def clampAngle(self, widget, val_min, val_max, val):
if val >= val_min and val <= val_max:
return val
input_format = USys.getAngleFormat()
val = min(val_max, max(val_min, val))
qty = Units.Quantity('{} deg'.format(val))
widget.setText(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value))
return val
def clampVal(self, widget, val_min, val_max, val):
if val >= val_min and val <= val_max:
return val
input_format = USys.getLengthFormat()
val = min(val_max, max(val_min, val))
qty = Units.Quantity('{} m'.format(val))
widget.setText(Locale.toString(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
return val
def clampAngle(self, widget, val_min, val_max, val):
if val >= val_min and val <= val_max:
return val
input_format = USys.getAngleFormat()
val = min(val_max, max(val_min, val))
qty = Units.Quantity('{} deg'.format(val))
widget.setText(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value))
return val
def clampVal(self, widget, val_min, val_max, val):
if val >= val_min and val <= val_max:
return val
input_format = USys.getLengthFormat()
val = min(val_max, max(val_min, val))
qty = Units.Quantity('{} m'.format(val))
widget.setText(Locale.toString(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
return val
def onData(self, value):
""" Method called when the tool input data is touched.
@param value Changed value.
"""
if not self.ship:
return
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.draft = self.widget(QtGui.QLineEdit, "Draft")
form.trim = self.widget(QtGui.QLineEdit, "Trim")
# Get the values (or fix them in bad setting case)
try:
draft = Units.Quantity(Locale.fromString(
form.draft.text())).getValueAs('m').Value
except:
draft = self.ship.Draft.getValueAs(USys.getLengthUnits()).Value
input_format = USys.getLengthFormat()
qty = Units.Quantity('{} m'.format(draft))
widget.setText(
Locale.toString(
input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
try:
trim = Units.Quantity(Locale.fromString(
form.trim.text())).getValueAs('deg').Value
except:
trim = 0.0
input_format = USys.getAngleFormat()
qty = Units.Quantity('{} deg'.format(trim))
widget.setText(
Locale.toString(
input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
bbox = self.ship.Shape.BoundBox
draft_min = bbox.ZMin / Units.Metre.Value
draft_max = bbox.ZMax / Units.Metre.Value
draft = self.clampLength(form.draft, draft_min, draft_max, draft)
trim_min = -180.0
trim_max = 180.0
trim = self.clampAngle(form.trim, trim_min, trim_max, trim)
self.onUpdate()
self.preview.update(draft, trim, self.ship)
def onData(self, value):
""" Method called when the tool input data is touched.
@param value Changed value.
"""
if not self.ship:
return
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.draft = self.widget(QtGui.QLineEdit, "Draft")
form.trim = self.widget(QtGui.QLineEdit, "Trim")
# Get the values (or fix them in bad setting case)
try:
draft = Units.Quantity(Locale.fromString(
form.draft.text())).getValueAs('m').Value
except:
draft = self.ship.Draft.getValueAs(USys.getLengthUnits()).Value
input_format = USys.getLengthFormat()
qty = Units.Quantity('{} m'.format(draft))
widget.setText(Locale.toString(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
try:
trim = Units.Quantity(Locale.fromString(
form.trim.text())).getValueAs('deg').Value
except:
trim = 0.0
input_format = USys.getAngleFormat()
qty = Units.Quantity('{} deg'.format(trim))
widget.setText(Locale.toString(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
bbox = self.ship.Shape.BoundBox
draft_min = bbox.ZMin / Units.Metre.Value
draft_max = bbox.ZMax / Units.Metre.Value
draft = self.clampLength(form.draft, draft_min, draft_max, draft)
trim_min = -180.0
trim_max = 180.0
trim = self.clampAngle(form.trim, trim_min, trim_max, trim)
self.onUpdate()
self.preview.update(draft, trim, self.ship)
def accept(self):
"""Create the ship instance"""
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.ship = self.widget(QtGui.QComboBox, "Ship")
form.weight = self.widget(QtGui.QLineEdit, "Weight")
# Create the object
ship = self.ships[form.ship.currentIndex()]
obj = App.ActiveDocument.addObject("Part::FeaturePython", "Weight")
weight = Instance.Weight(obj, self.shapes, ship)
Instance.ViewProviderWeight(obj.ViewObject)
# Set the mass/density
m_unit = USys.getMassUnits()
l_unit = USys.getLengthUnits()
qty = Units.parseQuantity(form.weight.text())
if self.elem_type == 1:
w_unit = m_unit
obj.Mass = qty.getValueAs(w_unit).Value
elif self.elem_type == 2:
w_unit = m_unit + '/' + l_unit
obj.LineDens = qty.getValueAs(w_unit).Value
elif self.elem_type == 3:
w_unit = m_unit + '/' + l_unit + '^2'
obj.AreaDens = qty.getValueAs(w_unit).Value
elif self.elem_type == 4:
w_unit = m_unit + '/' + l_unit + '^3'
obj.Dens = qty.getValueAs(w_unit).Value
# Set it as a child of the ship
weights = ship.Weights[:]
weights.append(obj.Name)
ship.Weights = weights
App.ActiveDocument.recompute()
return True
def accept(self):
"""Create the ship instance"""
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.ship = self.widget(QtGui.QComboBox, "Ship")
form.weight = self.widget(QtGui.QLineEdit, "Weight")
# Create the object
ship = self.ships[form.ship.currentIndex()]
obj = App.ActiveDocument.addObject("Part::FeaturePython", "Weight")
weight = Instance.Weight(obj, self.shapes, ship)
Instance.ViewProviderWeight(obj.ViewObject)
# Set the mass/density
m_unit = USys.getMassUnits()
l_unit = USys.getLengthUnits()
qty = Units.parseQuantity(form.weight.text())
if self.elem_type == 1:
w_unit = m_unit
obj.Mass = qty.getValueAs(w_unit).Value
elif self.elem_type == 2:
w_unit = m_unit + '/' + l_unit
obj.LineDens = qty.getValueAs(w_unit).Value
elif self.elem_type == 3:
w_unit = m_unit + '/' + l_unit + '^2'
obj.AreaDens = qty.getValueAs(w_unit).Value
elif self.elem_type == 4:
w_unit = m_unit + '/' + l_unit + '^3'
obj.Dens = qty.getValueAs(w_unit).Value
# Set it as a child of the ship
weights = ship.Weights[:]
weights.append(obj.Name)
ship.Weights = weights
App.ActiveDocument.recompute()
return True
def getUnderwaterSide(shape, force=True):
"""Get the underwater shape, simply cropping the provided shape by the z=0
free surface plane.
