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Merged
falconstryker merged 2 commits into from
Apr 17, 2026
Merged

Custom Z units #189

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5a7b474
Merge pull request #187 from NASA-Planetary-Science/devel
rurata Apr 13, 2026
733dce4
added custom vertical units for MarsPlot
rurata Apr 16, 2026
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103 changes: 85 additions & 18 deletions bin/MarsPlot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@

from matplotlib.ticker import (
LogFormatter, NullFormatter, LogFormatterSciNotation,
MultipleLocator
MultipleLocator, FuncFormatter
)

# Load amesCAP modules
Expand All @@ -76,6 +76,16 @@
global current_version
current_version = 3.5

PRESSURE_CONVERSIONS = {
"Pa": {"scale": 1.0, "label": "Pressure [Pa]"},
"hPa": {"scale": 1e-2, "label": "Pressure [hPa]"},
"mbar": {"scale": 1e-2, "label": "Pressure [mbar]"},
}

ALTITUDE_CONVERSIONS = {
"m": {"scale": 1.0, "label": "Altitude [m]"},
"km": {"scale": 1e-3, "label": "Altitude [km]"},
}

def debug_wrapper(func):
"""
Expand Down Expand Up @@ -641,6 +651,18 @@ def main():
# Alt. TRUE = include NaNs (use np.mean)
include_NaNs = eval("np.array(show_NaN_in_slice)", namespace)

# Define the default Z unit to plot
pres_unit_pref = "Pa"
alt_unit_pref = "m"

try:
pres_unit_pref = eval("pres_unit_pref", namespace)
except NameError:
pass
try:
alt_unit_pref = eval("alt_unit_pref", namespace)
except NameError:
pass

def mean_func(arr, axis):
"""
Expand Down Expand Up @@ -3610,18 +3632,29 @@ def do_plot(self):
var_info += f" (& {var_info2})"

if self.vert_unit == "Pa":
conv = PRESSURE_CONVERSIONS.get(pres_unit_pref, PRESSURE_CONVERSIONS["Pa"])

ax.set_yscale("log")
ax.invert_yaxis()
ax.yaxis.set_major_formatter(CustomTicker())
ax.yaxis.set_major_formatter(
FuncFormatter(lambda val, _: CustomTicker()(val * conv["scale"]))
)
ax.yaxis.set_minor_formatter(NullFormatter())
ylabel_txt = "Pressure [Pa]"
ylabel_txt = conv["label"]
else:
ylabel_txt = "Altitude [m]"
conv = ALTITUDE_CONVERSIONS.get(alt_unit_pref, ALTITUDE_CONVERSIONS["m"])

# Rescale altitude tick labels
ax.yaxis.set_major_formatter(
FuncFormatter(lambda val, _: f"{val * conv['scale']:.0f}")
)
ylabel_txt = conv["label"]

if self.Xlim:
plt.xlim(self.Xlim)
if self.Ylim:
plt.ylim(self.Ylim)
Ylim_native = [y / conv["scale"] for y in self.Ylim]
plt.ylim(Ylim_native)

super(Fig_2D_lat_lev, self).make_title(var_info, "Latitude",
ylabel_txt)
Expand Down Expand Up @@ -3725,18 +3758,29 @@ def do_plot(self):
var_info += f" (& {var_info2})"

if self.vert_unit == "Pa":
conv = PRESSURE_CONVERSIONS.get(pres_unit_pref, PRESSURE_CONVERSIONS["Pa"])

ax.set_yscale("log")
ax.invert_yaxis()
ax.yaxis.set_major_formatter(CustomTicker())
ax.yaxis.set_major_formatter(
FuncFormatter(lambda val, _: CustomTicker()(val * conv["scale"]))
)
ax.yaxis.set_minor_formatter(NullFormatter())
ylabel_txt = "Pressure [Pa]"
ylabel_txt = conv["label"]
else:
ylabel_txt = "Altitude [m]"
conv = ALTITUDE_CONVERSIONS.get(alt_unit_pref, ALTITUDE_CONVERSIONS["m"])

