fix for #52 - setting geometry in empty geodataframe

jpswinski · jpswinski · commit e6d0f3a3bbbe · 2021-10-08T16:22:04.000-04:00
diff --git a/sliderule/icesat2.py b/sliderule/icesat2.py
@@ -284,7 +284,7 @@ def __query_servers(max_workers):
 def __emptyframe(**kwargs):
     # set default keyword arguments
     kwargs['crs'] = "EPSG:4326"
-    return geopandas.GeoDataFrame(crs=kwargs['crs'])
+    return geopandas.GeoDataFrame(geometry=geopandas.points_from_xy([], []), crs=kwargs['crs'])
 
 #
 #  __todataframe

Original file line number	Diff line number	Diff line change
`@@ -284,7 +284,7 @@ def __query_servers(max_workers):`
`284`	`284`	`def __emptyframe(**kwargs):`
`285`	`285`	`# set default keyword arguments`
`286`	`286`	`kwargs['crs'] = "EPSG:4326"`
`287`		`- return geopandas.GeoDataFrame(crs=kwargs['crs'])`
	`287`	`+ return geopandas.GeoDataFrame(geometry=geopandas.points_from_xy([], []), crs=kwargs['crs'])`
`288`	`288`
`289`	`289`	`#`
`290`	`290`	`# __todataframe`