Position arguments:
shape -- Solid shape to be cropped
Keyword arguments:
force -- True if in case the common boolean operation fails, i.e. returns
no solids, the tool should retry it slightly moving the free surface. False
otherwise. (True by default)
Returned value:
Cropped shape. It is not modifying the input shape
"""
# Convert the shape into an active object
Part.show(shape)
orig = App.ActiveDocument.Objects[-1]
bbox = shape.BoundBox
xmin = bbox.XMin
xmax = bbox.XMax
ymin = bbox.YMin
ymax = bbox.YMax
zmin = bbox.ZMin
zmax = bbox.ZMax
# Create the "sea" box to intersect the ship
L = xmax - xmin
B = ymax - ymin
H = zmax - zmin
box = App.ActiveDocument.addObject("Part::Box", "Box")
length_format = USys.getLengthFormat()
box.Placement = Placement(Vector(xmin - L, ymin - B, zmin - H),
Rotation(App.Vector(0, 0, 1), 0))
box.Length = length_format.format(3.0 * L)
box.Width = length_format.format(3.0 * B)
box.Height = length_format.format(-zmin + H)
App.ActiveDocument.recompute()
common = App.activeDocument().addObject("Part::MultiCommon",
"UnderwaterSideHelper")
common.Shapes = [orig, box]
App.ActiveDocument.recompute()
if force and len(common.Shape.Solids) == 0:
# The common operation is failing, let's try moving a bit the free
# surface
msg = QtGui.QApplication.translate(
"ship_console",
"Boolean operation failed when trying to get the underwater side."
" The tool is retrying such operation slightly moving the free"
" surface position", None)
App.Console.PrintWarning(msg + '\n')
random_bounds = 0.01 * H
i = 0
while len(common.Shape.Solids) == 0 and i < COMMON_BOOLEAN_ITERATIONS:
i += 1
box.Height = length_format.format(
-zmin + H + random.uniform(-random_bounds, random_bounds))
App.ActiveDocument.recompute()
out = common.Shape
App.ActiveDocument.removeObject(common.Name)
App.ActiveDocument.removeObject(orig.Name)
App.ActiveDocument.removeObject(box.Name)
App.ActiveDocument.recompute()
return out
def initValues(self):
"""Setup the initial values"""
# Ensure that there are at least one valid object to generate the
# weight
selObjs = Gui.Selection.getSelection()
self.shapes = []
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_weight",
"Weight objects can only be created on top of its geometry"
" (no objects selected)", None, QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
for obj in selObjs:
try:
self.shapes.append(obj.Shape)
except:
continue
if not len(self.shapes):
msg = QtGui.QApplication.translate(
"ship_weight",
"No geometrical shapes found in the selected objects", None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
# Get the element type
# 0 = unknow, 1 = vertex, 2 = line, 3 = face, 4 = solids
self.elem_type = 0
for shape in self.shapes:
# Doing it in this way we are protected under strange entities,
# and we are prepared to add higher level type of entities in the
# future, just in case...
try:
if len(shape.Solids):
self.elem_type = max(4, self.elem_type)
except:
pass
try:
if len(shape.Faces):
self.elem_type = max(3, self.elem_type)
except:
pass
try:
if len(shape.Edges):
self.elem_type = max(2, self.elem_type)
except:
pass
try:
if len(shape.Vertexes):
self.elem_type = max(1, self.elem_type)
except:
pass
# Could it happens???
if self.elem_type == 0:
msg = QtGui.QApplication.translate(
"ship_weight", "Unknow object shapes selected", None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
# Ensure as well that exist at least one valid ship to create the
# entity inside it
self.ships = []
for obj in App.ActiveDocument.Objects:
try:
if obj.IsShip:
self.ships.append(obj)
except:
continue
if not len(self.ships):
msg = QtGui.QApplication.translate(
"ship_weight",
"There are not ship objects to create weights into them", None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
# Fill the ships combo box
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.ship = self.widget(QtGui.QComboBox, "Ship")
form.weight = self.widget(QtGui.QLineEdit, "Weight")
icon = QtGui.QIcon(QtGui.QPixmap(":/icons/Ship_Instance.svg"))
form.ship.clear()
for ship in self.ships:
form.ship.addItem(icon, ship.Label)
form.ship.setCurrentIndex(0)
# Initialize the 0 mass/density string field
m_unit = USys.getMassUnits()
l_unit = USys.getLengthUnits()
if self.elem_type == 1:
w_unit = m_unit
elif self.elem_type == 2:
w_unit = m_unit + '/' + l_unit
elif self.elem_type == 3:
w_unit = m_unit + '/' + l_unit + '^2'
elif self.elem_type == 4:
w_unit = m_unit + '/' + l_unit + '^3'
form.weight.setText('0 ' + w_unit)
return False
def initValues(self):
"""Setup the initial values"""
self.solids = None
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_console",
"Ship objects can only be created on top of hull geometry"
" (no objects selected)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
msg = QtGui.QApplication.translate(
"ship_console",
"Please create or load a ship hull geometry before using"
" this tool",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
self.solids = []
for i in range(0, len(selObjs)):
solids = self.getSolids(selObjs[i])
for j in range(0, len(solids)):
self.solids.append(solids[j])
if not self.solids:
msg = QtGui.QApplication.translate(
"ship_console",
"Ship objects can only be created on top of hull geometry"
" (no solid found at selected objects)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
msg = QtGui.QApplication.translate(
"ship_console",
"Please create or load a ship hull geometry before using"
