_value.sh.em
+
+_colcon_prepend_unique_value CMAKE_PREFIX_PATH "$COLCON_CURRENT_PREFIX"

install/gc_navigation_fish/share/gc_navigation_fish/launch/gc_navigation.launch.py

@@ -0,0 +1,34 @@
+import os
+from ament_index_python.packages import get_package_share_directory
+from launch import LaunchDescription
+from launch.actions import IncludeLaunchDescription
+from launch.launch_description_sources import PythonLaunchDescriptionSource
+from launch.substitutions import LaunchConfiguration
+from launch_ros.actions import Node
+
+
+def generate_launch_description():
+    # =============================1.定位到包的地址=============================================================
+    gc_navigation_fish_dir = get_package_share_directory(
+        'gc_navigation_fish')
+    nav2_bringup_dir = get_package_share_directory('nav2_bringup')
+
+    # =============================2.声明参数，获取配置文件路径===================================================
+    # use_sim_time 这里要设置成true,因为gazebo是仿真环境，其时间是通过/clock话题获取，而不是系统时间
+    use_sim_time = LaunchConfiguration('use_sim_time', default='true')
+    map_yaml_path = LaunchConfiguration('map', default=os.path.join(
+        gc_navigation_fish_dir, 'maps', 'my_map.yaml'))
+    nav2_param_path = LaunchConfiguration('params_file', default=os.path.join(
+        gc_navigation_fish_dir, 'param', 'gc_navigation.yaml'))
+    # =============================3.声明启动launch文件，传入：地图路径、是否使用仿真时间以及nav2参数文件==============
+    nav2_bringup_launch = IncludeLaunchDescription(
+        PythonLaunchDescriptionSource(
+            [nav2_bringup_dir, '/launch', '/bringup_launch.py']),
+        launch_arguments={
+            'map': map_yaml_path,
+            'use_sim_time': use_sim_time,
+            'params_file': nav2_param_path}.items(),
+    )
+
+
+    return LaunchDescription([nav2_bringup_launch])

install/gc_navigation_fish/share/gc_navigation_fish/local_setup.bash

@@ -0,0 +1,46 @@
+# generated from ament_package/template/package_level/local_setup.bash.in
+
+# source local_setup.sh from same directory as this file
+_this_path=$(builtin cd "`dirname "${BASH_SOURCE[0]}"`" && pwd)
+# provide AMENT_CURRENT_PREFIX to shell script
+AMENT_CURRENT_PREFIX=$(builtin cd "`dirname "${BASH_SOURCE[0]}"`/../.." && pwd)
+# store AMENT_CURRENT_PREFIX to restore it before each environment hook
+_package_local_setup_AMENT_CURRENT_PREFIX=$AMENT_CURRENT_PREFIX
+
+# trace output
+if [ -n "$AMENT_TRACE_SETUP_FILES" ]; then
+  echo "# . \"$_this_path/local_setup.sh\""
+fi
+. "$_this_path/local_setup.sh"
+unset _this_path
+
+# unset AMENT_ENVIRONMENT_HOOKS
+# if not appending to them for return
+if [ -z "$AMENT_RETURN_ENVIRONMENT_HOOKS" ]; then
+  unset AMENT_ENVIRONMENT_HOOKS
+fi
+
+# restore AMENT_CURRENT_PREFIX before evaluating the environment hooks
+AMENT_CURRENT_PREFIX=$_package_local_setup_AMENT_CURRENT_PREFIX
+# list all environment hooks of this package
+
+# source all shell-specific environment hooks of this package
+# if not returning them
+if [ -z "$AMENT_RETURN_ENVIRONMENT_HOOKS" ]; then
+  _package_local_setup_IFS=$IFS
+  IFS=":"
+  for _hook in $AMENT_ENVIRONMENT_HOOKS; do
+    # restore AMENT_CURRENT_PREFIX for each environment hook
+    AMENT_CURRENT_PREFIX=$_package_local_setup_AMENT_CURRENT_PREFIX
+    # restore IFS before sourcing other files
+    IFS=$_package_local_setup_IFS
+    . "$_hook"
+  done
+  unset _hook
+  IFS=$_package_local_setup_IFS
+  unset _package_local_setup_IFS
+  unset AMENT_ENVIRONMENT_HOOKS
+fi
+
+unset _package_local_setup_AMENT_CURRENT_PREFIX
+unset AMENT_CURRENT_PREFIX

install/gc_navigation_fish/share/gc_navigation_fish/local_setup.dsv

@@ -0,0 +1,2 @@
+source;share/gc_navigation_fish/environment/ament_prefix_path.sh
+source;share/gc_navigation_fish/environment/path.sh

