Questions tagged [vertices]
Also known as a "nodes", the points specifically used to describe a polygon or polyline in a "vector" or "linestring" representation.
340 questions
1 vote
0 answers
30 views
Exporting to TAB format shifts vertices in QGIS
When I export QGIS layer to TAB format some vertices has 1cm shift to unpredictable direction.
- 1,195
4 votes
1 answer
133 views
Moving snapped vertices of separate polygons in the same layer using QGIS
I am looking to move snapped vertices (in one move) to adjust the boundary of two snapped polygons. I want to avoid adjusting the vertex of each polygon and re-snapping, but rather move them together ...
- 141
2 votes
0 answers
92 views
Upgraded QGIS, need point tool to behave like previous one
I recently upgraded QGIS from 3.08 to 3.40. Im doing a job that requires me to use the point edit tool to move the vertexes of polygons from a layer to points from another, thats like half of my ...
- 383
0 votes
0 answers
30 views
Oracle SDO_UTIL.getvertices not returning all decimals for Y but returning full decimals for X
We have a PROD and DEV Oracle database for one of our clients and the return values for this query strangely do not match. Trying figure out why this problem happens in prod. SELECT t1.x AS longitude, ...
3 votes
2 answers
151 views
QGIS: Lable the vertices of a PolygonZ geometry with their z-coordinates
I got some Polygons from manual terrain measurements with QField. Now I'm trying to label each vertex with it's z-coordinate, but I'm failing to access the data. It works fine for x and y with the ...
- 31
1 vote
0 answers
44 views
Delete point features that are not on corners of a polygon
In QGIS 3.40.7, I need to extract the coordinates of the 4 corner vertices of a rectangle polygon. I have rectangle polygons which I split in two using split with lines, this results in two smaller ...
- 21
0 votes
0 answers
19 views
In QField edit toolbar is obscured by attribute table
In QField I'm not able to edit polygon points, the edit button is there and opens the Vertex toolbar but the attribute table doesn't minimise (or collapse) and sits over the toolbar. My GIS support ...
5 votes
1 answer
130 views
Manual editing of Z value in multiple vertices in QGIS
Is there any way in QGIS to manually edit the Z value of multiple (selected) vertices without creating a new layer, something like in ArcGIS using the "Z" button in the vertices table? What ...
- 51
1 vote
1 answer
140 views
QGIS Python script to snap vertices in selection rectangle
I have messy data with many segments which are supposed to meet at their end vertices, but in fact they come close but just miss each other. In my ideal world, I'd be able to select some vertices, ...
- 243
2 votes
1 answer
72 views
QGIS: Separate vertices for adjacent polygons on the same layer
I have two separate polygon features on the same layer within QGIS. They currently have a shared boundary and also seem to share the vertices along that boundary (as I snapped to the vertices when ...
- 21
1 vote
1 answer
111 views
Remove duplicate vertices of a line Part 2
Part 1 of the question is available here: Remove duplicate vertices of a line Part 2: I'm working with a new batch of lines coming from a Service Area processing in Qgis and again I a need to remove ...
- 75
4 votes
2 answers
326 views
Removing duplicate vertices of line in QGIS
I have a large linear shape coming from a batch service area elaboration that I need to "clean" to extract real start and end vertices in a new shape. When I try to extract specified ...
- 75
6 votes
2 answers
354 views
Finding corners where multiple polygons meet in QGIS
I have a shapefile of polygons representing sectors of a city. I would like to identify "corners" where 3 or more of these polygons meet (that is, I don't want to identify the boundaries ...
- 469
5 votes
2 answers
245 views
Identifying parts of multipart line in QGIS
I have a line (shapefile) with 745 vertices and an aggregate of three parts (multiparts). How can I identify where these multiparts are on the line? In ArcGIS Pro, each part was simply identified in ...
- 51
2 votes
0 answers
28 views
Reducing vertex points when using stream digitizing or tablet pencil in QField
Is there any way to reduce the number of vertices or points that are drawn when using a pen with a tablet in QField? We do field mapping and often have to digitize large areas that currently produce ...
- 21