244639c2bf
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429 lines
18 KiB
Python
429 lines
18 KiB
Python
# ***************************************************************************
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# * (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net> *
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# * (c) 2009, 2010 Ken Cline <cline@frii.com> *
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# * (c) 2020 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de> *
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# * *
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# * This file is part of the FreeCAD CAx development system. *
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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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# * FreeCAD 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 FreeCAD; 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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"""Provides tools for rotating objects in the 3D space."""
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## @package gui_rotate
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# \ingroup DRAFT
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# \brief Provides tools for rotating objects in the 3D space.
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import math
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from PySide.QtCore import QT_TRANSLATE_NOOP
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import FreeCAD as App
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import FreeCADGui as Gui
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import Draft_rc
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from FreeCAD import Units as U
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import DraftVecUtils
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import draftutils.utils as utils
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import draftutils.todo as todo
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import draftguitools.gui_base_original as gui_base_original
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import draftguitools.gui_tool_utils as gui_tool_utils
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import draftguitools.gui_trackers as trackers
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from draftutils.messages import _msg, _err
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from draftutils.translate import translate, _tr
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# The module is used to prevent complaints from code checkers (flake8)
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True if Draft_rc.__name__ else False
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class Rotate(gui_base_original.Modifier):
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"""Gui Command for the Rotate tool."""
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def GetResources(self):
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"""Set icon, menu and tooltip."""
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_tip = ("Rotates the selected objects. "
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"Choose the center of rotation, then the initial angle, "
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"and then the final angle.\n"
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'If the "copy" option is active, it will create '
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"rotated copies.\n"
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"CTRL to snap, SHIFT to constrain. "
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"Hold ALT and click to create a copy with each click.")
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return {'Pixmap': 'Draft_Rotate',
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'Accel': "R, O",
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'MenuText': QT_TRANSLATE_NOOP("Draft_Rotate", "Rotate"),
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'ToolTip': QT_TRANSLATE_NOOP("Draft_Rotate", _tip)}
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def Activated(self):
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"""Execute when the command is called."""
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super(Rotate, self).Activated(name=_tr("Rotate"))
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if not self.ui:
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return
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self.ghosts = []
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self.arctrack = None
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self.get_object_selection()
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def get_object_selection(self):
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"""Get the object selection."""
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if Gui.Selection.getSelection():
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return self.proceed()
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self.ui.selectUi()
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_msg(translate("draft", "Select an object to rotate"))
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self.call = \
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self.view.addEventCallback("SoEvent", gui_tool_utils.selectObject)
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def proceed(self):
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"""Continue with the command after a selection has been made."""
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if self.call:
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self.view.removeEventCallback("SoEvent", self.call)
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self.selected_objects = Gui.Selection.getSelection()
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self.selected_objects = utils.getGroupContents(self.selected_objects,
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addgroups=True,
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spaces=True,
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noarchchild=True)
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self.selected_subelements = Gui.Selection.getSelectionEx()
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self.step = 0
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self.center = None
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self.ui.rotateSetCenterUi()
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self.ui.modUi()
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self.ui.setTitle(translate("draft", "Rotate"))
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self.arctrack = trackers.arcTracker()
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self.call = self.view.addEventCallback("SoEvent", self.action)
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_msg(translate("draft", "Pick rotation center"))
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def action(self, arg):
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"""Handle the 3D scene events.
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This is installed as an EventCallback in the Inventor view.
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Parameters
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----------
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arg: dict
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Dictionary with strings that indicates the type of event received
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from the 3D view.
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"""
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if arg["Type"] == "SoKeyboardEvent" and arg["Key"] == "ESCAPE":
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self.finish()
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elif arg["Type"] == "SoLocation2Event":
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self.handle_mouse_move_event(arg)
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elif (arg["Type"] == "SoMouseButtonEvent"
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and arg["State"] == "DOWN"
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and arg["Button"] == "BUTTON1"):
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self.handle_mouse_click_event(arg)
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def handle_mouse_move_event(self, arg):
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"""Handle the mouse when moving."""