" this tool",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
# Get the ship bounds. The ship instance can not have dimensions
# out of these values.
self.bounds = [0.0, 0.0, 0.0]
bbox = self.solids[0].BoundBox
minX = bbox.XMin
maxX = bbox.XMax
minY = bbox.YMin
maxY = bbox.YMax
minZ = bbox.ZMin
maxZ = bbox.ZMax
for i in range(1, len(self.solids)):
bbox = self.solids[i].BoundBox
if minX > bbox.XMin:
minX = bbox.XMin
if maxX < bbox.XMax:
maxX = bbox.XMax
if minY > bbox.YMin:
minY = bbox.YMin
if maxY < bbox.YMax:
maxY = bbox.YMax
if minZ > bbox.ZMin:
minZ = bbox.ZMin
if maxZ < bbox.ZMax:
maxZ = bbox.ZMax
self.bounds[0] = maxX - minX
self.bounds[1] = max(maxY - minY, abs(maxY), abs(minY))
self.bounds[2] = maxZ - minZ
input_format = USys.getLengthFormat()
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.length = self.widget(QtGui.QLineEdit, "Length")
form.breadth = self.widget(QtGui.QLineEdit, "Breadth")
form.draft = self.widget(QtGui.QLineEdit, "Draft")
qty = Units.Quantity(self.bounds[0], Units.Length)
form.length.setText(Locale.toString(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
self.L = self.bounds[0] / Units.Metre.Value
qty = Units.Quantity(self.bounds[1], Units.Length)
form.breadth.setText(Locale.toString(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
self.B = self.bounds[1] / Units.Metre.Value
qty = Units.Quantity(self.bounds[2], Units.Length)
form.draft.setText(Locale.toString(input_format.format(
0.5 * qty.getValueAs(USys.getLengthUnits()).Value)))
self.T = 0.5 * self.bounds[2] / Units.Metre.Value
return False
def onData(self, value):
""" Method called when input data is changed.
@param value Changed value.
"""
if not self.ship:
return
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.trim = self.widget(QtGui.QLineEdit, "Trim")
form.minDraft = self.widget(QtGui.QLineEdit, "MinDraft")
form.maxDraft = self.widget(QtGui.QLineEdit, "MaxDraft")
# Get the values (or fix them in bad setting case)
try:
trim = Units.Quantity(form.trim.text()).getValueAs('deg').Value
except:
trim = 0.0
input_format = USys.getAngleFormat()
qty = Units.Quantity('{} deg'.format(trim))
form.trim.setText(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value))
try:
min_draft = Units.Quantity(
form.minDraft.text()).getValueAs('m').Value
except:
min_draft = 0.9 * self.ship.Draft.getValueAs('m').Value
input_format = USys.getLengthFormat()
qty = Units.Quantity('{} m'.format(min_draft))
form.minDraft.setText(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value))
try:
max_draft = Units.Quantity(
form.minDraft.text()).getValueAs('m').Value
except:
max_draft = 0.9 * self.ship.Draft.getValueAs('m').Value
input_format = USys.getLengthFormat()
qty = Units.Quantity('{} m'.format(max_draft))
form.maxDraft.setText(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value))
# Clamp the values to the bounds
bbox = self.ship.Shape.BoundBox
draft_min = bbox.ZMin / Units.Metre.Value
draft_max = bbox.ZMax / Units.Metre.Value
min_draft = self.clampLength(form.minDraft,
draft_min,
draft_max,
min_draft)
max_draft = self.clampLength(form.maxDraft,
draft_min,
draft_max,
max_draft)
trim_min = -180.0
trim_max = 180.0
trim = self.clampAngle(form.trim, trim_min, trim_max, trim)
# Clamp draft values to assert that the minimum value is lower than
# the maximum one
min_draft = self.clampLength(form.minDraft,
draft_min,
max_draft,
min_draft)
max_draft = self.clampLength(form.maxDraft,
min_draft,
draft_max,
max_draft)
def initValues(self):
""" Set initial values for fields
"""
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.trim = self.widget(QtGui.QLineEdit, "Trim")
form.minDraft = self.widget(QtGui.QLineEdit, "MinDraft")
form.maxDraft = self.widget(QtGui.QLineEdit, "MaxDraft")
form.nDraft = self.widget(QtGui.QSpinBox, "NDraft")
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_console",
"A ship instance must be selected before using this tool (no"
" objects selected)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
for i in range(len(selObjs)):
obj = selObjs[i]
props = obj.PropertiesList
try:
props.index("IsShip")
except ValueError:
continue
if obj.IsShip:
if self.ship:
msg = QtGui.QApplication.translate(
"ship_console",
"More than one ship have been selected (the extra"
" ships will be ignored)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintWarning(msg + '\n')
break
self.ship = obj
if not self.ship:
msg = QtGui.QApplication.translate(
"ship_console",
"A ship instance must be selected before using this tool (no"
" valid ship found at the selected objects)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
props = self.ship.PropertiesList
length_format = USys.getLengthFormat()
angle_format = USys.getAngleFormat()
try:
props.index("HydrostaticsTrim")
form.trim.setText(angle_format.format(
self.ship.HydrostaticsTrim.getValueAs(
USys.getLengthUnits()).Value))
except ValueError:
form.trim.setText(angle_format.format(0.0))
try:
props.index("HydrostaticsMinDraft")
form.minDraft.setText(length_format.format(
self.ship.HydrostaticsMinDraft.getValueAs(
USys.getLengthUnits()).Value))
except ValueError:
