Questions tagged [null-geometry]
The null-geometry tag has no usage guidance.
22
questions
2
votes
2
answers
183
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Adding coordinates to point feature with missing location
I have received some data from a third party that includes some point and line features that have no location information. I have the coordinates which I would like to use to provide that location ...
- 29.8k
3
votes
1
answer
252
views
Importing CSV results in NULL values for decimal column in QGIS
I am importing a .csv file and one of the "integer" columns ("ZVH Density") is all NULL values when imported as a Delimited Text file. Whole numbers import (known through trial and ...
- 31
1
vote
1
answer
98
views
Difference tool retains records of deleted point features (without geometry)
I was using the Difference tool in QGIS version 3.22 on a points layer with a polygon overlay. This failed. I read this problem is commonly reported in 3.22 and upgraded to 3.30.3, as advised.
Now, on ...
- 707
1
vote
1
answer
115
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ArcPy to include None geometries features
I'm using ArcPy’s JSON To Features function and saving the output featureclass within a gdb.
Some of the records in the input GeoJSON file don't have geometries but I want to keep them in the output. ...
- 687
3
votes
2
answers
406
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ST_Intersection fills up LIMIT with empty geometry points
I have managed to get the intersection between a circle around a point and objects in a geometry using this PostGIS query:
SELECT ST_Intersection(sea_level.geom, ST_Buffer(ST_Transform(ST_SetSRID(...
- 31
1
vote
0
answers
52
views
Features with geomety issues or unexpected CRS in Geopackage tables
In my project I've been asked to make some data validations to GeoPackage tables previous to start processing the data. I'm doing this with FME Dekstop.
Among other properties I should validate that ...
- 607
0
votes
1
answer
1k
views
What does it mean by NULL geometry of a shapefile in ArcGIS?
I was trying to work on a line shapefile and while trying to call the firstpoint of the shapefile, it was throwing me an error saying the shapefile has nothing called firstpoint. Then I repaired the ...
4
votes
1
answer
2k
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Solving ‘Null geometry…’ error during distance matrix operation?
I have a tab delimited file with data about earthquakes epicenters and their intensities (signif.txt). I also have a shape file with point data representing populated places of the world (...
- 473
1
vote
1
answer
282
views
How to record an unknown geometry in QGIS?
In the QGIS Python API it states that "a null geometry will always return true for isEmpty()."
For a geometry, a relational database null refers to an unknown geometry. For example, if I had a ...
- 997
44
votes
3
answers
63k
views
Ignoring invalid input features with Intersection tool in QGIS?
In QGIS 2.18, when I used the Vector > Geoprocessing Tools > Intersection tool, I was able to check an option which said "Ignore NULL geometries [optional]".
Now I've downloaded QGIS 3.2 and that ...
- 2,689
5
votes
3
answers
2k
views
Creating feature with empty geometry using PyQGIS
I would like to create a model point dataset in QGIS 3.0.3 with Python in the QGIS Python Console to do some testing. Specifically, I want to create a point dataset that has a feature with an empty ...
- 997
2
votes
1
answer
248
views
Intersect outputs shapefile with null values
I have a model that iterates through a folder of field boundaries (polygons) and produces an intersect against a shapefile of points. The output is then a point shapefile for each boundary. Note: ...
- 1,913
2
votes
2
answers
88
views
Can polyline shapefile hold geometries with 0 vertices?
I have a polyline shapefile and a few geometries (5 out of 2000+) have no vertices at all.
I am a bit surprised and was wondering whether my shapefile is broken (so I have a bug when creating the ...
- 23
1
vote
0
answers
75
views
CreateFeatureclass_management Not Displaying in Map - Null Geometry
I have two feature classes that share a common ID field. I wrote a script to create a new feature class that contains the records in the first FC that are not in the second FC.
It works, in that it ...
- 11
2
votes
1
answer
148
views
ArcGIS 10.2 Custom Geocoder outputs results with no geometry
I have a custom general single field geocoder that reads a meter number field attached to premise points. This meter number field is the only link between our premise points and corrosion data tables ...
- 51