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Changed to allow for ISO page size selection, checkerboard pattern now centres itself properly in middle of the page

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This commit is contained in:
jayceelock 2015-06-09 11:35:48 +02:00
parent 424c2bddb3
commit a345d16cc1
1 changed files with 19 additions and 9 deletions
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28
doc/pattern_tools/gen_pattern.py Executable file → Normal file
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@ -3,7 +3,6 @@
"""gen_pattern.py
Usage example:
python gen_pattern.py -o out.svg -r 11 -c 8 -T circles -s 20.0 -R 5.0 -u mm -w 216 -h 279
-o, --output - output file (default out.svg)
-r, --rows - pattern rows (default 11)
-c, --columns - pattern columns (default 8)
@ -13,6 +12,7 @@ python gen_pattern.py -o out.svg -r 11 -c 8 -T circles -s 20.0 -R 5.0 -u mm -w 2
-u, --units - mm, inches, px, m (default mm)
-w, --page_width - page width in units (default 216)
-h, --page_height - page height in units (default 279)
-a, --page_size - page size (default A4), supercedes -h -w arguments
-H, --help - show help
"""
@ -51,11 +51,13 @@ class PatternMaker:
def makeCheckerboardPattern(self):
spacing = self.square_size
for x in range(1,self.cols+1):
for y in range(1,self.rows+1):
xspacing = (self.width - self.cols * self.square_size) / 2.0
yspacing = (self.height - self.rows * self.square_size) / 2.0
for x in range(0,self.cols):
for y in range(0,self.rows):
if x%2 == y%2:
dot = SVG("rect", x=x * spacing, y=y * spacing, width=spacing, height=spacing, stroke_width="0", fill="black")
self.g.append(dot)
square = SVG("rect", x=x * spacing + xspacing, y=y * spacing + yspacing, width=spacing, height=spacing, fill="black")
self.g.append(square)
def save(self):
c = canvas(self.g,width="%d%s"%(self.width,self.units),height="%d%s"%(self.height,self.units),viewBox="0 0 %d %d"%(self.width,self.height))
@ -65,9 +67,9 @@ class PatternMaker:
def main():
# parse command line options, TODO use argparse for better doc
try:
opts, args = getopt.getopt(sys.argv[1:], "Ho:c:r:T:u:s:R:w:h:", ["help","output=","columns=","rows=",
opts, args = getopt.getopt(sys.argv[1:], "Ho:c:r:T:u:s:R:w:h:a:", ["help","output=","columns=","rows=",
"type=","units=","square_size=","radius_rate=",
"page_width=","page_height="])
"page_width=","page_height=", "page_size="])
except getopt.error, msg:
print msg
print "for help use --help"
@ -79,8 +81,11 @@ def main():
units = "mm"
square_size = 20.0
radius_rate = 5.0
page_width = 216 #8.5 inches
page_height = 279 #11 inches
page_size = "A4"
# page size dict (ISO standard, mm) for easy lookup. format - size: [width, height]
page_sizes = {"A0": [840, 1188], "A1": [594, 840], "A2": [420, 594], "A3": [297, 420], "A4": [210, 297], "A5": [148, 210]}
page_width = page_sizes[page_size.upper()][0]
page_height = page_sizes[page_size.upper()][1]
# process options
for o, a in opts:
if o in ("-H", "--help"):
@ -104,6 +109,11 @@ def main():
page_width = float(a)
elif o in ("-h", "--page_height"):
page_height = float(a)
elif o in ("-a", "--page_size"):
units = "mm"
page_size = a.upper()
page_width = page_sizes[page_size][0]
page_height = page_sizes[page_size][1]
pm = PatternMaker(columns,rows,output,units,square_size,radius_rate,page_width,page_height)
#dict for easy lookup of pattern type
mp = {"circles":pm.makeCirclesPattern,"acircles":pm.makeACirclesPattern,"checkerboard":pm.makeCheckerboardPattern}