def execute(self, app):
name = self["name"]
if not name or name == "default": name = "Spiral"
#Retrive data from user imput
Size = self.fromMm("Size")
Rotation = self["Rot"]
CW = self["CW"]
#grwoth per arc
if Rotation <= 0: Rotation = 1
grow = Size / Rotation / 4
#Clockwise
g = 2 if CW else 3
#Initialize blocks that will contain our gCode
blocks = []
block = Block(name)
#use some useful bCNC functions to generate gCode movement, see CNC.py for more
block.append(
"G0 Z3"
) #<<< Move rapid Z axis to the safe height in Stock Material
block.append("G0 X0 Y0") #<<< Move rapid to X and Y coordinate
block.append(
"G1 Z0 F100"
) #<<< Enter in the material with Plunge Feed for current material
block.append("F600") #<<< Feedrate
x, y = 0, 0
while abs(x) < Size / 2:
lx = x #<<< Save last x value
x = abs(x) + grow #<<< Add the growing value
if lx >= 0: x = -x #<<< Alternate sign
dx = x - lx #<<< Calculate delta X (r = i = dx/2)
block.append(CNC.garc(g=g, x=x, i=dx / 2))
#Circle with final Size
block.append(CNC.garc(g=g, x=-x, i=-x))
block.append(CNC.garc(g=g, x=x, i=x))
blocks.append(block)
active = app.activeBlock()
app.gcode.insBlocks(
active, blocks, "MyPlugins inserted"
) #<<< insert blocks over active block in the editor
app.refresh() #<<< refresh editor
app.setStatus(_("Generated: Spiral")) #<<< feed back result
def calc(self, xstart, ystart, xend, yend, radius, cw):
self.Points = []
self.corners = [
min(float(xstart), float(xend)),
min(float(ystart), float(yend)),
max(float(xstart), float(xend)),
max(float(ystart), float(yend)),
]
xmin, ymin, xmax, ymax = self.corners[0], self.corners[
1], self.corners[2], self.corners[3]
r = min(radius, (xmax - xmin) / 2, (ymax - ymin) / 2)
blocks = []
block = Block(self.name)
block.append(CNC.grapid(x=xmin, y=ymin + r))
block.append(CNC.grapid(z=0.0))
block.append("(entered)")
if cw:
block.append(CNC.gline(x=xmin, y=ymax - r))
if r > 0:
block.append(CNC.garc(2, x=xmin + r, y=ymax, i=r, j=0))
if (xmax - xmin) > 2 * r:
block.append(CNC.gline(x=xmax - r, y=ymax))
if r > 0:
block.append(CNC.garc(2, x=xmax, y=ymax - r, i=0, j=-r))
if (ymax - ymin) > 2 * r:
block.append(CNC.gline(x=xmax, y=ymin + r))
if r > 0:
block.append(CNC.garc(2, x=xmax - r, y=ymin, i=-r, j=0))
if (xmax - xmin) > 2 * r:
block.append(CNC.gline(x=xmin + r, y=ymin))
if r > 0:
block.append(CNC.garc(2, x=xmin, y=ymin + r, i=0, j=r))
else:
if r > 0:
block.append(CNC.garc(3, x=xmin + r, y=ymin, i=r, j=0))
if (xmax - xmin) > 2 * r:
block.append(CNC.gline(x=xmax - r, y=ymin))
if r > 0:
block.append(CNC.garc(3, x=xmax, y=ymin + r, i=0, j=r))
if (ymax - ymin) > 2 * r:
block.append(CNC.gline(x=xmax, y=ymax - r))
if r > 0:
block.append(CNC.garc(3, x=xmax - r, y=ymax, i=-r, j=0))
if (xmax - xmin) > 2 * r:
block.append(CNC.gline(x=xmin + r, y=ymax))
if r > 0:
block.append(CNC.garc(3, x=xmin, y=ymax - r, i=0, j=-r))
if (ymax - ymin) > 2 * r:
block.append(CNC.gline(x=xmin, y=ymin + r))
block.append("(exiting)")
block.append(CNC.grapid(z=CNC.vars["safe"]))
blocks.append(block)
return blocks
def generate(self,
board_width,
board_height,
number_of_pieces,
random_seed=0,
tap_shape='basic',
threshold=3.0):
blocks = []
block = Block(self.name)
random.seed(random_seed)
Arc.reset_used_arcs()
Arc.set_diff_threshold(threshold)
puzzle_cuts = self.__class__.make_puzzle_cuts(board_width,
board_height,
number_of_pieces,
tap_shape, threshold)
# Draw puzzle cuts
x = 0
y = 0
for i in range(0, int(self.thickness / self.step_z)):
for cut in puzzle_cuts:
block.append(CNC.zsafe())
block.append(CNC.grapid(x + cut[0].x, y + cut[0].y))
block.append(CNC.zenter(0.0))
block.append(CNC.fmt("f", self.cut_feed))
