Saturday, 24 November 2012

Railfreight analysis

A slightly better quality video of my interface to my North American rail freight (MySQL) database described here. I have since changed the graphics and now use interactiveDateListPlot.

Note that the recording was made on a 7 year old 32 bit computer (running Mathematica V8) and some of the operations shown were slowed down by having to run the recording.

Best viewed in full screen mode.

Wednesday, 7 November 2012

Dynamic Grids

I've been developing some grids that have some dynamic features that make them more useful than static grids. In the video below you will see a grid that behaves similarly to an Excel spreadsheet with frozen panes. The main difference is the use of openers to nest line item categories. In the video I have replaced actual data with random line item names and random numbers. The actual usage is for each nested child category to add to its parents total. The parent totals are displayed and when you click on the openers the child line items are displayed.

Best viewed in full screen mode.