add workflow, dockerfile, build and install scripts (#1)

.github/workflows/catkin_build.yml

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+name: catkin_build
+
+on: [push]
+
+defaults:
+  run:
+    shell: bash
+jobs:
+  catkin_build:
+    runs-on: ubuntu-18.04
+    container:
+      image: ros:melodic
+    steps:
+      - name: Install basic ROS requirements
+        run: |
+          apt-get update && \
+          apt-get install -y python-catkin-tools python-pip python3-pip && \
+          apt-get install -y python-rosdep python-rosinstall python-rosinstall-generator python-wstool build-essential python-catkin-tools
+
+      - uses: actions/checkout@v2
+        with:
+          path: catkin_ws/src/geographiclib_conversions
+
+      - name: Install geographiclib_conversions requirements
+        run: ./catkin_ws/src/geographiclib_conversions/scripts/install.sh
+
+      - name: catkin build
+        run: source /opt/ros/melodic/setup.bash && cd catkin_ws && catkin build

Dockerfile

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+ARG ROS_DISTRO=melodic
+
+FROM ros:$ROS_DISTRO
+LABEL description="geographiclib_conversions"
+SHELL ["/bin/bash", "-c"]
+WORKDIR /catkin_ws/src/geographiclib_conversions
+
+
+# 1. Install basic requirements
+RUN apt-get update                                                              &&  \
+    apt-get install -y  ros-$ROS_DISTRO-catkin                                      \
+                        python3-pip                                                 \
+                        python3-catkin-tools
+RUN if [[ "$ROS_DISTRO" = "melodic" ]] ; then apt-get install -y python-pip python-catkin-tools ; fi
+
+# 2. Copy repository
+COPY ./ ./
+
+# 3. Setup packages
+RUN ./scripts/install.sh
+
+# 4. Build ROS
+RUN source /opt/ros/$ROS_DISTRO/setup.bash && cd ../../ && catkin build
+
+CMD echo "main process has been started"                                        &&  \
+    source /opt/ros/$ROS_DISTRO/setup.bash                                      &&  \
+    source /catkin_ws/devel/setup.bash                                          &&  \
+    echo "container has been finished"

README.md

@@ -1,3 +1,9 @@
 # Wrapper library for Geographiclib
 
-Download `wmm2020` from [here](https://geographiclib.sourceforge.io/html/magnetic.html) and put them into corresponding folder or use it from `wmm2020` folder inside repository.
+[Geographiclib](https://geographiclib.sourceforge.io/) is a small set of C++ classes for performing conversions between geographic, UTM, UPS, MGRS, geocentric, and local cartesian coordinates, for gravity (e.g., EGM2008), geoid height, and geomagnetic field (e.g., WMM2020) calculations, and for solving geodesic problems.
+
+This repository is a ROS wrapper under this library.
+
+# Installation
+
+See [Dockerfile](Dockerfile) or [.github/workflows/catkin_build.yml](.github/workflows/catkin_build.yml) as an example of installation.

scripts/docker/build_image.sh

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+#!/bin/bash
+cd "$(dirname "$0")"
+
+sudo docker build ../..

scripts/install.sh

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+#!/bin/bash
+SCRIPT_FOLDER="$(dirname "$0")"
+PACKAGE_FOLDER=$SCRIPT_FOLDER/..
+WMM_FOLDER=$PACKAGE_FOLDER/wmm2020/magnetic
+
+mkdir -p /usr/local/share/GeographicLib/magnetic                                            &&  \
+    cp $WMM_FOLDER/wmm2020.wmm      /usr/local/share/GeographicLib/magnetic/wmm2020.wmm     &&  \
+    cp $WMM_FOLDER/wmm2020.wmm.cof  /usr/local/share/GeographicLib/magnetic/wmm2020.wmm.cof