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Drawing a Tieup with the Mouse

The straight draw tool straight draw tool is usually the most useful in the tieup, especially if diagonals are emphasized, as in twill tieups.

Click and drag to expand the red rectangle along the line of the required diagonal, as described for drawing the threading (step A shown at left). The complete tieup is then built up from a series of diagonal strokes of the mouse, steps B, C and D, below. Many steps are required to go from step C to step D; not all of them are shown in this diagram - see if you can work out what's needed.

drawing a diagonal in the tieup
Unlike the threading, which strictly allows only one shaft per warp end, several shafts can be tied up to each treadle. The additional diagonal strokes in steps B or C add to the overlapping diagonals of earlier steps, rather than replacing them as would happen in the threading. steps B C D in drawing tieup
With the straight, point, line or freehand drawing tools (except network), the mouse may also be used to click single grid squares one by one. Double click or Option-single click turns a black square white. If the drawing stroke is initiated with a double click etc, you can draw a diagonal of white squares across a black area. If you have a two-button mouse, single right click can beu sed instead of double click or Option-click. Drawing white over black in the tieup
See also: Keyboard entry in tieup Next