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author | opiopan <opiopan@gmail.com> | 2019-03-23 21:59:13 +0900 |
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committer | opiopan <opiopan@gmail.com> | 2019-03-23 21:59:13 +0900 |
commit | 690df56bb71020901167605a87ec451081fa18d7 (patch) | |
tree | c1faba9ba0cb75d64d8353a94d87edbcbb8174c3 /gerberex/utility.py | |
parent | 9febca7da6a730b3b3ca3a54129a9f88e5c44d14 (diff) | |
download | pcb-tools-extension-690df56bb71020901167605a87ec451081fa18d7.tar.gz pcb-tools-extension-690df56bb71020901167605a87ec451081fa18d7.tar.bz2 pcb-tools-extension-690df56bb71020901167605a87ec451081fa18d7.zip |
add rotation fuction
Diffstat (limited to 'gerberex/utility.py')
-rw-r--r-- | gerberex/utility.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gerberex/utility.py b/gerberex/utility.py new file mode 100644 index 0000000..852519a --- /dev/null +++ b/gerberex/utility.py @@ -0,0 +1,13 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com> + +from math import cos, sin, pi + +def rotate(x, y, angle, center): + x0 = x - center[0] + y0 = y - center[1] + angle = angle * pi / 180.0 + return (cos(angle) * x0 - sin(angle) * y0 + center[0], + sin(angle) * x0 + cos(angle) * y0 + center[1]) |