Questions tagged [geometry]
(1) abstract geometry; (2) storing geographic data in projected coordinates; (3) a generic ESRI term for vector features; a class for "geometry" objects.
1,929 questions
-1 votes
1 answer
74 views
Using ArcPy UpdateCursor to remove Z geometry
I am trying to remove my Z values from a points layer, and the Z Val field has already been field calc'd to 0, but when I select a point the z geometry is still populated with an integer > 0. I ...
- 1
1 vote
2 answers
76 views
Checking if any coordinate falls outside their valid range of EPSG:4326-using GeoJSON
Here is an example GeoJSON: { "type": "FeatureCollection", "name": "example", "crs": { "type": "name", "properties": { &...
- 3,360
7 votes
4 answers
355 views
Identifying polygons with specific shape properties in QGIS
I am working with a dataset of WKT polygons in QGIS representing farms. Most geometries are given by a large number of vertices (polygons are irregular) and vary in size. I would like to drop ...
0 votes
0 answers
71 views
QGIS crashes while reading point geometry from Oracle
I would like to read point geometry stored in an Oracle database as a point with a rotation value. I create a table and add a point like this: CREATE TABLE points_with_rotation ( id integer, ...
- 398
1 vote
0 answers
61 views
Lines remaining in the created vector in QGIS
I’m trying to create a new polygon with 30% of the area of another one. After creating it manually using snapping and reshape features, I use the Difference tool from the Vector menu to generate a ...
- 11
1 vote
1 answer
109 views
Geometry of feature of temporary scratch layer will dissapear when changing it with PyQGIS
I have a permanent vector layer type linestring with only one feature. In the geometry a circle with a certain radius is saved. I will change the radius of the circle to a new value. This is my code (...
- 113
1 vote
0 answers
128 views
ArcGIS Pro Repair Geometry tool, using the OGC Validation Method
A variety of QGIS geoprocessing tools will return an Invalid Geometry error if any of the input layer(s) have been previously treated with the ArcGIS Pro Repair Geometry tool*. As I understand, this ...
- 7,938
0 votes
1 answer
139 views
QGIS: Cannot zoom to selected feature(s): Extent could not be determined
I’m working with a layer that contains multiple point-based observations. While I’m able to zoom to most of the features without issue, attempting to zoom to certain points results in the error: "...
- 35
3 votes
1 answer
184 views
"Points along Geometry" with interval distance 1km only creates one point at beginnning of track that is 18.2km
"Points along Geometry" with interval distance 1km only creates one point at beginnning of track that is 18.2 km (regardless of interval distance I get the same result). QGIS version 3.42.1-...
- 31
1 vote
0 answers
35 views
Adjusting for magnetic declination in old surveys
I have a survey from 1982 that utilizes the PLSS as a starting point but then provides distances and bearings. thence westerly 1,255.39 feet, South 89º42' West; thence South 00º08' West 592.0 feet; ...
- 21
3 votes
1 answer
117 views
Why does ST_Area_Spheroid in DuckDB return NaN?
I am having an issue that I have not been able to troubleshoot (see below for code to replicate). I am calculating the area in meters using ST_Area_Spheroid, but I am getting NaN as the result. I don'...
- 33
2 votes
1 answer
64 views
Automate: Create geometry from complex geometry generator symbols
I have a line layer in QGIS 3.28. It is set with very complex rule based geometry generator polygon symbols. The Symbols consist of 20 to 30 separte polygons, that may differ a lot from each other, ...
- 257
3 votes
1 answer
344 views
"Storing metadata for the specified URI is not supported" error when exporting data to shapefile without geometry in QGIS
I'm trying to export some table data to a shapefile. As the data doesn't have any geometry information, I'd expect a pure DBF-file to be created instead of a SHP-file (plus some more like prj, shx and ...
- 1,761
2 votes
2 answers
70 views
Removing orphaned rows from past relation in GPKG using QGIS
I am using QGIS to prepare a field protocol to collect tree regeneration data on the plot level. As I have many possible species, and collection data on 3 vertical layers (eg, one plot can have ...
- 3,488
0 votes
0 answers
93 views
ArcPy - getting map extents
I'm asking this as most of the answers I've seen are for layouts or older versions when arcpy.mapping was still a thing. I am trying to write a script to create a polygon that matches the current map ...
- 35