install/gc_navigation_fish/share/gc_navigation_fish/local_setup.sh

@@ -0,0 +1,184 @@
+# generated from ament_package/template/package_level/local_setup.sh.in
+
+# since this file is sourced use either the provided AMENT_CURRENT_PREFIX
+# or fall back to the destination set at configure time
+: ${AMENT_CURRENT_PREFIX:="/home/guoch/test_ws/install/gc_navigation_fish"}
+if [ ! -d "$AMENT_CURRENT_PREFIX" ]; then
+  if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+    echo "The compile time prefix path '$AMENT_CURRENT_PREFIX' doesn't " \
+      "exist. Consider sourcing a different extension than '.sh'." 1>&2
+  else
+    AMENT_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
+  fi
+fi
+
+# function to append values to environment variables
+# using colons as separators and avoiding leading separators
+ament_append_value() {
+  # arguments
+  _listname="$1"
+  _value="$2"
+  #echo "listname $_listname"
+  #eval echo "list value \$$_listname"
+  #echo "value $_value"
+
+  # avoid leading separator
+  eval _values=\"\$$_listname\"
+  if [ -z "$_values" ]; then
+    eval export $_listname=\"$_value\"
+    #eval echo "set list \$$_listname"
+  else
+    # field separator must not be a colon
+    _ament_append_value_IFS=$IFS
+    unset IFS
+    eval export $_listname=\"\$$_listname:$_value\"
+    #eval echo "append list \$$_listname"
+    IFS=$_ament_append_value_IFS
+    unset _ament_append_value_IFS
+  fi
+  unset _values
+
+  unset _value
+  unset _listname
+}
+
+# function to append non-duplicate values to environment variables
+# using colons as separators and avoiding leading separators
+ament_append_unique_value() {
+  # arguments
+  _listname=$1
+  _value=$2
+  #echo "listname $_listname"
+  #eval echo "list value \$$_listname"
+  #echo "value $_value"
+
+  # check if the list contains the value
+  eval _values=\$$_listname
+  _duplicate=
+  _ament_append_unique_value_IFS=$IFS
+  IFS=":"
+  if [ "$AMENT_SHELL" = "zsh" ]; then
+    ament_zsh_to_array _values
+  fi
+  for _item in $_values; do
+    # ignore empty strings
+    if [ -z "$_item" ]; then
+      continue
+    fi
+    if [ $_item = $_value ]; then
+      _duplicate=1
+    fi
+  done
+  unset _item
+
+  # append only non-duplicates
+  if [ -z "$_duplicate" ]; then
+    # avoid leading separator
+    if [ -z "$_values" ]; then
+      eval $_listname=\"$_value\"
+      #eval echo "set list \$$_listname"
+    else
+      # field separator must not be a colon
+      unset IFS
+      eval $_listname=\"\$$_listname:$_value\"
+      #eval echo "append list \$$_listname"
+    fi
+  fi
+  IFS=$_ament_append_unique_value_IFS
+  unset _ament_append_unique_value_IFS
+  unset _duplicate
+  unset _values
+
+  unset _value
+  unset _listname
+}
+
+# function to prepend non-duplicate values to environment variables
+# using colons as separators and avoiding trailing separators
+ament_prepend_unique_value() {
+  # arguments
+  _listname="$1"
+  _value="$2"
+  #echo "listname $_listname"
+  #eval echo "list value \$$_listname"
+  #echo "value $_value"
+
+  # check if the list contains the value
+  eval _values=\"\$$_listname\"
+  _duplicate=
+  _ament_prepend_unique_value_IFS=$IFS
+  IFS=":"
+  if [ "$AMENT_SHELL" = "zsh" ]; then
+    ament_zsh_to_array _values
+  fi
+  for _item in $_values; do
+    # ignore empty strings
+    if [ -z "$_item" ]; then
+      continue
+    fi
+    if [ "$_item" = "$_value" ]; then
+      _duplicate=1
+    fi
+  done
+  unset _item
+
+  # prepend only non-duplicates
+  if [ -z "$_duplicate" ]; then
+    # avoid trailing separator
+    if [ -z "$_values" ]; then
+      eval export $_listname=\"$_value\"
+      #eval echo "set list \$$_listname"
+    else
+      # field separator must not be a colon
+      unset IFS
+      eval export $_listname=\"$_value:\$$_listname\"
+      #eval echo "prepend list \$$_listname"
+    fi
+  fi
+  IFS=$_ament_prepend_unique_value_IFS
+  unset _ament_prepend_unique_value_IFS
+  unset _duplicate
+  unset _values
+
+  unset _value
+  unset _listname
+}
+
+# unset AMENT_ENVIRONMENT_HOOKS
+# if not appending to them for return
+if [ -z "$AMENT_RETURN_ENVIRONMENT_HOOKS" ]; then
+  unset AMENT_ENVIRONMENT_HOOKS
+fi
+
+# list all environment hooks of this package
+ament_append_value AMENT_ENVIRONMENT_HOOKS "$AMENT_CURRENT_PREFIX/share/gc_navigation_fish/environment/ament_prefix_path.sh"
+ament_append_value AMENT_ENVIRONMENT_HOOKS "$AMENT_CURRENT_PREFIX/share/gc_navigation_fish/environment/path.sh"
+
+# source all shell-specific environment hooks of this package
+# if not returning them
+if [ -z "$AMENT_RETURN_ENVIRONMENT_HOOKS" ]; then
+  _package_local_setup_IFS=$IFS
+  IFS=":"
+  if [ "$AMENT_SHELL" = "zsh" ]; then
+    ament_zsh_to_array AMENT_ENVIRONMENT_HOOKS
+  fi
+  for _hook in $AMENT_ENVIRONMENT_HOOKS; do
+    if [ -f "$_hook" ]; then
+      # restore IFS before sourcing other files
+      IFS=$_package_local_setup_IFS
+      # trace output
+      if [ -n "$AMENT_TRACE_SETUP_FILES" ]; then
+        echo "# . \"$_hook\""
+      fi
+      . "$_hook"
+    fi
+  done
+  unset _hook
+  IFS=$_package_local_setup_IFS
+  unset _package_local_setup_IFS
+  unset AMENT_ENVIRONMENT_HOOKS
+fi
+
+# reset AMENT_CURRENT_PREFIX after each package
+# allowing to source multiple package-level setup files
+unset AMENT_CURRENT_PREFIX

