def onOffset(self, value):
"""Executed when axes offsets have been modified."""
# Ensure that we can work
plt = Plot.getPlot()
if not plt:
self.updateUI()
return
axesList = [plt.axes]
if self.form.all.isChecked():
axesList = plt.axesList
# Set new offset
for axes in axesList:
# For some reason, modify spines offset erase axes labels, so we
# need store it in order to regenerate later
x = axes.get_xlabel()
y = axes.get_ylabel()
for loc, spine in axes.spines.iteritems():
if loc in ['bottom', 'top']:
spine.set_position(('outward', self.form.xOffset.value()))
if loc in ['left', 'right']:
spine.set_position(('outward', self.form.yOffset.value()))
# Now we can restore axes labels
Plot.xlabel(unicode(x))
Plot.ylabel(unicode(y))
plt.update()
def create(self, title, function, xlength, xname, xunit, xscale, yname,
yunit, yscale, numxpoints):
# Initialize
from FreeCAD.Plot import Plot
self.title = title
self.function = function # This is assumed to be always a SegmentFunction
self.xlength = xlength
self.xname = xname
self.xunit = xunit
self.xscale = xscale
self.yname = yname
self.yunit = yunit
self.yscale = yscale
self.numxpoints = numxpoints
# Create a plot window
self.win = Plot.figure(title)
# Get the plot object from the window
self.thePlot = Plot.getPlot()
# Format the plot object
Plot.xlabel("$%s$ [%s]" % (xname, xunit))
Plot.ylabel("$%s$ [%s]" % (yname, yunit))
Plot.grid(True)
# Calculate points
(self.xpoints,
self.ypoints) = self.function.evaluate(self.xlength, self.numxpoints)
# Create plot
self.plot()
def onLabels(self):
""" Executed when labels have been modified. """
plt = Plot.getPlot()
if not plt:
self.updateUI()
return
Plot.title(unicode(self.form.title.text()))
Plot.xlabel(unicode(self.form.xLabel.text()))
Plot.ylabel(unicode(self.form.yLabel.text()))
plt.update()
def plot(self, roll, gz):
""" Plot the GZ curve.
Position arguments:
roll -- List of roll angles (in degrees).
gz -- List of GZ values (in meters).
"""
try:
from FreeCAD.Plot import Plot
except ImportError:
try:
from freecad.plot import Plot
except ImportError:
msg = QtGui.QApplication.translate(
"ship_console",
"Plot module is disabled, so I cannot perform the plot",
None)
FreeCAD.Console.PrintWarning(msg + '\n')
return True
plt = Plot.figure('GZ')
self.plt = plt
gz_plot = Plot.plot(roll, gz, 'GZ curve')
gz_plot.line.set_linestyle('-')
gz_plot.line.set_linewidth(1.0)
gz_plot.line.set_color((0.0, 0.0, 0.0))
self.gz = gz_plot
ax = Plot.axes()
Plot.xlabel(r'$\phi \; [\mathrm{deg}]$')
Plot.ylabel(r'$GZ \; [\mathrm{m}]$')
ax.xaxis.label.set_fontsize(20)
ax.yaxis.label.set_fontsize(20)
Plot.grid(True)
plt.update()
return False
def plot(self, x, y, disp, xcb, ship):
""" Perform the areas curve plot.
@param x X coordinates.
@param y Transversal areas.
@param disp Ship displacement.
@param xcb Buoyancy center length.
@param ship Active ship instance.
@return True if error happens.
