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Merged in subtract-polygons (pull request #2)

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rename del_polygon  to subtract_polygon
This commit is contained in:
Kamil Sopko
2016-02-24 22:43:50 +01:00
parent 23d5d7bd64 a827e184b7
commit e154e961fe
2 changed files with 50 additions and 40 deletions
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66
FlatCAMApp.py
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@@ -2137,7 +2137,7 @@ class App(QtCore.QObject):
def geocutout(name, *args): def geocutout(name, *args):
""" """
cut gaps in current geometry subtract gaps from geometry, this will not create new object
:param name: :param name:
:param args: :param args:
@@ -2148,6 +2148,14 @@ class App(QtCore.QObject):
'gapsize': float, 'gapsize': float,
'gaps': str} 'gaps': str}
#way gaps wil be rendered:
# lr - left + right
# tb - top + bottom
# 4 - left + right +top + bottom
# 2lr - 2*left + 2*right
# 2tb - 2*top + 2*bottom
# 8 - 2*left + 2*right +2*top + 2*bottom
for key in kwa: for key in kwa:
if key not in types: if key not in types:
return 'Unknown parameter: %s' % key return 'Unknown parameter: %s' % key
@@ -2159,15 +2167,23 @@ class App(QtCore.QObject):
return "Could not retrieve object: %s" % name return "Could not retrieve object: %s" % name
#get min and max data for each object as we just cut rectangles across X or Y
xmin, ymin, xmax, ymax = obj.bounds() xmin, ymin, xmax, ymax = obj.bounds()
px = 0.5 * (xmin + xmax) px = 0.5 * (xmin + xmax)
py = 0.5 * (ymin + ymax) py = 0.5 * (ymin + ymax)
lenghtx = (xmax - xmin)
lenghty = (ymax - ymin)
gapsize = kwa['gapsize']+kwa['dia']/2 gapsize = kwa['gapsize']+kwa['dia']/2
if kwa['gaps'] == '8' or kwa['gaps']=='2lr':
subtract_rectangle(name,xmin-gapsize,py-gapsize+lenghty/4,xmax+gapsize,py+gapsize+lenghty/4)
subtract_rectangle(name,xmin-gapsize,py-gapsize-lenghty/4,xmax+gapsize,py+gapsize-lenghty/4)
if kwa['gaps'] == '8' or kwa['gaps']=='2tb':
subtract_rectangle(name,px-gapsize+lenghtx/4,ymin-gapsize,px+gapsize+lenghtx/4,ymax+gapsize)
subtract_rectangle(name,px-gapsize-lenghtx/4,ymin-gapsize,px+gapsize-lenghtx/4,ymax+gapsize)
if kwa['gaps'] == '4' or kwa['gaps']=='lr': if kwa['gaps'] == '4' or kwa['gaps']=='lr':
del_rectangle(name,xmin-gapsize,py-gapsize,xmax+gapsize,py+gapsize) subtract_rectangle(name,xmin-gapsize,py-gapsize,xmax+gapsize,py+gapsize)
if kwa['gaps'] == '4' or kwa['gaps']=='tb': if kwa['gaps'] == '4' or kwa['gaps']=='tb':
del_rectangle(name,px-gapsize,ymin-gapsize,px+gapsize,ymax+gapsize) subtract_rectangle(name,px-gapsize,ymin-gapsize,px+gapsize,ymax+gapsize)
return 'Ok' return 'Ok'
def mirror(name, *args): def mirror(name, *args):
@@ -2718,7 +2734,7 @@ class App(QtCore.QObject):
return add_poly(obj_name, botleft_x, botleft_y, botleft_x, topright_y, return add_poly(obj_name, botleft_x, botleft_y, botleft_x, topright_y,
topright_x, topright_y, topright_x, botleft_y) topright_x, topright_y, topright_x, botleft_y)
def del_poly(obj_name, *args): def subtract_poly(obj_name, *args):
if len(args) % 2 != 0: if len(args) % 2 != 0:
return "Incomplete coordinate." return "Incomplete coordinate."
@@ -2731,19 +2747,13 @@ class App(QtCore.QObject):
if obj is None: if obj is None:
return "Object not found: %s" % obj_name return "Object not found: %s" % obj_name
def init_obj_me(init_obj, app): obj.subtract_polygon(points)
assert isinstance(init_obj, FlatCAMGeometry) obj.plot()
init_obj.solid_geometry=cascaded_union(diff)
diff= obj.del_polygon(points) return "OK."
try:
delete(obj_name)
obj.app.new_object("geometry", obj_name, init_obj_me)
except Exception as e:
return "Failed: %s" % str(e)
def del_rectangle(obj_name, botleft_x, botleft_y, topright_x, topright_y): def subtract_rectangle(obj_name, botleft_x, botleft_y, topright_x, topright_y):
return del_poly(obj_name, botleft_x, botleft_y, botleft_x, topright_y, return subtract_poly(obj_name, botleft_x, botleft_y, botleft_x, topright_y,
topright_x, topright_y, topright_x, botleft_y) topright_x, topright_y, topright_x, botleft_y)
def add_circle(obj_name, center_x, center_y, radius): def add_circle(obj_name, center_x, center_y, radius):
@@ -3091,8 +3101,8 @@ class App(QtCore.QObject):
}, },
'geocutout': { 'geocutout': {
'fcn': geocutout, 'fcn': geocutout,
'help': "Cut holding gaps closed geometry.\n" + 'help': "Cut holding gaps from geometry.\n" +
"> geocutout <name> [-dia <3.0 (float)>] [-margin <0.0 (float)>] [-gapsize <0.5 (float)>] [-gaps <lr (4|tb|lr)>]\n" + "> geocutout <name> [-dia <3.0 (float)>] [-margin <0.0 (float)>] [-gapsize <0.5 (float)>] [-gaps <lr (8|4|tb|lr|2tb|2lr)>]\n" +
" name: Name of the geometry object\n" + " name: Name of the geometry object\n" +
" dia: Tool diameter\n" + " dia: Tool diameter\n" +
" margin: Margin over bounds\n" + " margin: Margin over bounds\n" +
@@ -3245,11 +3255,11 @@ class App(QtCore.QObject):
' name: Name of the geometry object to which to append the polygon.\n' + ' name: Name of the geometry object to which to append the polygon.\n' +
' xi, yi: Coordinates of points in the polygon.' ' xi, yi: Coordinates of points in the polygon.'
}, },
'del_poly': { 'subtract_poly': {
'fcn': del_poly, 'fcn': subtract_poly,
'help': ' - Remove a polygon from the given Geometry object.\n' + 'help': 'Subtract polygon from the given Geometry object.\n' +
'> del_poly <name> <x0> <y0> <x1> <y1> <x2> <y2> [x3 y3 [...]]\n' + '> subtract_poly <name> <x0> <y0> <x1> <y1> <x2> <y2> [x3 y3 [...]]\n' +
' name: Name of the geometry object to which to remove the polygon.\n' + ' name: Name of the geometry object, which will be sutracted.\n' +
' xi, yi: Coordinates of points in the polygon.' ' xi, yi: Coordinates of points in the polygon.'
}, },
'delete': { 'delete': {
@@ -3295,11 +3305,11 @@ class App(QtCore.QObject):
" rows: number of rows\n"+ " rows: number of rows\n"+
" outname: Name of the new geometry object." " outname: Name of the new geometry object."
}, },
'del_rect': { 'subtract_rect': {
'fcn': del_rectangle, 'fcn': subtract_rectangle,
'help': 'Delete a rectange from the given Geometry object.\n' + 'help': 'Subtract rectange from the given Geometry object.\n' +
'> del_rect <name> <botleft_x> <botleft_y> <topright_x> <topright_y>\n' + '> subtract_rect <name> <botleft_x> <botleft_y> <topright_x> <topright_y>\n' +
' name: Name of the geometry object to which to remove the rectangle.\n' + ' name: Name of the geometry object, which will be subtracted.\n' +
' botleft_x, botleft_y: Coordinates of the bottom left corner.\n' + ' botleft_x, botleft_y: Coordinates of the bottom left corner.\n' +
' topright_x, topright_y Coordinates of the top right corner.' ' topright_x, topright_y Coordinates of the top right corner.'
}, },

