TechDraw WeldSymbol/ru

Описание
The WeldingSymbol tool adds welding specifications to an existing leader line.



Применение

 * 1) Select an existing leaderline.
 * 2) Press the  button.
 * 3) A task dialog will open. It allows to set individual welding symbols and accompanying text to be added to the leader line.
 * 4) To exit the dialog and save changes, press the OK button. To exit the dialog without saving, press the Cancel button.
 * 5) After the welding symbol is created, it can be edited by double clicking the Welding Symbol in the Tree.

Weld Symbol

 * : Shows the All Around symbol (circle) at the kink in the leader line.
 * : Show the Field Weld symbol (flag) at the kink in the leader line.
 * : Offsets the lower symbol to indicate alternating welds.
 * : Text to be shown at the end of the leader line.

Заголовок
Each individual symbol ("arrow side" and "other side") is represented by a "tile" object. A Welding Symbol has 1 or 2 tiles associated with it. Each of it has the following properties:
 * : The parent Weld Symbol
 * : Row of the tile. 0 means above the line, -1 below the line. Note: If you change the row of one tile, you must also change the tile for the second side! This way you can flip the sides.
 * : Column of the tile. At the moment it is always 0, therefore the property is not editable.
 * : Directory and file name of the symbol's SVG file.
 * : Directory and file name of the actual included symbol SVG file. (It is a temporary directory.)
 * : Text to be displayed to the left of the SVG symbol.
 * : Text to be displayed above/below the SVG symbol.
 * : Text to be displayed to the right of the SVG symbol.

Программирование
TechDraw API и Основы составления скриптов FreeCAD.

The WeldingSymbol tool can be used in macros and from the Python console by using the following functions:

Svg Symbol Tiles

 * Individual symbols are formed by 64x64 pixel SVG files. Additional symbols can be created in an SVG program like Inkscape using one of the symbols supplied by FreeCAD as template.


 * Individual symbols are formed by 64x64 (nominal) pixel SVG files. The tiles actually have a "border" of 4px. The border ensures that the leader line and symbol meet nicely.
 * The symbol is drawn in black on a transparent background. The stroke width is 0.5mm.
 * The leader passes below symbols for the arrow side and above symbols for the "other" side.
 * There is no particular naming standard other than to append "Up/Down" to the arrow/other side symbols.

Примечания

 * You can edit your WeldingSymbol by double clicking on it in the tree view. Double clicking in the graphics area is not yet supported.
 * There is a preference parameter for the default welding symbol directory. You can add your own symbols in a personal directory.