install/gc_navigation_fish/share/gc_navigation_fish/local_setup.zsh

@@ -0,0 +1,59 @@
+# generated from ament_package/template/package_level/local_setup.zsh.in
+
+AMENT_SHELL=zsh
+
+# source local_setup.sh from same directory as this file
+_this_path=$(builtin cd -q "`dirname "${(%):-%N}"`" > /dev/null && pwd)
+# provide AMENT_CURRENT_PREFIX to shell script
+AMENT_CURRENT_PREFIX=$(builtin cd -q "`dirname "${(%):-%N}"`/../.." > /dev/null && pwd)
+# store AMENT_CURRENT_PREFIX to restore it before each environment hook
+_package_local_setup_AMENT_CURRENT_PREFIX=$AMENT_CURRENT_PREFIX
+
+# function to convert array-like strings into arrays
+# to wordaround SH_WORD_SPLIT not being set
+ament_zsh_to_array() {
+  local _listname=$1
+  local _dollar="$"
+  local _split="{="
+  local _to_array="(\"$_dollar$_split$_listname}\")"
+  eval $_listname=$_to_array
+}
+
+# trace output
+if [ -n "$AMENT_TRACE_SETUP_FILES" ]; then
+  echo "# . \"$_this_path/local_setup.sh\""
+fi
+# the package-level local_setup file unsets AMENT_CURRENT_PREFIX
+. "$_this_path/local_setup.sh"
+unset _this_path
+
+# unset AMENT_ENVIRONMENT_HOOKS
+# if not appending to them for return
+if [ -z "$AMENT_RETURN_ENVIRONMENT_HOOKS" ]; then
+  unset AMENT_ENVIRONMENT_HOOKS
+fi
+
+# restore AMENT_CURRENT_PREFIX before evaluating the environment hooks
+AMENT_CURRENT_PREFIX=$_package_local_setup_AMENT_CURRENT_PREFIX
+# list all environment hooks of this package
+
+# source all shell-specific environment hooks of this package
+# if not returning them
+if [ -z "$AMENT_RETURN_ENVIRONMENT_HOOKS" ]; then
+  _package_local_setup_IFS=$IFS
+  IFS=":"
+  for _hook in $AMENT_ENVIRONMENT_HOOKS; do
+    # restore AMENT_CURRENT_PREFIX for each environment hook
+    AMENT_CURRENT_PREFIX=$_package_local_setup_AMENT_CURRENT_PREFIX
+    # restore IFS before sourcing other files
+    IFS=$_package_local_setup_IFS
+    . "$_hook"
+  done
+  unset _hook
+  IFS=$_package_local_setup_IFS
+  unset _package_local_setup_IFS
+  unset AMENT_ENVIRONMENT_HOOKS
+fi
+
+unset _package_local_setup_AMENT_CURRENT_PREFIX
+unset AMENT_CURRENT_PREFIX

install/gc_navigation_fish/share/gc_navigation_fish/maps/gc_map.yaml

@@ -0,0 +1,7 @@
+image: gc_map.pgm
+mode: trinary
+resolution: 0.05
+origin: [-3.19, -2.97, 0]
+negate: 0
+occupied_thresh: 0.65
+free_thresh: 0.25

install/gc_navigation_fish/share/gc_navigation_fish/maps/my_map.yaml

@@ -0,0 +1,7 @@
+image: map_1770592084.pgm
+mode: trinary
+resolution: 0.05
+origin: [-2.15, -5.81, 0]
+negate: 0
+occupied_thresh: 0.65
+free_thresh: 0.25

install/gc_navigation_fish/share/gc_navigation_fish/maps/test_map.yaml

@@ -0,0 +1,7 @@
+image: test_map.pgm
+mode: trinary
+resolution: 0.05
+origin: [-2.03, -6.12, 0]
+negate: 0
+occupied_thresh: 0.65
+free_thresh: 0.25

install/gc_navigation_fish/share/gc_navigation_fish/package.bash

@@ -0,0 +1,39 @@
+# generated from colcon_bash/shell/template/package.bash.em
+
+# This script extends the environment for this package.
+
+# a bash script is able to determine its own path if necessary
+if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+  # the prefix is two levels up from the package specific share directory
+  _colcon_package_bash_COLCON_CURRENT_PREFIX="$(builtin cd "`dirname "${BASH_SOURCE[0]}"`/../.." > /dev/null && pwd)"
+else
+  _colcon_package_bash_COLCON_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
+fi
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+# additional arguments: arguments to the script
+_colcon_package_bash_source_script() {
+  if [ -f "$1" ]; then
+    if [ -n "$COLCON_TRACE" ]; then
+      echo "# . \"$1\""
+    fi
+    . "$@"
+  else
+    echo "not found: \"$1\"" 1>&2
+  fi
+}
+
+# source sh script of this package
+_colcon_package_bash_source_script "$_colcon_package_bash_COLCON_CURRENT_PREFIX/share/gc_navigation_fish/package.sh"
+
+# setting COLCON_CURRENT_PREFIX avoids determining the prefix in the sourced scripts
+COLCON_CURRENT_PREFIX="$_colcon_package_bash_COLCON_CURRENT_PREFIX"
+
+# source bash hooks
+_colcon_package_bash_source_script "$COLCON_CURRENT_PREFIX/share/gc_navigation_fish/local_setup.bash"
+
+unset COLCON_CURRENT_PREFIX
+
+unset _colcon_package_bash_source_script
+unset _colcon_package_bash_COLCON_CURRENT_PREFIX

