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Asm4_Measure.py
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Asm4_Measure.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#****************************************************************************
#* *
#* by Zoltan Hubert *
#* *
#* code partially based on: *
#* *
#* Caliper tool, icons by easyw-fc *
#* evolution of Macro_CenterFace *
#* some part of Macro WorkFeature *
#* and Macro Rotate To Point, Macro_Delta_xyz *
#* and assembly2 *
#* *
#* Measure tool *
#* *
#* This is a stand-alone tool that doesn't need anything outside Part *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Library 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. *
#****************************************************************************
import threading, sys, math, os
import numpy as np
import base64
from PySide import QtGui, QtCore
from pivy import coin
import FreeCADGui as Gui
import FreeCAD as App
from FreeCAD import Base
from FreeCAD import Console as FCC
import Part
# only needed for icons
import Asm4_libs as Asm4
import selectionFilter
"""
+-----------------------------------------------+
| Global variables |
+-----------------------------------------------+
"""
global taskUI, addedDims, PtS, Asm4_3DselObserver
addedDims = []
PtS = None
annoFontSize = 12.0
annoPrecision = 0.001
iconDir = Asm4.iconPath
# remove previous snap point
def removePtS():
global PtS
if PtS and hasattr(PtS,'Name') and App.ActiveDocument.getObject(PtS.Name):
App.ActiveDocument.removeObject(PtS.Name)
PtS = None
# usage:
# object = App.ActiveDocument.addObject('App::FeaturePython','objName')
# object.ViewObject.Proxy = setCustomIcon(object,'Icon.svg')
# import base64
# encoded = base64.b64encode(open("filename.png", "rb").read())
class setCustomIcon():
def __init__( self, obj, iconFile ):
icon = os.path.join( iconDir , iconFile )
self.customIcon = icon
def getIcon(self):
return self.customIcon
"""
+-----------------------------------------------+
| The menu and toolbar command |
+-----------------------------------------------+
"""
class MeasureCmd():
def __init__(self):
super(MeasureCmd,self).__init__()
def GetResources(self):
return {"MenuText": "Measure",
"ToolTip": "Measure Tool",
"Pixmap" : os.path.join( iconDir , 'Part_Measure.svg')
}
def IsActive(self):
if App.ActiveDocument:
return True
return False
def Activated(self):
Gui.Control.showDialog( MeasureUI() )
"""
+-----------------------------------------------+
| The UI and functions in the Task panel |
+-----------------------------------------------+
"""
class MeasureUI():
def __init__(self):
self.base = QtGui.QWidget()
self.form = self.base
iconFile = os.path.join( iconDir , 'Part_Measure.svg')
self.form.setWindowIcon(QtGui.QIcon( iconFile ))
self.form.setWindowTitle('Measure')
# remove selectionFilter
global Asm4_3DselObserver
self.selectionFilterStatus = selectionFilter.observerStatus()
selectionFilter.observerDisable()
selectionFilter.uncheckAll()
# draw the GUI, objects are defined later down
self.drawUI()
global taskUI
taskUI = self
global PtS
global addedDims
# start the observer
Gui.Selection.clearSelection()
#self.so=SelObserverCaliper()
self.so = selectionObserver()
Gui.Selection.addObserver( self.so, 1 ) # 1 = resolve
FCC.PrintMessage('Observer started\n')
# enable the measurement points
self.Selection1.setEnabled(True)
self.Selection1.setChecked(False)
self.Selection2.setEnabled(False)
self.sel1Icon.setIcon(QtGui.QIcon(self.selectIcon))
# init finished
# standard FreeCAD Task panel buttons
def getStandardButtons(self):
return QtGui.QDialogButtonBox.Cancel | QtGui.QDialogButtonBox.Reset | QtGui.QDialogButtonBox.Ok
# OK button
def accept(self):
# update the Measure group to get rid if the small overlay icon
App.ActiveDocument.recompute()
self.Finish()
# Cancel button
def reject(self):
self.Reset()
self.Finish()
# Reset button
def clicked(self, button):
if button == QtGui.QDialogButtonBox.Reset:
self.Reset()
# Close
def Finish(self):
FCC.PrintMessage("closing ... ")
try:
Gui.Selection.removeObserver(self.so) # uninstall the resident SelObserver function
FCC.PrintMessage("done\n")
except:
FCC.PrintWarning("was not able to remove observer\n")
# remove PtS because it can have strange results
removePtS()
# close Task widget
Gui.Control.closeDialog()
# Reset (clear measures)
def Reset(self):
global PtS, addedDims
Gui.Selection.clearSelection()
self.clearConsole()
FCC.PrintMessage('Removing all measurements ...')
removePtS()
for d in addedDims:
FCC.PrintMessage('.')
