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# Navigation middleware
## Synopsis
This folder contains a navigation software based on Navit and compliant with the Navigation APIs standardized by the GENIVI Alliance. Some test scripts are available into the ../../test/navigation folder.
The GENIVI APIs are implemented by navit plugins, running on DBus.
##Tested targets
Desktop: Tested under Ubuntu 16.04 LTS 64 bits
Hardware: Code is running on the [Genivi Demo Platform](https://github.com/GENIVI/genivi-dev-platform) (Yocto based)
## Third parties software
Positioning from [https://github.com/GENIVI/positioning](https://github.com/GENIVI/positioning)
Navit from [https://github.com/navit-gps/navit/](https://github.com/navit-gps/navit/)
NB: Patches are applied to navit:
search_list_get_unique.diff features used by GetSpell
fsa_issue_padding.diff required to run on the GDP
NB: For displaying current versions used by the code type ./clone_and_build.sh in command line
The code is regularly aligned with the latest versions of the third parties software
## Prerequisites
Under Ubuntu, some packets are needed to be installed:
sudo apt-get install xsltproc libdbus-cpp-dev libdbus-c++-dev libglib2.0-dev gtk+-2.0 libglibmm-2.4-dev libxml++2.6-dev libgtk-3-dev libdbus-1-dev libsdl1.2-dev libsdl-image1.2-dev libsdl-ttf2.0-dev inkscape qt5-qmake qtbase5-dev-tools qtbase5-dev qttools5-dev-tools qtdeclarative5-dev
## How to build
### From scratch
A script allows to clone the third parties code (i.e. positioning and navit) and rebuild all
./clone_and_build.sh
### Build
A script allows either:
to clean and rebuild all (including invoking cmake)
./build.sh -c
or to build updated parts
./build.sh
## How to test
Some python scripts can be used for test.
Go to ../../test/navigation
For Python, you need to install some modules
sudo apt-get install python-pip python-dbus python-gobject python-pil
sudo pip install --upgrade pip
To test, launch the navigation middleware by entering:
./run -r
'bug safe' test files (can be launched several times):
./test-location-input.py -l location.xml
./test-route-calculation.py -r route.xml
'bug to be fixed' test files (can be launched only one time):
./test-guidance.py -r route.xml
./test-map-viewer-control.py
If everything is OK, you must see:
Test PASSED
##Directory Structure
map-viewer/
the plugins for the map rendering and manipulation (zoom, scroll..)
navigation-core/
the plugins for basic navigation features (location input, route calculation...)
poi-cam/
the plugins for poi content access module
patches/
some patches to complete the navit code
map/
the map
navit/
basic code of navit
positioning/
the code of positioning
## How to for the CommonAPI based version (draft)
The former version of the POCs is based on GLib DBus. A migration to CommonAPI is under progress.
###Prerequisites
You need CommonAPI 3.1.5 and Franca 0.9.1 installed
For the Ubuntu 64 bits, due to the use of symbol versioning LIBDBUS_1_0 by CommonAPI-DBus, the patched version of DBus has to be >= 1.10.0
NB: the patch common-api-dbus-runtime/src/dbus-patches/capi-dbus-add-support-for-custom-marshalling.patch failed a little bit, it's needed to update the dbus/dbus-string.h manually
### How to build
First it's required to set some paths:
```
export DBUS_LIB_PATH=<path to the patched version of the DBus lib>
export COMMONAPI_DBUS_TOOL_DIR=<path to the common-api-dbus-tools folder>
export COMMONAPI_TOOL_DIR=<path to the common-api-tools folder>
```
A script allows either:
to clean and rebuild all (including invoking cmake)
./build.sh -cm
or to build updated parts
./build.sh -m
NB: in case you didn't build the whole code yet, you can also invoke
./clone_and_build.sh -m
### How to test
Some python scripts can be used for test.
Go to ../../test/navigation
For Python, you need to install some modules (see explanations above)
To test, launch the navigation middleware by entering:
./run-capi -r
'bug safe' test files (can be launched several times):
./test-location-input-capi.py -l location.xml
./test-route-calculation-capi.py -r route.xml
'bug to be fixed' test files
./test-guidance_capi.py -r route.xml
./test-map-viewer-control-capi.py
If everything is OK, you must see:
Test PASSED
##Known issues
There's an issue with navit against gtk.
If the env variable NAVIT_GRAPHICS is not set, by default the graphics are gtk based.
- for gtk, navit checks for freetype. Because of a missing symbolic link, it's necessary to do ln -s /usr/include/freetype2/ /usr/include/freetype
- despite navit enables gtk_drawing, there's a pb during runtime (to be fixed)
So, for the time being, export NAVIT_GRAPHICS='sdl' is set into the run script
There's an issue with the svg to png library so inkscape is used. It seems to be necessary to do:
export NO_AT_BRIDGE=1
## License
Mozilla Public License Version 2.0
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