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plane = App.DraftWorkingPlane
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for ghost in self.ghosts:
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ghost.off()
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self.point, ctrlPoint, info = gui_tool_utils.getPoint(self, arg)
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# this is to make sure radius is what you see on screen
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if self.center and DraftVecUtils.dist(self.point, self.center):
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viewdelta = DraftVecUtils.project(self.point.sub(self.center),
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plane.axis)
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if not DraftVecUtils.isNull(viewdelta):
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self.point = self.point.add(viewdelta.negative())
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if self.extendedCopy:
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if not gui_tool_utils.hasMod(arg, gui_tool_utils.MODALT):
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self.step = 3
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self.finish()
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if self.step == 0:
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pass
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elif self.step == 1:
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currentrad = DraftVecUtils.dist(self.point, self.center)
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if currentrad != 0:
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angle = DraftVecUtils.angle(plane.u,
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self.point.sub(self.center),
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plane.axis)
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else:
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angle = 0
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self.ui.setRadiusValue(math.degrees(angle), unit="Angle")
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self.firstangle = angle
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self.ui.radiusValue.setFocus()
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self.ui.radiusValue.selectAll()
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elif self.step == 2:
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currentrad = DraftVecUtils.dist(self.point, self.center)
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if currentrad != 0:
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angle = DraftVecUtils.angle(plane.u,
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self.point.sub(self.center),
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plane.axis)
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else:
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angle = 0
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if angle < self.firstangle:
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sweep = (2 * math.pi - self.firstangle) + angle
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else:
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sweep = angle - self.firstangle
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self.arctrack.setApertureAngle(sweep)
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for ghost in self.ghosts:
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ghost.rotate(plane.axis, sweep)
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ghost.on()
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self.ui.setRadiusValue(math.degrees(sweep), 'Angle')
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self.ui.radiusValue.setFocus()
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self.ui.radiusValue.selectAll()
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gui_tool_utils.redraw3DView()
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def handle_mouse_click_event(self, arg):
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"""Handle the mouse when the first button is clicked."""
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if not self.point:
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return
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if self.step == 0:
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self.set_center()
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elif self.step == 1:
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self.set_start_point()
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else:
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self.set_rotation_angle(arg)
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def set_center(self):
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"""Set the center of the rotation."""
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if not self.ghosts:
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self.set_ghosts()
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self.center = self.point
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self.node = [self.point]
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self.ui.radiusUi()
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self.ui.radiusValue.setText(U.Quantity(0, U.Angle).UserString)
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self.ui.hasFill.hide()
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self.ui.labelRadius.setText(translate("draft", "Base angle"))
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_tip = "The base angle you wish to start the rotation from"
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self.ui.radiusValue.setToolTip(translate("draft", _tip))
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self.arctrack.setCenter(self.center)
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for ghost in self.ghosts:
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ghost.center(self.center)
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self.step = 1
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_msg(translate("draft", "Pick base angle"))
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if self.planetrack:
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self.planetrack.set(self.point)
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def set_start_point(self):
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"""Set the starting point of the rotation."""
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self.ui.labelRadius.setText(translate("draft", "Rotation"))
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_tip = ("The amount of rotation you wish to perform.\n"
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"The final angle will be the base angle plus this amount.")
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self.ui.radiusValue.setToolTip(translate("draft", _tip))
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self.rad = DraftVecUtils.dist(self.point, self.center)
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self.arctrack.on()
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self.arctrack.setStartPoint(self.point)
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for ghost in self.ghosts:
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ghost.on()
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self.step = 2
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_msg(translate("draft", "Pick rotation angle"))
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def set_rotation_angle(self, arg):
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"""Set the rotation angle."""
