75 lines
2.6 KiB
Python
75 lines
2.6 KiB
Python
import geopandas
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import os
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import rasterio
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import pandas as pd
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from matplotlib import pyplot
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from shapely.geometry import Point
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directory = os.path.dirname(os.path.abspath(__file__))
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GEODATA = os.path.join(directory, 'geodata')
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ECOREGIONS = os.path.join(GEODATA, 'ecoregions', 'Ecoregions2017.shp')
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ELEVATION = os.path.join(GEODATA, 'srtm', 'topo30-180.tif')
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TEMP = os.path.join(GEODATA, 'air_temp')
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PRECIP = os.path.join(GEODATA, 'precipitation')
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def read_temp_data(year):
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return pd.read_csv(os.path.join(TEMP, 'air_temp.{}'.format(year)), sep='\s+', header=None,
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names=['longitude', 'latitude', 'january',
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'february', 'march', 'april',
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'may', 'june', 'july', 'august',
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'september', 'november', 'october',
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'december', 'yearly_avg'])
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def read_precip_data(year):
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return pd.read_csv(os.path.join(PRECIP, 'precip.{}'.format(year)), sep='\s+', header=None,
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names=['longitude', 'latitude', 'january',
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'february', 'march', 'april',
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'may', 'june', 'july', 'august',
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'september', 'november', 'october',
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'december', 'yearly_avg'])
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eco = geopandas.read_file(ECOREGIONS)
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elevation = rasterio.open(ELEVATION)
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# world = geopandas.read_file(geopandas.datasets.get_path('naturalearth_lowres'))
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# world['geometry'] = world['geometry'].unary_union
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# world = geopandas.read_file(geopandas.datasets.get_path('naturalearth_lowres'))
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# print(world.head())
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# world = world[['continent', 'geometry']]
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# continents = world.dissolve(level=1)
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# continents.plot();
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# print(eco.head())
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# print(elevation)
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# eco['geometry'].boundary.plot()
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# eco.dissolve()
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# eco.plot()
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# # rasterio.plot.show(src)
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# # pyplot.imshow(elevation.read(1))
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# 51.42
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# 35.69
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# tehran = eco.geometry.contains()
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def get_point_information(longitude, latitude):
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p = Point(longitude, latitude)
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ecoregion = eco.loc[lambda c: c.geometry.contains(p)]
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return {
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'biome_num': ecoregion.loc['BIOME_NUM'].iloc[0],
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'biome_name': ecoregion.loc['BIOME_NAME'].iloc[0],
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}
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import time
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start_time = time.time()
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print('Before call')
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print('Tehran', get_point_information(51.42, 35.69))
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print("--- %s seconds ---" % (time.time() - start_time))
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start_time = time.time()
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print('Amazon', get_point_information(-59.78, -5.5))
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print("--- %s seconds ---" % (time.time() - start_time))
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# print(eco.geometry)
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# print(tehran.distance(world.boundary))
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# world.boundary.plot()
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pyplot.show()
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