RubyToolsDatavyu

Useful Ruby scripts for the video coding software Datavyu.

Main developer: Julius Verrel (contributions indicated below and in scripts)

General things

The tools need to be adjusted.

Scripts that use tools provided here should define a global variable $rubyToolsDatavyuPath containing the path to these tools at the beginning, e.g.,

	$rubyToolsDatavyuPath = 'D:\Work\prog\Ruby\RubyToolsDatavyu'

Scripts can be called/included by the command (e.g.)

	load ($rubyToolsDatavyuPath + 'scriptName.rb')

Modules can be loaded by

	require ($rubyToolsDatavyuPath + 'moduleName.rb')

See examples for more details.

Tools

Debugging

Purpose: Debugging ruby scripts executed from Datavyu

Developer: Julius Verrel

Main scripts:

Sample usage:

How to debug your code

How to explore Datavyu's data structure

Auxiliary functions

Purpose: Module with auxiliary functions: methods for accessing information about project, spreadsheet, media, ...

Developer: Julius Verrel

Module name:

Sample usage:

Operating and file system

• access environment variables
• determine operating system

Project

Spreadsheet

• selected column
• selected cell
• making columns/variables visible
• making columns/variables invisible

Media

Requesting user input

Extracting video clips

Purpose: Extracting video clips defined by cells in a given spreadsheet column (variable)

Developers: Laura Mandt, Julius Verrel, Robin Nehls

Main script:

Sample usage: