Questions tagged [feature-count]
Display number of features of a layer in QGIS
33
questions
1
vote
0
answers
31
views
Showing feature count when exporting map with qgis2web Plugin
I am trying to include the feature count when using the qgis2web PLugin. I have a point layer and I simply want to show the number of features for each specific field.
This is what I see in the layer ...
1
vote
1
answer
53
views
Style with ruler and entity count in QGIS
My layer style is rule based.
The number of entities is displayed.
When I uncheck certain items in the variable, the number of entities not displayed ends up going to zero.
Redisplaying the items ...
- 899
0
votes
1
answer
34
views
Showing feature counts for some legend items only in ArcGIS Pro
I would like to display the counts for the year features, but not the National Park boundary or Roads in my legend. I was able to turn the counts on for all of them (Legend Items > show properties &...
- 99
0
votes
1
answer
36
views
Count polylines crossing each raster cell
I'm looking for the best way to count polylines crossing each raster cell and assign that count value to the raster cell using arcpy.
On input I have a shapefile with hundred thousands of polylines ...
- 75
4
votes
1
answer
138
views
QGIS: Manually control "showFeatureCount" display for layer labels in legends
Is there a way to manually control the feature count for vector layer legend entries in a print layout in QGIS?
Activate feature count for a vector layer in the layer tree context menu for the layer
...
- 1,291
1
vote
1
answer
46
views
Display feature count in legend by map extent using mask and atlas plugins in print composer
I'm trying to generate thematic maps from point layers representing citizen requests using QGIS's Atlas map composer plugin as well as the Mask plugin to target the number of requests per district.
I ...
- 141
4
votes
1
answer
218
views
Count the number of features in a given map extent as dynamic text in map layout
In QGIS (3.22) print layout I want to calculate the number of companies in a given map extent as a dynamic text via expression. I am using the Atlas Tool.
However, with the following code I do not get ...
- 43
3
votes
1
answer
127
views
Numbering points that are contained in polygons in QGIS
In QGIS 3.16.8-Hannover I have a layer with polygons and I have a layer with points. Each polygon contains a certain number of points, I would like to assign a number to each point in sequential order ...
2
votes
0
answers
232
views
QGIS legend feature count by map extents
I have a legend in a layout and want to show the feature count within the extents of the map on the layout (Map 1). When I click on 'Show feature count for each class of vector layer', the count of ...
- 51
1
vote
1
answer
121
views
Counting all line features that overlap specific one from different shapefile
I have two shapefiles: 'Lines' and 'Base-line'. One attribute inside 'Base-line' is the number of 'Lines' features overlapping that specific 'Base-line' feature. It basically represents the number of ...
- 71
7
votes
2
answers
350
views
AttributeError when counting entity number using PyQGIS
I'm trying to count the number of entities but each time I have this error:
`AttributeError: 'dict' object has no attribute 'featureCount'
while I have only one selected layer
uri = r"C:\...
- 549
2
votes
0
answers
113
views
Feature count continues after turned off [closed]
I have several vector layers for which I had at one point turned on "show feature count" I've since turned it off, but every time I work on one of my layouts, I get constant pop-up ...
- 31
3
votes
2
answers
599
views
Adding consecutive unique ID for distinct value sets and sorting by date [closed]
I have a layer with features, which have a unique ID, called "Object_id". A second column is "Date", a third called "info" (see below).
What I need is to fill the fourth ...
- 283
8
votes
3
answers
2k
views
Adding consecutive unique ID starting from 1 for each distinct set of values
I need to add a unique ID (using $ID or @row_number) but the problem is that I need to start from 1 to "...n" considering identical values from other field, then, when there is a different ...
- 300
2
votes
2
answers
297
views
Right-Align Legend Feature Counts in ArcGIS Pro [closed]
I would like to align the feature counts in my legend, to look like this legend, generated in ArcGIS Online:
which I believe is much easier to read than this one, generated in ArcGIS Pro:
Is there ...
- 39
2
votes
2
answers
488
views
Count features in layers and categories
I want to automatically count features in my opened layers, and add the result in the layer name, with pyqgis. I can do it with this code :
layers = QgsProject.instance().mapLayers().values()
for ...
