Combo View dialog source hole / shaft fit
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edi271
183
src/Mod/TechDraw/TechDrawTools/TaskHoleShaftFit.py
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183
src/Mod/TechDraw/TechDrawTools/TaskHoleShaftFit.py
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# ***************************************************************************
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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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"""Provides the TechDraw HoleShaftFit Task Dialog."""
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__title__ = "TechDrawTools.TaskHoleShaftFit"
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__author__ = "edi"
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__url__ = "https://www.freecadweb.org"
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__version__ = "00.01"
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__date__ = "2023/02/07"
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from PySide.QtCore import QT_TRANSLATE_NOOP
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from PySide import QtCore
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import PySide.QtGui as QtGui
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import FreeCAD as App
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import FreeCADGui as Gui
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from functools import partial
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import os
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class TaskHoleShaftFit:
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def __init__(self,sel):
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self.isHole = True
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self.sel = sel
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self.holeValues = [["h9","D10","loose"],["h9","E9","loose"],["h9","F8","Loose"],["h6","G7","loose"],
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["c11","H11","loose"],["f7","H8","loose"],["h6","H7","loose"],["h7","H8","loose"],
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["k6","H7","snug"],["n6","H7","snug"],["r6","H7","press"],["s6","H7","press"],
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["h6","K7","snug"],["h6","N7","snug"],["h6","R7","press"],["h6","S7","press"]]
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self.shaftValues = [["H11","c11","loose"],["H8","f7","loose"],["H7","h6","loose"],["H8","h7","loose"],
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["D10","h9","loose"],["E9","h9","loose"],["F8","h9","loose"],["G7","h6","loose"],
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["K7","h6","snug"],["N7","h6","snug"],["R7","h6","press"],["S7","h6","press"],
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["H7","k6","snug"],["H7","n6","snug"],["H7","r6","press"],["H7","s6","press"]]
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self._uiPath = App.getHomePath()
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self._uiPath = os.path.join(self._uiPath, "Mod/TechDraw/TechDrawTools/Gui/TaskHoleShaftFit.ui")
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self.form = Gui.PySideUic.loadUi(self._uiPath)
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self.form.setWindowTitle(QT_TRANSLATE_NOOP("TechDraw_HoleShaftFit", "Hole / Shaft Fit ISO 286"))
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self.form.rbHoleBase.clicked.connect(partial(self.on_HoleShaftChanged,True))
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self.form.rbShaftBase.clicked.connect(partial(self.on_HoleShaftChanged,False))
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self.form.cbField.currentIndexChanged.connect(self.on_FieldChanged)
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def setHoleFields(self):
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'''set hole fields in the combo box'''
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for i in range(self.form.cbField.count()):
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self.form.cbField.removeItem(0)
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for value in self.holeValues:
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self.form.cbField.addItem(value[1])
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self.form.lbBaseField.setText(' '+self.holeValues[0][0]+" /")
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self.form.lbFitType.setText(self.holeValues[0][2]+" fit")
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def setShaftFields(self):
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'''set shaft fields in the combo box'''
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for i in range(self.form.cbField.count()):
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self.form.cbField.removeItem(0)
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for value in self.shaftValues:
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self.form.cbField.addItem(value[1])
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self.form.lbBaseField.setText(' '+self.shaftValues[0][0]+" /")
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self.form.lbFitType.setText(self.shaftValues[0][2]+" fit")
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def on_HoleShaftChanged(self,isHole):
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'''slot: change the used base fit hole/shaft'''
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if isHole:
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self.isHole = isHole
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self.setShaftFields()
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else:
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self.isHole = isHole
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self.setHoleFields()
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def on_FieldChanged(self):
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'''slot: change of the desired field'''
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currentIndex = self.form.cbField.currentIndex()
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if self.isHole:
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self.form.lbBaseField.setText(' '+self.shaftValues[currentIndex][0]+" /")
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self.form.lbFitType.setText(self.shaftValues[currentIndex][2]+" fit")
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else:
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self.form.lbBaseField.setText(' '+self.holeValues[currentIndex][0]+" /")
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self.form.lbFitType.setText(self.holeValues[currentIndex][2]+" fit")
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def accept(self):
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'''slot: OK pressed'''
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currentIndex = self.form.cbField.currentIndex()
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if self.isHole:
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selectedField = self.shaftValues[currentIndex][1]
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else:
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selectedField = self.holeValues[currentIndex][1]
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fieldChar = selectedField[0]
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quality = int(selectedField[1:])
