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Script to query Gerber file outer dimensions
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#!/usr/bin/env python | |
# From <https://www.wayneandlayne.com/blog/2013/04/02/script-to-query-gerber-file-outer-dimensions/> | |
# Gerber query script | |
# Usage: ./gerber_query.py board_edges.gbr | |
# Written by Matthew Beckler for Wayne and Layne, LLC | |
# Based on a script from @laen | |
# Released into the Public Domain. Have fun | |
def main(): | |
import sys | |
if len(sys.argv) < 2: | |
print "Usage: %s gerberfile" % sys.argv[0] | |
sys.exit() | |
import re | |
filename = sys.argv[1] | |
xmin = None | |
xmax = None | |
ymin = None | |
ymax = None | |
for line in file(filename): | |
results = re.search("^X([\d-]+)Y([\d-]+)", line.strip()) | |
if results: | |
x = int(results.group(1)) | |
y = int(results.group(2)) | |
xmin = min(xmin, x) if xmin else x | |
xmax = max(xmax, x) if xmax else x | |
ymin = min(ymin, y) if ymin else y | |
ymax = max(ymax, y) if ymax else y | |
print "Board dimensions:" | |
w = xmax - xmin | |
h = ymax - ymin | |
w_in = w / 10000.0 | |
h_in = h / 10000.0 | |
w_mm = w_in * 25.4 | |
h_mm = h_in * 25.4 | |
print " (%d, %d) original units" % (w, h) | |
print " (%.4f, %.4f) inches" % (w_in, h_in) | |
print " (%.4f, %.4f) mm" % (w_mm, h_mm) | |
if __name__ == "__main__": | |
main() |
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