block.append(CNC.zenter(-(i + 1) * self.step_z))
for arc in cut:
if arc.r:
block.append(
CNC.garc(arc.direction,
x + arc.x,
y + arc.y,
r=arc.r))
blocks.append(block)
# Draw border
block = Block(self.name + "_border")
block.append(CNC.zsafe())
block.append(CNC.grapid(x, y))
for i in range(0, int(self.thickness / self.step_z)):
block.append(CNC.fmt("f", self.cut_feed))
block.append(CNC.zenter(-(i + 1) * self.step_z))
block.append(CNC.gline(x + board_width, y))
block.append(CNC.gline(x + board_width, y + board_height))
block.append(CNC.gline(x, y + board_height))
block.append(CNC.gline(x, y))
block.append(CNC.zsafe())
blocks.append(block)
return blocks
def appendCircle(block):
block.append("m5")
block.append(CNC.grapid(x=x0, y=y0 + marksizehalf / 2, f=movefeed))
block.append(self.getPowerLine(app))
block.append(
CNC.garc(2,
x=x0,
y=y0 + marksizehalf / 2,
j=-marksizehalf / 2,
i=0,
f=drawfeed))
block.append("m5")
def generate(self, board_width, board_height, number_of_pieces, random_seed = 0, tap_shape = 'basic', threshold = 3.0):
blocks = []
block = Block(self.name)
random.seed(random_seed)
Arc.reset_used_arcs()
Arc.set_diff_threshold(threshold)
puzzle_cuts = self.__class__.make_puzzle_cuts(board_width, board_height, number_of_pieces, tap_shape, threshold)
# Draw puzzle cuts
x = 0
y = 0
for i in range(0, int(self.thickness / self.step_z)):
for cut in puzzle_cuts:
block.append(CNC.zsafe())
block.append(CNC.grapid(x + cut[0].x, y + cut[0].y))
block.append(CNC.zenter(0.0))
block.append(CNC.fmt("f", self.cut_feed))
block.append(CNC.zenter(-(i + 1) * self.step_z))
for arc in cut:
if arc.r:
block.append(CNC.garc(arc.direction, x + arc.x, y + arc.y, r=arc.r))
blocks.append(block)
# Draw border
block = Block(self.name + "_border")
block.append(CNC.zsafe())
block.append(CNC.grapid(x, y))
for i in range(0, int(self.thickness / self.step_z)):
block.append(CNC.fmt("f",self.cut_feed))
block.append(CNC.zenter(-(i + 1) * self.step_z))
block.append(CNC.gline(x + board_width, y))
block.append(CNC.gline(x + board_width, y + board_height))
block.append(CNC.gline(x, y + board_height))
block.append(CNC.gline(x, y))
block.append(CNC.zsafe())
blocks.append(block)
return blocks
def calc(self, xcenter, ycenter, radius, startangle, endangle):
self.Points = []
xcenter, ycenter, radius, startangle, endangle = float(xcenter), float(
ycenter), abs(float(radius)), float(startangle), float(endangle)
xstart = xcenter + radius * math.cos(startangle * math.pi / 180.0)
xend = xcenter + radius * math.cos(endangle * math.pi / 180.0)
ystart = ycenter + radius * math.sin(startangle * math.pi / 180.0)
yend = ycenter + radius * math.sin(endangle * math.pi / 180.0)
i = xcenter - xstart
j = ycenter - ystart
blocks = []
block = Block(self.name)
block.append(CNC.grapid(x=xstart, y=ystart))
block.append(CNC.grapid(z=0.0))
block.append("(entered)")
if startangle < endangle:
direction = 3
else:
direction = 2
block.append(CNC.garc(direction, x=xend, y=yend, i=i, j=j))
block.append("(exiting)")
block.append(CNC.grapid(z=CNC.vars["safe"]))
blocks.append(block)
return blocks
def execute(self, app):
if Image is None:
app.setStatus(
_("Halftone abort: This plugin requires PIL/Pillow to read image data"
))
return
n = self["name"]
if not n or n == "default": n = "Halftone"
# Calc desired size
channel = self["Channel"]
invert = self["Invert"]
drawSize = self["DrawSize"]
cellSize = self["CellSize"]
dMax = self["DiameterMax"]
dMin = self["DiameterMin"]
angle = self["Angle"]
drawBorder = self["DrawBorder"]
depth = self["Depth"]
conical = self["Conical"]
# Check parameters
if drawSize < 1:
app.setStatus(
_("Halftone abort: Size too small to draw anything!"))