"""
try:
from FreeCAD.Plot import Plot
except ImportError:
try:
from freecad.plot import Plot
except ImportError:
msg = QtGui.QApplication.translate("ship_console",
"Plot module is disabled",
None)
FreeCAD.Console.PrintWarning(msg + '\n')
return True
areas = Plot.plot(x, y, 'Transversal areas')
areas.line.set_linestyle('-')
areas.line.set_linewidth(2.0)
areas.line.set_color((0.0, 0.0, 0.0))
# Get perpendiculars data
Lpp = ship.Length.getValueAs('m').Value
FPx = 0.5 * Lpp
APx = -0.5 * Lpp
maxArea = max(y)
# Plot perpendiculars
FP = Plot.plot([FPx, FPx], [0.0, maxArea])
FP.line.set_linestyle('-')
FP.line.set_linewidth(1.0)
FP.line.set_color((0.0, 0.0, 0.0))
AP = Plot.plot([APx, APx], [0.0, maxArea])
AP.line.set_linestyle('-')
AP.line.set_linewidth(1.0)
AP.line.set_color((0.0, 0.0, 0.0))
# Add annotations for prependiculars
ax = Plot.axes()
ax.annotate('AP', xy=(APx + 0.01 * Lpp, 0.01 * maxArea), size=15)
ax.annotate('AP', xy=(APx + 0.01 * Lpp, 0.95 * maxArea), size=15)
ax.annotate('FP', xy=(FPx + 0.01 * Lpp, 0.01 * maxArea), size=15)
ax.annotate('FP', xy=(FPx + 0.01 * Lpp, 0.95 * maxArea), size=15)
# Add some additional data
addInfo = ("$XCB = {0} \\; \\mathrm{{m}}$\n"
"$Area_{{max}} = {1} \\; \\mathrm{{m}}^2$\n"
"$\\bigtriangleup = {2} \\; \\mathrm{{tons}}$".format(
xcb.getValueAs("m").Value, maxArea,
disp.getValueAs("kg").Value / 1000.0))
ax.text(0.0,
0.01 * maxArea,
addInfo,
verticalalignment='bottom',
horizontalalignment='center',
fontsize=20)
# Write axes titles
Plot.xlabel(r'$x \; \mathrm{m}$')
Plot.ylabel(r'$Area \; \mathrm{m}^2$')
ax.xaxis.label.set_fontsize(20)
ax.yaxis.label.set_fontsize(20)
# Show grid
Plot.grid(True)
# End
return False
def plot(self, l, z, v):
""" Perform the areas curve plot.
@param l Percentages of filling level.
@param z Level z coordinates.
@param v Volume of fluid.
@return True if error happens.
"""
try:
from FreeCAD.Plot import Plot
except ImportError:
try:
from freecad.plot import Plot
except ImportError:
msg = QtGui.QApplication.translate(
"ship_console",
"Plot module is disabled, so I cannot perform the plot",
None)
FreeCAD.Console.PrintWarning(msg + '\n')
return True
plt = Plot.figure('Capacity curve')
self.plt = plt
# Plot the volume as a function of the level percentage
vols = Plot.plot(l, v, 'Capacity')
vols.line.set_linestyle('-')
vols.line.set_linewidth(2.0)
vols.line.set_color((0.0, 0.0, 0.0))
self.l = vols
Plot.xlabel(r'$\mathrm{level}$')
Plot.ylabel(r'$V \; [\mathrm{m}^3]$')
plt.axes.xaxis.label.set_fontsize(20)
plt.axes.yaxis.label.set_fontsize(20)
Plot.grid(True)
# Special percentage formatter for the x axis
fmt = '%.0f%%'
xticks = mtick.FormatStrFormatter(fmt)
plt.axes.xaxis.set_major_formatter(xticks)
# Now duplicate the axes
ax = Plot.addNewAxes()
# Y axis can be placed at right
ax.yaxis.tick_right()
ax.spines['right'].set_color((0.0, 0.0, 0.0))
ax.spines['left'].set_color('none')
ax.yaxis.set_ticks_position('right')
ax.yaxis.set_label_position('right')
# And X axis can be placed at top
ax.xaxis.tick_top()
ax.spines['top'].set_color((0.0, 0.0, 1.0))
ax.spines['bottom'].set_color('none')
ax.xaxis.set_ticks_position('top')
ax.xaxis.set_label_position('top')
# Plot the volume as a function of the level z coordinate
vols = Plot.plot(z, v, 'level')
vols.line.set_linestyle('-')
vols.line.set_linewidth(2.0)
vols.line.set_color((0.0, 0.0, 1.0))
self.z = vols
Plot.xlabel(r'$z \; [\mathrm{m}]$')
Plot.ylabel(r'$V \; [\mathrm{m}^3]$')
ax.xaxis.label.set_fontsize(20)
ax.yaxis.label.set_fontsize(20)
ax.xaxis.label.set_color((0.0, 0.0, 1.0))
ax.tick_params(axis='x', colors=(0.0, 0.0, 1.0))
Plot.grid(True)
# End
plt.update()
return False
def plotCoeffs(self):
""" Perform stability hydrostatics.
@return True if error happens.