form.minDraft.setText(length_format.format(
0.9 * self.ship.Draft.getValueAs('m').Value))
try:
props.index("HydrostaticsMaxDraft")
form.maxDraft.setText(length_format.format(
self.ship.HydrostaticsMaxDraft.getValueAs(
USys.getLengthUnits()).Value))
except ValueError:
form.maxDraft.setText(length_format.format(
1.1 * self.ship.Draft.getValueAs('m').Value))
try:
props.index("HydrostaticsNDraft")
form.nDraft.setValue(self.ship.HydrostaticsNDraft)
except ValueError:
pass
return False
def initValues(self):
""" Set initial values for fields
"""
# Look for selected loading conditions (Spreadsheets)
self.lc = None
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_console",
"A loading condition instance must be selected before using"
" this tool (no objects selected)", None)
App.Console.PrintError(msg + '\n')
return True
for i in range(len(selObjs)):
obj = selObjs[i]
try:
if obj.TypeId != 'Spreadsheet::Sheet':
continue
except ValueError:
continue
# Check if it is a Loading condition:
# B1 cell must be a ship
# B2 cell must be the loading condition itself
doc = App.ActiveDocument
try:
if obj not in doc.getObjectsByLabel(obj.get('B2')):
continue
ships = doc.getObjectsByLabel(obj.get('B1'))
if len(ships) != 1:
if len(ships) == 0:
msg = QtGui.QApplication.translate(
"ship_console",
"Wrong Ship label! (no instances labeled as"
"'{}' found)", None)
App.Console.PrintError(msg +
'\n'.format(obj.get('B1')))
else:
msg = QtGui.QApplication.translate(
"ship_console",
"Ambiguous Ship label! ({} instances labeled as"
"'{}' found)", None)
App.Console.PrintError(
msg + '\n'.format(len(ships), obj.get('B1')))
continue
ship = ships[0]
if ship is None or not ship.PropertiesList.index("IsShip"):
continue
except ValueError:
continue
# Let's see if several loading conditions have been selected (and
# prompt a warning)
if self.lc:
msg = QtGui.QApplication.translate(
"ship_console",
"More than one loading condition have been selected (the"
" extra loading conditions will be ignored)", None)
App.Console.PrintWarning(msg + '\n')
break
self.lc = obj
self.ship = ship
if not self.lc:
msg = QtGui.QApplication.translate(
"ship_console",
"A loading condition instance must be selected before using"
" this tool (no valid loading condition found at the selected"
" objects)", None)
App.Console.PrintError(msg + '\n')
return True
# We have a valid loading condition, let's set the initial field values
angle_format = USys.getAngleFormat()
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.angle = self.widget(QtGui.QLineEdit, "Angle")
form.n_points = self.widget(QtGui.QSpinBox, "NumPoints")
form.var_trim = self.widget(QtGui.QCheckBox, "VariableTrim")
form.angle.setText(Locale.toString(angle_format.format(90.0)))
# Try to use saved values
props = self.ship.PropertiesList
try:
props.index("GZAngle")
form.angle.setText(
Locale.toString(
angle_format.format(
self.ship.GZAngle.getValueAs(
USys.getAngleUnits()).Value)))
except:
pass
try:
props.index("GZNumPoints")
form.n_points.setValue(self.ship.GZNumPoints)
except ValueError:
pass
try:
props.index("GZVariableTrim")
if self.ship.GZVariableTrim:
form.var_trim.setCheckState(QtCore.Qt.Checked)
else:
form.var_trim.setCheckState(QtCore.Qt.Unchecked)
except ValueError:
pass
return False
def initValues(self):
""" Set initial values for fields
"""
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.trim = self.widget(QtGui.QLineEdit, "Trim")
form.minDraft = self.widget(QtGui.QLineEdit, "MinDraft")
form.maxDraft = self.widget(QtGui.QLineEdit, "MaxDraft")
form.nDraft = self.widget(QtGui.QSpinBox, "NDraft")
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_console",
"A ship instance must be selected before using this tool (no"
" objects selected)", None, QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
for i in range(len(selObjs)):
obj = selObjs[i]
props = obj.PropertiesList
try:
props.index("IsShip")
except ValueError:
continue
if obj.IsShip:
if self.ship:
msg = QtGui.QApplication.translate(
"ship_console",
"More than one ship have been selected (the extra"
" ships will be ignored)", None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintWarning(msg + '\n')
break
self.ship = obj
if not self.ship:
msg = QtGui.QApplication.translate(
"ship_console",
"A ship instance must be selected before using this tool (no"
" valid ship found at the selected objects)", None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
props = self.ship.PropertiesList
length_format = USys.getLengthFormat()
angle_format = USys.getAngleFormat()
try:
props.index("HydrostaticsTrim")
form.trim.setText(
Locale.toString(
angle_format.format(
self.ship.HydrostaticsTrim.getValueAs(
USys.getLengthUnits()).Value)))
except ValueError:
form.trim.setText(Locale.toString(angle_format.format(0.0)))
try:
props.index("HydrostaticsMinDraft")
form.minDraft.setText(
Locale.toString(
length_format.format(
self.ship.HydrostaticsMinDraft.getValueAs(
USys.getLengthUnits()).Value)))
except ValueError:
form.minDraft.setText(
Locale.toString(
length_format.format(0.9 * self.ship.Draft.getValueAs(
USys.getLengthUnits()).Value)))
try:
props.index("HydrostaticsMaxDraft")