install/gc_navigation_fish/share/gc_navigation_fish/package.dsv

@@ -0,0 +1,8 @@
+source;share/gc_navigation_fish/hook/cmake_prefix_path.ps1
+source;share/gc_navigation_fish/hook/cmake_prefix_path.dsv
+source;share/gc_navigation_fish/hook/cmake_prefix_path.sh
+source;share/gc_navigation_fish/local_setup.bash
+source;share/gc_navigation_fish/local_setup.dsv
+source;share/gc_navigation_fish/local_setup.ps1
+source;share/gc_navigation_fish/local_setup.sh
+source;share/gc_navigation_fish/local_setup.zsh

install/gc_navigation_fish/share/gc_navigation_fish/package.ps1

@@ -0,0 +1,116 @@
+# generated from colcon_powershell/shell/template/package.ps1.em
+
+# function to append a value to a variable
+# which uses colons as separators
+# duplicates as well as leading separators are avoided
+# first argument: the name of the result variable
+# second argument: the value to be prepended
+function colcon_append_unique_value {
+  param (
+    $_listname,
+    $_value
+  )
+
+  # get values from variable
+  if (Test-Path Env:$_listname) {
+    $_values=(Get-Item env:$_listname).Value
+  } else {
+    $_values=""
+  }
+  $_duplicate=""
+  # start with no values
+  $_all_values=""
+  # iterate over existing values in the variable
+  if ($_values) {
+    $_values.Split(";") | ForEach {
+      # not an empty string
+      if ($_) {
+        # not a duplicate of _value
+        if ($_ -eq $_value) {
+          $_duplicate="1"
+        }
+        if ($_all_values) {
+          $_all_values="${_all_values};$_"
+        } else {
+          $_all_values="$_"
+        }
+      }
+    }
+  }
+  # append only non-duplicates
+  if (!$_duplicate) {
+    # avoid leading separator
+    if ($_all_values) {
+      $_all_values="${_all_values};${_value}"
+    } else {
+      $_all_values="${_value}"
+    }
+  }
+
+  # export the updated variable
+  Set-Item env:\$_listname -Value "$_all_values"
+}
+
+# function to prepend a value to a variable
+# which uses colons as separators
+# duplicates as well as trailing separators are avoided
+# first argument: the name of the result variable
+# second argument: the value to be prepended
+function colcon_prepend_unique_value {
+  param (
+    $_listname,
+    $_value
+  )
+
+  # get values from variable
+  if (Test-Path Env:$_listname) {
+    $_values=(Get-Item env:$_listname).Value
+  } else {
+    $_values=""
+  }
+  # start with the new value
+  $_all_values="$_value"
+  # iterate over existing values in the variable
+  if ($_values) {
+    $_values.Split(";") | ForEach {
+      # not an empty string
+      if ($_) {
+        # not a duplicate of _value
+        if ($_ -ne $_value) {
+          # keep non-duplicate values
+          $_all_values="${_all_values};$_"
+        }
+      }
+    }
+  }
+  # export the updated variable
+  Set-Item env:\$_listname -Value "$_all_values"
+}
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+# additional arguments: arguments to the script
+function colcon_package_source_powershell_script {
+  param (
+    $_colcon_package_source_powershell_script
+  )
+  # source script with conditional trace output
+  if (Test-Path $_colcon_package_source_powershell_script) {
+    if ($env:COLCON_TRACE) {
+      echo ". '$_colcon_package_source_powershell_script'"
+    }
+    . "$_colcon_package_source_powershell_script"
+  } else {
+    Write-Error "not found: '$_colcon_package_source_powershell_script'"
+  }
+}
+
+
+# a powershell script is able to determine its own path
+# the prefix is two levels up from the package specific share directory
+$env:COLCON_CURRENT_PREFIX=(Get-Item $PSCommandPath).Directory.Parent.Parent.FullName
+
+colcon_package_source_powershell_script "$env:COLCON_CURRENT_PREFIX\share/gc_navigation_fish/hook/cmake_prefix_path.ps1"
+colcon_package_source_powershell_script "$env:COLCON_CURRENT_PREFIX\share/gc_navigation_fish/local_setup.ps1"
+
+Remove-Item Env:\COLCON_CURRENT_PREFIX

