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Plotting: Hide regions of mesh in penalty regions #196

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Plotting: Hide regions of mesh in penalty regions #196

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f258d70
Plotting: Hide regions of mesh in penalty regions
bendudson Jun 21, 2025
5c31258
Plotting: Simplify plotting of cell edges with penalty mask
bendudson Jun 21, 2025
f68b327
Merge branch 'master' into plot-hide-penalty-regions
bendudson Aug 27, 2025
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81 changes: 56 additions & 25 deletions hypnotoad/core/mesh.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3220,9 +3220,11 @@ def smoothnl(self, varname):
if change < 1.0e-3:
break

def plotGridCellEdges(self, ax=None, **kwargs):
def plotGridCellEdges(self, ax=None, exclude_penalty=True, **kwargs):
"""
Plot lines between cell corners

exclude_penalty Exclude regions where penalty mask > 0.99?
"""
from matplotlib import pyplot
from cycler import cycle
Expand All @@ -3235,25 +3237,31 @@ def plotGridCellEdges(self, ax=None, **kwargs):
for region in self.regions.values():
c = next(colors)
label = region.myID
for i in range(region.nx + 1):
ax.plot(
region.Rxy.corners[i, :],
region.Zxy.corners[i, :],
c=c,
label=label,
**kwargs,
)
label = None
label = region.myID
for j in range(region.ny + 1):
ax.plot(
region.Rxy.corners[:, j],
region.Zxy.corners[:, j],
c=c,
label=None,
**kwargs,
)
label = None

for i in range(region.nx):
for j in range(region.ny):
if exclude_penalty and region.penalty_mask[i, j] > 0.99:
continue
# Plot cell edges around (i,j)
ax.plot(
[
region.Rxy.corners[i, j],
region.Rxy.corners[i, j + 1],
region.Rxy.corners[i + 1, j + 1],
region.Rxy.corners[i + 1, j],
],
[
region.Zxy.corners[i, j],
region.Zxy.corners[i, j + 1],
region.Zxy.corners[i + 1, j + 1],
region.Zxy.corners[i + 1, j],
],
c=c,
label=label,
**kwargs,
)
label = None
return ax

def plotPenaltyMask(self, ax=None, **kwargs):
from matplotlib import pyplot
Expand Down Expand Up @@ -3283,8 +3291,14 @@ def plotPenaltyMask(self, ax=None, **kwargs):
"k",
alpha=penalty,
)
return ax

def plotGridLines(self, ax=None, exclude_penalty=True, **kwargs):
"""
Plot lines through cell centers

def plotGridLines(self, ax=None, **kwargs):
exclude_penalty Exclude regions where penalty mask > 0.99?
"""
from matplotlib import pyplot
from cycler import cycle

Expand All @@ -3298,27 +3312,44 @@ def plotGridLines(self, ax=None, **kwargs):
for region in self.regions.values():
c = next(colors)
label = region.myID
jmin = 0
jmax = region.ny - 1
for i in range(region.nx):
if exclude_penalty:
jwhere = numpy.argwhere(region.penalty_mask[i, :] < 0.5)
if len(jwhere) == 0:
continue
jmin = jwhere[0][0]
jmax = jwhere[-1][0]
ax.plot(
region.Rxy.centre[i, :],
region.Zxy.centre[i, :],
region.Rxy.centre[i, jmin : (jmax + 1)],
region.Zxy.centre[i, jmin : (jmax + 1)],
c=c,
label=label,
**kwargs,
)
label = None
label = region.myID
imin = 0
imax = region.nx - 1
for j in range(region.ny):
if exclude_penalty:
iwhere = numpy.argwhere(region.penalty_mask[:, j] < 0.5)
if len(iwhere) == 0:
continue
imin = iwhere[0][0]
imax = iwhere[-1][0]
ax.plot(
region.Rxy.centre[:, j],
region.Zxy.centre[:, j],
region.Rxy.centre[imin : (imax + 1), j],
region.Zxy.centre[imin : (imax + 1), j],
c=c,
label=None,
**kwargs,
)
label = None
l = fig.legend()
l.set_draggable(True)
return ax

def plotPoints(
self,
Expand Down
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