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2024年2月8日 #

[969] Add a spatial reference (a coordinate reference system, CRS) to a GeoDataFrame in GeoPandas

摘要: To add a spatial reference (a coordinate reference system, CRS) to a GeoDataFrame in GeoPandas, you can set the crs attribute of the GeoDataFrame to t 阅读全文

posted @ 2024-02-08 14:04 McDelfino 阅读(6) 评论(0) 推荐(0) 编辑

[968] Pandas, Data Frame, dtypes

摘要: In Pandas, you can use the dtypes attribute of a DataFrame to get the data type of each column. Here's how you can do it: import pandas as pd # Create 阅读全文

posted @ 2024-02-08 14:01 McDelfino 阅读(7) 评论(0) 推荐(0) 编辑

[967] Merge multiple polygons into a single unified polygon

摘要: In Shapely, you can use the unary_union method to merge a list of polygons into a single, unified polygon. Here's an example: from shapely.geometry im 阅读全文

posted @ 2024-02-08 13:58 McDelfino 阅读(7) 评论(0) 推荐(0) 编辑

[966] Merge two DataFrames horizontally

摘要: In Pandas, you can use the pd.concat function to merge two DataFrames horizontally (i.e., along columns). Here's an example: import pandas as pd # Sam 阅读全文

posted @ 2024-02-08 13:56 McDelfino 阅读(2) 评论(0) 推荐(0) 编辑

[965] Generate a new empty DataFrame with the same columns as an existing DataFrame in Pandas

摘要: To generate a new empty DataFrame with the same columns as an existing DataFrame in Pandas, you can use the pd.DataFrame constructor and pass the colu 阅读全文

posted @ 2024-02-08 13:54 McDelfino 阅读(3) 评论(0) 推荐(0) 编辑

[964] Convert a DataFrame to a GeoDataFrame

摘要: To convert a DataFrame to a GeoDataFrame in Pandas, you can use the geopandas.GeoDataFrame constructor and provide the geometry column. Here's an exam 阅读全文

posted @ 2024-02-08 13:51 McDelfino 阅读(24) 评论(0) 推荐(0) 编辑

[963] DataFrame to GeoDataFrame, GeoDataFrame.to_file() raises ValueError: Invalid field type <class 'numpy.int64'>

该文被密码保护。 阅读全文

posted @ 2024-02-08 13:45 McDelfino 阅读(0) 评论(0) 推荐(0) 编辑