install/gc_navigation_fish/share/gc_navigation_fish/package.sh

@@ -0,0 +1,87 @@
+# generated from colcon_core/shell/template/package.sh.em
+
+# This script extends the environment for this package.
+
+# function to prepend a value to a variable
+# which uses colons as separators
+# duplicates as well as trailing separators are avoided
+# first argument: the name of the result variable
+# second argument: the value to be prepended
+_colcon_prepend_unique_value() {
+  # arguments
+  _listname="$1"
+  _value="$2"
+
+  # get values from variable
+  eval _values=\"\$$_listname\"
+  # backup the field separator
+  _colcon_prepend_unique_value_IFS=$IFS
+  IFS=":"
+  # start with the new value
+  _all_values="$_value"
+  # workaround SH_WORD_SPLIT not being set in zsh
+  if [ "$(command -v colcon_zsh_convert_to_array)" ]; then
+    colcon_zsh_convert_to_array _values
+  fi
+  # iterate over existing values in the variable
+  for _item in $_values; do
+    # ignore empty strings
+    if [ -z "$_item" ]; then
+      continue
+    fi
+    # ignore duplicates of _value
+    if [ "$_item" = "$_value" ]; then
+      continue
+    fi
+    # keep non-duplicate values
+    _all_values="$_all_values:$_item"
+  done
+  unset _item
+  # restore the field separator
+  IFS=$_colcon_prepend_unique_value_IFS
+  unset _colcon_prepend_unique_value_IFS
+  # export the updated variable
+  eval export $_listname=\"$_all_values\"
+  unset _all_values
+  unset _values
+
+  unset _value
+  unset _listname
+}
+
+# since a plain shell script can't determine its own path when being sourced
+# either use the provided COLCON_CURRENT_PREFIX
+# or fall back to the build time prefix (if it exists)
+_colcon_package_sh_COLCON_CURRENT_PREFIX="/home/guoch/test_ws/install/gc_navigation_fish"
+if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+  if [ ! -d "$_colcon_package_sh_COLCON_CURRENT_PREFIX" ]; then
+    echo "The build time path \"$_colcon_package_sh_COLCON_CURRENT_PREFIX\" doesn't exist. Either source a script for a different shell or set the environment variable \"COLCON_CURRENT_PREFIX\" explicitly." 1>&2
+    unset _colcon_package_sh_COLCON_CURRENT_PREFIX
+    return 1
+  fi
+  COLCON_CURRENT_PREFIX="$_colcon_package_sh_COLCON_CURRENT_PREFIX"
+fi
+unset _colcon_package_sh_COLCON_CURRENT_PREFIX
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+# additional arguments: arguments to the script
+_colcon_package_sh_source_script() {
+  if [ -f "$1" ]; then
+    if [ -n "$COLCON_TRACE" ]; then
+      echo "# . \"$1\""
+    fi
+    . "$@"
+  else
+    echo "not found: \"$1\"" 1>&2
+  fi
+}
+
+# source sh hooks
+_colcon_package_sh_source_script "$COLCON_CURRENT_PREFIX/share/gc_navigation_fish/hook/cmake_prefix_path.sh"
+_colcon_package_sh_source_script "$COLCON_CURRENT_PREFIX/share/gc_navigation_fish/local_setup.sh"
+
+unset _colcon_package_sh_source_script
+unset COLCON_CURRENT_PREFIX
+
+# do not unset _colcon_prepend_unique_value since it might be used by non-primary shell hooks

install/gc_navigation_fish/share/gc_navigation_fish/package.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
+<package format="3">
+  <name>gc_navigation_fish</name>
+  <version>0.0.0</version>
+  <description>TODO: Package description</description>
+  <maintainer email="guoch@todo.todo">guoch</maintainer>
+  <license>TODO: License declaration</license>
+
+  <buildtool_depend>ament_cmake</buildtool_depend>
+
+  <test_depend>ament_lint_auto</test_depend>
+  <test_depend>ament_lint_common</test_depend>
+  <exec_depend>nav2_bringup</exec_depend>
+  <export>
+    <build_type>ament_cmake</build_type>
+  </export>
+</package>

install/gc_navigation_fish/share/gc_navigation_fish/package.zsh

@@ -0,0 +1,50 @@
+# generated from colcon_zsh/shell/template/package.zsh.em
+
+# This script extends the environment for this package.
+
+# a zsh script is able to determine its own path if necessary
+if [ -z "$COLCON_CURRENT_PREFIX" ]; then
+  # the prefix is two levels up from the package specific share directory
+  _colcon_package_zsh_COLCON_CURRENT_PREFIX="$(builtin cd -q "`dirname "${(%):-%N}"`/../.." > /dev/null && pwd)"
+else
+  _colcon_package_zsh_COLCON_CURRENT_PREFIX="$COLCON_CURRENT_PREFIX"
+fi
+
+# function to source another script with conditional trace output
+# first argument: the path of the script
+# additional arguments: arguments to the script
+_colcon_package_zsh_source_script() {
+  if [ -f "$1" ]; then
+    if [ -n "$COLCON_TRACE" ]; then
+      echo "# . \"$1\""
+    fi
+    . "$@"
+  else
+    echo "not found: \"$1\"" 1>&2
+  fi
+}
+
+# function to convert array-like strings into arrays
+# to workaround SH_WORD_SPLIT not being set
+colcon_zsh_convert_to_array() {
+  local _listname=$1
+  local _dollar="$"
+  local _split="{="
+  local _to_array="(\"$_dollar$_split$_listname}\")"
+  eval $_listname=$_to_array
+}
+
+# source sh script of this package
+_colcon_package_zsh_source_script "$_colcon_package_zsh_COLCON_CURRENT_PREFIX/share/gc_navigation_fish/package.sh"
+unset convert_zsh_to_array
+
+# setting COLCON_CURRENT_PREFIX avoids determining the prefix in the sourced scripts
+COLCON_CURRENT_PREFIX="$_colcon_package_zsh_COLCON_CURRENT_PREFIX"
+
+# source zsh hooks
+_colcon_package_zsh_source_script "$COLCON_CURRENT_PREFIX/share/gc_navigation_fish/local_setup.zsh"
+
+unset COLCON_CURRENT_PREFIX
+
+unset _colcon_package_zsh_source_script
+unset _colcon_package_zsh_COLCON_CURRENT_PREFIX

