79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
#***************************************************************************
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#* *
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#* Copyright (c) 2011, 2012 *
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#* Jose Luis Cercos Pita <jlcercos@gmail.com> *
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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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# FreeCAD modules
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import FreeCAD,FreeCADGui
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from FreeCAD import Base
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import Part
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# FreeCADShip modules
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from shipUtils import Paths
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class Preview(object):
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def __init__(self):
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""" Constructor.
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"""
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self.reinit()
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def reinit(self):
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""" Reinitializate drawer.
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"""
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self.obj = None
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self.clean()
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def update(self, draft, trim, ship):
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""" Update free surface 3D view
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@param traft Draft.
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@param trim Trim in degrees.
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"""
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# Destroy old object if exist
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self.clean()
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# Set free surface bounds
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bbox = ship.Shape.BoundBox
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L = 1.5 * bbox.XLength
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B = 3.0 * bbox.YLength
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# Create plane
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x = - 0.5 * L
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y = - 0.5 * B
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point = Base.Vector(x,y,0.0)
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plane = Part.makePlane(L,B, point, Base.Vector(0,0,1))
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# Set position
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plane.rotate(Base.Vector(0,0,0), Base.Vector(0,1,0), trim)
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plane.translate(Base.Vector(0,0,draft))
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# Create the FreeCAD object
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Part.show(plane)
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objs = FreeCAD.ActiveDocument.Objects
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self.obj = objs[len(objs)-1]
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self.obj.Label = 'FreeSurface'
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# Set properties of object
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guiObj = FreeCADGui.ActiveDocument.getObject(self.obj.Name)
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guiObj.ShapeColor = (0.4,0.8,0.85)
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guiObj.Transparency = 50
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def clean(self):
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""" Erase all annotations from screen.
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"""
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if not self.obj:
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return
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FreeCAD.ActiveDocument.removeObject(self.obj.Name)
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self.obj=None
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