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plane = App.DraftWorkingPlane
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# currentrad = DraftVecUtils.dist(self.point, self.center)
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angle = self.point.sub(self.center).getAngle(plane.u)
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_v = DraftVecUtils.project(self.point.sub(self.center), plane.v)
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if _v.getAngle(plane.v) > 1:
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angle = -angle
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if angle < self.firstangle:
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self.angle = (2 * math.pi - self.firstangle) + angle
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else:
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self.angle = angle - self.firstangle
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self.rotate(self.ui.isCopy.isChecked()
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or gui_tool_utils.hasMod(arg, gui_tool_utils.MODALT))
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if gui_tool_utils.hasMod(arg, gui_tool_utils.MODALT):
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self.extendedCopy = True
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else:
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self.finish(cont=True)
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def set_ghosts(self):
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"""Set the ghost to display."""
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if self.ui.isSubelementMode.isChecked():
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return self.set_subelement_ghosts()
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self.ghosts = [trackers.ghostTracker(self.selected_objects)]
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def set_subelement_ghosts(self):
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"""Set ghost for the subelements (vertices, edges)."""
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import Part
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for obj in self.selected_subelements:
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for subelement in obj.SubObjects:
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if (isinstance(subelement, Part.Vertex)
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or isinstance(subelement, Part.Edge)):
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self.ghosts.append(trackers.ghostTracker(subelement))
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def finish(self, closed=False, cont=False):
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"""Finish the rotate operation."""
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if self.arctrack:
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self.arctrack.finalize()
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for ghost in self.ghosts:
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ghost.finalize()
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if cont and self.ui:
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if self.ui.continueMode:
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todo.ToDo.delayAfter(self.Activated, [])
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super(Rotate, self).finish()
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if self.doc:
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self.doc.recompute()
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def rotate(self, is_copy=False):
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"""Perform the rotation of the subelements or the entire object."""
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if self.ui.isSubelementMode.isChecked():
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self.rotate_subelements(is_copy)
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else:
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self.rotate_object(is_copy)
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def rotate_subelements(self, is_copy):
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"""Rotate the subelements."""
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try:
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if is_copy:
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self.commit(translate("draft", "Copy"),
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self.build_copy_subelements_command())
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else:
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self.commit(translate("draft", "Rotate"),
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self.build_rotate_subelements_command())
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except Exception:
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_err(translate("draft", "Some subelements could not be moved."))
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def build_copy_subelements_command(self):
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"""Build the string to commit to copy the subelements."""
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import Part
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plane = App.DraftWorkingPlane
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command = []
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arguments = []
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E = len("Edge")
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for obj in self.selected_subelements:
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for index, subelement in enumerate(obj.SubObjects):
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if not isinstance(subelement, Part.Edge):
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continue
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_edge_index = int(obj.SubElementNames[index][E:]) - 1
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_cmd = '['
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_cmd += 'FreeCAD.ActiveDocument.'
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_cmd += obj.ObjectName + ', '
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_cmd += str(_edge_index) + ', '
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_cmd += str(math.degrees(self.angle)) + ', '
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_cmd += DraftVecUtils.toString(self.center) + ', '
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_cmd += DraftVecUtils.toString(plane.axis)
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_cmd += ']'
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arguments.append(_cmd)
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all_args = ', '.join(arguments)
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command.append('Draft.copyRotatedEdges([' + all_args + '])')
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command.append('FreeCAD.ActiveDocument.recompute()')
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return command
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def build_rotate_subelements_command(self):
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"""Build the string to commit to rotate the subelements."""
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import Part
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plane = App.DraftWorkingPlane
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command = []
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V = len("Vertex")
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E = len("Edge")
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for obj in self.selected_subelements:
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for index, subelement in enumerate(obj.SubObjects):
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if isinstance(subelement, Part.Vertex):
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_vertex_index = int(obj.SubElementNames[index][V:]) - 1
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_cmd = 'Draft.rotateVertex'
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_cmd += '('
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_cmd += 'FreeCAD.ActiveDocument.'