install/gc_navigation_fish/share/gc_navigation_fish/param/gc_navigation.yaml

@@ -0,0 +1,408 @@
+# amcl:
+#   ros__parameters:
+#     use_sim_time: True
+#     alpha1: 0.2
+#     alpha2: 0.2
+#     alpha3: 0.2
+#     alpha4: 0.2
+#     alpha5: 0.2
+#     base_frame_id: "base_link"
+#     beam_skip_distance: 0.5
+#     beam_skip_error_threshold: 0.9
+#     beam_skip_threshold: 0.3
+#     do_beamskip: false
+#     global_frame_id: "map"
+#     lambda_short: 0.1
+#     laser_likelihood_max_dist: 2.0
+#     laser_max_range: 100.0
+#     laser_min_range: -1.0
+#     laser_model_type: "likelihood_field"
+#     max_beams: 60
+#     max_particles: 2000
+#     min_particles: 500
+#     odom_frame_id: "odom"
+#     pf_err: 0.05
+#     pf_z: 0.99
+#     recovery_alpha_fast: 0.0
+#     recovery_alpha_slow: 0.0
+#     resample_interval: 1
+#     robot_model_type: "nav2_amcl::DifferentialMotionModel"
+#     save_pose_rate: 0.5
+#     sigma_hit: 0.2
+#     tf_broadcast: true
+#     transform_tolerance: 10.0
+#     update_min_a: 0.2
+#     update_min_d: 0.25
+#     z_hit: 0.5
+#     z_max: 0.05
+#     z_rand: 0.5
+#     z_short: 0.05
+#     scan_topic: scan
+
+# amcl_map_client:
+#   ros__parameters:
+#     use_sim_time: True
+
+# amcl_rclcpp_node:
+#   ros__parameters:
+#     use_sim_time: True
+
+bt_navigator:
+  ros__parameters:
+    use_sim_time: True
+    global_frame: map
+    robot_base_frame: base_link
+    odom_topic: /odom
+    bt_loop_duration: 10
+    default_server_timeout: 20
+    # 'default_nav_through_poses_bt_xml' and 'default_nav_to_pose_bt_xml' are use defaults:
+    # nav2_bt_navigator/navigate_to_pose_w_replanning_and_recovery.xml
+    # nav2_bt_navigator/navigate_through_poses_w_replanning_and_recovery.xml
+    # They can be set here or via a RewrittenYaml remap from a parent launch file to Nav2.
+    plugin_lib_names:
+      - nav2_compute_path_to_pose_action_bt_node
+      - nav2_compute_path_through_poses_action_bt_node
+      - nav2_smooth_path_action_bt_node
+      - nav2_follow_path_action_bt_node
+      - nav2_spin_action_bt_node
+      - nav2_wait_action_bt_node
+      - nav2_back_up_action_bt_node
+      - nav2_drive_on_heading_bt_node
+      - nav2_clear_costmap_service_bt_node
+      - nav2_is_stuck_condition_bt_node
+      - nav2_goal_reached_condition_bt_node
+      - nav2_goal_updated_condition_bt_node
+      - nav2_globally_updated_goal_condition_bt_node
+      - nav2_is_path_valid_condition_bt_node
+      - nav2_initial_pose_received_condition_bt_node
+      - nav2_reinitialize_global_localization_service_bt_node
+      - nav2_rate_controller_bt_node
+      - nav2_distance_controller_bt_node
+      - nav2_speed_controller_bt_node
+      - nav2_truncate_path_action_bt_node
+      - nav2_truncate_path_local_action_bt_node
+      - nav2_goal_updater_node_bt_node
+      - nav2_recovery_node_bt_node
+      - nav2_pipeline_sequence_bt_node
+      - nav2_round_robin_node_bt_node
+      - nav2_transform_available_condition_bt_node
+      - nav2_time_expired_condition_bt_node
+      - nav2_path_expiring_timer_condition
+      - nav2_distance_traveled_condition_bt_node
+      - nav2_single_trigger_bt_node
+      - nav2_is_battery_low_condition_bt_node
+      - nav2_navigate_through_poses_action_bt_node
+      - nav2_navigate_to_pose_action_bt_node
+      - nav2_remove_passed_goals_action_bt_node
+      - nav2_planner_selector_bt_node
+      - nav2_controller_selector_bt_node
+      - nav2_goal_checker_selector_bt_node
+      - nav2_controller_cancel_bt_node
+      - nav2_path_longer_on_approach_bt_node
+      - nav2_wait_cancel_bt_node
+      - nav2_spin_cancel_bt_node
+      - nav2_back_up_cancel_bt_node
+      - nav2_drive_on_heading_cancel_bt_node
+
+bt_navigator_rclcpp_node:
+  ros__parameters:
+    use_sim_time: True
+
+controller_server:
+  ros__parameters:
+    controller_frequency: 30.0
+    FollowPath:
+      plugin: "nav2_mppi_controller::MPPIController"
+      time_steps: 56
+      model_dt: 0.05
+      batch_size: 2000
+      vx_std: 0.2
+      vy_std: 0.0
+      wz_std: 0.4
+      vx_max: 0.5
+      vx_min: -0.35
+      vy_max: 0.0
+      wz_max: 1.9
+      iteration_count: 1
+      temperature: 0.3
+      gamma: 0.015
+      motion_model: "Ackermann"
+      visualize: false
+      TrajectoryVisualizer:
+        trajectory_step: 5
+        time_step: 3
+      AckermannConstraints:
+        min_turning_r: 0.4
+      critics: ["ConstraintCritic", "CostCritic", "GoalCritic", "GoalAngleCritic", "PathAlignCritic", "PathFollowCritic", "PathAngleCritic", "PreferForwardCritic"]
+      ConstraintCritic:
+        enabled: true
+        cost_power: 1
+        cost_weight: 4.0
