285 lines
11 KiB
Python
285 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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# ***************************************************************************
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# * *
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# * Copyright (c) 2015 Yorik van Havre <yorik@uncreated.net> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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import FreeCAD
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import FreeCADGui
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import Path
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import PathScripts
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from PySide import QtCore
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import math
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"""Path Array object and FreeCAD command"""
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# Qt tanslation handling
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def translate(context, text, disambig=None):
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return QtCore.QCoreApplication.translate(context, text, disambig)
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class ObjectArray:
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def __init__(self, obj):
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obj.addProperty("App::PropertyLink", "Base",
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"Path", "The path to array")
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obj.addProperty("App::PropertyEnumeration", "Type",
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"Path", QtCore.QT_TRANSLATE_NOOP("App::Property", "Pattern method"))
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obj.addProperty("App::PropertyVectorDistance", "Offset",
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"Path", "The spacing between the array copies in Linear pattern")
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obj.addProperty("App::PropertyInteger", "CopiesX",
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"Path", "The number of copies in X direction in Linear pattern")
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obj.addProperty("App::PropertyInteger", "CopiesY",
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"Path", "The number of copies in Y direction in Linear pattern")
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obj.addProperty("App::PropertyAngle", "Angle",
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"Path", "Total angle in Polar pattern")
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obj.addProperty("App::PropertyInteger", "Copies",
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"Path", "The number of copies in Linear 1D and Polar pattern")
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obj.addProperty("App::PropertyVector", "Centre",
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"Path", "The centre of rotation in Polar pattern")
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obj.addProperty("App::PropertyLink", "ToolController",
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"Path", QtCore.QT_TRANSLATE_NOOP("App::Property", "The tool controller that will be used to calculate the path"))
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obj.Type = ['Linear1D', 'Linear2D', 'Polar']
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self.setEditorProperties(obj)
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obj.Proxy = self
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def __getstate__(self):
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return None
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def __setstate__(self, state):
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return None
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def setEditorProperties(self, obj):
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if obj.Type == 'Linear2D':
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obj.setEditorMode('Angle', 2)
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obj.setEditorMode('Copies', 2)
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obj.setEditorMode('Centre', 2)
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obj.setEditorMode('CopiesX', 0)
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obj.setEditorMode('CopiesY', 0)
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obj.setEditorMode('Offset', 0)
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elif obj.Type == 'Polar':
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obj.setEditorMode('Angle', 0)
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obj.setEditorMode('Copies', 0)
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obj.setEditorMode('Centre', 0)
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obj.setEditorMode('CopiesX', 2)
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obj.setEditorMode('CopiesY', 2)
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obj.setEditorMode('Offset', 2)
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elif obj.Type == 'Linear1D':
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obj.setEditorMode('Angle', 2)
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obj.setEditorMode('Copies', 0)
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obj.setEditorMode('Centre', 2)
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obj.setEditorMode('CopiesX', 2)
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obj.setEditorMode('CopiesY', 2)
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obj.setEditorMode('Offset', 0)
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def onChanged(self, obj, prop):
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if prop == "Type":
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self.setEditorProperties(obj)
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def rotatePath(self, path, angle, centre):
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'''
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Rotates Path around given centre vector
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Only X and Y is considered
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'''
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CmdMoveRapid = ['G0', 'G00']
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CmdMoveStraight = ['G1', 'G01']
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CmdMoveCW = ['G2', 'G02']
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CmdMoveCCW = ['G3', 'G03']
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CmdDrill = ['G81', 'G82', 'G83']
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CmdMoveArc = CmdMoveCW + CmdMoveCCW
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CmdMove = CmdMoveStraight + CmdMoveArc
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commands = []
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ang = angle / 180 * math.pi
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currX = 0
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currY = 0
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for cmd in path.Commands:
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if (cmd.Name in CmdMoveRapid) or (cmd.Name in CmdMove) or (cmd.Name in CmdDrill):
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params = cmd.Parameters
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x = params.get("X")
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if x is None:
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x = currX
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currX = x
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y = params.get("Y")
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if y is None:
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y = currY
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currY = y
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# "move" the centre to origin
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x = x - centre.x
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y = y - centre.y
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# rotation around origin:
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nx = x * math.cos(ang) - y * math.sin(ang)
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ny = y * math.cos(ang) + x * math.sin(ang)
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# "move" the centre back and update
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params.update({'X': nx + centre.x, 'Y': ny + centre.y})
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# Arcs need to have the I and J params rotated as well
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if cmd.Name in CmdMoveArc:
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i = params.get("I")
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if i is None:
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i = 0
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j = params.get("J")
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if j is None:
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j = 0