# Rescale altitude tick labels
ax.yaxis.set_major_formatter(
FuncFormatter(lambda val, _: f"{val * conv['scale']:.0f}")
)
ylabel_txt = conv["label"]

if self.Xlim:
plt.xlim(self.Xlim)
if self.Ylim:
plt.ylim(self.Ylim)
Ylim_native = [y / conv["scale"] for y in self.Ylim]
plt.ylim(Ylim_native)

super(Fig_2D_lon_lev, self).make_title(
var_info, "Longitude", ylabel_txt)
Expand Down Expand Up @@ -3864,8 +3908,6 @@ def do_plot(self):
idmin = np.argmin(abs(SolDay - self.Xlim[0]))
idmax = np.argmin(abs(SolDay - self.Xlim[1]))
plt.xlim([LsDay[idmin], LsDay[idmax]])
if self.Ylim:
plt.ylim(self.Ylim)

Ls_ticks = [item for item in ax.get_xticks()]
labels = [item for item in ax.get_xticklabels()]
Expand All @@ -3891,13 +3933,27 @@ def do_plot(self):
rotation = 0)

if self.vert_unit == "Pa":
conv = PRESSURE_CONVERSIONS.get(pres_unit_pref, PRESSURE_CONVERSIONS["Pa"])

ax.set_yscale("log")
ax.invert_yaxis()
ax.yaxis.set_major_formatter(CustomTicker())
ax.yaxis.set_major_formatter(
FuncFormatter(lambda val, _: CustomTicker()(val * conv["scale"]))
)
ax.yaxis.set_minor_formatter(NullFormatter())
ylabel_txt = "Pressure [Pa]"
ylabel_txt = conv["label"]
else:
ylabel_txt = "Altitude [m]"
conv = ALTITUDE_CONVERSIONS.get(alt_unit_pref, ALTITUDE_CONVERSIONS["m"])

# Rescale altitude tick labels
ax.yaxis.set_major_formatter(
FuncFormatter(lambda val, _: f"{val * conv['scale']:.0f}")
)
ylabel_txt = conv["label"]

if self.Ylim:
Ylim_native = [y / conv["scale"] for y in self.Ylim]
plt.ylim(Ylim_native)

super(Fig_2D_time_lev, self).make_title(
var_info, "L$_s$", ylabel_txt)
Expand Down Expand Up @@ -4895,19 +4951,30 @@ def do_plot(self):
- self.nPan*label_factor))

if self.vert_unit == "Pa":
conv = PRESSURE_CONVERSIONS.get(pres_unit_pref, PRESSURE_CONVERSIONS["Pa"])

ax.set_yscale("log")
ax.invert_yaxis()
ax.yaxis.set_major_formatter(CustomTicker())
ax.yaxis.set_major_formatter(
FuncFormatter(lambda val, _: CustomTicker()(val * conv["scale"]))
)
ax.yaxis.set_minor_formatter(NullFormatter())
ylabel_txt = "Pressure [Pa]"
ylabel_txt = conv["label"]
else:
ylabel_txt = "Altitude [m]"
conv = ALTITUDE_CONVERSIONS.get(alt_unit_pref, ALTITUDE_CONVERSIONS["m"])

# Rescale altitude tick labels
ax.yaxis.set_major_formatter(
FuncFormatter(lambda val, _: f"{val * conv['scale']:.0f}")
)
ylabel_txt = conv["label"]

plt.ylabel(ylabel_txt,
fontsize = (label_size - self.nPan*label_factor))

if self.Dlim:
plt.ylim(self.Dlim)
Ylim_native = [y / conv["scale"] for y in self.Dlim]
plt.ylim(Ylim_native)
if self.Vlim:
plt.xlim(self.Vlim)

Expand Down
5 changes: 5 additions & 0 deletions mars_templates/amescap_profile
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,11 @@ add_sol_to_time_axis = False
lon_coordinate = 360
# True includes NaNs in slices (like np.mean), False ignores NaNs (like np.nanmean)
show_NaN_in_slice = False
# Units for vertical coordinates. Defaults are [Pa] and [m]
# Doesn't affect interpolation units
# Additional types can be added to the dictionary in MarsPlot.py
pres_unit_pref = "Pa" # options: Pa, hPa, mbar
alt_unit_pref = "km" # options: m, km

<<<<<<<<<<<<<<| Pressure definitions for pstd |>>>>>>>>>>>>>

Expand Down
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