try:
App.ActiveDocument.removeObject(d.Name)
except:
pass
addedDims=[]
# also remove the "Measures" group if any
if App.ActiveDocument.getObject('Measures') and \
App.ActiveDocument.getObject('Measures').TypeId=='App::DocumentObjectGroup':
App.ActiveDocument.removeObject('Measures')
# clear UI
self.sel1Name.clear()
self.sel2Name.clear()
self.sel1Icon.setIcon(QtGui.QIcon(self.selectIcon))
self.sel2Icon.setIcon(QtGui.QIcon(self.noneIcon))
self.Selection1.setEnabled(True)
self.Selection1.setChecked(False)
self.Selection2.setEnabled(False)
self.resultText.clear()
FCC.PrintMessage(' done\n')
# clear report view and Python panel
def clearConsole(self):
#clearing previous messages
mw = Gui.getMainWindow()
#c=mw.findChild(QtGui.QPlainTextEdit, "Python console")
#c.clear()
rv = mw.findChild(QtGui.QTextEdit, "Report view")
rv.clear()
# Actions
#
# when changing the measurement type, reset pre-existing selection
def onMeasure_toggled(self):
global PtS
self.Selection1.setChecked(False)
self.Selection2.setEnabled(False)
Gui.Selection.clearSelection()
removePtS()
self.sel1Icon.setIcon(QtGui.QIcon(self.selectIcon))
self.sel2Icon.setIcon(QtGui.QIcon(self.noneIcon))
# Angle dimensions only work with Snap selection
if self.rbAngle.isChecked():
self.rbShape.setChecked(True)
# re-initialize Selection 1
def onSel1_toggled(self):
if not self.Selection1.isChecked() and self.Selection2.isEnabled():
self.Selection1.setChecked(False)
self.sel1Name.clear()
self.Selection2.setEnabled(False)
Gui.Selection.clearSelection()
removePtS()
self.sel1Icon.setIcon(QtGui.QIcon(self.selectIcon))
self.sel2Icon.setIcon(QtGui.QIcon(self.noneIcon))
else:
if not self.Selection2.isEnabled():
self.Selection1.setChecked(False)
self.sel1Icon.setIcon(QtGui.QIcon(self.selectIcon))
#self.sel2Icon.setIcon(QtGui.QIcon(self.noneIcon))
# Angle can be measured only between shapes
def onSnap_toggled(self):
if self.rbAngle.isChecked() and self.rbSnap.isChecked():
self.rbDistance.setChecked(True)
# defines the UI, only static elements
def drawUI(self):
iconSize = 32
btSize = 48
btn_sizeX=32;btn_sizeY=32;
btn_sizeX=32;btn_sizeY=32;
chkb_sizeX=20;chkb_sizeY=20;
btn_sm_sizeX=20;btn_sm_sizeY=20;
btn_md_sizeX=26;btn_md_sizeY=26;
# icons of UI
pm = QtGui.QPixmap()
self.noneIcon = None
pm.loadFromData(base64.b64decode( valid_b64 ))
self.validIcon = QtGui.QIcon(pm)
pm.loadFromData(base64.b64decode( select_b64 ))
self.selectIcon = QtGui.QIcon(pm)
# icons for the tree
self.pointIcon = 'Draft_Point.svg'
self.lineIcon = 'Draft_Line.svg'
self.circleIcon = 'Draft_Circle.svg'
self.dimensionIcon = 'Draft_Dimension.svg'
# the layout for the main window is vertical (top to down)
self.mainLayout = QtGui.QVBoxLayout(self.form)
self.mainLayout.addWidget(QtGui.QLabel('Controls'))
# measurement type
self.measureGroup = QtGui.QFrame(self.form)
self.measureGroup.setFrameStyle(QtGui.QFrame.StyledPanel | QtGui.QFrame.Plain)
self.mainLayout.addWidget(self.measureGroup)
self.measureGrid = QtGui.QGridLayout(self.measureGroup)
# self.mainLayout.addLayout(self.measureGrid)
# 0,0
pm.loadFromData(base64.b64decode(Dim_Radius_b64))
self.rbRadius = QtGui.QRadioButton(self.measureGroup)
self.rbRadius.setObjectName("rbRadius")
self.rbRadius.setToolTip("Measure Radius of Arc or Circle\nMeasure Length of Edge")
self.rbRadius.setIconSize(QtCore.QSize(btn_md_sizeX,btn_md_sizeY))
self.rbRadius.setIcon(QtGui.QIcon(pm))
self.rbRadius.setChecked(True)
self.measureGrid.addWidget(self.rbRadius, 0, 0 )
# 0,1
pm.loadFromData(base64.b64decode(Dim_Length_b64))
self.rbDistance = QtGui.QRadioButton(self.measureGroup)
self.rbDistance.setObjectName("rbDistance")
self.rbDistance.setToolTip("Measure Distance")
self.rbDistance.setIconSize(QtCore.QSize(btn_md_sizeX,btn_md_sizeY))
self.rbDistance.setIcon(QtGui.QIcon(pm))
self.measureGrid.addWidget(self.rbDistance, 0, 1 )
# 0,2
pm.loadFromData(base64.b64decode(Dim_Angle_b64))
self.rbAngle = QtGui.QRadioButton(self.measureGroup)
self.rbAngle.setObjectName("rbAngle")
self.rbAngle.setToolTip("Measure Angle")
self.rbAngle.setIconSize(QtCore.QSize(btn_md_sizeX,btn_md_sizeY))
