All Questions
59 questions
1
vote
0
answers
20
views
Deleting photos in QFieldCloud
When I sync my QField projects (mobile) to QGIS (desktop) through QFieldCloud, I would like to be able to delete the synced photos in QFieldCloud. (To save space on my QFieldCloud).
It seems, however, ...
- 41
5
votes
2
answers
316
views
Deleting special characters from QGIS Attribute table
Is there a way to delete special characters such as *?
I've tried using replace and regexp_replace, but my version at least doesn't recognise special characters.
There are hundreds of fields, and I'm ...
- 157
2
votes
1
answer
149
views
When deleting attribute from GDB file all the fields in the remaining attributes get deleted as well in QGIS
In QGIS 3.38.2 I have a gdb shapefile with many attributes, let's say A100, A200, A300 and with many fields. When I go to the edit through the "Open attribute table" and delete A200, all the ...
- 191
0
votes
0
answers
13
views
Removing annotation boxes using QGIS [duplicate]
I'm using QGIS 3.36 Maidenhead and I need to remove annotation boxes that I added but do not want to keep.
I cannot find any option to delete or even edit them, only to add more. I've tried every way ...
0
votes
1
answer
71
views
Delete Features of a layer from PostgreSQL on QGIS itself
I have layers that I need to edit using QGIS that I import from my company's PostgreSQL server. I currently have the ability to add features, for example the line that I have drawn below:
However, ...
- 783
3
votes
1
answer
167
views
Delete only certain info of the attributes table and not a complete row in QGIS
I want to delete only certain information of certain cells of the attributes table in QGIS and not the complete rows or columns that contain that word. For example, I want to eliminate all the words &...
- 41
0
votes
2
answers
292
views
Deleting polygon constituted of many parts
I have a shapefile with multiple polygons and I would like to delete those which are constituted by multiple parts, as this one:
- 309
2
votes
0
answers
274
views
QField Cloud not downloading data collected in field onto computer- local files deleted
I have used this same project before, and now I am having issues with getting data from the cloud onto my machine.
I am helping someone (not me) with doing this, so the initial mistake I think was ...
- 195
0
votes
0
answers
54
views
Deleting borders from merged layers in QGIS
I merged more layers together but I need to delete these borders. It is possible?
2
votes
0
answers
83
views
QGIS: editing vector layer with 'delete feature' option locked
I need a vector layer to be editable, to change feature geometry and attributes, but at the same time, I need to prevent users from deleting features in the layer. Is there a way of locking the '...
- 103
4
votes
1
answer
1k
views
Rename and delete fields in the attribute table
I am using QGIS V3.22.6
I have an attribute table with unnecessary fields that I wish to delete. I also wish to rename some of the fields.
I cannot see how to do this using the Attribute Table Editor.
- 71
0
votes
0
answers
51
views
Delete more than one polygon at a time with Delete Part tool
I'm using QGIS 3.22. When using the Delete Part tool it can be pretty tedious when you have a lot of unwanted polygons to delete. As it stands, I only know how to delete one poly at a time. Is there ...
- 921
1
vote
1
answer
752
views
Points deleted in map do not delete in attribute table using QGIS
In QGIS 3.22.13 I have deleted a number of points from a SHP file. They have gone from the map but still appear in the attribute table.
I have tried reloading the attribute table and saving closing ...
- 203
1
vote
1
answer
195
views
Find model deleted from QGIS processing toolbox
Using Windows 10 with QGIS 3.26.1., I successfully save a model from QGIS and added it to the Processing Toolbox. I then wanted to remove it from Processing Toolbox by right clicking on the model in ...
- 74.9k
1
vote
2
answers
75
views
Deleting a field using plugin in QGIS 3
I am trying to write a function to delete a field using plugin in QGIS 3.24.
I have build a plugin , which consists of QgsFieldComboBox. So I can select a field from the combo box to delete (from the ...
user211028
3
votes
0
answers
148
views
Trouble deleting features from polygon in QGIS - features do not delete
Apologies if this is a daft question, I have googled it and searched on here, but can't find an answer. I have a multipolygon shapefile of different pockets of woodland. I am trying to delete some of ...