form.maxDraft.setText(
Locale.toString(
length_format.format(
self.ship.HydrostaticsMaxDraft.getValueAs(
USys.getLengthUnits()).Value)))
except ValueError:
form.maxDraft.setText(
Locale.toString(
length_format.format(1.1 * self.ship.Draft.getValueAs(
USys.getLengthUnits()).Value)))
try:
props.index("HydrostaticsNDraft")
form.nDraft.setValue(self.ship.HydrostaticsNDraft)
except ValueError:
pass
return False
def initValues(self):
""" Set initial values for fields
"""
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_console",
"A ship instance must be selected before using this tool (no"
" objects selected)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
for i in range(0, len(selObjs)):
obj = selObjs[i]
props = obj.PropertiesList
try:
props.index("IsShip")
except ValueError:
continue
if obj.IsShip:
if self.ship:
msg = QtGui.QApplication.translate(
"ship_console",
"More than one ship have been selected (the extra"
" ships will be ignored)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintWarning(msg + '\n')
break
self.ship = obj
if not self.ship:
msg = QtGui.QApplication.translate(
"ship_console",
"A ship instance must be selected before using this tool (no"
" valid ship found at the selected objects)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
length_format = USys.getLengthFormat()
angle_format = USys.getAngleFormat()
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.draft = self.widget(QtGui.QLineEdit, "Draft")
form.trim = self.widget(QtGui.QLineEdit, "Trim")
form.num = self.widget(QtGui.QSpinBox, "Num")
form.draft.setText(Locale.toString(length_format.format(
self.ship.Draft.getValueAs(USys.getLengthUnits()).Value)))
form.trim.setText(Locale.toString(angle_format.format(0.0)))
# Try to use saved values
props = self.ship.PropertiesList
try:
props.index("AreaCurveDraft")
form.draft.setText(Locale.toString(length_format.format(
self.ship.AreaCurveDraft.getValueAs(
USys.getLengthUnits()).Value)))
except:
pass
try:
props.index("AreaCurveTrim")
form.trim.setText(Locale.toString(angle_format.format(
self.ship.AreaCurveTrim.getValueAs(
USys.getAngleUnits()).Value)))
except ValueError:
pass
try:
props.index("AreaCurveNum")
form.num.setValue(self.ship.AreaCurveNum)
except ValueError:
pass
# Update GUI
draft = Units.Quantity(form.draft.text()).getValueAs('m').Value
trim = Units.Quantity(form.trim.text()).getValueAs('deg').Value
self.preview.update(draft, trim, self.ship)
self.onUpdate()
return False
def initValues(self):
"""Setup the initial values"""
# Ensure that there are at least one valid object to generate the
# weight
selObjs = Gui.Selection.getSelection()
self.shapes = []
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_weight",
"Weight objects can only be created on top of its geometry"
" (no objects selected)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
for obj in selObjs:
try:
self.shapes.append(obj.Shape)
except:
continue
if not len(self.shapes):
msg = QtGui.QApplication.translate(
"ship_weight",
"No geometrical shapes found in the selected objects",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
# Get the element type
# 0 = unknow, 1 = vertex, 2 = line, 3 = face, 4 = solids
self.elem_type = 0
for shape in self.shapes:
# Doing it in this way we are protected under strange entities,
# and we are prepared to add higher level type of entities in the
# future, just in case...
try:
if len(shape.Solids):
self.elem_type = max(4, self.elem_type)
except:
pass
try:
if len(shape.Faces):
self.elem_type = max(3, self.elem_type)
except:
pass
try:
if len(shape.Edges):
self.elem_type = max(2, self.elem_type)
except:
pass
try:
if len(shape.Vertexes):
self.elem_type = max(1, self.elem_type)
except:
pass
# Could it happens???
if self.elem_type == 0:
msg = QtGui.QApplication.translate(
"ship_weight",
"Unknow object shapes selected",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
# Ensure as well that exist at least one valid ship to create the
# entity inside it
self.ships = []
for obj in App.ActiveDocument.Objects:
try:
if obj.IsShip:
self.ships.append(obj)
except:
continue
if not len(self.ships):
msg = QtGui.QApplication.translate(
"ship_weight",
"There are not ship objects to create weights into them",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
# Fill the ships combo box
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.ship = self.widget(QtGui.QComboBox, "Ship")
form.weight = self.widget(QtGui.QLineEdit, "Weight")
icon = QtGui.QIcon(QtGui.QPixmap(":/icons/Ship_Instance.svg"))
form.ship.clear()
for ship in self.ships:
form.ship.addItem(icon, ship.Label)
form.ship.setCurrentIndex(0)
# Initialize the 0 mass/density string field
m_unit = USys.getMassUnits()
l_unit = USys.getLengthUnits()
if self.elem_type == 1:
w_unit = m_unit
elif self.elem_type == 2:
w_unit = m_unit + '/' + l_unit
elif self.elem_type == 3:
w_unit = m_unit + '/' + l_unit + '^2'
elif self.elem_type == 4:
w_unit = m_unit + '/' + l_unit + '^3'
form.weight.setText('0 ' + w_unit)
return False
def onData(self, value):
""" Method called when input data is changed.
@param value Changed value.