"""
# Create plot
try:
from FreeCAD.Plot import Plot
except ImportError:
try:
from freecad.plot import Plot
except ImportError:
msg = QtGui.QApplication.translate(
"ship_console",
"Plot module is disabled, so I cannot perform the plot",
None)
FreeCAD.Console.PrintWarning(msg + '\n')
return True
plt = Plot.figure('Coefficients')
self.plt3 = plt
# Generate the set of axes
Plot.grid(True)
for i in range(0, 3):
ax = Plot.addNewAxes()
# Y axis can be placed at right
ax.yaxis.tick_right()
ax.spines['right'].set_color((0.0, 0.0, 0.0))
ax.spines['left'].set_color('none')
ax.yaxis.set_ticks_position('right')
ax.yaxis.set_label_position('right')
# And X axis can be placed at bottom
for loc, spine in ax.spines.items():
if loc in ['bottom', 'top']:
spine.set_position(('outward', (i + 1) * 35))
Plot.grid(True)
disp = []
draft = []
cb = []
cf = []
cm = []
for i in range(len(self.points)):
disp.append(self.points[i].disp.getValueAs("kg").Value / 1000.0)
draft.append(self.points[i].draft.getValueAs("m").Value)
cb.append(self.points[i].Cb)
cf.append(self.points[i].Cf)
cm.append(self.points[i].Cm)
axes = Plot.axesList()
for ax in axes:
ax.set_position([0.1, 0.35, 0.8, 0.65])
plt.axes = axes[0]
serie = Plot.plot(draft, disp, r'$T$')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((0.0, 0.0, 0.0))
self.draft3 = serie
Plot.xlabel(r'$T \; \left[ \mathrm{m} \right]$')
Plot.ylabel(r'$\bigtriangleup \; \left[ \mathrm{tons} \right]$')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
plt.axes = axes[1]
serie = Plot.plot(cb, disp, r'$Cb$')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((1.0, 0.0, 0.0))
self.cb = serie
Plot.xlabel(r'$Cb$ (Block coefficient)')
Plot.ylabel(r'$\bigtriangleup \; \left[ \mathrm{tons} \right]$')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
plt.axes = axes[2]
serie = Plot.plot(cf, disp, r'$Cf$')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((0.0, 0.0, 1.0))
self.cf = serie
Plot.xlabel(r'$Cf$ (floating area coefficient)')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
plt.axes = axes[3]
serie = Plot.plot(cm, disp, r'$Cm$')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((0.2, 0.8, 0.2))
self.cm = serie
Plot.xlabel(r'$Cm$ (Main section coefficient)')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
Plot.legend(True)
plt.update()
return False
def plotStability(self):
""" Perform stability hydrostatics.
@return True if error happens.
"""
try:
from FreeCAD.Plot import Plot
except ImportError:
try:
from freecad.plot import Plot
except ImportError:
msg = QtGui.QApplication.translate(
"ship_console",
"Plot module is disabled, so I cannot perform the plot",
None)
FreeCAD.Console.PrintWarning(msg + '\n')
return True
plt = Plot.figure('Stability')
self.plt2 = plt
# Generate the sets of axes
Plot.grid(True)
for i in range(0, 3):
ax = Plot.addNewAxes()
# Y axis can be placed at right
ax.yaxis.tick_right()
ax.spines['right'].set_color((0.0, 0.0, 0.0))
ax.spines['left'].set_color('none')
ax.yaxis.set_ticks_position('right')
ax.yaxis.set_label_position('right')
# And X axis can be placed at bottom
for loc, spine in ax.spines.items():
if loc in ['bottom', 'top']:
spine.set_position(('outward', (i + 1) * 35))
Plot.grid(True)
disp = []
draft = []
farea = []
kbt = []
bmt = []
for i in range(len(self.points)):
disp.append(self.points[i].disp.getValueAs("kg").Value / 1000.0)
draft.append(self.points[i].draft.getValueAs("m").Value)
farea.append(self.points[i].farea.getValueAs("m^2").Value)
kbt.append(self.points[i].KBt.getValueAs("m").Value)
bmt.append(self.points[i].BMt.getValueAs("m").Value)
axes = Plot.axesList()
for ax in axes:
ax.set_position([0.1, 0.35, 0.8, 0.65])
plt.axes = axes[0]
serie = Plot.plot(draft, disp, r'$T$')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((0.0, 0.0, 0.0))
self.draft2 = serie
Plot.xlabel(r'$T \; \left[ \mathrm{m} \right]$')
Plot.ylabel(r'$\bigtriangleup \; \left[ \mathrm{tons} \right]$')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
plt.axes = axes[1]
serie = Plot.plot(farea, disp, r'Floating area')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((1.0, 0.0, 0.0))
self.farea = serie
Plot.xlabel(r'$Floating \; area \; \left[ \mathrm{m}^2 \right]$')
Plot.ylabel(r'$\bigtriangleup \; \left[ \mathrm{tons} \right]$')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
plt.axes = axes[2]
serie = Plot.plot(kbt, disp, r'$KB_T$')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((0.0, 0.0, 1.0))
self.kbt = serie
Plot.xlabel(r'$KB_T \; \left[ \mathrm{m} \right]$')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
plt.axes = axes[3]
serie = Plot.plot(bmt, disp, r'$BM_T$')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((0.2, 0.8, 0.2))
self.bmt = serie
Plot.xlabel(r'$BM_T \; \left[ \mathrm{m} \right]$')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
Plot.legend(True)
plt.update()
return False
def plotVolume(self):
""" Perform volumetric hydrostatics.