return
if dMin > dMax:
app.setStatus(
_("Halftone abort: Minimum diameter must be minor then Maximum"
))
return
if dMax < 1:
app.setStatus(_("Halftone abort: Maximum diameter too small"))
return
if cellSize < 1:
app.setStatus(_("Halftone abort: Cell size too small"))
return
tool = app.tools["EndMill"]
tool_shape = tool["shape"]
if conical:
if tool_shape == "V-cutting":
try:
v_angle = float(tool["angle"])
except:
app.setStatus(
_("Halftone abort: Angle in V-Cutting end mill is missing"
))
return
else:
app.setStatus(
_("Halftone abort: Conical path need V-Cutting end mill"))
return
# Open picture file
fileName = self["File"]
try:
img = Image.open(fileName)
except:
app.setStatus(_("Halftone abort: Can't read image file"))
return
# Create a scaled image to work faster with big image and better with small ones
squareNorm = True
if channel == 'Blue(sqrt)':
img = img.convert('RGB')
img = img.split()[0]
elif channel == 'Green(sqrt)':
img = img.convert('RGB')
img = img.split()[1]
elif channel == 'Red(sqrt)':
img = img.convert('RGB')
img = img.split()[2]
else:
img = img.convert('L') # to calculate luminance
squareNorm = False
# flip image to ouput correct coordinates
img = img.transpose(Image.FLIP_TOP_BOTTOM)
# Calc divisions for halftone
divisions = drawSize / cellSize
# Get image size
self.imgWidth, self.imgHeight = img.size
if (self.imgWidth > self.imgHeight):
scale = drawSize / float(self.imgWidth)
sample = int(self.imgWidth / divisions)
else:
scale = drawSize / float(self.imgHeight)
sample = int(self.imgHeight / divisions)
self.ratio = scale
# Halftone
circles = self.halftone(img, sample, scale, angle, squareNorm, invert)
# Init blocks
blocks = []
# Border block
if drawBorder:
block = Block("%s-border" % (self.name))
block.append(CNC.zsafe())
block.append(CNC.grapid(0, 0))
block.append(CNC.zenter(depth))
block.append(CNC.gcode(1, [("f", CNC.vars["cutfeed"])]))
block.append(CNC.gline(self.imgWidth * self.ratio, 0))
block.append(
CNC.gline(self.imgWidth * self.ratio,
self.imgHeight * self.ratio))
block.append(CNC.gline(0, self.imgHeight * self.ratio))
block.append(CNC.gline(0, 0))
blocks.append(block)
# Draw block
block = Block(self.name)
# Change color
if channel == 'Blue(sqrt)':
block.color = "#0000ff"
elif channel == 'Green(sqrt)':
block.color = "#00ff00"
elif channel == 'Red(sqrt)':
block.color = "#ff0000"
block.append("(Halftone size W=%d x H=%d x D=%d ,Total points:%i)" %
(self.imgWidth * self.ratio, self.imgHeight * self.ratio,
depth, len(circles)))
block.append("(Channel = %s)" % channel)
for c in circles:
x, y, r = c
r = min(dMax / 2.0, r)
if (r >= dMin / 2.):
block.append(CNC.zsafe())
block.append(CNC.grapid(x + r, y))
block.append(CNC.zenter(depth))
block.append(CNC.garc(
CW,
x + r,
y,
i=-r,
))
block.append(CNC.zsafe())
if conical: block.enable = False
blocks.append(block)
if conical:
blockCon = Block("%s-Conical" % (self.name))
for c in circles:
x, y, r = c
blockCon.append(CNC.zsafe())
blockCon.append(CNC.grapid(x, y))
dv = r / math.tan(math.radians(v_angle / 2.))
