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Re^2: Tk::Canvas createGroup() Undocumentedby kcott (Archbishop) |
on Mar 20, 2021 at 23:49 UTC ( [id://11130021]=note: print w/replies, xml ) | Need Help?? |
G'day bliako, ++ Thanks for taking the trouble to dig out that old (2004) post. The text regarding rotations from zentara (which you've quoted) actually refers to Tk::Zinc; rotations are not possible with Tk::Canvas. From "Tk::Canvas - TRANSFORMATIONS":
The thinking behind your guess is valid; unfortunately, it cannot work. That's a pity because it would have been useful. For instance, rotating the bend through 90° clockwise, could have made the creek flow north, instead of south, without the need to code a separate group. Presumably, had that been possible, the [0, 0] would have needed to be [50, 50] to rotate about the centre. — Ken
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