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_cmd += obj.ObjectName + ', '
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_cmd += str(_vertex_index) + ', '
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_cmd += str(math.degrees(self.angle)) + ', '
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_cmd += DraftVecUtils.toString(self.center) + ', '
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_cmd += DraftVecUtils.toString(plane.axis)
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_cmd += ')'
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command.append(_cmd)
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elif isinstance(subelement, Part.Edge):
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_edge_index = int(obj.SubElementNames[index][E:]) - 1
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_cmd = 'Draft.rotateEdge'
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_cmd += '('
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_cmd += 'FreeCAD.ActiveDocument.'
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_cmd += obj.ObjectName + ', '
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_cmd += str(_edge_index) + ', '
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_cmd += str(math.degrees(self.angle)) + ', '
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_cmd += DraftVecUtils.toString(self.center) + ', '
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_cmd += DraftVecUtils.toString(plane.axis)
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_cmd += ')'
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command.append(_cmd)
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command.append('FreeCAD.ActiveDocument.recompute()')
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return command
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def rotate_object(self, is_copy):
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"""Move the object."""
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plane = App.DraftWorkingPlane
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_doc = 'FreeCAD.ActiveDocument.'
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_selected = self.selected_objects
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objects = '['
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objects += ','.join([_doc + obj.Name for obj in _selected])
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objects += ']'
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_cmd = 'Draft.rotate'
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_cmd += '('
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_cmd += objects + ', '
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_cmd += str(math.degrees(self.angle)) + ', '
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_cmd += DraftVecUtils.toString(self.center) + ', '
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_cmd += 'axis=' + DraftVecUtils.toString(plane.axis) + ', '
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_cmd += 'copy=' + str(is_copy)
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_cmd += ')'
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_cmd_list = [_cmd,
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'FreeCAD.ActiveDocument.recompute()']
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_mode = "Copy" if is_copy else "Rotate"
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Gui.addModule("Draft")
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self.commit(translate("draft", _mode),
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_cmd_list)
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def numericInput(self, numx, numy, numz):
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"""Validate the entry fields in the user interface.
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This function is called by the toolbar or taskpanel interface
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when valid x, y, and z have been entered in the input fields.
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"""
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self.center = App.Vector(numx, numy, numz)
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self.node = [self.center]
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self.arctrack.setCenter(self.center)
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for ghost in self.ghosts:
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ghost.center(self.center)
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self.ui.radiusUi()
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self.ui.hasFill.hide()
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self.ui.labelRadius.setText(translate("draft", "Base angle"))
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_tip = "The base angle you wish to start the rotation from"
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self.ui.radiusValue.setToolTip(translate("draft", _tip))
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self.ui.radiusValue.setText(U.Quantity(0, U.Angle).UserString)
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self.step = 1
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_msg(translate("draft", "Pick base angle"))
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def numericRadius(self, rad):
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"""Validate the radius entry field in the user interface.
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This function is called by the toolbar or taskpanel interface
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when a valid radius has been entered in the input field.
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"""
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if self.step == 1:
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self.ui.labelRadius.setText(translate("draft", "Rotation"))
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_tip = ("The amount of rotation you wish to perform.\n"
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"The final angle will be the base angle "
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"plus this amount.")
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self.ui.radiusValue.setToolTip(translate("draft", _tip))
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self.ui.radiusValue.setText(U.Quantity(0, U.Angle).UserString)
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self.firstangle = math.radians(rad)
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self.arctrack.setStartAngle(self.firstangle)
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self.arctrack.on()
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for ghost in self.ghosts:
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ghost.on()
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self.step = 2
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_msg(translate("draft", "Pick rotation angle"))
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else:
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self.angle = math.radians(rad)
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self.rotate(self.ui.isCopy.isChecked())
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self.finish(cont=True)
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Gui.addCommand('Draft_Rotate', Rotate())
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