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ni = i * math.cos(ang) - j * math.sin(ang)
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nj = j * math.cos(ang) + i * math.sin(ang)
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params.update({'I': ni, 'J': nj})
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cmd.Parameters = params
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commands.append(cmd)
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newPath = Path.Path(commands)
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return newPath
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def execute(self, obj):
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if obj.Base:
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if not obj.Base.isDerivedFrom("Path::Feature"):
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return
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if not obj.Base.Path:
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return
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if not obj.Base.ToolController:
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return
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obj.ToolController = obj.Base.ToolController
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# build copies
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basepath = obj.Base.Path
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output = ""
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if obj.Type == 'Linear1D':
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for i in range(obj.Copies):
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pl = FreeCAD.Placement()
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pos = FreeCAD.Vector(obj.Offset.x * (i + 1), obj.Offset.y * (i + 1), 0)
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pl.move(pos)
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np = Path.Path([cm.transform(pl)
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for cm in basepath.Commands])
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output += np.toGCode()
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elif obj.Type == 'Linear2D':
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for i in range(obj.CopiesX + 1):
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for j in range(obj.CopiesY + 1):
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pl = FreeCAD.Placement()
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# do not process the index 0,0. It will be processed at basepath
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if not (i == 0 and j == 0):
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if (i % 2) == 0:
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pos = FreeCAD.Vector(obj.Offset.x * i, obj.Offset.y * j, 0)
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else:
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pos = FreeCAD.Vector(obj.Offset.x * i, obj.Offset.y * (obj.CopiesY - j), 0)
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pl.move(pos)
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np = Path.Path([cm.transform(pl)
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for cm in basepath.Commands])
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output += np.toGCode()
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else:
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for i in range(obj.Copies):
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ang = 360
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if obj.Copies > 0:
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ang = obj.Angle / obj.Copies * (1 + i)
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np = self.rotatePath(basepath, ang, obj.Centre)
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output += np.toGCode()
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# print output
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path = Path.Path(output)
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obj.Path = path
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class ViewProviderArray:
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def __init__(self, vobj):
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vobj.Proxy = self
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def attach(self, vobj):
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self.Object = vobj.Object
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return
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def __getstate__(self):
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return None
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def __setstate__(self, state):
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return None
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def claimChildren(self):
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if hasattr(self, "Object"):
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if hasattr(self.Object, "Base"):
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if self.Object.Base:
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return self.Object.Base
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return []
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class CommandPathArray:
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def GetResources(self):
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return {'Pixmap': 'Path-Array',
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'MenuText': QtCore.QT_TRANSLATE_NOOP("Path_Array", "Array"),
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'ToolTip': QtCore.QT_TRANSLATE_NOOP("Path_Array", "Creates an array from a selected path")}
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def IsActive(self):
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if bool(FreeCADGui.Selection.getSelection()) is False:
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return False
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try:
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obj = FreeCADGui.Selection.getSelectionEx()[0].Object
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return isinstance(obj.Proxy, PathScripts.PathOp.ObjectOp)
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except:
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return False
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def Activated(self):
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# check that the selection contains exactly what we want
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selection = FreeCADGui.Selection.getSelection()
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if len(selection) != 1:
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FreeCAD.Console.PrintError(
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translate("Path_Array", "Please select exactly one path object")+"\n")
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return
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if not(selection[0].isDerivedFrom("Path::Feature")):
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FreeCAD.Console.PrintError(
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translate("Path_Array", "Please select exactly one path object")+"\n")
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return
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# if everything is ok, execute and register the transaction in the
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# undo/redo stack
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FreeCAD.ActiveDocument.openTransaction("Create Array")
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FreeCADGui.addModule("PathScripts.PathArray")
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FreeCADGui.addModule("PathScripts.PathUtils")
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FreeCADGui.doCommand(
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'obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython","Array")')
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FreeCADGui.doCommand('PathScripts.PathArray.ObjectArray(obj)')
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FreeCADGui.doCommand(
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'obj.Base = (FreeCAD.ActiveDocument.' + selection[0].Name + ')')
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# FreeCADGui.doCommand('PathScripts.PathArray.ViewProviderArray(obj.ViewObject)')
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FreeCADGui.doCommand('obj.ViewObject.Proxy = 0')
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FreeCADGui.doCommand('PathScripts.PathUtils.addToJob(obj)')
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FreeCAD.ActiveDocument.commitTransaction()
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FreeCAD.ActiveDocument.recompute()
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if FreeCAD.GuiUp:
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# register the FreeCAD command
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FreeCADGui.addCommand('Path_Array', CommandPathArray())
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