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985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 | # SPDX-License-Identifier: LGPL-2.1-or-later
# ***************************************************************************
# * Copyright (c) 2018 sliptonic <shopinthewoods@gmail.com> *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * This program is distributed in the hope that it will be useful, *
# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
# * GNU Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
from lazy_loader.lazy_loader import LazyLoader
import Path
import Path.Op.Base as PathOp
import Path.Op.Util as PathOpUtil
import PathScripts.PathUtils as PathUtils
# import copy
__doc__ = "Base class for all ops in the engrave family."
# lazily loaded modules
DraftGeomUtils = LazyLoader("DraftGeomUtils", globals(), "DraftGeomUtils")
Part = LazyLoader("Part", globals(), "Part")
if False:
Path.Log.setLevel(Path.Log.Level.DEBUG, Path.Log.thisModule())
Path.Log.trackModule(Path.Log.thisModule())
else:
Path.Log.setLevel(Path.Log.Level.INFO, Path.Log.thisModule())
class ObjectOp(PathOp.ObjectOp):
"""Proxy base class for engrave operations."""
def getZValues(self, obj):
zValues = []
if obj.StepDown.Value != 0:
z = obj.StartDepth.Value - obj.StepDown.Value
stepdown = obj.StepDown.Value
if stepdown < 0:
stepdown = -stepdown
while z > obj.FinalDepth.Value:
zValues.append(z)
z -= stepdown
zValues.append(obj.FinalDepth.Value)
return zValues
def buildpathocc(self, obj, wires, zValues, relZ=False, forward=True, start_idx=0):
"""buildpathocc(obj, wires, zValues, relZ=False) ... internal helper function to generate engraving commands."""
Path.Log.track(obj.Label, len(wires), zValues)
tol = self.job.GeometryTolerance.Value if getattr(self, "job", None) else 0.01
# sort wires, adapted from Area.py
if len(wires) > 1:
locations = []
for w in wires:
locations.append({"x": w.BoundBox.Center.x, "y": w.BoundBox.Center.y, "wire": w})
locations = PathUtils.sort_locations(locations, ["x", "y"])
wires = [j["wire"] for j in locations]
decomposewires = []
for wire in wires:
decomposewires.extend(PathOpUtil.makeWires(wire.Edges))
wires = decomposewires
for wire in wires:
# offset = wire
# reorder the wire
if hasattr(obj, "StartVertex"):
start_idx = obj.StartVertex
edges = wire.Edges
# edges = copy.copy(PathOpUtil.orientWire(offset, forward).Edges)
# Path.Log.track("wire: {} offset: {}".format(len(wire.Edges), len(edges)))
# edges = Part.sortEdges(edges)[0]
# Path.Log.track("edges: {}".format(len(edges)))
last = None
for z in zValues:
Path.Log.debug(z)
if last and wire.isClosed():
# Add step down to next Z for closed profile
self.appendCommand(
Path.Command("G1", {"X": last.x, "Y": last.y, "Z": last.z}),
z,
relZ,
self.vertFeed,
)
first = True
if start_idx > len(edges) - 1:
start_idx = len(edges) - 1
edges = edges[start_idx:] + edges[:start_idx]
for edge in edges:
Path.Log.debug(
"points: {} -> {}".format(edge.Vertexes[0].Point, edge.Vertexes[-1].Point)
)
Path.Log.debug(
"valueat {} -> {}".format(
edge.valueAt(edge.FirstParameter),
edge.valueAt(edge.LastParameter),
)
)
if first and (not last or not wire.isClosed()):
Path.Log.debug("processing first edge entry")
# Add moves to first point of wire
last = edge.Vertexes[0].Point
self.commandlist.append(
Path.Command(
"G0",
{"Z": obj.ClearanceHeight.Value, "F": self.vertRapid},
)
)
self.commandlist.append(
Path.Command("G0", {"X": last.x, "Y": last.y, "F": self.horizRapid})
)
self.commandlist.append(
Path.Command("G0", {"Z": obj.SafeHeight.Value, "F": self.vertRapid})
)
self.appendCommand(
Path.Command("G1", {"X": last.x, "Y": last.y, "Z": last.z}),
z,
relZ,
self.vertFeed,
)
first = False
if Path.Geom.pointsCoincide(last, edge.valueAt(edge.FirstParameter)):
# if Path.Geom.pointsCoincide(last, edge.Vertexes[0].Point):
# Edge not reversed
for cmd in Path.Geom.cmdsForEdge(edge, flip=False, tol=tol):
# Add gcode for edge
self.appendCommand(cmd, z, relZ, self.horizFeed)
last = edge.Vertexes[-1].Point
else:
# Edge reversed
for cmd in Path.Geom.cmdsForEdge(edge, flip=True, tol=tol):
# Add gcode for reversed edge
self.appendCommand(cmd, z, relZ, self.horizFeed)
last = edge.Vertexes[0].Point
self.commandlist.append(
Path.Command("G0", {"Z": obj.ClearanceHeight.Value, "F": self.vertRapid})
)
def appendCommand(self, cmd, z, relZ, feed):
params = cmd.Parameters
if relZ:
z = params["Z"] - z
params.update({"Z": z, "F": feed})
self.commandlist.append(Path.Command(cmd.Name, params))
def opSetDefaultValues(self, obj, job):
"""opSetDefaultValues(obj) ... set depths for engraving"""
if PathOp.FeatureDepths & self.opFeatures(obj):
if job and len(job.Model.Group) > 0:
bb = job.Proxy.modelBoundBox(job)
obj.OpStartDepth = bb.ZMax
obj.OpFinalDepth = bb.ZMax - max(obj.StepDown.Value, 0.1)
else:
obj.OpFinalDepth = -0.1
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