"""
if not self.ship:
return
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.trim = self.widget(QtGui.QLineEdit, "Trim")
form.minDraft = self.widget(QtGui.QLineEdit, "MinDraft")
form.maxDraft = self.widget(QtGui.QLineEdit, "MaxDraft")
# Get the values (or fix them in bad setting case)
try:
trim = Units.Quantity(Locale.fromString(
form.trim.text())).getValueAs('deg').Value
except:
trim = 0.0
input_format = USys.getAngleFormat()
qty = Units.Quantity('{} deg'.format(trim))
form.trim.setText(
Locale.toString(
input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
try:
min_draft = Units.Quantity(Locale.fromString(
form.minDraft.text())).getValueAs('m').Value
except:
min_draft = 0.9 * self.ship.Draft.getValueAs('m').Value
input_format = USys.getLengthFormat()
qty = Units.Quantity('{} m'.format(min_draft))
form.minDraft.setText(
Locale.toString(
input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
try:
max_draft = Units.Quantity(Locale.fromString(
form.minDraft.text())).getValueAs('m').Value
except:
max_draft = 0.9 * self.ship.Draft.getValueAs('m').Value
input_format = USys.getLengthFormat()
qty = Units.Quantity('{} m'.format(max_draft))
form.maxDraft.setText(
Locale.toString(
input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
# Clamp the values to the bounds
bbox = self.ship.Shape.BoundBox
draft_min = bbox.ZMin / Units.Metre.Value
draft_max = bbox.ZMax / Units.Metre.Value
min_draft = self.clampLength(form.minDraft, draft_min, draft_max,
min_draft)
max_draft = self.clampLength(form.maxDraft, draft_min, draft_max,
max_draft)
trim_min = -180.0
trim_max = 180.0
trim = self.clampAngle(form.trim, trim_min, trim_max, trim)
# Clamp draft values to assert that the minimum value is lower than
# the maximum one
min_draft = self.clampLength(form.minDraft, draft_min, max_draft,
min_draft)
max_draft = self.clampLength(form.maxDraft, min_draft, draft_max,
max_draft)
def initValues(self):
""" Set initial values for fields
"""
# Look for selected loading conditions (Spreadsheets)
self.lc = None
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_console",
"A loading condition instance must be selected before using" " this tool (no objects selected)",
None,
QtGui.QApplication.UnicodeUTF8,
)
App.Console.PrintError(msg + "\n")
return True
for i in range(len(selObjs)):
obj = selObjs[i]
try:
if obj.TypeId != "Spreadsheet::Sheet":
continue
except ValueError:
continue
# Check if it is a Loading condition:
# B1 cell must be a ship
# B2 cell must be the loading condition itself
doc = App.ActiveDocument
try:
if obj not in doc.getObjectsByLabel(obj.get("B2")):
continue
ships = doc.getObjectsByLabel(obj.get("B1"))
if len(ships) != 1:
if len(ships) == 0:
msg = QtGui.QApplication.translate(
"ship_console",
"Wrong Ship label! (no instances labeled as" "'{}' found)",
None,
QtGui.QApplication.UnicodeUTF8,
)
App.Console.PrintError(msg + "\n".format(obj.get("B1")))
else:
msg = QtGui.QApplication.translate(
"ship_console",
"Ambiguous Ship label! ({} instances labeled as" "'{}' found)",
None,
QtGui.QApplication.UnicodeUTF8,
)
App.Console.PrintError(msg + "\n".format(len(ships), obj.get("B1")))
continue
ship = ships[0]
if ship is None or not ship.PropertiesList.index("IsShip"):
continue
except ValueError:
continue
# Let's see if several loading conditions have been selected (and
# prompt a warning)
if self.lc:
msg = QtGui.QApplication.translate(
"ship_console",
"More than one loading condition have been selected (the"
" extra loading conditions will be ignored)",
None,
QtGui.QApplication.UnicodeUTF8,
)
App.Console.PrintWarning(msg + "\n")
break
self.lc = obj
self.ship = ship
if not self.lc:
msg = QtGui.QApplication.translate(
"ship_console",
"A loading condition instance must be selected before using"
" this tool (no valid loading condition found at the selected"
" objects)",
None,
QtGui.QApplication.UnicodeUTF8,
)
App.Console.PrintError(msg + "\n")
return True
# We have a valid loading condition, let's set the initial field values
angle_format = USys.getAngleFormat()
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.angle = self.widget(QtGui.QLineEdit, "Angle")
form.n_points = self.widget(QtGui.QSpinBox, "NumPoints")
form.var_trim = self.widget(QtGui.QCheckBox, "VariableTrim")
form.angle.setText(Locale.toString(angle_format.format(90.0)))
# Try to use saved values
props = self.ship.PropertiesList
try:
props.index("GZAngle")
form.angle.setText(
Locale.toString(angle_format.format(self.ship.GZAngle.getValueAs(USys.getAngleUnits()).Value))
)
except:
pass
try:
props.index("GZNumPoints")
form.n_points.setValue(self.ship.GZNumPoints)
except ValueError:
pass
try:
props.index("GZVariableTrim")
if self.ship.GZVariableTrim:
form.var_trim.setCheckState(QtCore.Qt.Checked)
else:
form.var_trim.setCheckState(QtCore.Qt.Unchecked)
except ValueError:
pass
return False
def getUnderwaterSide(shape, force=True):
"""Get the underwater shape, simply cropping the provided shape by the z=0
free surface plane.