- 41
5
votes
1
answer
494
views
Deleting the same column(s) from different shapefiles in QGIS
In QGIS, I have a problem deleting the same column out of different shapefiles, is there a way to do this?
I want to delete several columns out of all these layers, is there a way to do this without ...
- 165
5
votes
3
answers
275
views
Nullifying the whole row in data attribute table at once in QGIS
I have a situation as you can see below:
and I would like to have one row cleared completely at once. Is it possible?
- 3,791
3
votes
2
answers
8k
views
Removing duplicates from the Attribute table by expression in QGIS
I have some duplicates in my data attribute table, you can see below:
I used the following formula:
count(1, "Site ID") > 1
based on this question: Identifying duplicate attributes in ...
- 3,791
2
votes
0
answers
130
views
Deleting large number of duplicates in attribute table in QGIS
In QGIS 3.22 I have a vector file with about 9000+ objects and for some reason, each of them has duplicates. Which way can I find on QGIS to remove duplicates which have the same object "ID" ...
- 447
6
votes
1
answer
2k
views
Deleting polygons within larger polygon in QGIS
I'm using Google Earth Pro to create some maps. I have a larger area (polygon) that has a few smaller areas that are not legally considered part of that larger area. I created the larger area and then ...
1
vote
1
answer
266
views
Deleting unused DEMs in a QGIS project
When I download DEMs for a diagonal section of coastline, I am forced to download a rectangular area, which leaves gigabytes of unused data. I want to delete the DEM files for the areas I don't need.
...
- 85
2
votes
0
answers
677
views
Removing duplicate records in the Attribute table using QGIS
I need to remove the duplicate objects in my attribute table (see the image attached), but I can't find a way to do so.
I saw questions asked with python that it NOT relevant to my case
- 447
0
votes
2
answers
367
views
Delete geometries based on intersection with another layer
Working on QGIS, I have two layers
1. buildings (polygons)
2. flood area (polygons)
I want to get rid of the building located in flood plains. In other words, I need to find where those layers ...
- 19
-2
votes
1
answer
197
views
Deleting whole project in QGIS [closed]
How do I delete the whole project in QGIS?
I used the above methods and was not successful.
8
votes
2
answers
4k
views
Deleting entry of GeoPackage
I created a GeoPackagein QGIS 3.18 that contains different entries (layers).
How can I delete just on entry of this GeoPackage?
- 139
1
vote
1
answer
1k
views
Deleting duplicate polygon using QGIS
I am using QGIS "Delete Duplicate Geometries" tool, I am trying to delete one of the below two polygons , but failed.
The below two polygons are identical with vertices , but the start of ...
- 11
1
vote
2
answers
248
views
Deleting data by location using another shapefile
I have two shapefiles: one is main file and another is a part divided (manually by selecting) from the main file.
Now i want to delete the divided part from the main file with the help of divided part....
- 849
6
votes
1
answer
1k
views
Merging and deleting with priority overlapping polygons in QGIS
I have two shapefiles with polygons: one is regions for a country and the other is the protected areas inside that country.
I have merged these two polygons with Union, but the regions and protected ...
- 63
1
vote
1
answer
306
views
Edit CSV not-spatial table in PyQGIS
I am trying to edit a not-spatial CSV table in PyQGIS 2.18 (i.e. deleting existing fields and adding new one ) for the first time (I can do it with polygonal vector layers but I guess something is ...
- 185
2
votes
3
answers
1k
views
Deleting part of polygon (or number of polygons) outside of another larger polygon in QGIS
I have got a number of polygons within a single larger polygon. Parts of the smaller polygons go out from under the larger one, and I want to delete the parts of the smaller polygons, that go outside ...
- 31
1
vote
0
answers
38
views
Delete overlapping features (select & delete hidden feature below)
I have a whole map, with a lot overlapping between features. The first image showed part of the map, with 100% opacity, so the most top features are shown.
And in the second image showed the same ...
- 119
0
votes
0
answers
938
views
Select and Delete from Multiple Layers at once in QGIS
I have imported a CAD drawing into QGIS as a GPK. It has imported everything that was in CAD. Now I want to delete features that I don't need. See below:
I know how to turn each layer on and then ...
- 1,830
0
votes
1
answer
168
views
Remove parts of line layer [closed]
I have a shapefile layer in QGIS containing Europes coastlines.
