python module restructure

3 files changed, 201 insertions, 0 deletions

diff --git a/plotter/__init__.py b/plotter/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/plotter/__init__.py
diff --git a/plotter/horizontal.py b/plotter/horizontal.py
new file mode 100755
index 0000000..a81b372
--- /dev/null
+++ b/plotter/horizontal.py
@@ -0,0 +1,113 @@
+#!/usr/bin/env python3
+import os
+import json
+
+import xarray as xr
+
+import numpy as np
+from metpy.plots import MapPanel, PanelContainer, RasterPlot, ContourPlot
+
+import misc
+
+config = {
+    'source': 'dwd_icon-eu/combined.grib2',
+    'plots': [
+        {
+            'name':'r_t-750',
+            'area': None,
+            'layers': [
+                {
+                    'layertype': 'raster',
+                    'field': 'r',
+                    'level': 750,
+                },
+                {
+                    'layertype': 'contour',
+                    'field': 't',
+                    'level': 750,
+                    'contours': 5,
+                    'clabels': True
+                },
+            ]
+        },
+    ]
+}
+
+def run(source, plots, output='.'):
+    misc.create_output_dir(output)
+    data = xr.load_dataset(source, engine='cfgrib')
+
+    for plot in plots:
+        _plot(data, output, **plot)
+
+def _plot(data, output, name, layers, area = None):
+    index = []
+
+    for step in data.coords['step']:
+        this_step = data.sel(step=step)
+
+        map_layers = []
+
+        for layer in layers:
+            map_layers.append(_layer(this_step, **layer))
+
+        valid = misc.np_time_convert(step.valid_time.values)
+        init = misc.np_time_convert(step.time.values)
+
+        valid_str = valid.strftime('%d %b %Y - %HUTC')
+        init_str = init.strftime('%d %b %Y - %HUTC')
+        hours_since_init_str = str(int(this_step.step.values / np.timedelta64(1,'h'))).zfill(2)
+        init_for_filename = init.strftime('%Y-%m-%d-%HUTC')
+
+        panel = MapPanel()
+        if area is not None:
+            panel.area = area
+        panel.projection = 'mer'
+        panel.layers = ['coastline', 'borders']
+        panel.plots = map_layers
+        panel.left_title = f'{name} VALID: {valid_str} (INIT +{hours_since_init_str}) INIT: {init_str}'
+        panel.right_title = 'FORECAST DWD ICON-EU'
+
+        pc = PanelContainer()
+        pc.size = (12.8, 9.6)
+        pc.panels = [panel]
+        pc.draw()
+        #pc.show()
+        outname = f'{name}_{init_for_filename}+{hours_since_init_str}.png'
+        pc.save(os.path.join(output, outname))
+
+        index.append(
+            {
+                'file': outname,
+                'init': init_str,
+                'valid': valid_str,
+                'valid_offset': hours_since_init_str
+            }
+        )
+
+    with open(os.path.join(output, f'{name}.index.json'), 'w') as f:
+        f.write(json.dumps(index, indent=4))
+
+def _layer(data, layertype, **kwargs):
+    layertypes={
+        'raster': {
+            'obj': RasterPlot,
+            'defaults': {
+                'colorbar': 'vertical',
+            }
+        },
+        'contour': {
+            'obj': ContourPlot,
+            'defaults': {}
+        }
+    }
+
+    args = layertypes[layertype]['defaults'] | kwargs
+
+    ret = layertypes[layertype]['obj'](**args)
+    ret.data = data
+
+    return ret
+
+if __name__ == '__main__':
+    run(**config)
diff --git a/plotter/vertical_from_grib.py b/plotter/vertical_from_grib.py
new file mode 100755
index 0000000..8aa851a
--- /dev/null
+++ b/plotter/vertical_from_grib.py
@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+import os
+
+import datetime
+import json
+
+import xarray as xr
+from metpy.units import units
+import metpy.calc as mpcalc
+import numpy as np
+
+import skewt
+
+import misc
+
+config = {
+    'source':'dwd_icon-eu/combined.grib2',
+    'plots':[
+        {
+            'lat':47.9626,
+            'lon':11.9964,
+            'name':'Antersberg',
+            'analysis':'lcl'
+        },
+    ]
+}
+
+def run(source, plots, output='.'):
+    misc.create_output_dir(output)
+    data = xr.load_dataset(source, engine='cfgrib')
+
+    for plot in plots:
+        _plot(data, output, **plot)
+
+def _plot(data, output, lat, lon, name, analysis=None):
+    for_temp = data.sel(latitude=lat, longitude = lon, method='nearest')
+    for_temp = for_temp[['r', 't', 'u', 'v']]
+    index = []
+
+    for step in for_temp.coords['step']:
+        this_step = for_temp.sel(step=step)
+
+        p = this_step.coords['isobaricInhPa'].values * units.hPa
+        T = this_step.t.values * units.K
+        relHum = this_step.r.values * units.percent
+        Td = mpcalc.dewpoint_from_relative_humidity(T, relHum)
+        u = this_step.u.values * (units.m / units.s)
+        v = this_step.v.values * (units.m / units.s)
+
+        valid = misc.np_time_convert(step.valid_time.values)
+        init = misc.np_time_convert(step.time.values)
+
+        valid_str = valid.strftime('%d %b %Y - %HUTC')
+        init_str = init.strftime('%d %b %Y - %HUTC')
+        hours_since_init_str = str(int(this_step.step.values / np.timedelta64(1,'h'))).zfill(2)
+
+        skt = skewt.Skewt(p=p, T=T, Td=Td)
+        skt.addWindUV(u, v)
+        skt.addInfo(f'{name} INIT+' + hours_since_init_str)
+        skt.addInfo(f"VALID: {valid_str}")
+        skt.addInfo(f"INIT : {init_str}")
+        skt.addInfo(f"LAT {lat} LON {lon}")
+
+        if analysis is not None:
+            skt.addAnalysis(shade=True, analysis=analysis)
+
+        # TODO get from source!
+        skt.addInfo("FORECAST DWD ICON-D2")
+
+        init_for_filename = init.strftime('%Y-%m-%d-%HUTC')
+
+        outname = f'skewt_{name}_{init_for_filename}+{hours_since_init_str}.png'
+        skt.plot(filename=os.path.join(output, outname))
+
+        index.append(
+            {
+                'file': outname,
+                'init': init_str,
+                'valid': valid_str,
+                'valid_offset': hours_since_init_str
+            }
+        )
+
+    with open(os.path.join(output, f'skewt_{name}.index.json'), 'w') as f:
+        f.write(json.dumps(index, indent=4))
+
+if __name__ == '__main__':
+    run(**config)