FreeCAD-macros

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# # # # # # # # # # #
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#
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# Apothem Based Prism
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#
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# This script will take the input of the distance between flats, (apothem, aka inradius),
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# and the number of sidesfor a regular polygon along with a height and produce a
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# correctly sized prism derived from the circumradius.
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#
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# # # # # # # # # # #
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__Name__ = 'Apothem Based Prism'
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__Comment__ = ''
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__License__ = ''
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__Web__ = 'http://www.freecadweb.org/wiki/Macro_Apothem_Based_Prism_GUI'
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__Wiki__ = 'http://www.freecadweb.org/wiki/Macro_Apothem_Based_Prism_GUI'
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__Icon__ = ''
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__Help__ = ''
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__Author__ = ''
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__Version__ = ''
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__Status__ = ''
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__Requires__ = ''
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__Files__ = ''
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import FreeCAD, FreeCADGui, Part, PartGui, math
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from FreeCAD import Base
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from PySide import QtGui, QtCore
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from math import cos, radians
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App = FreeCAD
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Gui = FreeCADGui
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class p():
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    def priSm(self):
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        try:
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            dbf = float(self.d1.text())
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            nos = int(self.d2.text())
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            hth = float(self.d3.text())
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            aR = dbf / 2
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            op1 = 180/float(nos)
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            coS = cos(math.radians(op1))
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            cR = aR / coS
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            prism=App.ActiveDocument.addObject("Part::Prism","Prism")
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            prism.Polygon=nos
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            prism.Circumradius=cR
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            prism.Height=hth
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            prism.Placement=Base.Placement(Base.Vector(0.00,0.00,0.00),Base.Rotation(0.00,0.00,0.00,1.00))
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            prism.Label='Prism'
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            App.ActiveDocument.recompute()
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            Gui.SendMsgToActiveView("ViewFit")
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        except:
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            FreeCAD.Console.PrintError("Unable to complete task")
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            self.close()
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    def close(self):
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        self.dialog.hide()
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#
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# Make dialog box and get input for distance between flats, number of sides, and height
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#
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    def __init__(self):
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        self.dialog = None
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        self.dialog = QtGui.QDialog()
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        self.dialog.resize(280,110)
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        self.dialog.setWindowTitle("Apothem Based Prism")
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        la = QtGui.QVBoxLayout(self.dialog)
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        iN1 = QtGui.QLabel("Distance Between Flats")
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        la.addWidget(iN1)
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        self.d1 = QtGui.QLineEdit()
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        la.addWidget(self.d1)
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        iN2 = QtGui.QLabel("Number Of Sides (Best results - use even numbers)")
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        la.addWidget(iN2)
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        self.d2 = QtGui.QLineEdit()
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        la.addWidget(self.d2)
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        iN3 = QtGui.QLabel("Prism Height")
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        la.addWidget(iN3)
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        self.d3 = QtGui.QLineEdit()
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        la.addWidget(self.d3)
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        okbox = QtGui.QDialogButtonBox(self.dialog)
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        okbox.setOrientation(QtCore.Qt.Horizontal)
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        okbox.setStandardButtons(QtGui.QDialogButtonBox.Cancel|QtGui.QDialogButtonBox.Ok)
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        la.addWidget(okbox)
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        QtCore.QObject.connect(okbox, QtCore.SIGNAL("accepted()"), self.priSm)
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        QtCore.QObject.connect(okbox, QtCore.SIGNAL("rejected()"), self.close)
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        QtCore.QMetaObject.connectSlotsByName(self.dialog)
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        self.dialog.show()
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        self.dialog.exec_()
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p()
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