blockCon.append(CNC.zenter(-dv))
blockCon.append(CNC.zsafe())
blocks.append(blockCon)
# Gcode Zsafe
active = app.activeBlock()
app.gcode.insBlocks(active, blocks, "Halftone")
app.refresh()
app.setStatus(
_("Generated Halftone size W=%d x H=%d x D=%d ,Total points:%i" %
(self.imgWidth * self.ratio, self.imgHeight * self.ratio, depth,
len(circles))))
def calc(self, N, phi, Pc):
N = abs(N)
# Pitch Circle
D = N * Pc / math.pi
R = D / 2.0
# Diametrical pitch
Pd = N / D
# Base Circle
Db = D * math.cos(phi)
Rb = Db / 2.0
# Addendum
a = 1.0 / Pd
# Outside Circle
Ro = R + a
Do = 2.0 * Ro
# Tooth thickness
T = math.pi * D / (2 * N)
# undercut?
U = 2.0 / (math.sin(phi) * (math.sin(phi)))
needs_undercut = N < U
# sys.stderr.write("N:%s R:%s Rb:%s\n" % (N,R,Rb))
# Clearance
c = 0.0
# Dedendum
b = a + c
# Root Circle
Rr = R - b
Dr = 2.0 * Rr
two_pi = 2.0 * math.pi
half_thick_angle = two_pi / (4.0 * N)
pitch_to_base_angle = self.involute_intersect_angle(Rb, R)
pitch_to_outer_angle = self.involute_intersect_angle(
Rb, Ro) # pitch_to_base_angle
points = []
for x in range(1, N + 1):
c = x * two_pi / N
# angles
pitch1 = c - half_thick_angle
base1 = pitch1 - pitch_to_base_angle
outer1 = pitch1 + pitch_to_outer_angle
pitch2 = c + half_thick_angle
base2 = pitch2 + pitch_to_base_angle
outer2 = pitch2 - pitch_to_outer_angle
# points
b1 = self.point_on_circle(Rb, base1)
p1 = self.point_on_circle(R, pitch1)
o1 = self.point_on_circle(Ro, outer1)
o2 = self.point_on_circle(Ro, outer2)
p2 = self.point_on_circle(R, pitch2)
b2 = self.point_on_circle(Rb, base2)
if Rr >= Rb:
pitch_to_root_angle = pitch_to_base_angle - self.involute_intersect_angle(
Rb, Rr)
root1 = pitch1 - pitch_to_root_angle
root2 = pitch2 + pitch_to_root_angle
r1 = self.point_on_circle(Rr, root1)
r2 = self.point_on_circle(Rr, root2)
points.append(r1)
points.append(p1)
points.append(o1)
points.append(o2)
points.append(p2)
points.append(r2)
else:
r1 = self.point_on_circle(Rr, base1)
r2 = self.point_on_circle(Rr, base2)
points.append(r1)
points.append(b1)
points.append(p1)
points.append(o1)
points.append(o2)
points.append(p2)
points.append(b2)
points.append(r2)
first = points[0]
del points[0]
blocks = []
block = Block(self.name)
blocks.append(block)
block.append(CNC.grapid(first.x(), first.y()))
block.append(CNC.zenter(0.0))
#print first.x(), first.y()
for v in points:
block.append(CNC.gline(v.x(), v.y()))
#print v.x(), v.y()
#print first.x(), first.y()
block.append(CNC.gline(first.x(), first.y()))
block.append(CNC.zsafe())
#block = Block("%s-center"%(self.name))
block = Block("%s-basecircle" % (self.name))
block.enable = False
block.append(CNC.grapid(Db / 2, 0.))
