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View, delete, re-plot items

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This commit is contained in:
Juan Pablo Caram
2014-01-09 22:14:46 -05:00
parent 145496b4ae
commit 0b16365ba2
5 changed files with 938 additions and 63 deletions
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63
camlib.py
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@@ -1,4 +1,4 @@
import cairo
#import cairo
#from string import *
#from math import *
@@ -11,7 +11,7 @@ from numpy import arctan2, Inf, array, sqrt, pi, ceil, sin, cos
from matplotlib.figure import Figure
# See: http://toblerity.org/shapely/manual.html
from shapely.geometry import Polygon, LineString, Point
from shapely.geometry import Polygon, LineString, Point, LinearRing
from shapely.geometry import MultiPoint, MultiPolygon
from shapely.geometry import box as shply_box
from shapely.ops import cascaded_union
@@ -41,7 +41,11 @@ class Geometry:
if self.solid_geometry == None:
print "Warning: solid_geometry not computed yet."
return (0,0,0,0)
return self.solid_geometry.bounds
if type(self.solid_geometry) == list:
return cascaded_union(self.solid_geometry).bounds
else:
return self.solid_geometry.bounds
def size(self):
'''
@@ -62,7 +66,7 @@ class Geometry:
'''
if boundary == None:
boundary = self.solid_geometry.envelope
return boundary.difference(g.solid_geometry)
return boundary.difference(self.solid_geometry)
def clear_polygon(self, polygon, tooldia, overlap = 0.15):
'''
@@ -340,9 +344,10 @@ class Excellon(Geometry):
self.solid_geometry.append(poly)
self.solid_geometry = cascaded_union(self.solid_geometry)
class CNCjob:
class CNCjob(Geometry):
def __init__(self, units="in", kind="generic", z_move = 0.1,
feedrate = 3.0, z_cut = -0.002):
# Options
self.kind = kind
self.units = units
@@ -366,7 +371,8 @@ class CNCjob:
self.tooldia = 0
# Output generated by CNCjob.create_gcode_geometry()
self.G_geometry = None
#self.G_geometry = None
self.gcode_parsed = None
def generate_from_excellon(self, exobj):
'''
@@ -447,7 +453,7 @@ class CNCjob:
self.gcode += "G00 Z%.4f\n"%self.z_move # Stop cutting
continue
if type(geo) == LineString or type(geo) == LineRing:
if type(geo) == LineString or type(geo) == LinearRing:
path = list(geo.coords)
self.gcode += t%(0, path[0][0], path[0][1]) # Move to first point
self.gcode += "G01 Z%.4f\n"%self.z_cut # Start cutting
@@ -469,7 +475,7 @@ class CNCjob:
self.gcode += "G00 X0Y0\n"
self.gcode += "M05\n" # Spindle stop
def create_gcode_geometry(self):
def gcode_parse(self):
steps_per_circ = 20
'''
G-Code parser (from self.gcode). Generates dictionary with
@@ -534,7 +540,8 @@ class CNCjob:
for code in gobj:
current[code] = gobj[code]
self.G_geometry = geometry
#self.G_geometry = geometry
self.gcode_parsed = geometry
return geometry
def plot(self, tooldia=None, dpi=75, margin=0.1,
@@ -555,7 +562,7 @@ class CNCjob:
ax.set_ylim(ymin-margin, ymax+margin)
if tooldia == 0:
for geo in self.G_geometry:
for geo in self.gcode_parsed:
linespec = '--'
linecolor = color[geo['kind'][0]][1]
if geo['kind'][0] == 'C':
@@ -563,7 +570,7 @@ class CNCjob:
x, y = geo['geom'].coords.xy
ax.plot(x, y, linespec, color=linecolor)
else:
for geo in self.G_geometry:
for geo in self.gcode_parsed:
poly = geo['geom'].buffer(tooldia/2.0)
patch = PolygonPatch(poly, facecolor=color[geo['kind'][0]][0],
edgecolor=color[geo['kind'][0]][1],
@@ -576,20 +583,13 @@ class CNCjob:
color={"T":["#F0E24D", "#B5AB3A"], "C":["#5E6CFF", "#4650BD"]},
alpha={"T":0.3, "C":1.0}):
'''
Plots the G-code job onto the given axes
Plots the G-code job onto the given axes.
'''
if tooldia == None:
tooldia = self.tooldia
#fig = Figure(dpi=dpi)
#ax = fig.add_subplot(111)
#ax.set_aspect(1)
#xmin, ymin, xmax, ymax = self.input_geometry_bounds
#ax.set_xlim(xmin-margin, xmax+margin)
#ax.set_ylim(ymin-margin, ymax+margin)
if tooldia == 0:
for geo in self.G_geometry:
for geo in self.gcode_parsed:
linespec = '--'
linecolor = color[geo['kind'][0]][1]
if geo['kind'][0] == 'C':
@@ -597,13 +597,17 @@ class CNCjob:
x, y = geo['geom'].coords.xy
axes.plot(x, y, linespec, color=linecolor)
else:
for geo in self.G_geometry:
for geo in self.gcode_parsed:
poly = geo['geom'].buffer(tooldia/2.0)
patch = PolygonPatch(poly, facecolor=color[geo['kind'][0]][0],
edgecolor=color[geo['kind'][0]][1],
alpha=alpha[geo['kind'][0]], zorder=2)
axes.add_patch(patch)
def create_geometry(self):
self.solid_geometry = cascaded_union([geo['geom'] for geo in self.gcode_parsed])
def gparse1b(gtext):
'''
@@ -650,21 +654,18 @@ def gparse1b(gtext):
gcmds.append(cmds)
return gcmds
def get_bounds(geometry_sets):
def get_bounds(geometry_set):
xmin = Inf
ymin = Inf
xmax = -Inf
ymax = -Inf
#geometry_sets = [self.gerbers, self.excellons]
for gs in geometry_sets:
for g in gs:
gxmin, gymin, gxmax, gymax = g.solid_geometry.bounds
xmin = min([xmin, gxmin])
ymin = min([ymin, gymin])
xmax = max([xmax, gxmax])
ymax = max([ymax, gymax])
for gs in geometry_set:
gxmin, gymin, gxmax, gymax = geometry_set[gs].bounds()
xmin = min([xmin, gxmin])
ymin = min([ymin, gymin])
xmax = max([xmax, gxmax])
ymax = max([ymax, gymax])
return [xmin, ymin, xmax, ymax]