I want to extract only Norways coastline from this.
If I make a polygon layer that overlaps only Norway and then use the Vector ...
- 611
3
votes
1
answer
230
views
Deleting polygon created with Add Polygon Feature in QGIS
I was playing with the "Add polygon Feature" in QGIS. I ended up with some weird ugly polygon. How do I delete the polygon?
- 33
0
votes
2
answers
917
views
Deleting values less than 0.31 in NDVI raster layer in QGIS
In my research I have a Ndvi raster layer, and I want to delete the values corresponding to bare soil, which are those minor of 0.31. Therefore, I will obtain a new raster layer with those values ...
- 63
2
votes
1
answer
542
views
Renaming or deleting fields in multiple layers without creating new layers (QGIS)
I am very new to QGIS.
I have added three new fields using batch processor to all my layers (150 or so), but named them incorrectly. All I want to do is rename them correctly but I can't seem to do ...
- 21
2
votes
1
answer
2k
views
Delete points inside a polygon
I am working under QGis 3.4.8 Madeira under Windows 10.
I have uploaded two layers on my project.
Layer A is a points layer. Layer B is a polygons layer.
Some points of layer A are located in the ...
- 617
1
vote
1
answer
235
views
Layer not visible after deleting from attribute table QGIS
I'm a newbie for QGIS and trying to learn.
I was editing the attribute table in which process I deleted some rows. Then the layer became invisible in the project. After trying a lot I decided to redo ...
14
votes
1
answer
2k
views
How to prevent gpkg size increase when I delete attributes?
I have a file, polygons.gpkg that I am using in QGIS. Its original file size is 48MB.
When I do nothing except delete a handful of the attribute table's fields, I expect the file size to decrease. ...
- 589
5
votes
2
answers
1k
views
Delete an object or polygon that has been selected in a layer using the Graphical Modeler?
I wish to create a model in QGIS 3, that can delete a specific polygon that has been selected in a layer. Is it possible to do this? I go through a few different locations in a day and I don't wish to ...
- 211
5
votes
3
answers
3k
views
Deleting features with identical table attributes in QGIS
How do I delete features with identical table attributes in QGIS? Otherwise, is there a tool like the 'Delete Identical Tool' in ArcGIS?
For example, if I had 4 rows, and 3 columns, where I wanted to ...
- 465
2
votes
1
answer
336
views
Delete points on one side of a line in QGIS
I have a bunch of points and line that represents a boarderline as shown below:
I want to delete all the points one the right side of the line, and letting the points in the left side stay. I dont ...
- 221
1
vote
1
answer
144
views
New field added whenever I export shapefile to the geodatabase
I don't know why this is keep happening, but I created shapefile in QGIS and opened the shapefile from ArcGIS. I needed to create geodatabase to put in all of my shapefile, but whenever I do that, ...
- 21
2
votes
2
answers
618
views
Batch remove attributes
I'm having a little trouble using the merge command in QGIS. All the files have a range of different attributes, with some attribute headers in common. Some of these have different data format types ...
- 445
-1
votes
2
answers
5k
views
Delete Rows in Qgis using Field Calculator [closed]
I tried to delete all rows where Field "Width" has value 2?
- 187
1
vote
2
answers
623
views
Delete all points outside the contour of a WMS raster map
I have two layers in QGIS. One WMS raster layer with a country map and one layer with points. It looks like this:
I want to remove all the points that lie outside the contours of the country map, so ...
- 221
4
votes
1
answer
338
views
Deleting attribute records in one project also deletes it in another project?
Because I am learning QGIS and I had to delete records in a attribute table, I made a copy (project > save as > saving as 'project_copy' before deleting attributes. To be safe...
So I deleted the ...
- 369
2
votes
0
answers
193
views
QGIS 2.14.6 Delete Freehand Item [closed]
I've created a freehand shape, but can't delete it. Screen shot attached. I can select it but the trash bin is grayed out, and the delete button prompts the error code "provider does not support ...
- 87
4
votes
1
answer
775
views
Deleting symbols in QGIS symbol selector?
How do I delete symbols in the symbol selector QGIS?
I am trying to clear out a few old symbols from the library and was wondering how id do it.
- 351