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 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 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