Geospatial Python libraries

What will the following code return? import numpy as np; np.array([1, 2, 3]).dtype

• int64

• float64

• list

• array

How do you import the GeoDataFrame class from the geopandas library?

• from geopandas import GeoDataFrame

• import GeoDataFrame from geopandas

• import geopandas as gpd; gpd.GeoDataFrame

• from geopandas.GeoDataFrame import

Which line of code correctly reads a shapefile into a GeoDataFrame using Geopandas?

• gpd.read_file('my_shapefile.shp')

• gpd.open('my_shapefile.shp')

• GeoDataFrame.read_file('my_shapefile.shp')

• gpd.load('my_shapefile.shp')

Which function from rasterio is used to open and read raster data?

• rasterio.open()

• rasterio.read()

• rasterio.load()

• rasterio.get()

How can you extract the X and Y coordinates of a point geometry in Geopandas? Assume gdf is a GeoDataFrame containing a Point geometry.*

• gdf.geometry.x, gdf.geometry.y

• gdf.x, gdf.y

• gdf['geometry'].x, gdf['geometry'].y

• . gdf.loc[:, 'geometry'].x, gdf.loc[:, 'geometry'].y

What is the correct way to convert a GeoDataFrame to a JSON string

• gdf.to_json()

• gdf.to_string('json')

• gdf.export('json')

• json.dumps(gdf)

Which GDAL/OGR function is used to read vector data formats?

• gdal.Open()

• gdal.Read()

• ogr.Read()

• gdal.Read()

How do you plot a GeoDataFrame using Geopandas?

• gdf.plot_map()

• gdf.draw()

• gdf.plot()

• gdf.show()

What is the correct syntax to reproject a GeoDataFrame to a new CRS in GeoPandas?

• gdf.set_crs('EPSG:4326')

• gdf.reproject('EPSG:4326')

• gdf.crs = 'EPSG:4326'

• gdf.to_crs('EPSG:4326')

Which library function would you use to calculate the distance between two geographic points?

• geopy.distance.compute(point1, point2)

• geopy.distance.calculate(point1, point2)

• geopy.distance.measure(point1, point2)

• geopy.distance.distance(point1, point2)