stuff

1 files changed, 70 insertions, 0 deletions

diff --git a/skewt.py b/skewt.py
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+++ b/skewt.py
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+import matplotlib.gridspec as gridspec
+import matplotlib.pyplot as plt
+
+import metpy.calc as mpcalc
+from metpy.cbook import get_test_data
+from metpy.plots import add_metpy_logo, Hodograph, SkewT
+from metpy.units import units
+
+class Skewt:
+    def __init__(self, p, T, Td, title=None):
+        self._p = p
+        self._T = T
+        self._Td = Td
+
+
+        # Create a new figure. The dimensions here give a good aspect ratio
+        self._fig = plt.figure(figsize=(9, 9))
+        plt.rcParams["font.family"] = "monospace"
+        #self._fig = plt.figure()
+
+        if title is not None:
+            plt.suptitle(title, x=0, y=0, va='bottom', ha='left')
+
+        # Grid for plots
+        self._gs = gridspec.GridSpec(3, 3)
+        self._skew = SkewT(self._fig, rotation=45, subplot=self._gs[:, :2])
+
+        # Plot the data using normal plotting functions, in this case using
+        # log scaling in Y, as dictated by the typical meteorological plot
+        self._skew.plot(p, T, 'r')
+        self._skew.plot(p, Td, 'b')
+
+        plt.xlabel('$T$ $[^o C]$')
+        plt.ylabel('$p$ $[hPa]$')
+
+    def addWindUV(self, u, v):
+        self._u = u
+        self._v = v
+
+        ax = self._fig.add_subplot(self._gs[0, -1])
+        h = Hodograph(ax, component_range=max(u + v).magnitude)
+        h.add_grid(increment=20)
+        h.plot_colormapped(u, v, self._p)
+        plt.tight_layout()
+        plt.xlabel('$m/s$')
+        plt.ylabel('$m/s$')
+        self._skew.plot_barbs(self._p, u, v)
+
+    def addInfo(self, lines):
+        # TODO
+        ax = self._fig.add_subplot(self._gs[1,-1])
+        ax.text(0, 0, lines, ha='left', va='center', size=12)
+        ax.axis("off")
+
+
+    def plot(self, filename=None):
+        # Add the relevant special lines
+        #self._skew.ax.set_ylim(max(self._p), min(self._p))
+        self._skew.ax.set_ylim(1000, 100)
+        self._skew.plot_dry_adiabats()
+        self._skew.plot_moist_adiabats()
+        self._skew.plot_mixing_lines()
+
+        # Good bounds for aspect ratio
+        self._skew.ax.set_xlim(-30, 40)
+
+        if filename is not None:
+            plt.savefig(filename)
+        else:
+            plt.show()