+      GoalCritic:
+        enabled: true
+        cost_power: 1
+        cost_weight: 5.0
+        threshold_to_consider: 1.4
+      GoalAngleCritic:
+        enabled: true
+        cost_power: 1
+        cost_weight: 3.0
+        threshold_to_consider: 0.5
+      PreferForwardCritic:
+        enabled: true
+        cost_power: 1
+        cost_weight: 5.0
+        threshold_to_consider: 0.5
+      # Option to replace Cost and use Obstacles instead
+      # ObstaclesCritic:
+      #   enabled: true
+      #   cost_power: 1
+      #   repulsion_weight: 1.5
+      #   critical_weight: 20.0
+      #   consider_footprint: false
+      #   collision_cost: 10000.0
+      #   collision_margin_distance: 0.1
+      #   near_goal_distance: 0.5
+      CostCritic:
+        enabled: true
+        cost_power: 1
+        cost_weight: 3.81
+        critical_cost: 300.0
+        consider_footprint: true
+        collision_cost: 1000000.0
+        near_goal_distance: 1.0
+        trajectory_point_step: 2
+      PathAlignCritic:
+        enabled: true
+        cost_power: 1
+        cost_weight: 14.0
+        max_path_occupancy_ratio: 0.05
+        trajectory_point_step: 4
+        threshold_to_consider: 0.5
+        offset_from_furthest: 20
+        use_path_orientations: false
+      PathFollowCritic:
+        enabled: true
+        cost_power: 1
+        cost_weight: 5.0
+        offset_from_furthest: 5
+        threshold_to_consider: 1.4
+      PathAngleCritic:
+        enabled: true
+        cost_power: 1
+        cost_weight: 2.0
+        offset_from_furthest: 4
+        threshold_to_consider: 0.5
+        max_angle_to_furthest: 1.0
+        forward_preference: true
+      # VelocityDeadbandCritic:
+      #   enabled: true
+      #   cost_power: 1
+      #   cost_weight: 35.0
+      #   deadband_velocities: [0.05, 0.05, 0.05]
+      # TwirlingCritic:
+      #   enabled: true
+      #   twirling_cost_power: 1
+      #   twirling_cost_weight: 10.0
+
+controller_server_rclcpp_node:
+  ros__parameters:
+    use_sim_time: True
+
+local_costmap:
+  local_costmap:
+    ros__parameters:
+      update_frequency: 5.0
+      publish_frequency: 2.0
+      global_frame: odom
+      robot_base_frame: base_link
+      use_sim_time: True
+      rolling_window: true
+      width: 3
+      height: 3
+      resolution: 0.05
+      footprint: "[[0.14, 0.085],
+        [0.14, -0.085],
+        [-0.14, -0.085],
+        [-0.14, 0.085]]"
+      footprint_padding: 0.02
+      plugins: ["voxel_layer", "inflation_layer"]
+      inflation_layer:
+        plugin: "nav2_costmap_2d::InflationLayer"
+        cost_scaling_factor: 3.0
+        inflation_radius: 0.55
+      voxel_layer:
+        plugin: "nav2_costmap_2d::VoxelLayer"
+        enabled: True
+        publish_voxel_map: True
+        origin_z: 0.0
+        z_resolution: 0.05
+        z_voxels: 16
+        max_obstacle_height: 2.0
+        mark_threshold: 0
+        observation_sources: scan
+        scan:
+          topic: /scan
+          max_obstacle_height: 2.0
+          clearing: True
+          marking: True
+          data_type: "LaserScan"
+          raytrace_max_range: 3.0
+          raytrace_min_range: 0.0
+          obstacle_max_range: 2.5
+          obstacle_min_range: 0.0
+      static_layer:
+        map_subscribe_transient_local: True
+      always_send_full_costmap: True
+  local_costmap_client:
+    ros__parameters:
+      use_sim_time: True
+  local_costmap_rclcpp_node:
+    ros__parameters:
+      use_sim_time: True
+
+global_costmap:
+  global_costmap:
+    ros__parameters:
+      update_frequency: 1.0
+      publish_frequency: 1.0
+      global_frame: map
+      robot_base_frame: base_link
+      use_sim_time: True
+      footprint: "[[0.14, 0.085],
+        [0.14, -0.085],
+        [-0.14, -0.085],
+        [-0.14, 0.085]]"
+      footprint_padding: 0.02
+      resolution: 0.05
+      track_unknown_space: true
+      plugins: ["static_layer", "obstacle_layer", "inflation_layer"]
+      obstacle_layer:
+        plugin: "nav2_costmap_2d::ObstacleLayer"
+        enabled: True
+        observation_sources: scan
+        scan:
+          topic: /scan
+          max_obstacle_height: 2.0
+          clearing: True
+          marking: True
+          data_type: "LaserScan"
+          raytrace_max_range: 3.0
+          raytrace_min_range: 0.0
+          obstacle_max_range: 2.5
+          obstacle_min_range: 0.0
+      static_layer:
+        plugin: "nav2_costmap_2d::StaticLayer"
+        map_subscribe_transient_local: True
+      inflation_layer:
+        plugin: "nav2_costmap_2d::InflationLayer"
+        cost_scaling_factor: 3.0
+        inflation_radius: 0.55
