import math

text1='values are in mm'
text2='coordinates for center for A0'
centrx=420
centry=400

text3='biggest circle'
circ1rad=365

circ2rad=320
circ3rad=310
circ4rad=200

text4='radius of degrees'
degreerad=350

text5='size of line for degree,1/4 degree, fifth degree, tenth degree'
degreesize=10
qdegreesize=5
fdegreesize=15
tdegreesize=20

text6='size of central cross'
crosssize=40

text7='text size in pt, distance of text from biggest circle'
textsize='8pt'
textspace=12

circle ((centrx, centry), circ1rad)

circle ((centrx, centry), circ2rad)
circle ((centrx, centry), circ3rad)
circle ((centrx, centry), circ4rad)

text8='draw cross'

line ((centrx-crosssize/2,centry),(centrx+crosssize/2,centry))
line ((centrx, centry-crosssize/2),(centrx, centry+crosssize/2))

text9='draw 1 degree'
for i in range(360):
	line( (centrx+degreerad*math.sin(6.283185307/360*i) , centry+degreerad*math.cos(6.283185307/360*i) ), ( centrx+(degreerad-degreesize)*math.sin(6.283185307/360*i) , centry+(degreerad-degreesize)*math.cos(6.283185307/360*i) ))

text10='draw 1/4 degree'
for i in range(1440):
	line( (centrx+degreerad*math.sin(6.283185307/1440*i) , centry+degreerad*math.cos(6.283185307/1440*i) ), (centrx+(degreerad-qdegreesize)*math.sin(6.283185307/1440*i) , centry+(degreerad-qdegreesize)*math.cos(6.283185307/1440*i) ))

text11='draw 5th degree'
for i in range(72):
	line( (centrx+degreerad*math.sin(6.283185307/72*i) , centry+degreerad*math.cos(6.283185307/72*i) ), ( centrx+(degreerad-fdegreesize)*math.sin(6.283185307/72*i) , centry+(degreerad-fdegreesize)*math.cos(6.283185307/72*i) ))

text12='draw 10th degree and tenths of degree'

for i in range(36):

	t = text( str((i)*10), (centrx+(circ1rad-textspace)*math.sin(6.283185307/36*i-0.02) ,centry-(circ1rad-textspace)*math.cos(6.283185307/36*i-0.02)), font_size=textsize)
	t.rotate((10*i),'nw')
	line( (centrx+(degreerad-tdegreesize)*math.sin(6.283185307/36*i) , centry+(degreerad-tdegreesize)*math.cos(6.283185307/36*i) ), ( centrx+degreerad*math.sin(6.283185307/36*i) , centry+degreerad*math.cos(6.283185307/36*i) ))