10
camlib.py
View File

@@ -136,17 +136,17 @@ class Geometry(object):
log.error("Failed to run union on polygons.") log.error("Failed to run union on polygons.")
raise raise
def del_polygon(self, points): def subtract_polygon(self, points):
""" """
Delete a polygon from the object Subtract polygon from the given object. This only operates on the paths in the original geometry, i.e. it converts polygons into paths.
:param points: The vertices of the polygon. :param points: The vertices of the polygon.
:return: None :return: none
""" """
if self.solid_geometry is None: if self.solid_geometry is None:
self.solid_geometry = [] self.solid_geometry = []
#pathonly should be allways True, otherwise polygons are not subtracted
flat_geometry = self.flatten(pathonly=True) flat_geometry = self.flatten(pathonly=True)
log.debug("%d paths" % len(flat_geometry)) log.debug("%d paths" % len(flat_geometry))
polygon=Polygon(points) polygon=Polygon(points)
@@ -157,7 +157,7 @@ class Geometry(object):
diffs.append(target.difference(toolgeo)) diffs.append(target.difference(toolgeo))
else: else:
log.warning("Not implemented.") log.warning("Not implemented.")
return cascaded_union(diffs) self.solid_geometry=cascaded_union(diffs)
def bounds(self): def bounds(self):
""" """