def __init__(self, master):
"""
This is the highest class in the hierarchy. It maintains a reference to the
main data structure that this GUI is manipulating. All other classes keep a reference to
their parent and can access the Truss via this class.
"""
self.master = master
# Instantiate data structure
self.truss = Truss()
# Graphics
self.frame = Frame(master, width=WINDOW_WIDTH, height=WINDOW_HEIGHT)
self.designSpace = DesignSpace(self)
#self.infoPane = InfoPane(self)
self.toolbar = Toolbar(self)
# Menu
TopMenu(self)
# Display
self.toolbar.frame.grid(row=0, column=0)
self.frame.pack()
# Event Binding
root.bind("<Control-g>", self.designSpace.toggleSnap)
# Current filename
self.fileName = None
def __init__(self, master):
"""
This is the highest class in the hierarchy. It maintains a reference to the
main data structure that this GUI is manipulating. All other classes keep a reference to
their parent and can access the Truss via this class.
"""
self.master = master
# Instantiate data structure
self.truss = Truss()
# Graphics
self.frame = Frame(master, width=WINDOW_WIDTH, height=WINDOW_HEIGHT)
self.designSpace = DesignSpace(self)
# self.infoPane = InfoPane(self)
self.toolbar = Toolbar(self)
# Menu
TopMenu(self)
# Display
self.toolbar.frame.grid(row=0, column=0)
self.frame.pack()
# Event Binding
root.bind("<Control-g>", self.designSpace.toggleSnap)
# Current filename
self.fileName = None
class App:
def __init__(self, master):
"""
This is the highest class in the hierarchy. It maintains a reference to the
main data structure that this GUI is manipulating. All other classes keep a reference to
their parent and can access the Truss via this class.
"""
self.master = master
# Instantiate data structure
self.truss = Truss()
# Graphics
self.frame = Frame(master, width=WINDOW_WIDTH, height=WINDOW_HEIGHT)
self.designSpace = DesignSpace(self)
# self.infoPane = InfoPane(self)
self.toolbar = Toolbar(self)
# Menu
TopMenu(self)
# Display
self.toolbar.frame.grid(row=0, column=0)
self.frame.pack()
# Event Binding
root.bind("<Control-g>", self.designSpace.toggleSnap)
# Current filename
self.fileName = None
def addMember(self, joint1, joint2):
self.truss.addMember(joint1, joint2)
def addJoint(self, x, y):
pass
def clearTruss(self):
self.truss = Truss()
self.designSpace.clear()
def reanalyzeTruss(self):
self.truss.setUnsolved()
self.updateTrussSolution()
self.solveTruss()
def solveTruss(self):
if not self.truss.isSolved and self.truss.isDeterminate():
self.truss.analyze()
self.updateTrussSolution()
def updateTrussSolution(self):
for member in self.truss.getMembers():
member.graphic.update()
## for joint in self.truss.getJoints():
## joint.graphic.update()
if self.truss.fixedJoint:
self.truss.fixedJoint.graphic.update()
if self.truss.rollerJoint:
self.truss.rollerJoint.graphic.update()
def saveas(self):
fileName = filedialog.asksaveasfilename(defaultextension=".txt", filetypes=[("Text Files", ".txt")])
# print(fileName)
if fileName:
# print("yes filename")
self.save(fileName)
self.fileName = fileName
# Since the current truss has links to TK classes that cannot be pickled, we need a data structure that preserves the essence of the truss but is simpler
def save(self, fileName=None):
if fileName:
self.truss.save(fileName)
self.designSpace.statusBar.setTempText(" Saved.") # Two spaces before saved are INTENTIONAL
self.master.after(1000, self.designSpace.statusBar.update)
elif self.fileName:
self.truss.save(self.fileName)
self.designSpace.statusBar.setTempText(" Saved.")
self.master.after(1000, self.designSpace.statusBar.update)
else:
self.saveas()
def saveEventHandle(self, event):
self.save()
def openEventHandle(self, event):
self.load()
def load(self):
fileName = filedialog.askopenfilename(defaultextension=".txt", filetypes=[("Text Files", ".txt")])
if fileName:
print(fileName)
self.fileName = fileName
loadFile = open(fileName, mode="rb")
abstractTruss = pickle.load(loadFile)
loadFile.close()
self.clearTruss()
generatedJoints = {}
for jointID in abstractTruss["nodes"]:
x, y = abstractTruss["nodes"][jointID]
newJoint = self.truss.addJoint(x, y)
newJoint.graphic = JointGraphic(self.designSpace.canvas, newJoint)
newJoint.loadLine = None
generatedJoints[jointID] = newJoint
print(generatedJoints)
for memberID in abstractTruss["edges"]:
startJointID, endJointID = memberID
startJoint = generatedJoints[startJointID]
endJoint = generatedJoints[endJointID]
newMember = self.truss.addMember(startJoint, endJoint)
newMember.graphic = MemberGraphic(self.designSpace.canvas, newMember)
if abstractTruss["fixed joint"]:
self.designSpace.currentJoint = generatedJoints[abstractTruss["fixed joint"]]
self.designSpace.selectFixedJoint()
if abstractTruss["roller joint"]:
self.designSpace.currentJoint = generatedJoints[abstractTruss["roller joint"]]
self.designSpace.selectRollerJoint()
for jointID in abstractTruss["loads"]:
joint = generatedJoints[jointID]
fx, fy = abstractTruss["loads"][jointID]
jx, jy = joint.getLoc()
cx, cy = rectifyPos((jx, jy), self.designSpace.canvas)
joint.loadLine = LoadGraphic(
self.designSpace.canvas, joint, cx + fx / LOAD_SCALE_FACTOR, cy - fy / LOAD_SCALE_FACTOR
)
joint.loadLine.makeInactive()
self.truss.setExternalLoad(joint, fx, fy)
self.solveTruss()
for joint in self.truss.getJoints():
joint.graphic.update()
self.designSpace.mjCount.setText(
" (" + str(len(self.truss.getJoints())) + " Joints / " + str(len(self.truss.getMembers())) + " Members)"
)
class App:
def __init__(self, master):
"""
This is the highest class in the hierarchy. It maintains a reference to the
main data structure that this GUI is manipulating. All other classes keep a reference to
their parent and can access the Truss via this class.