self.rbAngle.setIcon(QtGui.QIcon(pm))
self.measureGrid.addWidget(self.rbAngle, 0, 2 )
# actual measurement tools
self.snapGroup = QtGui.QFrame(self.form)
self.snapGroup.setFrameStyle(QtGui.QFrame.StyledPanel | QtGui.QFrame.Plain)
# self.snapGroup.setTitle("Selection method")
self.mainLayout.addWidget(self.snapGroup)
self.snapGrid = QtGui.QGridLayout(self.snapGroup)
# self.mainLayout.addLayout(self.snapGrid)
# original snap/selection tools
# 0,0
pm.loadFromData(base64.b64decode(Snap_Options_b64))
self.rbSnap = QtGui.QRadioButton(self.snapGroup)
self.rbSnap.setObjectName("rbSnap")
self.rbSnap.setToolTip("Snap to EndPoint, MiddlePoint, Center")
self.rbSnap.setIconSize(QtCore.QSize(3*btn_md_sizeX,btn_md_sizeY))
self.rbSnap.setIcon(QtGui.QIcon(pm))
self.rbSnap.setChecked(False)
self.snapGrid.addWidget(self.rbSnap, 0, 0, 1, 2 )
# 0,2
pm.loadFromData(base64.b64decode(Center_Mass_b64))
self.rbShape = QtGui.QRadioButton(self.snapGroup)
self.rbShape.setObjectName("rbShape")
self.rbShape.setToolTip("Select Shape")
self.rbShape.setIconSize(QtCore.QSize(btn_md_sizeX,btn_md_sizeY))
self.rbShape.setIcon(QtGui.QIcon(pm))
self.rbShape.setChecked(True)
self.snapGrid.addWidget(self.rbShape, 0, 2 )
'''
# TODO : make this selectionFilter be applied
# new snap/select tools
self.selGroup = QtGui.QFrame(self.form)
self.selGroup.setFrameStyle(QtGui.QFrame.StyledPanel | QtGui.QFrame.Plain)
self.mainLayout.addWidget(self.selGroup)
self.selGrid = QtGui.QGridLayout(self.selGroup)
# 0,0 SnapCenter
pm.loadFromData(base64.b64decode(SnapCenter_b64))
self.selCenter = QtGui.QPushButton(self.selGroup)
self.selCenter.setObjectName("selCenter")
self.selCenter.setToolTip("Select Circle Center")
self.selCenter.setIconSize(QtCore.QSize(btn_md_sizeX,btn_md_sizeY))
self.selCenter.setIcon(QtGui.QIcon(pm))
self.selCenter.setCheckable(True)
self.selCenter.setChecked(False)
self.selCenter.setFlat(True)
self.selGrid.addWidget(self.selCenter, 0, 0 )
# 0,1 SnapVertex
pm.loadFromData(base64.b64decode(SnapVertex_b64))
self.selVertex = QtGui.QPushButton(self.selGroup)
self.selVertex.setObjectName("selVertex")
self.selVertex.setToolTip("Select Vertex")
self.selVertex.setIconSize(QtCore.QSize(btn_md_sizeX,btn_md_sizeY))
self.selVertex.setIcon(QtGui.QIcon(pm))
self.selVertex.setCheckable(True)
self.selVertex.setChecked(False)
self.selVertex.setFlat(True)
self.selGrid.addWidget(self.selVertex, 0, 1 )
# 0,2 SnapEdge
pm.loadFromData(base64.b64decode(SnapEdge_b64))
self.selEdge = QtGui.QPushButton(self.selGroup)
self.selEdge.setObjectName("selEdge")
self.selEdge.setToolTip("Select Edge")
self.selEdge.setIconSize(QtCore.QSize(btn_md_sizeX,btn_md_sizeY))
self.selEdge.setIcon(QtGui.QIcon(pm))
self.selEdge.setCheckable(True)
self.selEdge.setChecked(False)
self.selEdge.setFlat(True)
self.selGrid.addWidget(self.selEdge, 0, 2 )
# 0,3 SnapFace
pm.loadFromData(base64.b64decode(SnapFace_b64))
self.selFace = QtGui.QPushButton(self.selGroup)
self.selFace.setObjectName("selFace")
self.selFace.setToolTip("Select Face")
self.selFace.setIconSize(QtCore.QSize(btn_md_sizeX,btn_md_sizeY))
self.selFace.setIcon(QtGui.QIcon(pm))
self.selFace.setCheckable(True)
self.selFace.setChecked(False)
self.selFace.setFlat(True)
self.selGrid.addWidget(self.selFace, 0, 3 )
# 0,4 SnapAll
pm.loadFromData(base64.b64decode(SelectAll_b64))
self.selShape = QtGui.QPushButton(self.selGroup)
self.selShape.setObjectName("selShape")
self.selShape.setToolTip("Select any Shape")
self.selShape.setIconSize(QtCore.QSize(btn_md_sizeX,btn_md_sizeY))
self.selShape.setIcon(QtGui.QIcon(pm))
self.selShape.setCheckable(True)
self.selShape.setChecked(True)
self.selShape.setFlat(True)
self.selGrid.addWidget(self.selShape, 0, 4 )
# exclusive buttons
self.buttonGroup = QtGui.QButtonGroup(self.selGroup)
self.buttonGroup.setExclusive(True)
self.buttonGroup.addButton(self.selCenter)
self.buttonGroup.addButton(self.selVertex)
self.buttonGroup.addButton(self.selEdge)
self.buttonGroup.addButton(self.selFace)
self.buttonGroup.addButton(self.selShape)
'''
# select elements
self.selectGrid = QtGui.QGridLayout()
