Summer of Code/Ideas

Ideas

Core Software

Print Support

Print support in Sugar would be useful in many scenarios. The ideal project deliverables would include

• Integration of a printing infrastructure (CUPS ??) into the XO-1 software images
• Modification of Sugar Control Panel to set up the printer (add/select default printer?)
• Modification of at least one activity (Write ?) to support printing

Integration of Espeak into Sugar

Integrate espeak engine with all activities, not just Speak, and provide for karaoke coloring. See Mokurai's article on adapting Same Language Subtitling for literacy to the XO.

twexter

twexter software formats twin text (twext) for language learners.. twexter can work with tools like moodle or scratch or wixi, etc.

Activities

Micropolis (SimCity)

I have a long list of interesting ways to develop Micropolis (aka SimCity), which I have written about on my blog!

The source code is on Google Code, and I've been working on finishing up all the grunt work that requires familiarity with the code and would be hard for other people to do, to enable other people to work on the higher level stuff that depends on that.

There are two Micropolis projects:

• The old "micropolis-activity" which is the original TCL/Tk version of SimCity for Unix, which I ported to Linux and adapted to the OLPC.

• The new "MicropolisCore" C++/SWIG/Python module that I've cleaned up and I have started developing a user interface.

It would be best to put effort into developing the new MicropolisCore code for the long term, although there are some small tasks that could be done with the old TCL/Tk code for the short term.

-Don Hopkins

GIS activity for XO

Engineers Without Borders, Timepedia, and International Symposium on Digital Earth want to work with OLPC to create community-based mapping data collection systems that will feed to global mapping and analysis projects, which will then feed back to the children and their communities. Environment, health, agriculture...

Enhancements for Measure

Feed generated data from simulations or the software synthesizer into the Measure activity.

Make activities programmable

More generally, support snap-together programming of XO activities in the manner that Turtle Art and Etoys provide internally.

Improve DrGeo

The DrGeo activity (interactive geometry) port need to be finished and improved in different areas.

Parts to be written

• implementation of the macro-construction system. It is a system to record a set of constructions as a function the user can save and use repeatably. See the original implementation.
• implementation of the script system. A script within DrGeo is code hooked to an interactive sketch, it is used to perform calculus. See the original implementation in Scheme. The script language will be Smalltalk based.

Parts to improve

• improve the load time, the load time is now unacceptable for the user and make DrGeo unadapted for the OLPC.
• define a journal type entry to save/load.
• improve the user interface, particularly the access to the construction tools.
• improve the locus sampling, it is by now suboptimal.

Other suggestions for improvements, see the DrGeo tracker.

Eclipse based development environment for Activities

An [Eclipse] plugin which would allow software developers to easily write Python based activities for Sugar. Some of the features can be

• Integration with an Xnest/Xephyr window which would run the activity being developed in Sugar
• Easily accessible developer documentation

Sugar Factory

Sugar Factory is an automated method for Sugarizing non-Python applications. Albert Cahalan has some of this working now.

Extending Gnash

Extend Gnash to read more data formats, in particular those at OLPC.tv, and Mary Lou Jepsen's presentation at the Greener Gadgets Conference. Integrate Supat's SSS code and move it upstream.