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Plotting changes #53

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Merged
georgeholt1 merged 1 commit into from
May 18, 2026
Merged

Plotting changes #53

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16 changes: 7 additions & 9 deletions freegs4e/plotting.py
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Original file line number Diff line number Diff line change
Expand Up @@ -323,20 +323,18 @@ def plotEquilibrium(
axis.set_ylabel("Height [m]")

# plot flux contours
levels = linspace(amin(psi), amax(psi), 50)
levels = linspace(amin(psi), amax(psi), 35)
axis.contour(eq.R, eq.Z, psi, levels=levels)

# plot separatrix (from primary X-point)
if eq._profiles.flag_limiter:
label = "LCFS (limited plasma)"
else:
label = "Separatrix (primary X-point)"
colour = "r"
style = "solid"
axis.contour(
eq.R, eq.Z, psi, levels=[eq.psi_bndry], colors=colour, linestyles=style
eq.R, eq.Z, psi, levels=[xpt[0][2]], colors=colour, linestyles=style
)
axis.plot(
[], [], colour, label="Separatrix (primary X-point)", linestyle=style
)
axis.plot([], [], colour, label=label, linestyle=style)

# plot extra separatrix (LCFS) if plasma limited
if eq._profiles.flag_limiter:
Expand All @@ -346,15 +344,15 @@ def plotEquilibrium(
eq.R,
eq.Z,
psi,
levels=[xpt[0][2]],
levels=[eq.psi_bndry],
colors=colour,
linestyles=style,
)
axis.plot(
[],
[],
colour,
label="Separatrix (primary X-point)",
label="LCFS (limited plasma)",
linestyle=style,
)

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