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New tool: View from placement

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This commit is contained in:
DeepSOIC 2019-09-20 16:12:17 +03:00
parent 1a3a6fd3b9
commit 6058f1ad8f
3 changed files with 126 additions and 4 deletions
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1
InitGui.py
View File

@ -94,6 +94,7 @@ class Lattice2Workbench (Workbench):
cmdsGuiTools = ([]
+ Lattice2.GuiTools.Inspect.exportedCommands
+ Lattice2.GuiTools.SubstituteObject.exportedCommands
+ Lattice2.GuiTools.ViewFromPlacement.exportedCommands
)
self.appendToolbar('Lattice2GuiTools', cmdsGuiTools)
self.appendMenu('Lattice2', cmdsGuiTools + Lattice2.GuiTools.ExposeLinkSub.exportedCommands)

9
Lattice2GuiTools.py
View File

@ -1,4 +1,5 @@
import lattice2Inspect as Inspect
import lattice2RecomputeLocker as RecomputeLocker
import lattice2SubstituteObject as SubstituteObject
import lattice2ExposeLinkSub as ExposeLinkSub
import lattice2Inspect as Inspect
import lattice2RecomputeLocker as RecomputeLocker
import lattice2SubstituteObject as SubstituteObject
import lattice2ExposeLinkSub as ExposeLinkSub
import lattice2ViewFromPlacement as ViewFromPlacement

120
lattice2ViewFromPlacement.py Normal file
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@ -0,0 +1,120 @@
#***************************************************************************
#* *
#* Copyright (c) 2015 - Victor Titov (DeepSOIC) *
#* <vv.titov@gmail.com> *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser 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. *
#* *
#* This program is distributed in the hope that it will be useful, *
#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
#* GNU Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library General Public *
#* License along with this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
__title__="Lattice Recompute Locker: hack to manual recompute of documents."
__author__ = "DeepSOIC"
__url__ = ""
import FreeCAD as App
from lattice2Common import *
import lattice2BaseFeature as LBF
import lattice2CompoundExplorer as LCE
import Show
def getSelectedPlacement(obj, sub):
leaves = LCE.AllLeaves(obj.Shape)
if sub == '':
return 0 if len(leaves) == 1 else None
subshape = obj.Shape.getElement(sub)
getter = {
'Vertex': (lambda sh: sh.Vertexes),
'Edge': (lambda sh: sh.Edges),
'Face': (lambda sh: sh.Faces)
} [subshape.ShapeType]
matches = []
for index, leaf in enumerate(leaves):
for it_sh in getter(leaf):
if it_sh.isSame(subshape):
matches.append(index)
assert(len(matches) < 2)
return matches[0]
# --------------------------------Gui commands----------------------------------
_library = {} #instances of TempoVis, per document
class CommandViewFromPlacement:
def GetResources(self):
return {'Pixmap' : getIconPath("Lattice2_ViewFromPlacement.svg"),
'MenuText': "View from placement",
'Accel': "",
'ToolTip': "View from placement. Places camera to where selected placement is. Click again to restore view.",
'CmdType':"ForEdit"}
def Activated(self):
import FreeCADGui as Gui
oldTV = _library.pop(App.ActiveDocument.Name, None)
if oldTV is None:
V = App.Vector
sel = Gui.Selection.getSelectionEx()
if len(sel) == 1 and len(sel[0].SubElementNames) < 2:
#get placement
index = getSelectedPlacement(sel[0].Object, sel[0].SubElementNames[0] if len(sel[0].SubElementNames) == 1 else '')
plm = LBF.getPlacementsList(sel[0].Object)[index]
OZ = plm.Rotation.multVec(V(0,0,1))
OY = plm.Rotation.multVec(V(0,1,0))
OX = plm.Rotation.multVec(V(1,0,0))
print(OX)
print(OZ)
#prepare
tv = Show.TempoVis(App.ActiveDocument)
tv.saveCamera()
#set up camera
Gui.ActiveDocument.ActiveView.setCameraType('Perspective')
from pivy import coin
cam = Gui.ActiveDocument.ActiveView.getCameraNode()
cam.position = tuple(plm.Base)
rot = App.Rotation(V(), -OZ, -OX,'ZYX')
cam.orientation = tuple(rot.Q)
cam.heightAngle = -cam.heightAngle.getValue() #reversing hight angle inverts the image. Using it in conjunction with upside-down camera to effectively reverse how view reacts to mouse.
cam.focalDistance = 1e-5 #small focal distance makes camera spin about itself
#all done, remember.
_library[App.ActiveDocument.Name] = tv
else:
infoMessage("Lattice2 View From Placement",
"Lattice2 View From Placement command."
"\n\nPlease select a placement, and invoke this tool. The camera will be placed there,"
" and you'll be able to rotate around."
"\n\nClick again to leave the mode.")
else:
oldTV.restore()
if Gui.ActiveDocument.ActiveView.getCameraType() == 'Perspective':
cam = Gui.ActiveDocument.ActiveView.getCameraNode()
cam.heightAngle = abs(cam.heightAngle.getValue()) #workaround
def IsActive(self):
if not App.ActiveDocument: return False
return True
if FreeCAD.GuiUp:
FreeCADGui.addCommand('Lattice2_ViewFromPlacement', CommandViewFromPlacement())
exportedCommands = [
"Lattice2_ViewFromPlacement",
]