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Questions tagged [attribute-table]

A tabular set of data linked one-to-one to a set of spatial features.

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Removing duplicates values from QGIS Attribute table

I have some fields with the same values after that I need to remove them. Some of the values are duplicates after I merged values from different layers and grouped them using the same ID number. For ...
Nista.geo's user avatar
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32 views

How to make a heatmap to show the distribution of attribute values more accurately?

I want to be able to create a heatmap that shows the distribution of the attributed "carbon" value within a merged layer. I have a merged vector point layer that represents the combination ...
Greeny's user avatar
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3 votes
3 answers
122 views

Deselecting duplicate records in QGIS Attribute table

Several SE-GIS posts describe how to identify duplicate records, such as Identifying duplicate attributes in field using QGIS. I would like to extend this concept by unselecting any duplicate records ...
Stu Smith's user avatar
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Displaying specific field values of attribute table in QGIS Print Layout

I am building a layout where I want to add the attribute table of the map and only display the maximum and minimum values of a field. I think there is the option to filter by expression but I am not ...
DobleG_95's user avatar
1 vote
1 answer
108 views

Assigning unique ID to new points in QGIS

I want to add a new field to my feature attribute table. In this field, I want to generate a random ID (just a number, like 1, 2, 3, etc.) for every new and existing point I create on the map. This is ...
Agos's user avatar
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1 answer
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Graduated symbology

I have opened a delimited text file with coordinates XY defined in two columns on the file plus two other columns with data and they are represented in QGIS as a point layer. I want to symbolize the ...
DobleG_95's user avatar
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51 views

How to keep attributes after a clipping operation in PyQGIS?

I'm trying to do a spatial clipping operation between 2 point layers, representing buildings and earthquakes, and a buffer area created by the user. The problem is that after operation, all attributes ...
Salvatore Diolosà's user avatar
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1 answer
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Creating a Report from selected features, using Attribute Table fields in QGIS

I am using QGIS 3 and I need to get reports from a selected feature of shapefile. This report has to include all the information of Attribute Table and if it is possible to show the selected polygon ...
leo samsung's user avatar
3 votes
1 answer
155 views

Calculate the substraction values fields of the nearest point between two points layers

In a heat island effect control project, I start from two point layers with the values of daytime and nighttime temperatures in degrees C: 'POINTS_DAY' 'POINTS_NIGHT' These layers contain the "...
Ingrid Ingravida's user avatar
3 votes
1 answer
134 views

QGIS - find overlapping areas between polygons and retrieve id per polygon

I'm having trouble understanding how to find overlapping areas between two polygons (using QGIS, but I'm open to coding if it's any easier), and obtain not only the output polygon, but also which ...
mto23's user avatar
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1 answer
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QGIS: Top symbol based on comparing values across different layers

I have several layers which overlap sometimes. I want the symbol visualized on top to be based on the smaller value between the three layers. How can I do that?
user243380's user avatar
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How can I add an empty Attribute column to an existing (ESRI) shapefile (.shp) [ or a Table] and populate it with values from a Raster (Image) layer?

I have a GIS layer of Agricultural Field Boundaries (cadastral boundaries) with dozen attributes including Owner's Name, Seasonwise Crop list, etc. I want to add and store a new attribute called ...
Dr. Manab Chakraborty's user avatar
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0 answers
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How to work multiple users in the same geopackage using QGIS

I'm having a problem when multiple users have to access, manipulate or just view the same database. Sometimes the user needs to edit some information in the rows of the attribute table, or to change ...
Kledson Lemes's user avatar
0 votes
1 answer
32 views

Display point labels alternatively to left and right

I am working in QGIS and I have a point layer whose labels are to be displayed left or right of the point. The formula I tried to make it work is, in label placement, selected Offset from Point mode, ...
Trikelians's user avatar
7 votes
2 answers
189 views

Making Autosize All Columns the default view every time attribute tables are opened in QGIS

At QGIS 3.34.6, attribute table column widths can be manually adjusted so that all values can be seen, using the Autosize dropdown: Question: How can I set QGIS so that Autosize All Columns is the ...
Stu Smith's user avatar
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35 views

Export attribute table to Excel without vertex-points

When exporting an attribute table the amount of vertex points (correct?) sometimes makes multiple rows in Excel. Is there a simple way to stop that?
Åke Eriksson's user avatar
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22 views

Is it possible to start a timer and select automatically a value in QField (Attribute form from QGIS)

I'm generating a form in QGIS 3.36 for QField and wonder if there is a way to select values in a list automatically based on the time since the first point in the 'site' column was added. Basically, I'...
M. Beausoleil's user avatar
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1 answer
37 views

