grp1 - TeamNullPointerException

Oskar Sonninen – 0326770 – LUT

Mikko Kaistinen – 0334791 – LUT

Anssi Salo – 0259245 – LUT

Idea

Idea is to creat (very) simple application that can mark your position on a map using GPS. In future you could sync other peoples position to your phone (Not implementing in this session).

gps_tracker.odp

grp1_maemo_presentation.pdf

Main idea; simple gps tracker which gives users position on the map.

Coding language Python

Should work on LUT campus area

Gives gps data to the workers on 8th building phase construction site

Workflow

15.00-18.00: Making development tools to work. Configuring development tools and phone to accept python.

18.00-00.00: Coding basic GPS functions.

00.00-03.00: uploading image file

03.00-08.00: zzZZzzz

08.00-10.30: implementing drawing primitives (dropped)

10.30-13.59: Implementing location warning and tweaking GPS coordinate conversion

13.59-14.00: Wrinting wiki and slides ;)

Implementation

Code was done using pymaemo (python designed for maemo that uses gtk for layout management). GPS coordinate conversion to distance was done using formula found from the web.

Features

Priorities: must be implemented (1), implemented if time (2)

Feature	Priority	Status
GUI	1	Done
GPS coordinates	1	Done
Map	1	Done
Converting GPS coordinates to metric format	1	Done
Warning of closing boss	1	Done
Making a marker to map based on coordinates	1	Dropped
User triggered manual refresh	2	Dropped
Reading other devices GPS coordinates	2	will not be implemented at on codecamp

Screenshots

Ultimate

Awesome map

Source code

gps.zip

Conclusion

● Maemo didn't have good python libraries to draw image layers.

● Layout was quite tricky to make (still not what we wanted).

● GPS was hard to debug because connetions to satellites can't be made inside. Maemo Xephyr couldn't emulate GPS easily.

● Scratchbox wasn't all too useful. It broke down once and Xephyr can't be rebooted without using command-line.

● Python hugely fastened development.