The Shift values define the repeats in the direction perpendicular to the line.Pen up = length of gap in the line before the next segment of the line starts repeating (measured in the direction of the line) is always a minus value.Pen down = length of solid line measured in the direction of the line.Shift v (y) = offset distance of start of repeat line measured perpendicular to start of line.Shift u (x) = offset distance of start of repeat line measured parallel to start of line.
Origin y = vertical distance of start of line from setout point (always orthogonal).Origin x = horizontal distance of start of line from setout point (always orthogonal).Angle = angle of line from horizontal measured in an anti-clockwise direction.It also needs a type definition (Drafting or Model)Įach line repeat (in the pattern) is described in one line of text, with comma delimited format. *Octagons 1 x spaced, 1000mm spaced and width octagons The overall file can have descriptions at the beginning it can also have an overall definition of units (important for metric):Įach pattern definition needs a header prefixed by an *: a title and description separated by a comma The pattern file is just a text file, saved with a '.pat' extension.
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