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
plt = Plot.figure('GZ')
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
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))
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
plt = Plot.figure('Areas curve')
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
# Plot areas curve
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
plt.update()
return False