# first element
self.Selection1 = QtGui.QPushButton('Selection 1')
self.Selection1.setToolTip("Select First Element")
self.Selection1.setMaximumWidth(150)
self.Selection1.setCheckable(True)
self.Selection1.setChecked(False)
self.sel1Name = QtGui.QLineEdit()
self.sel1Name.setMinimumWidth (50)
self.sel1Name.setReadOnly(True)
self.sel1Icon = QtGui.QPushButton()
self.sel1Icon.setFlat(True)
self.sel1Icon.setMinimumSize(QtCore.QSize(iconSize, iconSize))
self.sel1Icon.setMaximumSize(QtCore.QSize(iconSize, iconSize))
self.sel1Icon.setIconSize(QtCore.QSize(iconSize,iconSize))
self.sel1Icon.setIcon(QtGui.QIcon(self.noneIcon))
self.selectGrid.addWidget(self.Selection1, 0,0)
self.selectGrid.addWidget(self.sel1Name, 0,1)
self.selectGrid.addWidget(self.sel1Icon, 0,2)
# second element
self.Selection2 = QtGui.QPushButton('Selection 2')
self.Selection2.setToolTip("Select Second Element")
self.Selection2.setMaximumWidth(150)
self.Selection2.setEnabled(False)
self.Selection2.setChecked(False)
self.sel2Name = QtGui.QLineEdit()
self.sel2Name.setMinimumWidth (50)
self.sel2Name.setReadOnly(True)
self.sel2Icon = QtGui.QPushButton()
self.sel2Icon.setFlat(True)
self.sel2Icon.setMinimumSize(QtCore.QSize(iconSize, iconSize))
self.sel2Icon.setMaximumSize(QtCore.QSize(iconSize, iconSize))
self.sel2Icon.setIconSize(QtCore.QSize(iconSize,iconSize))
self.sel2Icon.setIcon(QtGui.QIcon(self.noneIcon))
self.selectGrid.addWidget(self.Selection2, 1,0)
self.selectGrid.addWidget(self.sel2Name, 1,1)
self.selectGrid.addWidget(self.sel2Icon, 1,2)
self.mainLayout.addLayout(self.selectGrid)
# Results
# draw annotation in the GUI window
self.bLabel = QtGui.QCheckBox()
self.bLabel.setObjectName("bLabel")
self.bLabel.setToolTip("Enable extra Label")
self.bLabel.setText("Show Label in 3D view")
self.bLabel.setChecked(True)
self.mainLayout.addWidget(self.bLabel)
# draw X-Y-Z components
self.Components = QtGui.QCheckBox()
self.Components.setObjectName("Components")
self.Components.setToolTip("Show all dimension components")
self.Components.setText("Show Components")
self.Components.setChecked(False)
self.mainLayout.addWidget(self.Components)
# Results
self.mainLayout.addWidget(QtGui.QLabel('Results'))
self.resultText = QtGui.QTextEdit()
self.resultText.setMinimumSize(200, 200)
self.resultText.setReadOnly(True)
self.mainLayout.addWidget(self.resultText)
# Actions
self.rbRadius.toggled.connect(self.onMeasure_toggled)
self.rbDistance.toggled.connect(self.onMeasure_toggled)
self.rbAngle.toggled.connect(self.onMeasure_toggled)
#self.rbAngle.toggled.connect(self.onAngle_toggled)
self.rbSnap.toggled.connect(self.onSnap_toggled)
self.Selection1.toggled.connect(self.onSel1_toggled)
"""
+-----------------------------------------------+
| a selection observer resident function |
+-----------------------------------------------+
"""
class selectionObserver():
def __init__(self):
global PtS
self.Sel1 = None
self.Shp1 = None
self.Pt1 = None
self.Sel2 = None
self.Shp2 = None
self.Pt2 = None
PtS = None
def render_distance(self, distance: float) -> str:
return App.Units.schemaTranslate(
App.Units.Quantity(str(distance) + " mm"),
App.Units.getSchema(),
)[0]
# add the dim to the global addedDims table to be able to remove it
# add it also the "Measures" group
def addToDims( self, dim ):
global addedDims
# check whether there is a "Measures" group
if not App.ActiveDocument.getObject('Measures'):
# if no, create one
measuresGroup = App.ActiveDocument.addObject( 'App::DocumentObjectGroup', 'Measures' )
# if there is already one, use it
elif App.ActiveDocument.getObject('Measures').TypeId=='App::DocumentObjectGroup':
measuresGroup = App.ActiveDocument.getObject('Measures')
# there is already a "Measures" object but it's not a Group, don't use it
else:
measuresGroup = None
if measuresGroup:
measuresGroup.addObject(dim)
# finally, add the dim to the global addedDims table/list
addedDims.append(dim)
# the real function
def addSelection(self, document, obj, element, position):
global taskUI
global PtS
fntsize='0.25mm'
ticksize='0.1mm'