block.append(CNC.zenter(0.0))
block.append(CNC.garc(CW, Db / 2, 0., i=-Db / 2))
block.append(CNC.zsafe())
blocks.append(block)
return blocks
def calc(self, N, phi, Pc):
N = abs(N)
# Pitch Circle
D = N * Pc / math.pi
R = D / 2.0
# Diametrical pitch
Pd = N / D
# Base Circle
Db = D * math.cos(phi)
Rb = Db / 2.0
# Addendum
a = 1.0 / Pd
# Outside Circle
Ro = R + a
Do = 2.0 * Ro
# Tooth thickness
T = math.pi*D / (2*N)
# undercut?
U = 2.0 / (math.sin(phi) * (math.sin(phi)))
needs_undercut = N < U
# sys.stderr.write("N:%s R:%s Rb:%s\n" % (N,R,Rb))
# Clearance
c = 0.0
# Dedendum
b = a + c
# Root Circle
Rr = R - b
Dr = 2.0*Rr
two_pi = 2.0*math.pi
half_thick_angle = two_pi / (4.0*N)
pitch_to_base_angle = self.involute_intersect_angle(Rb, R)
pitch_to_outer_angle = self.involute_intersect_angle(Rb, Ro) # pitch_to_base_angle
points = []
for x in range(1,N+1):
c = x * two_pi / N
# angles
pitch1 = c - half_thick_angle
base1 = pitch1 - pitch_to_base_angle
outer1 = pitch1 + pitch_to_outer_angle
pitch2 = c + half_thick_angle
base2 = pitch2 + pitch_to_base_angle
outer2 = pitch2 - pitch_to_outer_angle
# points
b1 = self.point_on_circle(Rb, base1)
p1 = self.point_on_circle(R, pitch1)
o1 = self.point_on_circle(Ro, outer1)
o2 = self.point_on_circle(Ro, outer2)
p2 = self.point_on_circle(R, pitch2)
b2 = self.point_on_circle(Rb, base2)
if Rr >= Rb:
pitch_to_root_angle = pitch_to_base_angle - self.involute_intersect_angle(Rb, Rr)
root1 = pitch1 - pitch_to_root_angle
root2 = pitch2 + pitch_to_root_angle
r1 = self.point_on_circle(Rr, root1)
r2 = self.point_on_circle(Rr, root2)
points.append(r1)
points.append(p1)
points.append(o1)
points.append(o2)
points.append(p2)
points.append(r2)
else:
r1 = self.point_on_circle(Rr, base1)
r2 = self.point_on_circle(Rr, base2)
points.append(r1)
points.append(b1)
points.append(p1)
points.append(o1)
points.append(o2)
points.append(p2)
points.append(b2)
points.append(r2)
first = points[0]
del points[0]
blocks = []
block = Block(self.name)
blocks.append(block)
block.append(CNC.grapid(first.x(), first.y()))
block.append(CNC.zenter(0.0))
#print first.x(), first.y()
for v in points:
block.append(CNC.gline(v.x(), v.y()))
#print v.x(), v.y()
#print first.x(), first.y()
block.append(CNC.gline(first.x(), first.y()))
block.append(CNC.zsafe())
#block = Block("%s-center"%(self.name))
block = Block("%s-basecircle"%(self.name))
block.enable = False
block.append(CNC.grapid(Db/2, 0.))
block.append(CNC.zenter(0.0))
block.append(CNC.garc(CW, Db/2, 0., i=-Db/2))
block.append(CNC.zsafe())
blocks.append(block)
return blocks
def execute(self, app):
if Image is None:
app.setStatus(_("Halftone abort: This plugin requires PIL/Pillow to read image data"))
return
n = self["name"]
if not n or n=="default": n="Halftone"
#Calc desired size
channel = self["Channel"]
invert = self["Invert"]
drawSize = self["DrawSize"]
cellSize = self["CellSize"]
dMax = self["DiameterMax"]
dMin = self["DiameterMin"]
angle = self["Angle"]
drawBorder = self["DrawBorder"]
depth = self["Depth"]
conical = self["Conical"]
#Check parameters
if drawSize < 1:
app.setStatus(_("Halftone abort: Size too small to draw anything!"))
