General Operations

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General Tools

File Operations

The file operations are rather standard and similar to corresponding operations in other programs. Constructions are stored in a special file format. The construction files have the extension .cdy.

  • New: Opens a new and empty construction window.
  • Load: Loads a construction.
  • Save: Prompts for a filename if needed and saves the construction.
  • Save As: Prompts for a new filename and saves the construction.

Export Tools

  • Export to HTML: This operation automatically generates an interactive HTML page.
  • Print All Views: Prints all currently open views. This operation makes use of the Java printing routines. The output is inferior to the output produced using the "Print PDF" command of a view, due to the limits of the Java printing interface. If you have the facilities to print and preview PDF files, it is much better to use this print format.


  • Undo: This operation undoes the last performed action. You can undo as many consecutive operations as you want. The following actions are undoable:
    • Construction steps
    • Movements
    • Appearance changes
    • Zooming, translating, and rotating views
    • Deletion of elements
  • Redo: Redoes the last undo operation. You can redo as many consecutive undo operations as you want.
  • Delete: Deletes all selected elements and all elements that depend on them. If you delete elements by accident, just use "Undo" to restore them.

Selection Tools

  • Select All: Selects all geometric elements.
  • Select Points: Selects all points.
  • Select Lines: Selects all lines.
  • Select Conics: Selects all conics and circles.
  • Deselect: Clears the current selection.

Contributors to this page: Kortenkamp , Kohler , Richter and Kramer .
Page last modified on Wednesday 24 of August, 2011 [16:33:19 UTC] by Kortenkamp.

The content on this page is licensed under the terms of the License.

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