# Select a subObject w/ the full hierarchy information
# empty string means current document, '*' means all document.
# The second argument 1 means resolve sub-object, which is the default value. 0 means full hierarchy.
# sel = Gui.Selection.getSelectionEx('', 0)[0].SubObjects[0]
selEx = Gui.Selection.getSelectionEx('', 0)
if len(Gui.Selection.getSelection()) == 1 or len(selEx) == 1:# or (len(selobject) == 1 and len(sel) == 1):
selObj = Gui.Selection.getSelection()[0]
#Faces or Edges
if len(selEx[0].SubObjects)>0:
subShape = selEx[0].SubObjects[0]
# we have selected an LCS, this needs special treatment
if selObj.TypeId == 'PartDesign::CoordinateSystem':
globalPlacement = App.Placement()
'''
# get the selection hierarchy
( obj, tree ) = Asm4.getSelectionTree()
# double-check, should always be true
if selObj == obj:
# first object is always in the current document
doc = App.ActiveDocument
# we parse the tree and cumulate the Placements
for objName in tree:
obj = doc.getObject(objName)
# Groups don't have Placement properties, ignore
if hasattr(obj,'Placement'):
globalPlacement *= obj.Placement
# if *this* object is a link to an *external* document, switch to that document
# necessary because links can be in the *current* document also
if obj.isDerivedFrom('App::Link') and obj.LinkedObject.Document != App.ActiveDocument:
doc = obj.LinkedObject.Document
# else, keep the same document
else:
pass
'''
# from https://forum.freecad.org/viewtopic.php?p=569083#p569083
# retType=3 returns the placement. Check the doc string for more info
# simplyfied version for single selection
path = selEx[0].SubElementNames[0]
globalPlacement = selEx[0].Object.getSubObject(path, retType=3)
# create a point at the origin of the LCS
base = globalPlacement.Base
PtS = self.drawPoint( App.Vector(base.x,base.y,base.z) )
subShape = PtS.Shape
# if valid selection
if subShape.isValid() and ('Face' in str(subShape) or 'Edge' in str(subShape) or 'Vertex' in str(subShape)):
# clear the result area
taskUI.resultText.clear()
removePtS()
# first element selection
if not taskUI.Selection1.isChecked():
# figure out the first selected element
self.Sel1 = None
self.Shp1 = None
self.Pt1 = None
self.Sel2 = None
self.Shp2 = None
self.Pt2 = None
#taskUI.sel1Name.setText(str(subShape))
taskUI.sel1Name.setText(str(subShape).split(' ')[0][1:])
taskUI.sel2Name.clear() # shape selected
if taskUI.rbShape.isChecked():
# the shape is actually a vertex, thus a point
if 'Vertex' in str(subShape):
self.Pt1 = subShape.Vertexes[0].Point
PtS = self.drawPoint(self.Pt1)
self.Sel1 = 'point'
# all other (real) shapes
else:
self.Shp1 = subShape
self.Sel1 = 'shape'
# Snap to select a point
elif taskUI.rbSnap.isChecked():
self.Pt1 = self.getSnap(subShape)
if self.Pt1:
PtS = self.drawPoint(self.Pt1)
self.Sel1 = 'point'
# this measures single objects
if taskUI.rbRadius.isChecked():
# if we have snapped a point before, we show its coordinates
if self.Sel1 == 'point':
self.measureCoords(self.Pt1)
# if we have selected a shape before, we show its characteristics
elif self.Sel1 == 'shape':
# a surface
if 'Face' in str(self.Shp1):
self.measureArea(self.Shp1)
# a point (should have been caught before)
elif 'Vertex' in str(self.Shp1):
self.measureCoords( self.Shp1 )
# a circle or arc of circle
# elif hasattr(self.Shp1,'Curve') and hasattr(self.Shp1.Curve,'Radius'):
elif self.isCircle(self.Shp1):
taskUI.sel1Name.setText('Circle')
self.measureCircle( self.Shp1 )
# a straight line segment
#elif hasattr(self.Shp1,'Curve') and self.Shp1.Curve.TypeId=='Part::GeomLine':
elif self.isSegment(self.Shp1):
taskUI.sel1Name.setText('Segment')