return
if dMin > dMax:
app.setStatus(_("Halftone abort: Minimum diameter must be minor then Maximum"))
return
if dMax < 1:
app.setStatus(_("Halftone abort: Maximum diameter too small"))
return
if cellSize < 1:
app.setStatus(_("Halftone abort: Cell size too small"))
return
tool = app.tools["EndMill"]
tool_shape = tool["shape"]
if conical:
if tool_shape== "V-cutting":
try:
v_angle = float(tool["angle"])
except:
app.setStatus(_("Halftone abort: Angle in V-Cutting end mill is missing"))
return
else:
app.setStatus(_("Halftone abort: Conical path need V-Cutting end mill"))
return
#Open picture file
fileName = self["File"]
try:
img = Image.open(fileName)
except:
app.setStatus(_("Halftone abort: Can't read image file"))
return
#Create a scaled image to work faster with big image and better with small ones
squareNorm = True
if channel == 'Blue(sqrt)':
img = img.convert('RGB')
img = img.split()[0]
elif channel == 'Green(sqrt)':
img = img.convert('RGB')
img = img.split()[1]
elif channel == 'Red(sqrt)':
img = img.convert('RGB')
img = img.split()[2]
else:
img = img.convert ('L') #to calculate luminance
squareNorm = False
#flip image to ouput correct coordinates
img = img.transpose(Image.FLIP_TOP_BOTTOM)
#Calc divisions for halftone
divisions = drawSize / cellSize
#Get image size
self.imgWidth, self.imgHeight = img.size
if (self.imgWidth > self.imgHeight):
scale = drawSize / float(self.imgWidth)
sample = int(self.imgWidth / divisions)
else:
scale = drawSize / float(self.imgHeight)
sample = int(self.imgHeight / divisions)
self.ratio = scale
#Halftone
circles = self.halftone(img, sample, scale, angle, squareNorm, invert)
#Init blocks
blocks = []
#Border block
if drawBorder:
block = Block("%s-border"%(self.name))
block.append(CNC.zsafe())
block.append(CNC.grapid(0,0))
block.append(CNC.zenter(depth))
block.append(CNC.gcode(1, [("f",CNC.vars["cutfeed"])]))
block.append(CNC.gline(self.imgWidth * self.ratio, 0))
block.append(CNC.gline(self.imgWidth * self.ratio, self.imgHeight*self.ratio))
block.append(CNC.gline(0, self.imgHeight*self.ratio))
block.append(CNC.gline(0,0))
blocks.append(block)
#Draw block
block = Block(self.name)
#Change color
if channel == 'Blue(sqrt)':
block.color = "#0000ff"
elif channel == 'Green(sqrt)':
block.color = "#00ff00"
elif channel == 'Red(sqrt)':
block.color = "#ff0000"
block.append("(Halftone size W=%d x H=%d x D=%d ,Total points:%i)" %
(self.imgWidth * self.ratio, self.imgHeight * self.ratio, depth, len(circles)))
block.append("(Channel = %s)" % channel)
for c in circles:
x,y,r = c
r = min(dMax/2.0,r)
if (r >= dMin/2.):
block.append(CNC.zsafe())
block.append(CNC.grapid(x+r,y))
block.append(CNC.zenter(depth))
block.append(CNC.garc(CW,x+r,y,i=-r,))
block.append(CNC.zsafe())
if conical: block.enable = False
blocks.append(block)
if conical:
blockCon = Block("%s-Conical"%(self.name))
for c in circles:
x,y,r = c
blockCon.append(CNC.zsafe())
blockCon.append(CNC.grapid(x,y))
dv = r / math.tan(math.radians(v_angle/2.))
blockCon.append(CNC.zenter(-dv))
blockCon.append(CNC.zsafe())
blocks.append(blockCon)
#Gcode Zsafe
active = app.activeBlock()
app.gcode.insBlocks(active, blocks, "Halftone")
app.refresh()
app.setStatus(_("Generated Halftone size W=%d x H=%d x D=%d ,Total points:%i" %
(self.imgWidth * self.ratio, self.imgHeight * self.ratio, depth, len(circles))))
def addCircumference(radius): block.append(CNC.garc(2,radius, 0., i=-radius))
def addCircumference(radius): block.append(CNC.garc(2,radius, 0., i=-radius))
def appendCircle(block):
block.append("m5")
block.append(CNC.grapid(x=x0, y=y0 + marksizehalf / 2, f=movefeed))
block.append(self.getPowerLine(app))
block.append(CNC.garc(2, x=x0, y=y0 + marksizehalf / 2, j=-marksizehalf / 2, i=0, f=drawfeed))
block.append("m5")