- 695
3
votes
1
answer
272
views
Get number of changed features in a layer using pyqgis
I'm looking for a method to find out how many features in a layer have changed during edit mode (specifically attribute values). For my example i'm using QgsVectorLayerEditBuffer object, method ...
- 31
1
vote
1
answer
304
views
Count subset of points in polygons
Being an SQL-noob, I found a working solution to generate a virtual layer with counts of points in the polygons of another layer, inspired by this
https://gis.stackexchange.com/a/54680
SELECT ...
- 3,221
2
votes
0
answers
28
views
All the third level Submenus in QGIS are gone
I suddenly am missing all of my third level submenus in QGIS. I wanted to use count points in polygon which exists on the vector analysis menu- but selecting it shows no other menus or dialog box ...
- 21
4
votes
3
answers
1k
views
Counting number of polygons inside zone using QGIS?
I've seen a lot of questions about counting the number of points within a polygon but my question is I have 1 vector layer with polygons showing past landslides that have occurred and another 206 ...
- 101
11
votes
2
answers
6k
views
Counting number of features within another feature using aggregate function in the QGIS Field calculator
My data: 1 polygon layer + 1 point layer
My target: Calculate the number of points and the sum of a field within each polygon using the aggregate function in the QGIS field calculator.
I know I can ...
- 547
2
votes
1
answer
2k
views
Formatting legend item and feature count text in ArcGIS Pro
In ArcGIS Pro you can turn on the option "Show feature counts" in Format legend item -> Feature Display Options to show the number of features for each legend item. However, when turned ...
- 111
2
votes
1
answer
469
views
Feature Count for Categorized Layers with the Atlas function of Print Layout in QGIS 3
In QGIS, is it possible to count the features of each class in a categorized layer where the features being counted are limited to those that are inside the current atlas feature?
I have tried ...
- 967
8
votes
1
answer
2k
views
Showing feature count for layout extent on legend using QGIS?
I'm using QGIS 3.6.1 on Win10.
I have a print layout with a map of an area within my total work data set.
I add an item to the print layout legend with the summation button on for "Show feature ...
- 91
3
votes
2
answers
467
views
Automate filling of attribute table using QGIS?
I am new to QGIS and wish to automate my current process.
In my project I have to open the attribute table of the batch_16 layer having 5 fields (date, checked_by, td_created, td_catagor and ...
- 385
1
vote
2
answers
247
views
How to efficiently extract specific metadata for many shapefiles?
I have a directory with 50 subdirectories containing a total of 300 shapefiles which I would like to query for their feature count and output to a text file.
Thus far I am able to get the feature ...
- 127
1
vote
1
answer
109
views
Trying to Count Number of Points within Specified Distance from Lines using Carto?
There were multiple points stacked on the same coordinates that I did not notice.
I am trying to count the number of points within 10km of lines (routes) so the routes can be styled according to the ...
- 23
-2
votes
1
answer
977
views
Using PyQgis to count number of features in category [closed]
Is there a way I can use pyqgis to count the number of features in different categories in one layer? I am using rule based renderer, and realizing that for some rules the feature count is actually ...
- 555
4
votes
1
answer
533
views
Get number of changed features in a layer under edit mode using pyqgis
Is there a method I can find out, how many features in a layer have changed during edit mode (including changes in the attribute and the geometry)?
- 555
0
votes
2
answers
59
views
Counting kilometers/lines with ArcGIS
I am trying to get a measure of border intensity of different regions in Europe.
Having a relevant shapefile of European countries at the regional level (NUTS2) as well several ones by century for a ...
- 41
7
votes
4
answers
3k
views
Fill with @row_number based on group field in QGIS 3
Is there a way to fill the table with a row number so that count will restart as new group (identified by a separate column) starts? As a result, "row number" column will restart the count ...
- 653
3
votes
1
answer
2k
views
Getting total feature count for multiple layers using PyQGIS? [closed]
I want the total feature count of all the features in all my layers. Doing it manually in QGIS 2.18.16 is too slow.
I have been trying PyQGIS, but am not good with PyQGIS.
Any tips?
- 31
6
votes
1
answer
940
views
Update feature count of QGIS Layers using PyQGIS when data source changes
In QGIS 2.18.19 I have a PostGIS Layer with a rule based render and activated show feature count. The feature count does not change automatically when doing some INSERTs (or DELETEs as well) directly ...
- 14.6k