self.measureLine( self.Shp1 )
# dunno what that stuff is
else:
self.printResult("Can't measure\n"+str(self.Shp1))
# dunno what that stuff is
else:
self.printResult("Can't measure\n"+str(subShape))
# unset first selection
self.Sel1 is None
# if not rbRadius, launch the selection of the second element
elif self.Sel1 is not None:
#taskUI.Selection1.setEnabled(False)
taskUI.Selection2.setEnabled(True)
taskUI.Selection1.setChecked(True)
taskUI.sel1Icon.setIcon(QtGui.QIcon(taskUI.validIcon))
taskUI.sel2Icon.setIcon(QtGui.QIcon(taskUI.selectIcon))
# second element selected
elif taskUI.Selection2.isEnabled(): #step #2
#if PtS and ha#sattr(PtS,'Name') and App.ActiveDocument.getObject(PtS.Name):
# App.ActiveDocument.removeObject(PtS.Name)
# PtS = None
# figure out the second selected element
taskUI.sel2Name.setText(str(subShape).split(' ')[0][1:])
if taskUI.rbShape.isChecked():
self.Sel2 = 'shape'
self.Shp2 = subShape
# Snap to select a point
elif taskUI.rbSnap.isChecked():
self.Pt2 = self.getSnap(subShape)
if self.Pt2:
self.Sel2 = 'point'
# if we have a valid selection:
if self.Sel2 is not None:
taskUI.Selection2.setEnabled(False)
taskUI.Selection1.setChecked(False)
taskUI.sel1Icon.setIcon(QtGui.QIcon(taskUI.selectIcon))
taskUI.sel2Icon.setIcon(QtGui.QIcon(taskUI.validIcon))
removePtS()
# Measure distance
if taskUI.rbDistance.isChecked():
# make a vertex shape out of a point
if self.Pt1 and self.Sel1=='point':
self.Shp1 = Part.Vertex(Part.Point( self.Pt1 ))
self.Sel1 = 'shape'
if self.Pt2 and self.Sel2=='point':
self.Shp2 = Part.Vertex(Part.Point( self.Pt2 ))
self.Sel2 = 'shape'
if self.Sel1=='shape' and self.Sel2=='shape':
self.distShapes(self.Shp1,self.Shp2)
# unexpected behaviour
else:
self.printResult( 'ERROR 42\n'+str(self.Shp1)+'\n'+str(self.Shp2) )
# Measure angle
elif taskUI.rbAngle.isChecked():
if self.Sel1=='shape' and self.Sel2=='shape':
self.angleShapes( self.Shp1, self.Shp2 )
else:
self.printResult( 'Select only faces or lines' )
# some problem
else:
self.printResult( 'ERROR 44\n'+str(self.Shp2) )
# not valid selection
else:
self.printResult('ERROR 40\n'+str(subShape))
# uses BRepExtrema_DistShapeShape to calculate the distance between 2 shapes
def angleShapes( self, shape1, shape2 ):
global taskUI
if shape1.isValid() and shape2.isValid():
Gui.Selection.clearSelection()
self.printResult( 'Measuring angles' )
# Datum object
if shape1.BoundBox.DiagonalLength > 1e+10:
pt1 = shape1.Placement.Base
else:
pt1 = shape1.BoundBox.Center
# Datum object
if shape2.BoundBox.DiagonalLength > 1e+10:
pt2 = shape2.Placement.Base
else:
pt2 = shape2.BoundBox.Center
# get the direction of the shape
dir1 = self.getDir(shape1)
dir2 = self.getDir(shape2)
if dir1 and dir2:
distance = -1
angle = dir1.getAngle(dir2)*180./math.pi
# 2 flat faces
if self.isFlatFace(shape1) and self.isFlatFace(shape2):
angle = 180 - angle
else:
# 1 flat face and 1 direction
if self.isFlatFace(shape1) or self.isFlatFace(shape2):
angle = 90 - angle
if angle > 90:
angle = 180. - angle
# parallel directions
if abs(angle) < 1.0e-6 or abs(180-angle)<1.0e-6:
v1 = Part.Vertex(Part.Point( pt1 ))
v2 = Part.Vertex(Part.Point( pt2 ))
distance = v1.distToShape(v2)[0]
self.printAngle( angle, distance )
try:
self.drawLine(pt1,pt2,'Angle')
self.annoAngle( self.midPoint(pt1,pt2), angle, distance )
except:
pass
else:
self.printResult('Ivalid directions')
else:
self.printResult('Ivalid shapes')
# uses BRepExtrema_DistShapeShape to calculate the distance between 2 shapes
def distShapes( self, shape1, shape2 ):
global taskUI
if shape1.isValid() and shape2.isValid():
Gui.Selection.clearSelection()
measure = shape1.distToShape(shape2)
