131 lines
5.9 KiB
Python
131 lines
5.9 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2023 edi <edi271@a1.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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"""
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Provides the TechDraw PositionSectionView GuiCommand.
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00.01 2021/03/17 C++ Basic version
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00.02 2023/12/21 Option to select an edge and it's corresponding vertex
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"""
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__title__ = "TechDrawTools.CommandPositionSectionView"
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__author__ = "edi"
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__url__ = "https://www.freecad.org"
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__version__ = "00.02"
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__date__ = "2023/12/21"
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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 TechDrawTools.TDToolsUtil as Utils
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class CommandPositionSectionView:
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"""Orthogonally align a section view with its source view."""
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def __init__(self):
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"""Initialize variables for the command that must exist at all times."""
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pass
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def GetResources(self):
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"""Return a dictionary with data that will be used by the button or menu item."""
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return {'Pixmap': 'TechDraw_ExtensionPositionSectionView.svg',
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'Accel': "",
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'MenuText': QT_TRANSLATE_NOOP("TechDraw_PositionSectionView", "Position Section View"),
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'ToolTip': QT_TRANSLATE_NOOP("TechDraw_PositionSectionView",
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"Orthogonally align a section view with its source view:<br>\
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- Select a single section view<br>\
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- Click this tool<br>\
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- optional: select one edge in the section view and it's corresponding vertex in the base view<br>\
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Click this tool")}
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def Activated(self):
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"""Run the following code when the command is activated (button pressed)."""
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selection = Gui.Selection.getSelectionEx()
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if not selection:
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return
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if len(selection) == 1:
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if Utils.getSelView():
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sectionView = Utils.getSelView()
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if sectionView.TypeId == 'TechDraw::DrawViewSection':
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baseView = sectionView.BaseView
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if baseView.TypeId == "TechDraw::DrawProjGroupItem":
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baseView = baseView.InList[0]
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basePoint = App.Vector(baseView.X,baseView.Y,0.0)
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sectionPoint = App.Vector(sectionView.X,sectionView.Y,0.0)
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moveVector = sectionPoint.sub(basePoint)
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if abs(moveVector.x) > abs(moveVector.y):
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moveVector.x = 0.0
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else:
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moveVector.y = 0.0
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else:
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return
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elif len(selection) == 2:
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if Utils.getSelEdges() and Utils.getSelVertexes(1,1):
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sectionEdge = Utils.getSelEdges()
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sectionDir = sectionEdge[0].Curve.Direction
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sectionSel = sectionEdge[0].Vertexes
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baseSel = Utils.getSelVertexes(1,1)
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sectionView = Utils.getSelView(0)
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baseView = Utils.getSelView(1)
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if baseView.TypeId == "TechDraw::DrawProjGroupItem":
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baseView = baseView.InList[0]
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basePoint = baseSel[0].Point
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sectionPoint = sectionSel[0].Point
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Scale = baseView.Scale
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centerBase = App.Vector(baseView.X,baseView.Y,0)
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basePoint = centerBase+basePoint*Scale
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centerSection = App.Vector(sectionView.X,sectionView.Y,0)
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sectionPoint = centerSection+sectionPoint*Scale
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sectionPoint = self.getTrianglePoint(sectionPoint,sectionDir,basePoint)
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moveVector = sectionPoint.sub(basePoint)
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else:
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return
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sectionView.X = sectionView.X.Value-moveVector.x
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sectionView.Y = sectionView.Y.Value-moveVector.y
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def IsActive(self):
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"""Return True when the command should be active or False when it should be disabled (greyed)."""
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if App.ActiveDocument:
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return Utils.havePage() and Utils.haveView()
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else:
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return False
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def getTrianglePoint(self,p1,dir,p2):
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'''
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Get third point of a perpendicular triangle
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p1, p2 ...vertexes of hypothenusis, dir ...direction of one kathete, p3 ...3rd vertex
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'''
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a = -dir.y
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b = dir.x
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c1 = p1.x * a + p1.y * b
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c2 = -p2.x * b + p2.y * a
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ab = a * a + b * b
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x = (c1 * a - c2 * b) / ab
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y = (c2 * a + c1 * b) / ab
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return App.Vector(x,y,0.0)
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# The command must be "registered" with a unique name by calling its class.
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Gui.addCommand('TechDraw_ExtensionPositionSectionView', CommandPositionSectionView())
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