"""
self.master = master
# Instantiate data structure
self.truss = Truss()
# Graphics
self.frame = Frame(master, width=WINDOW_WIDTH, height=WINDOW_HEIGHT)
self.designSpace = DesignSpace(self)
#self.infoPane = InfoPane(self)
self.toolbar = Toolbar(self)
# Menu
TopMenu(self)
# Display
self.toolbar.frame.grid(row=0, column=0)
self.frame.pack()
# Event Binding
root.bind("<Control-g>", self.designSpace.toggleSnap)
# Current filename
self.fileName = None
def addMember(self, joint1, joint2):
self.truss.addMember(joint1, joint2)
def addJoint(self, x, y):
pass
def clearTruss(self):
self.truss = Truss()
self.designSpace.clear()
def reanalyzeTruss(self):
self.truss.setUnsolved()
self.updateTrussSolution()
self.solveTruss()
def solveTruss(self):
if not self.truss.isSolved and self.truss.isDeterminate():
self.truss.analyze()
self.updateTrussSolution()
def updateTrussSolution(self):
for member in self.truss.getMembers():
member.graphic.update()
## for joint in self.truss.getJoints():
## joint.graphic.update()
if self.truss.fixedJoint:
self.truss.fixedJoint.graphic.update()
if self.truss.rollerJoint:
self.truss.rollerJoint.graphic.update()
def saveas(self):
fileName = filedialog.asksaveasfilename(defaultextension='.txt',
filetypes=[('Text Files',
'.txt')])
#print(fileName)
if fileName:
#print("yes filename")
self.save(fileName)
self.fileName = fileName
# Since the current truss has links to TK classes that cannot be pickled, we need a data structure that preserves the essence of the truss but is simpler
def save(self, fileName=None):
if fileName:
self.truss.save(fileName)
self.designSpace.statusBar.setTempText(
" Saved.") # Two spaces before saved are INTENTIONAL
self.master.after(1000, self.designSpace.statusBar.update)
elif self.fileName:
self.truss.save(self.fileName)
self.designSpace.statusBar.setTempText(" Saved.")
self.master.after(1000, self.designSpace.statusBar.update)
else:
self.saveas()
def saveEventHandle(self, event):
self.save()
def openEventHandle(self, event):
self.load()
def load(self):
fileName = filedialog.askopenfilename(defaultextension='.txt',
filetypes=[('Text Files', '.txt')
])
if fileName:
print(fileName)
self.fileName = fileName
loadFile = open(fileName, mode='rb')
abstractTruss = pickle.load(loadFile)
loadFile.close()
self.clearTruss()
generatedJoints = {}
for jointID in abstractTruss['nodes']:
x, y = abstractTruss['nodes'][jointID]
newJoint = self.truss.addJoint(x, y)
newJoint.graphic = JointGraphic(self.designSpace.canvas,
newJoint)
newJoint.loadLine = None
generatedJoints[jointID] = newJoint
print(generatedJoints)
for memberID in abstractTruss['edges']:
startJointID, endJointID = memberID
startJoint = generatedJoints[startJointID]
endJoint = generatedJoints[endJointID]
newMember = self.truss.addMember(startJoint, endJoint)
newMember.graphic = MemberGraphic(self.designSpace.canvas,
newMember)
if abstractTruss['fixed joint']:
self.designSpace.currentJoint = generatedJoints[
abstractTruss['fixed joint']]
self.designSpace.selectFixedJoint()
if abstractTruss['roller joint']:
self.designSpace.currentJoint = generatedJoints[
abstractTruss['roller joint']]
self.designSpace.selectRollerJoint()
for jointID in abstractTruss['loads']:
joint = generatedJoints[jointID]
fx, fy = abstractTruss['loads'][jointID]
jx, jy = joint.getLoc()
cx, cy = rectifyPos((jx, jy), self.designSpace.canvas)
joint.loadLine = LoadGraphic(self.designSpace.canvas,\
joint,\
cx+fx/LOAD_SCALE_FACTOR,\
cy-fy/LOAD_SCALE_FACTOR)
joint.loadLine.makeInactive()
self.truss.setExternalLoad(joint, fx, fy)
self.solveTruss()
for joint in self.truss.getJoints():
joint.graphic.update()
self.designSpace.mjCount.setText(
" (" + str(len(self.truss.getJoints())) + " Joints / " +
str(len(self.truss.getMembers())) + " Members)")