if measure and self.isVector(measure[1][0][0]) and self.isVector(measure[1][0][1]):
dist = measure[0]
self.printResult('Minimum Distance :\n '+str(dist))
if dist > 1.0e-9:
pt1 = measure[1][0][0]
pt2 = measure[1][0][1]
self.measurePoints(pt1,pt2)
else:
self.printResult('Ivalid shapes')
# measure a straight line
def measureLine(self, line ):
global taskUI
if self.isSegment(line):
pt1 = line.Vertexes[0].Point
pt2 = line.Vertexes[1].Point
Gui.Selection.clearSelection()
self.drawLine(pt1,pt2,'Length')
dx = pt1[0]-pt2[0]
dy = pt1[1]-pt2[1]
dz = pt1[2]-pt2[2]
length = line.Length
text = 'Length = '+self.render_distance(length)+'\n'
text += "ΔX = "+self.render_distance(dx)+"\n"
text += 'ΔY = '+self.render_distance(dy)+'\n'
text += 'ΔZ = '+self.render_distance(dz)
# self.printResult( 'Measuring length of\n'+str(line) )
self.printResult( text )
if taskUI.bLabel.isChecked():
mid = line.BoundBox.Center
if taskUI.Components.isChecked():
anno = ['L = '+self.arrondi(length),'ΔX = '+self.arrondi(dx), \
'ΔY = '+self.arrondi(dy), 'ΔZ = '+self.arrondi(dz) ]
else:
anno = ['L = '+self.render_distance(length)]
self.drawAnnotation( mid, anno )
else:
self.printResult( 'Not a valid Line\n'+str(line) )
# measure distance between 2 points
def measurePoints(self, pt1, pt2 ):
global taskUI
mid = self.midPoint(pt1,pt2)
if mid:
Gui.Selection.clearSelection()
self.drawLine(pt1,pt2,'DistPoints')
dx = pt1[0]-pt2[0]
dy = pt1[1]-pt2[1]
dz = pt1[2]-pt2[2]
dist = math.sqrt(dx*dx + dy*dy + dz*dz)
text = 'Distance = '+self.render_distance(dist)+'\n'
text += "ΔX : "+self.render_distance(dx)+"\n"
text += 'ΔY : '+self.render_distance(dy)+'\n'
text += 'ΔZ : '+self.render_distance(dz)
# self.printResult( 'Measuring length of\n'+str(line) )
self.printResult( text )
if taskUI.bLabel.isChecked():
if taskUI.Components.isChecked():
anno = ['D = '+self.render_distance(dist), 'ΔX = '+self.arrondi(dx),
'ΔY = '+self.arrondi(dy), 'ΔZ = '+self.arrondi(dz) ]
else:
anno = ['D = '+self.render_distance(dist)]
self.drawAnnotation( mid, anno )
else:
self.printResult( 'Not valid Points' )
# measure radius of a circle
def measureCircle(self, circle):
global taskUI, PtS
if self.isCircle(circle):
radius = circle.Curve.Radius
center = circle.Curve.Center
axis = circle.Curve.Axis
Gui.Selection.clearSelection()
self.drawCircle( radius, center, axis )
text = 'Radius : '+self.render_distance(radius)+"\n"
# if annotation is checked, show label with R = radius
text += "Diameter : "+self.render_distance(radius*2)+"\n"
text += 'Center : \n'
text += ' ( '+self.arrondi(center.x)+", "+self.arrondi(center.y)+", "+self.arrondi(center.z)+" )\n"
text += 'Axis : \n'
text += " ( "+self.arrondi(axis.x)+", "+self.arrondi(axis.y)+", "+self.arrondi(axis.z)+" )"
self.printResult(text)
if taskUI.bLabel.isChecked():
pt = circle.Vertexes[0].Point
self.drawLine(center,pt,'Radius')
self.drawAnnotation(pt, ['R = '+self.render_distance(radius)])
else:
PtS = self.drawPoint(center)
else:
self.printResult('Not a valid circle\n'+str(circle))
# figure out the direction of a shape, be it a line, a surface or a circle
def getDir( self, shape ):
direction = None
# for a segment, it's the normalized vector along the segment
if self.isSegment(shape):
line = shape
pt1 = line.Vertexes[0].Point
pt2 = line.Vertexes[1].Point
vect = (pt2.sub(pt1))
if vect.Length != 0:
direction = vect / vect.Length
# for another line (like Datum::Line) it's the Z vector
# multiplied by the Line's Placement
elif self.isLine(shape):
direction = shape.Placement.Rotation.multVec(App.Vector(0,0,1))
# for a Circle it's the circle's axis
elif self.isCircle(shape):