+      always_send_full_costmap: True
+  global_costmap_client:
+    ros__parameters:
+      use_sim_time: True
+  global_costmap_rclcpp_node:
+    ros__parameters:
+      use_sim_time: True
+
+map_server:
+  ros__parameters:
+    use_sim_time: True
+    yaml_filename: "turtlebot3_world.yaml"
+
+map_saver:
+  ros__parameters:
+    use_sim_time: True
+    save_map_timeout: 5.0
+    free_thresh_default: 0.25
+    occupied_thresh_default: 0.65
+    map_subscribe_transient_local: True
+
+planner_server:
+  ros__parameters:
+    planner_plugins: ["GridBased"]
+    use_sim_time: True
+
+    GridBased:
+      plugin: "nav2_smac_planner/SmacPlannerHybrid"
+      downsample_costmap: false # whether or not to downsample the map
+      downsampling_factor: 1 # multiplier for the resolution of the costmap layer (e.g. 2 on a 5cm costmap would be 10cm)
+      tolerance: 0.25 # dist-to-goal heuristic cost (distance) for valid tolerance endpoints if exact goal cannot be found.
+      allow_unknown: true # allow traveling in unknown space
+      max_iterations: 1000000 # maximum total iterations to search for before failing (in case unreachable), set to -1 to disable
+      max_on_approach_iterations: 1000 # Maximum number of iterations after within tolerances to continue to try to find exact solution
+      max_planning_time: 5.0 # max time in s for planner to plan, smooth
+      motion_model_for_search: "REEDS_SHEPP" # or REEDS_SHEPP  可以倒车
+      angle_quantization_bins: 72 # Number of angle bins for search
+      analytic_expansion_ratio: 3.5 # The ratio to attempt analytic expansions during search for final approach.
+      analytic_expansion_max_length: 3.0 # For Hybrid/Lattice nodes: The maximum length of the analytic expansion to be considered valid to prevent unsafe shortcutting
+      minimum_turning_radius: 0.40 # minimum turning radius in m of path / vehicle
+      reverse_penalty: 2.0 # Penalty to apply if motion is reversing, must be => 1
+      change_penalty: 0.0 # Penalty to apply if motion is changing directions (L to R), must be >= 0
+      non_straight_penalty: 1.2 # Penalty to apply if motion is non-straight, must be => 1
+      cost_penalty: 2.0 # Penalty to apply to higher cost areas when adding into the obstacle map dynamic programming distance expansion heuristic. This drives the robot more towards the center of passages. A value between 1.3 - 3.5 is reasonable.
+      retrospective_penalty: 0.015
+      lookup_table_size: 20.0 # Size of the dubin/reeds-sheep distance window to cache, in meters.
+      cache_obstacle_heuristic: false # Cache the obstacle map dynamic programming distance expansion heuristic between subsiquent replannings of the same goal location. Dramatically speeds up replanning performance (40x) if costmap is largely static.
+      viz_expansions: false # For Hybrid nodes: Whether to publish expansions on the /expansions topic as an array of poses (the orientation has no meaning). WARNING: heavy to compute and to display, for debug only as it degrades the performance.
+      smooth_path: True # If true, does a simple and quick smoothing post-processing to the path
+
+      smoother:
+        max_iterations: 1000
+        w_smooth: 0.3
+        w_data: 0.2
+        tolerance: 1.0e-10
+        do_refinement: true
+        refinement_num: 2
+
+planner_server_rclcpp_node:
+  ros__parameters:
+    use_sim_time: True
+
+smoother_server:
+  ros__parameters:
+    use_sim_time: True
+    smoother_plugins: ["simple_smoother"]
+    simple_smoother:
+      plugin: "nav2_smoother::SimpleSmoother"
+      tolerance: 1.0e-10
+      max_its: 1000
+      do_refinement: True
+
+behavior_server:
+  ros__parameters:
+    costmap_topic: local_costmap/costmap_raw
+    footprint_topic: local_costmap/published_footprint
+    cycle_frequency: 10.0
+    behavior_plugins: ["spin", "backup", "drive_on_heading", "wait"]
+    spin:
+      plugin: "nav2_behaviors/Spin"
+    backup:
+      plugin: "nav2_behaviors/BackUp"
+    drive_on_heading:
+      plugin: "nav2_behaviors/DriveOnHeading"
+    wait:
+      plugin: "nav2_behaviors/Wait"
+    global_frame: odom
+    robot_base_frame: base_link
+    transform_tolerance: 0.1
+    use_sim_time: True
+    simulate_ahead_time: 2.0
+    max_rotational_vel: 1.0
+    min_rotational_vel: 0.4
+    rotational_acc_lim: 3.2
+
+robot_state_publisher:
+  ros__parameters:
+    use_sim_time: True
+
+waypoint_follower:
+  ros__parameters:
+    loop_rate: 20
+    stop_on_failure: false
+    waypoint_task_executor_plugin: "wait_at_waypoint"
+    wait_at_waypoint:
+      plugin: "nav2_waypoint_follower::WaitAtWaypoint"
+      enabled: True
+      waypoint_pause_duration: 200