New flow direction attribute for sub-catchment layer in QGIS

I have a polygon layer in QGIS with self-created sub-catchments. I also have a DEM, a flow-direction raster and a raster with the corresponding stream network and stream order. I would like to create ...
Fabi's user avatar
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0 answers
16 views

Add a frame at a fixed position in multipage report

In QGIS 3.28 I'm trying to create a multi-page report with an attribute table frame on each page. The number of pages depends on the number of points, but each should contain 40 points with some other ...
flisior's user avatar
  • 47
0 votes
0 answers
39 views

Changed project from QGIS 3.16 to 3.24, now 'NULL' fields turn into '-9223372036854775808'

Been working on a digitizing project on QGIS 3.16.15-Hannover, as I like to use LTR versions for the stability. But, 3.34 introduced an automatically incrementing UUID field, which I find useful. My ...
Nelg's user avatar
  • 175
3 votes
2 answers
184 views

A suggestion on how to create a cemetery shapefile to include multiple entries in an attribute table?

I want to do a small volunteer project of a war cemetery in my hometown and to make it available to public. However, I never did this so maybe you can have some suggestions to me. The hard part I ...
gis1234's user avatar
  • 319
1 vote
1 answer
39 views

Expression to count related number of owners in parcel layer in QGIS

Scenario: In a polygon layer with construction details (f.e. road, construction site) and one table layer with parcel owner information. Both layers have a column with the parcel_id, because the ...
Marek's user avatar
  • 537
1 vote
0 answers
57 views

Remove all null values from attribute table and move all the other values to the left

I use ArcGIS Pro and have over 50 shapefiles. I used the Union tool to merge all the Features in one map including all the attributes. Now I have like 10.000 Features with way too many columns. On the ...
ThomasHaarlem's user avatar
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0 answers
31 views

QGIS - Dropdown list for multi-select value-relation widget

Some fields in my project are currently configured using the value-relation widget. While everything is functioning correctly, my colleagues and I are used to working with the attribute table, row by ...
Giene's user avatar
  • 753
0 votes
1 answer
36 views

Add a supplemental attribute tables per project

I have a layer that has base attributes. I'd like to create supplemental attributes that particular to each project that base layer is used in, but doesn't affect the core data (or isn't available in ...
user94812's user avatar
  • 497
1 vote
1 answer
56 views

Find the longest unbroken and identical chain of a value in field

I'm working with large datasets regarding the concentration of pollutants in rivers. When the field "time" = 1 then the concentration has exceeded a certain limit for 10 mins. I need to know ...
Simon Iversen's user avatar
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0 answers
36 views

QGIS vector layer attribute table update using CSV - JOIN not working

I have an existing vector layer which I have added features to and updated the geometry existing features. The associated attribute table has 34 FIELDS (with 25 features). I'm trying to undertake a ...
finchys's user avatar
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0 answers
27 views

Update/refresh Table in QGIS-Layout

I have two tables in my layout. One is a Attribute table (of a polygon layer) the other one a table which shows the Sum of the first table multiply by 2. While the attribute table is updated when ...
Stefan's user avatar
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0 answers
51 views

"OK" button is grayed out in QGIS field calculator, despite troubleshooting

I am trying to add a new field to a shapefile layer (created in R) using the Field Calculator in the attribute table in QGIS. However, the "OK" button is grayed out and nothing I do will ...
Setophaga's user avatar
1 vote
0 answers
41 views

QGIS: Is there a fast way to export an attribute table without every column scrambling up

I have an attribute table where I arranged every column using 'organise column'. If i try to export the attribute table to XML then all the columns are scrambled again. I could rearrange them using ...
Gilles Voet's user avatar
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0 answers
45 views

Editing attribute data in QGIS

I have a large address file with the address (as an example) Adilsvej 16,4 tv ,DK-2000,Frederiksberg I need to remove the DK- from the 6000 plus rows. Can someone advice?
Tessa Bell's user avatar
1 vote
1 answer
59 views

Join by location lines and points, reporting more attributes in the table

I have two layers, one of points and one of lines. Visually, is something like thise: As you can see, each line has two points, as it was a graph with vertices and edges. The properties in the ...
Cla's user avatar
  • 11
0 votes
0 answers
58 views

Source encoding of Argentinean words that contain accents, "ñ", and end in "-ción"

I've trying to find the right source encoding that allows me to read correctly my attributes table with words that contain accents, "ñ, ü" and end in -"ción", but I still could not ...
DorExplor's user avatar
1 vote
0 answers
58 views