Position arguments:
shape -- Solid shape to be cropped
Keyword arguments:
force -- True if in case the common boolean operation fails, i.e. returns
no solids, the tool should retry it slightly moving the free surface. False
otherwise. (True by default)
Returned value:
Cropped shape. It is not modifying the input shape
"""
# Convert the shape into an active object
Part.show(shape)
orig = App.ActiveDocument.Objects[-1]
bbox = shape.BoundBox
xmin = bbox.XMin
xmax = bbox.XMax
ymin = bbox.YMin
ymax = bbox.YMax
zmin = bbox.ZMin
zmax = bbox.ZMax
# Create the "sea" box to intersect the ship
L = xmax - xmin
B = ymax - ymin
H = zmax - zmin
box = App.ActiveDocument.addObject("Part::Box","Box")
length_format = USys.getLengthFormat()
box.Placement = Placement(Vector(xmin - L, ymin - B, zmin - H),
Rotation(App.Vector(0,0,1),0))
box.Length = length_format.format(3.0 * L)
box.Width = length_format.format(3.0 * B)
box.Height = length_format.format(- zmin + H)
App.ActiveDocument.recompute()
common = App.activeDocument().addObject("Part::MultiCommon",
"UnderwaterSideHelper")
common.Shapes = [orig, box]
App.ActiveDocument.recompute()
if force and len(common.Shape.Solids) == 0:
# The common operation is failing, let's try moving a bit the free
# surface
msg = QtGui.QApplication.translate(
"ship_console",
"Boolean operation failed when trying to get the underwater side."
" The tool is retrying such operation slightly moving the free"
" surface position",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintWarning(msg + '\n')
random_bounds = 0.01 * H
i = 0
while len(common.Shape.Solids) == 0 and i < COMMON_BOOLEAN_ITERATIONS:
i += 1
box.Height = length_format.format(
- zmin + H + random.uniform(-random_bounds, random_bounds))
App.ActiveDocument.recompute()
out = common.Shape
App.ActiveDocument.removeObject(common.Name)
App.ActiveDocument.removeObject(orig.Name)
App.ActiveDocument.removeObject(box.Name)
App.ActiveDocument.recompute()
return out
def initValues(self):
""" Set initial values for fields
"""
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_console",
"A ship instance must be selected before using this tool (no"
" objects selected)", None, QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
for i in range(0, len(selObjs)):
obj = selObjs[i]
props = obj.PropertiesList
try:
props.index("IsShip")
except ValueError:
continue
if obj.IsShip:
if self.ship:
msg = QtGui.QApplication.translate(
"ship_console",
"More than one ship have been selected (the extra"
" ships will be ignored)", None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintWarning(msg + '\n')
break
self.ship = obj
if not self.ship:
msg = QtGui.QApplication.translate(
"ship_console",
"A ship instance must be selected before using this tool (no"
" valid ship found at the selected objects)", None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
length_format = USys.getLengthFormat()
angle_format = USys.getAngleFormat()
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.draft = self.widget(QtGui.QLineEdit, "Draft")
form.trim = self.widget(QtGui.QLineEdit, "Trim")
form.draft.setText(
Locale.toString(
length_format.format(
self.ship.Draft.getValueAs(USys.getLengthUnits()).Value)))
form.trim.setText(Locale.toString(angle_format.format(0.0)))
# Try to use saved values
props = self.ship.PropertiesList
try:
props.index("AreaCurveDraft")
form.draft.setText(
Locale.toString(
length_format.format(
self.ship.AreaCurveDraft.getValueAs(
USys.getLengthUnits()).Value)))
except:
pass
try:
props.index("AreaCurveTrim")
form.trim.setText(
Locale.toString(
angle_format.format(
self.ship.AreaCurveTrim.getValueAs(
USys.getAngleUnits()).Value)))
except ValueError:
pass
# Update GUI
draft = Units.Quantity(form.draft.text()).getValueAs('m').Value
trim = Units.Quantity(form.trim.text()).getValueAs('deg').Value
self.preview.update(draft, trim, self.ship)
self.onUpdate()
return False
def initValues(self):
"""Setup the initial values"""
self.solids = None
selObjs = Gui.Selection.getSelection()
if not selObjs:
msg = QtGui.QApplication.translate(
"ship_console",
"Ship objects can only be created on top of hull geometry"
" (no objects selected)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
msg = QtGui.QApplication.translate(
"ship_console",
"Please create or load a ship hull geometry before using"
" this tool",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
self.solids = []
for i in range(0, len(selObjs)):
solids = self.getSolids(selObjs[i])
for j in range(0, len(solids)):
self.solids.append(solids[j])
if not self.solids:
msg = QtGui.QApplication.translate(
"ship_console",
"Ship objects can only be created on top of hull geometry"
" (no solid found at selected objects)",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
msg = QtGui.QApplication.translate(
"ship_console",
"Please create or load a ship hull geometry before using"
" this tool",
None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintError(msg + '\n')
return True
# Get the ship bounds. The ship instance can not have dimensions
# out of these values.
self.bounds = [0.0, 0.0, 0.0]
bbox = self.solids[0].BoundBox
minX = bbox.XMin
maxX = bbox.XMax
minY = bbox.YMin
maxY = bbox.YMax
minZ = bbox.ZMin
maxZ = bbox.ZMax
for i in range(1, len(self.solids)):
bbox = self.solids[i].BoundBox
if minX > bbox.XMin:
minX = bbox.XMin
if maxX < bbox.XMax:
maxX = bbox.XMax
if minY > bbox.YMin:
minY = bbox.YMin
if maxY < bbox.YMax:
maxY = bbox.YMax
if minZ > bbox.ZMin:
minZ = bbox.ZMin
if maxZ < bbox.ZMax:
maxZ = bbox.ZMax
self.bounds[0] = maxX - minX
self.bounds[1] = max(maxY - minY, abs(maxY), abs(minY))
self.bounds[2] = maxZ - minZ
input_format = USys.getLengthFormat()
mw = self.getMainWindow()
form = mw.findChild(QtGui.QWidget, "TaskPanel")
form.length = self.widget(QtGui.QLineEdit, "Length")
form.breadth = self.widget(QtGui.QLineEdit, "Breadth")
form.draft = self.widget(QtGui.QLineEdit, "Draft")
qty = Units.Quantity(self.bounds[0], Units.Length)
form.length.setText(Locale.toString(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
self.L = self.bounds[0] / Units.Metre.Value
qty = Units.Quantity(self.bounds[1], Units.Length)
form.breadth.setText(Locale.toString(input_format.format(
qty.getValueAs(USys.getLengthUnits()).Value)))
self.B = self.bounds[1] / Units.Metre.Value
qty = Units.Quantity(self.bounds[2], Units.Length)
form.draft.setText(Locale.toString(input_format.format(
0.5 * qty.getValueAs(USys.getLengthUnits()).Value)))
self.T = 0.5 * self.bounds[2] / Units.Metre.Value
return False
def getVolume(self, fp, level, return_shape=False):
"""Return the fluid volume inside the tank, provided the filling level.