direction = shape.Curve.Axis
# TODO: drawAxis(circle)
# for a flt face it's the normal
elif self.isFlatFace(shape):
direction = shape.normalAt(0,0)
# TODO: drawNormal(face)
return direction
# figure out snap point of shape
def getSnap( self, shape ):
point = None
if shape.isValid():
if 'Vertex' in str(shape):
point = shape.Vertexes[0].Point
# for a circle, snap to the center
elif 'Edge' in str(shape) and hasattr(shape,'Curve') \
and hasattr(shape.Curve,'Radius'):
point = shape.Curve.Center
# as fall-back, snap to center of bounding box
elif hasattr(shape,'BoundBox'):
point = shape.BoundBox.Center
else:
self.printResult('Invalid shape\n'+str(shape))
return point
# measure the coordinates of a single point
def measureCoords(self, vertex ):
global taskUI
point = None
if self.isVector(vertex):
point = vertex
elif hasattr(vertex,'isValid') and vertex.isValid() \
and hasattr(vertex,'Vertexes') \
and len(vertex.Vertexes) > 0:
point = vertex.Vertexes[0].Point
else:
self.printResult('Not a valid point\n'+str(vertex))
if point:
#self.printResult( 'Measuring coordinates of\n'+str(vertex) )
anno = ['Coordinates :', 'X : '+self.arrondi(point.x), 'Y : '+self.arrondi(point.y), 'Z : '+self.arrondi(point.z)]
text = 'Coordinates :\n'
text += "X : "+str(point.x)+"\n"
text += 'Y : '+str(point.y)+'\n'
text += 'Z : '+str(point.z)
self.printResult(text)
if taskUI.bLabel.isChecked():
self.drawAnnotation( point, anno )
def measureArea(self, face ):
if face.isValid() and hasattr(face,'Area'):
if self.isFlatFace(face):
self.printResult('Flat face\nArea : '+str(face.Area)+'\n')
else:
self.printResult('Area : '+str(face.Area)+"\n")
else:
self.printResult('Not a valid surface\n'+str(face) )
def printDims(self, ds, dx, dy, dz, dimType='Distance'):
text = dimType+' : '+str(ds)
text += "\nΔX = "+str(dx)+"\nΔY = "+str(dy)+"\nΔZ = "+str(dz)
self.printResult(text)
def printAngle(self, angle, distance=-1 ):
global taskUI
taskUI.resultText.clear()
text = 'Angle : '+str(angle)+'°\n'
if distance != -1:
text += 'Distance // '+str(distance)
taskUI.resultText.setPlainText(text)
# print the result in the text field of the UI
def printResult(self,text):
global taskUI
taskUI.resultText.clear()
taskUI.resultText.setPlainText(text)
def drawAnnotation(self, pos, textTable ):
anno = App.ActiveDocument.addObject("App::AnnotationLabel","MeasureLbl")
anno.BasePosition = pos
# textTable is a table if strings: [ 'toto', 'titi', 'tata' ]
anno.LabelText = textTable
annoG = Gui.ActiveDocument.getObject(anno.Name)
annoG.FontSize = annoFontSize
self.addToDims(anno)
def drawCircle( self, radius, center, axis ):
global taskUI
cc = Part.makeCircle( radius, center, axis )
circle = App.ActiveDocument.addObject('Part::FeaturePython', 'aCircle')
#circle.ViewObject.Proxy = setCustomIcon(circle,'Draft_Circle.svg')
circle.ViewObject.Proxy = setCustomIcon( circle, taskUI.circleIcon )
circle.Shape = Part.Wire( cc )
circle.ViewObject.LineWidth = 5
circle.ViewObject.LineColor = ( 1.0, 1.0, 1.0 )
circle.ViewObject.PointSize = 10
circle.ViewObject.PointColor= ( 0.0, 0.0, 1.0 )
self.addToDims(circle)
def drawDim( self, pt1, pt2, name='aDim', width=2 ):
global taskUI
if pt1!=pt2:
# unit direction vector
vDir = App.Vector(pt2.sub(pt1))
uV = vDir.multiply(1/vDir.Length)
#setup the contour
color = coin.SoBaseColor()
color.rgb = (1, 1, 1)
points=coin.SoCoordinate3()
lines=coin.SoLineSet()
points.point.values = ( (0,0,0),(10,10,10),(10,10,0) )
#feed data to separator
sep=coin.SoSeparator()
sep.addChild(points)
sep.addChild(color)
sep.addChild(lines)
#add separator to sceneGraph
sg = FreeCADGui.ActiveDocument.ActiveView.getSceneGraph()
sg.addChild(sep)