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dim = self.sel[0].Object
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value = dim.getRawValue()
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iso = ISO286()
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iso.calculate(value,fieldChar,quality)
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rangeValues = iso.getValues()
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mainFormat = dim.FormatSpec
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dim.FormatSpec = mainFormat+selectedField
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dim.EqualTolerance = False
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dim.FormatSpecOverTolerance = '(%+.3f)'
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dim.OverTolerance = rangeValues[0]
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dim.UnderTolerance = rangeValues[1]
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Gui.Control.closeDialog()
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def reject(self):
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return True
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class ISO286:
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'''This class represents a subset of the ISO 286 standard'''
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def getNominalRange(self,measureValue):
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'''return index of selected nominal range field, 0 < measureValue < 500 mm'''
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measureRanges = [0,3,6,10,14,18,24,30,40,50,65,80,100,120,140,160,180,200,225,250,280,315,355,400,450,500]
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index = 1
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while measureValue > measureRanges[index]:
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index = index+1
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return index-1
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def getITValue(self,valueQuality,valueNominalRange):
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'''return IT-value (value of quality in micrometers)'''
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'''tables IT6 to IT11 from 0 to 500 mm'''
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IT6 = [6,8,9,11,11,13,13,16,16,19,19,22,22,25,25,25,29,29,29,32,32,36,36,40,40]
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IT7 = [10,12,15,18,18,21,21,25,25,30,30,35,35,40,40,40,46,46,46,52,52,57,57,63,63]
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IT8 = [14,18,22,27,27,33,33,39,39,46,46,54,54,63,63,63,72,72,72,81,81,89,89,97,97]
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IT9 = [25,30,36,43,43,52,52,62,62,74,74,87,87,100,100,100,115,115,115,130,130,140,140,155,155]
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IT10 = [40,48,58,70,70,84,84,100,100,120,120,140,140,160,160,160,185,185,185,210,210,230,230,250,250]
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IT11 = [60,75,90,110,110,130,130,160,160,190,190,220,220,250,250,250,290,290,290,320,320,360,360,400,400]
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qualityTable = [IT6,IT7,IT8,IT9,IT10,IT11]
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return qualityTable[valueQuality-6][valueNominalRange]
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def getFieldValue(self,fieldCharacter,valueNominalRange):
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'''return es or ES value of the field in micrometers'''
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cField = [-60,-70,-80,-95,-95,-110,-110,-120,-130,-140,-150,-170,-180,-200,-210,-230,-240,-260,-280,-300,-330,-360,-400,-440,-480]
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fField = [-6,-10,-13,-16,-16,-20,-20,-25,-25,-30,-30,-36,-36,-43,-43,-43,-50,-50,-50,-56,-56,-62,-62,-68,-68]
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gField = [-2,-4,-5,-6,-6,-7,-7,-9,-9,-10,-10,-12,-12,-14,-14,-14,-15,-15,-15,-17,-17,-18,-18,-20,-20]
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hField = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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kField = [6,9,10,12,12,15,15,18,18,21,21,25,25,28,28,28,33,33,33,36,36,40,40,45,45]
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nField = [10,16,19,23,23,28,28,33,33,39,39,45,45,52,52,60,60,66,66,73,73,80,80]
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rField = [16,23,28,34,34,41,41,50,50,60,62,73,76,88,90,93,106,109,113,126,130,144,150,166,172]
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sField = [20,27,32,39,39,48,48,59,59,72,78,93,101,117,125,133,151,159,169,190,202,226,244,272,292]
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DField = [60,78,98,120,120,149,149,180,180,220,220,260,260,305,305,305,355,355,355,400,400,440,440,480,480]
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EField = [39,50,61,75,75,92,92,112,112,134,134,159,159,185,185,185,215,215,215,240,240,265,265,290,290]
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FField = [20,28,35,43,43,53,53,64,64,76,76,90,90,106,106,106,122,122,122,137,137,151,151,165,165]
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GField = [12,16,20,24,24,28,28,34,34,40,40,47,47,54,54,54,61,61,61,69,69,75,75,83,83]
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HField = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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KField = [0,3,5,6,6,6,6,7,7,9,9,10,10,12,12,12,13,13,13,16,16,17,17,18,18]
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NField = [-4,-4,-4,-5,-5,-7,-7,-8,-8,-9,-9,-10,-10,-12,-12,-12,-14,-14,-14,-14,-14,-16,-16,-17,-17]
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RField = [-10,-11,-13,-16,-16,-20,-20,-25,-25,-30,-32,-38,-41,-48,-50,-53,-60,-63,-67,-74,-78,-87,-93,-103,-109]
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SField = [-14,-15,-17,-21,-21,-27,-27,-34,-34,-42,-48,-58,-66,-77,-85,-93,-105,-113,-123,-138,-150,-169,-187,-209,-229]
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fieldDict = {'c':cField,'f':fField,'g':gField,'h':hField,'k':kField,'n':nField,'r':rField,'s':sField,
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'D':DField,'E':EField,'F':FField,'G':GField,'H':HField,'K':KField,'N':NField,'R':RField,'S':SField}
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return fieldDict[fieldCharacter][valueNominalRange]
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def calculate(self,value,fieldChar,quality):
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'''calculate upper and lower field values'''
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self.nominalRange = self. getNominalRange(value)
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self.upperValue = self.getFieldValue(fieldChar,self.nominalRange)
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self.lowerValue = self.upperValue-self.getITValue(quality,self.nominalRange)
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if fieldChar == 'H':
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self.upperValue = -self.lowerValue
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self.lowerValue = 0
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def getValues(self):
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'''return range values in mm'''
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return (self.upperValue/1000,self.lowerValue/1000)
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