Keyword arguments:
fp -- Part::FeaturePython object affected.
level -- Percentage of filling level (interval [0, 1]).
return_shape -- False if the tool should return the fluid volume value,
True if the tool should return the volume shape.
"""
if level <= 0.0:
if return_shape:
return Part.Vertex()
return Units.Quantity(0.0, Units.Volume)
if level >= 1.0:
if return_shape:
return fp.Shape.copy()
return Units.Quantity(fp.Shape.Volume, Units.Volume)
# Build up the cutting box
bbox = fp.Shape.BoundBox
dx = bbox.XMax - bbox.XMin
dy = bbox.YMax - bbox.YMin
dz = bbox.ZMax - bbox.ZMin
box = App.ActiveDocument.addObject("Part::Box", "Box")
length_format = USys.getLengthFormat()
box.Placement = Placement(
Vector(bbox.XMin - dx, bbox.YMin - dy, bbox.ZMin - dz),
Rotation(App.Vector(0, 0, 1), 0))
box.Length = length_format.format(3.0 * dx)
box.Width = length_format.format(3.0 * dy)
box.Height = length_format.format((1.0 + level) * dz)
# Create a new object on top of a copy of the tank shape
Part.show(fp.Shape.copy())
tank = App.ActiveDocument.Objects[-1]
# Compute the common boolean operation
App.ActiveDocument.recompute()
common = App.activeDocument().addObject("Part::MultiCommon",
"TankVolHelper")
common.Shapes = [tank, box]
App.ActiveDocument.recompute()
if len(common.Shape.Solids) == 0:
# The common operation is failing, let's try moving a bit the free
# surface
msg = QtGui.QApplication.translate(
"ship_console",
"Tank volume operation failed. The tool is retrying that"
" slightly moving the free surface position", None,
QtGui.QApplication.UnicodeUTF8)
App.Console.PrintWarning(msg + '\n')
rand_bounds = 0.01 * dz
i = 0
while len(common.Shape.Solids
) == 0 and i < COMMON_BOOLEAN_ITERATIONS:
i += 1
box.Height = length_format.format(
(1.0 + level) * dz +
random.uniform(-random_bounds, random_bounds))
App.ActiveDocument.recompute()
if return_shape:
ret_value = common.Shape.copy()
else:
ret_value = Units.Quantity(common.Shape.Volume, Units.Volume)
App.ActiveDocument.removeObject(common.Name)
App.ActiveDocument.removeObject(tank.Name)
App.ActiveDocument.removeObject(box.Name)
App.ActiveDocument.recompute()
return ret_value
def getVolume(self, fp, level, return_shape=False):
"""Return the fluid volume inside the tank, provided the filling level.
Keyword arguments:
fp -- Part::FeaturePython object affected.
level -- Percentage of filling level (interval [0, 1]).
return_shape -- False if the tool should return the fluid volume value,
True if the tool should return the volume shape.
"""
if level <= 0.0:
if return_shape:
return Part.Vertex()
return Units.Quantity(0.0, Units.Volume)
if level >= 1.0:
if return_shape:
return fp.Shape.copy()
return Units.Quantity(fp.Shape.Volume, Units.Volume)
# Build up the cutting box
bbox = fp.Shape.BoundBox
dx = bbox.XMax - bbox.XMin
dy = bbox.YMax - bbox.YMin
dz = bbox.ZMax - bbox.ZMin
box = App.ActiveDocument.addObject("Part::Box","Box")
length_format = USys.getLengthFormat()
box.Placement = Placement(Vector(bbox.XMin - dx,
bbox.YMin - dy,
bbox.ZMin - dz),
Rotation(App.Vector(0,0,1),0))
box.Length = length_format.format(3.0 * dx)
box.Width = length_format.format(3.0 * dy)
box.Height = length_format.format((1.0 + level) * dz)
# Create a new object on top of a copy of the tank shape
Part.show(fp.Shape.copy())
tank = App.ActiveDocument.Objects[-1]
# Compute the common boolean operation
App.ActiveDocument.recompute()
common = App.activeDocument().addObject("Part::MultiCommon",
"TankVolHelper")
common.Shapes = [tank, box]
App.ActiveDocument.recompute()
if len(common.Shape.Solids) == 0:
# The common operation is failing, let's try moving a bit the free
# surface
msg = QtGui.QApplication.translate(
"ship_console",
"Tank volume operation failed. The tool is retrying that"
" slightly moving the free surface position",
None)
App.Console.PrintWarning(msg + '\n')
rand_bounds = 0.01 * dz
i = 0
while len(common.Shape.Solids) == 0 and i < COMMON_BOOLEAN_ITERATIONS:
i += 1
box.Height = length_format.format(
(1.0 + level) * dz + random.uniform(-random_bounds,
random_bounds))
App.ActiveDocument.recompute()
if return_shape:
ret_value = common.Shape.copy()
else:
ret_value = Units.Quantity(common.Shape.Volume, Units.Volume)
App.ActiveDocument.removeObject(common.Name)
App.ActiveDocument.removeObject(tank.Name)
App.ActiveDocument.removeObject(box.Name)
App.ActiveDocument.recompute()
return ret_value
