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Questions tagged [geodataframe]

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0
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1answer
29 views

Equivalent method for .withcolumn() for geodataframe

I am trying to use a user-defined function in pyspark in order to check whether the points in CANmep_GDF lie within the polygons in gda_GDF. from geopandas import GeoDataFrame def check_exist(geom):...
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0answers
34 views

Locating observations that lies within a collection of Polygons (Python)

I'm trying to locate the observations that lie within a collection of Polygons but my current implementation takes forever, and I suspect that it is because the 'within' method needs to check all ...
0
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0answers
52 views

Issue with GeoPandas method 'contains' for two GeoDataFrames

I want to verify that a GeoDataFrame called mask2 COMPLETELY CONTAINS all the linestrings in another GeoDataFrame called transect_file2. In the image is clearly visible that transect number 16 (TR_ID=...
2
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1answer
148 views

How to convert a spatial Oracle LOB object type to a Geodataframe listlike geometry object column

I have in my dataframe one column with cx_Oracle.LOB object [2D polygon type], made with a SDO_UTIL.TO_WKTGEOMETRY SQL function and I want to create a geodataframe, and set my geometry column the ...
0
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1answer
71 views

How to create a shapefile [polygon type] from a Geodataframe, returned from a Oracle Spatial cursor with geometry column type=cx_Oracle.LOB?

I'm trying to create a shapefile [2D polygon type] with a Geodataframe, that result from a SQL made to a Oracle Spatial database. The SQL and the Geodataframe creation runs without errors, but when I ...
1
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0answers
28 views

Python function like SAGA Grid Gridding?

For a python script, I'm searching for a function that does the same as SAGA Grid gridding, an exponential interpolation on GeoPandas GeoDataFrame. Does anyone know one?
0
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1answer
463 views

How to convert GeoSeries polygons to lists of coordinates?

I have a GeoDataFrame consisting polygons. How can I convert each polygon into a list of coordinates? Is there any attribute, method or function in GeoPandas to do this?
3
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1answer
1k views

Convert polygon bounding box to geodataframe?

I have a pandas dataframe that contains bounding box information for tiled raster data in the following format. left bottom right top 466583.40921 3135701....
2
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1answer
1k views

Geometry Data in GeoDataFrame will not plot

I want to import a CSV to use as a geodataframe. When I plot it, nothing shows, which makes me think I'm doing something wrong. Here's my code. import pandas as pd from geopandas import GeoDataFrame ...
0
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1answer
97 views

MapInfo Pro 64-bit - 16.0.3 - Snap Frame to Guideline (unable to?)

I am using MapInfo Pro 64-bit v16.0.3 In the layout, I want to snap my map frame to the guideline. I've noticed that when I create a rectangular box, this snaps to the guidelines once the edge is ...
0
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1answer
447 views

Why gdf.explode() doesn't work?

I'm trying to merge 2 geodataframes and combine all entities. So I use : cloudNshadow = gpd.overlay(cloud, shadow, how='union') cloudNshadow = cloudNshadow.unary_union() But it returns me : ...
1
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1answer
412 views

Intersection with Shapely and Fiona gives Key Error

I have written a script for standalone python based on this example for doing intersections of linestrings (representing streets) and polygons (representing gridcells) using shapely/fiona. The ...
4
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2answers
4k views

Create a polygon grid using with Geopandas

I'm working with a geodataframe of points and I need to create a grid of rectangular polygons. I know how to have bounds of the geodataframe with gdf.geometry.bounds. Now using this information and ...
0
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1answer
2k views

CSV to Geodataframe : How to have valid geometry objects?

I'm writing a script with Geopandas. I try to use a csv of blocks to make a spatial join. So I convert it as a Geodataframe. But when I want to set geometry column it returns me Input geometry column ...