Adding photo in QGIS Attribute table and exporting in Excel

I want to export an attribute table in Excel with photos visible in table but in Excel in QGIS is visible like path-link, but I want to be a photo. Any idea?
Tania D.'s user avatar
1 vote
0 answers
64 views

Calculate geometry, coordinates precision in ArcGIS Pro

I'm using ArcGIS Pro and recently encountered an annoying issue using Calculate Geometry with coordinates. Let's say I create a point with DDM coordinates: 47 07.9000000E, 22 04,6000000N. If I check ...
Karvlad's user avatar
  • 11
0 votes
1 answer
78 views

Link two polygon records

So I have one feature class with many different polygons in it with different xy coordinates, different shapes, and different records all in the same attribute table. Some polygons share common ...
TheOmoSlide's user avatar
1 vote
1 answer
42 views

Adding raster file name to attribute table of polygonised version of raster file using QGIS Modeler

I have a polygonised output of a raster file but need to add the raster filename to the attribute table of the polygon (vector) file. I can do this manually using the command 'base_layer_name' but I ...
wj68's user avatar
  • 13
-2 votes
4 answers
267 views

Merging features with same value in table (CSV) [closed]

I have a table (CSV) with statistical data for different neighbourhoods in a city (population according to different age categories). My problem is that the neighbourhood doesn't have one field per ...
Klara H's user avatar
1 vote
1 answer
57 views

QGIS autoincrement ID for groups

I have an attribute table containing information about area, region, and samples. The table structure resembles the example shown below: My goal is to automate the generation of IDs when adding new ...
Fjedsen's user avatar
  • 13
4 votes
2 answers
114 views

Select features by joining table in QGIS

I have .shp layer with field "FIELD_1" in the attribute table (5000 records). I have also Excel file with field "FIELD_2" in the attribute table (1600 records). I want to select in ...
com's user avatar
  • 3,684
0 votes
1 answer
67 views

Merging field attributes in table using ArcGIS Pro

I have a polygon file that contains landowner data for parcels. Problem is, many parcels have more than one owner, so my attribute table can show 3-5 landowners per parcel, all with separate polygons. ...
danith12's user avatar
1 vote
0 answers
63 views

Automatically generate random points and add to attribute table

I would like if it is possible to modify an attribute table from a Geometry Generator expression. My goal is, while digitizing points (with Add point feature tool), use a Geometry Generator expression,...
Acperience's user avatar
  • 1,142
0 votes
1 answer
44 views

Using Attribute Table in QGIS [closed]

Can the attribute table of a shape layer be modified as a dynamic table, establishing a list of options and making the work easier?
Miguel López's user avatar
0 votes
1 answer
135 views

Undo Delete Field in QGIS

I am working on a very large point file and had deleted some field that I thought were not necessary from my attribute table. It turns out that I jumped the gun and should not have deleted the fields. ...
user234346's user avatar
0 votes
1 answer
39 views

ArcGIS Pro attribute table question

I'm in the middle of the transition from ArcMap to ArcGIS Pro. I have many records that I need to review. In ArcMap, I pan to the record (ctrl + N), use the down arrow key to go to the next record. In ...
Opeth's user avatar
  • 1
0 votes
0 answers
41 views

Display information from a different layer in an attribute table in QGIS

I have two different polygon layers we'll call them A and B. I would like to create an attribute table with fields that list areas of A and B (calculated using the $area function in field calculator). ...
Justin Perry Illustrator's user avatar
2 votes
2 answers
93 views

QGIS Value Relation Widget saves not the KEY COLUMN values but the VALUE COLUMN values in the attribute table

As far as I know, the "Value Relation Widget" is supposed to store the records from the field designated as KEY COLUMN in the attribute table, while the records from the field designated as ...
Chavdar Kirilov's user avatar
4 votes
2 answers
322 views

Automatically add latitude and longitude field upon creating a point feature in QGIS

I need to create two fields in the attribute table that automatically takes the latitude and longitude of the point features that i digitize, without running any other command or update. When i create ...
Redowan Sakib's user avatar
1 vote
0 answers
52 views

Generating an HTML list of descendants with Python

I'm currently working on a GIS project for the alternate history novel. As my point of divergence is sometime around 10 BCE, the languages are different so I am editing an ISO code table to account ...
Cole Wintringham's user avatar
0 votes
1 answer
72 views

Getting attribute values from a no geometry table for use in geometry by expression in QGIS

I have a no geometry table (named TABLE) with 3 fields. There are “Station”, “Offset”, and “Angle”. There are many rows of values (real numbers). These values will be used in geometry by expression. ...
Francis's user avatar
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