@return True if error happens.
"""
try:
from FreeCAD.Plot import Plot
except ImportError:
try:
from freecad.plot import Plot
except ImportError:
msg = QtGui.QApplication.translate(
"ship_console",
"Plot module is disabled, so I cannot perform the plot",
None)
FreeCAD.Console.PrintWarning(msg + '\n')
return True
plt = Plot.figure('Volume')
self.plt1 = plt
# Generate the set of axes
Plot.grid(True)
for i in range(0, 3):
ax = Plot.addNewAxes()
# Y axis can be placed at right
ax.yaxis.tick_right()
ax.spines['right'].set_color((0.0, 0.0, 0.0))
ax.spines['left'].set_color('none')
ax.yaxis.set_ticks_position('right')
ax.yaxis.set_label_position('right')
# And X axis can be placed at bottom
for loc, spine in ax.spines.items():
if loc in ['bottom', 'top']:
spine.set_position(('outward', (i + 1) * 35))
Plot.grid(True)
disp = []
draft = []
warea = []
t1cm = []
xcb = []
for i in range(len(self.points)):
disp.append(self.points[i].disp.getValueAs("kg").Value / 1000.0)
draft.append(self.points[i].draft.getValueAs("m").Value)
warea.append(self.points[i].wet.getValueAs("m^2").Value)
t1cm.append(self.points[i].mom.getValueAs("kg*m").Value / 1000.0)
xcb.append(self.points[i].xcb.getValueAs("m").Value)
axes = Plot.axesList()
for ax in axes:
ax.set_position([0.1, 0.35, 0.8, 0.65])
plt.axes = axes[0]
serie = Plot.plot(draft, disp, r'$T$')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((0.0, 0.0, 0.0))
self.draft1 = serie
Plot.xlabel(r'$T \; \left[ \mathrm{m} \right]$')
Plot.ylabel(r'$\bigtriangleup \; \left[ \mathrm{tons} \right]$')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
plt.axes = axes[1]
serie = Plot.plot(warea, disp, r'Wetted area')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((1.0, 0.0, 0.0))
self.warea = serie
Plot.xlabel(r'$Wetted \; area \; \left[ \mathrm{m}^2 \right]$')
Plot.ylabel(r'$\bigtriangleup \; \left[ \mathrm{tons} \right]$')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
plt.axes = axes[2]
serie = Plot.plot(t1cm, disp, r'Moment to trim 1cm')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((0.0, 0.0, 1.0))
self.t1cm = serie
Plot.xlabel(r'$Moment \; to \; trim \; 1 \mathrm{cm} \; \left['
r' \mathrm{tons} \; \times \; \mathrm{m} \right]$')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
plt.axes = axes[3]
serie = Plot.plot(xcb, disp, r'$XCB$')
serie.line.set_linestyle('-')
serie.line.set_linewidth(2.0)
serie.line.set_color((0.2, 0.8, 0.2))
self.xcb = serie
Plot.xlabel(r'$XCB \; \left[ \mathrm{m} \right]$')
plt.axes.xaxis.label.set_fontsize(15)
plt.axes.yaxis.label.set_fontsize(15)
Plot.legend(True)
plt.update()
return False