Added realsense info and developer computer instructions

docs/installation.md

@@ -110,15 +110,58 @@ restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap
 server 127.127.1.0
 fudge 127.127.1.0 stratum 10
 ```
-**6. Set up pioneer3 platform**
-
-Follow the instructions in [iri_pioneer3_bringup](https://gitlab.iri.upc.edu/labrobotica/ros/platforms/Pioneer3/iri_pioneer3_bringup).
 
 **7. Set up RoboSense communication**
 
 Follow the instructions in [iri_robosense_lidar_bringup](https://gitlab.iri.upc.edu/labrobotica/ros/sensors/ranger3d/iri_robosense_lidar_bringup).
 
-**8. RealSense**
-https://github.com/IntelRealSense/librealsense/blob/master/doc/distribution_linux.md#installing-the-packages
+**8. Set up RealSense**
+
+Follow the first three points of [realsense installing packages](https://github.com/IntelRealSense/librealsense/blob/master/doc/distribution_linux.md#installing-the-packages) and run 
+
+```bash
+realsense-viewer
+```
+to check that the camera is working and to update the camera firmware if necessary.
 
 # Development Computer
+## Description
+
+The system is an Ubuntu 18.04 with ROS Melodic and the necessary ros packages to simulate and communicate with the robot.
+
+## Instructions
+
+**1. Install Ubuntu 18.04, configure it and install ROS Melodic**
+
+Follow the step one and three (and two optionally) of the [embedded installation instructions](https://gitlab.iri.upc.edu/labrobotica/ros/robots/helena/iri_helena_how_to/-/blob/master/docs/installation.md#instructions).
+
+**2. Create the robot workspace and download and compile the necessary packages**
+
+```bash
+cd
+mkdir -p helena_ws/src
+mkdir -p helena_ws/rosinstall
+cd helena_ws/rosinstall
+wget -q https://gitlab.iri.upc.edu/labrobotica/ros/iri_ros_how_to/-/raw/master/rosinstall/iri_core.rosinstall
+wget -q https://gitlab.iri.upc.edu/labrobotica/ros/robots/helena/iri_helena_how_to/-/raw/master/rosinstalls/helena_common.rosinstall
+wget -q https://gitlab.iri.upc.edu/labrobotica/ros/robots/helena/iri_helena_how_to/-/raw/master/rosinstalls/helena_sim.rosinstall
+cd ../src
+wstool init
+wstool merge -y -r ../rosinstall/iri_core.rosinstall
+wstool merge -y -r ../rosinstall/helena_common.rosinstall
+wstool merge -y -r ../rosinstall/helena_sim.rosinstall
+wstool update -j 10
+rosdep install -q -y -i -r --from-paths .
+source /opt/ros/melodic/setup.bash
+cd ..
+catkin_make
+source ~/helena_ws/devel/setup.bash
+echo "source /opt/ros/melodic/setup.bash" >> source_helena.bash
+echo "source ~/helena_ws/devel/setup.bash" >> source_helena.bash
+```
+
+To change your ROS workspace layout run on each terminal:
+
+```bash
+source ~/helena_ws/source_helena.bash
+```