Spirála se 4015

#!/usr/bin/env python2

# import archimed
# archimed.spiral("D", 0, 95, 0.0, (0, 0), 5.0, 6.5, 4.0)
 
import math
from pcbnew import *

# archimedova spirala, mm, refMin-refMax 
# text ref, min ref n, max ref n, start angle, (center x, center y), min rad, stoupani, rozestup, otoceni souc., skryt ref, zamknout
def spiral(refText, refMin, refMax, angStart, center, rMin, stoup, dist, compOffs=0, hide_ref=True, lock=False):
    # r = a + b*fi
    a = rMin
    b = stoup / 2 / math.pi
    ang = angStart
    angStep = 0.01/(a + b * math.sqrt(refMax-refMin))
    pcb = GetBoard()
    idx = refMin
    prevX=-123456
    prevY=-123456
    for i in range(0, 1000000):
        ang += angStep
        r = a + b * ang
        x = center[0] + r * math.cos(ang)
        y = center[1] + r * math.sin(ang)
        if prevX == -123456 and prevY == -123456 or sqrt((x-prevX)**2 + (y-prevY)**2) >= dist:
            rd = refText + str(idx)
            part = pcb.FindModuleByReference(rd)
            part.SetPosition(wxPoint(FromMM(x), FromMM(y)))
            part.SetOrientation(((math.degrees(ang) + compOffs) % 360) * -10)
            prevX=x
            prevY=y
            idx+=1
            if idx>refMax:
                print "hotovo, otacek: " + str(ang/2/math.pi) + ", krok: " + str(math.degrees(angStep)/360.0) \
                + " deg = " + str(angStep * 2 * math.pi * r) + " mm na konci"
                break
                
    if i>=1000000:
        print "Chyba: Mimo rozsah uhloveho indexu"