Questions tagged [attribute-table]
A tabular set of data linked one-to-one to a set of spatial features.
2,182
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QGIS: Prevent numbers and their units being split across rows [closed]
The correct convention for displaying measurements in text is to have a space between the number and the unit such as 10 m. Personally I don't like it but its what I have to work with. When presenting ...
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2
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176
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Saving and applying layout of columns in QGIS Attribute Table
I have multiple projects with similar layers.
Here is an example, with all attributes (fields) visible in default order.
I do use this layout for certain tasks. But for other tasks, I wish to hide ...
- 1,656
6
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238
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Editing width of drop down field list in the QGIS Attribute Table
Can I change the width of the drop-down field (attribute) list in the attribute table that is used for editing, i.e. the highlighted drop-down in the image below with the value "ID"? The ...
- 1,656
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Using attributes tables as variables in QGIS
I work for a company where we use the same file when starting a project, with all the print layouts already configured, including the names/themes of the maps, since we usually need the same themes. ...
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2
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140
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QGIS Aggregate expression Function with GroupBy argument
I have a Layer "SplitNEW" which is grouped by the "group"-Column as follow:
0-RED , 1-GREEN , 3-BLUE.
The 3 Lines where previous split. Each Row in attribute table stands for an ...
- 43
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answer
113
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Creating dummy (random) vector layers of different geometry types, with random attributes
Problem
In QGIS, one sometimes needs some layers with dummy data just to test something: the functionality of an expression, the syntax of an SQL query in a virtual layer, creting quickly an animation ...
- 67.2k
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95
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Showing attribute field of date type with years in four digits in QGIS
The problem
I use QGIS 3.34 Prizren. I have an attribute field of date type. Unfortunately, years are shown only with two digits: 23 instead of 2023. As a historian, this is really bad as it could be ...
- 67.2k
3
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57
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QGIS print layout: Dynamic text with attributes from different layers with different geometry
I have made a print layout containing a map and 2 different vector layers. 1 polygon and 1 point layer.
I have used til polygon layer to control my atlas function.
The polygons are fields and the ...
- 31
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20
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QGIS - field calculator of to calculate the closest point on an arbitrary line
Trying to use the field calculator to calculate the closest point on an arbitrary line for each point in an object and append the column to the attribute table. I've had success doing the calculation ...
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SVG Symbol in Attribute Table
i have few hundred records in table, i need to select them and add SVG symbol to correct one in QGIS.
I created new rule in in attribute table, then i wrote a simple rule (thats only two of much more)
...
- 41
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135
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Creating SVG point symbol depending on content of attribute field in QGIS
I have almost 300 localization of different airports with name by ICAO,
for example my column name is "ICAO" and values are "EPGD-Gdansk", "EPWA-Warsaw" "EPWM-Warsaw&...
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3
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231
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Automate zooming/panning to selected feature(s) in QGIS without manual clicks
I'm wondering if there's a functionality or a button in QGIS that allows for automatic zooming and panning to the currently selected feature. Instead of manually clicking zoom/pan buttons each time, ...
- 389
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39
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QGIS crashes when running Action to create new field
I made a layer style with a python action with following code :
def add_field(field_name, layer, field_type=QVariant.Invalid, field_length=0, field_precision=0, value=None, from_field=False):
if ...
- 1,097
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73
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Selecting multiple points from an attribute table in QGIS, based on uncategorized field value
I have a point shapefile in QGIS (3.30.2) containing more than 2000 points. I selected about 150 of these points based on a special criteria.
I need to create a separate shapefile with only these 200 ...
- 591
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28
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QGIS messes up attribute table when joining by location [closed]
I have a layer with attributes that I imported from a .csv and a geopackage that I created.
When I try to do a join by location with both QGIS created an fid column, deletes every value from the first ...
- 21
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31
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How to use query builder to select range of waypoints?
If I have a range of waypoints (x,y coordinates) in an attribute table, what is the best way in query builder to select a range of those points? I would also like to delete the selected points.
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Create word documents from observations in attribute table
In my QGIS project (3.32.2) I have one point and one polygon vector layer. In both layers, a row (observation) corresponds to a mapped natural object. In the columns (fields), the objects are ...
- 19
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17
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QGIS Print Layout - Dynamic Text Box & Linking With Attribute Table Entry
I am creating a set of maps showing individual polygons (sites) from a vector layer in QGIS and want to include a text box in them which contains an entry from the attribute table.
There are 87 ...
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1
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45
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QGIS multilevel query: aggregate values from different layers
QGIS 3.28.4. I have 3 shapefiles:
polyline, street information (streetId, + streetInfos...)
point, stake information (StakeId,streetId, + Stakeinfos.....)
polyline, pannels information (PannelId, ...
- 586
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2
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153
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QGIS expressions: creating an array based on integer fields returns 0 for field value NULL
Problem
I use QGIS expressions (tested in QGIS 3.32.3 Lima and 3.34.0 Prizren on Win 10) to create an array based on attribute fields like array("field1,"field2"). I have fields of type ...
- 67.2k
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1
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36
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Insert data from the clipboard into the attribute table's column (Do not create new features)
Is it possible to insert data from the clipboard into the column? (Do not create new points)
I have a table where I need to change the data of one attribute. I have the new data for the attribute in ...
- 101
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140
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Creating a concatenated field with conditions, changing a numeric field to 4 digits
Starting from a table with fields:
"ID" (14 digit string)
"COND" (numeric)
"CDC1" (1 digit string)
"CDC2" (1 digit string)
The goal is to concatenate with an ...
- 1,441
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30
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Using Modeler to change attribute names to (self) set standard
I'm trying to use the Modeler to format a vector layer input with an attribute table to a new vector layer with the same attribute table, but where the column names are standardised. The point of this ...
- 19
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0
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26
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All values entered using fields with a list of values are transformed into (0)
All values entered using fields with a list of values are transformed into (0) how can we find back the selected values, we lost a lot of work and can't find backups.
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48
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Attribute table can't be "unfiltered"
We got a shapefile from someone who is working with ArcMap. For them, the file contains 363 features - for us, when opened in QGIS 3.28.7, the file only contains 321 features. The attribute table ...
- 15.7k
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36
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Convert topographic map to vector and text
I have a topographic map in TIFF format and I vectorized it in QGIS (3.22.0). For my project I needed the settlements, which I was able to extract. More importantly are the names of the settlement. ...
- 557
2
votes
1
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82
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Matching specific word character in QGIS Graphical Modeller
With the graphical modeller, I try to decode a set of codes:
Since the code '_zie' is also contained in the code '_p_zie', I get two matches for '_p_zie'.
How can I get two specific Word characters ...
- 185
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58
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Availability of clustering function in QGIS development core for Field Calculator tool [closed]
I would like to use Field Calc to calculate the points CLUSTER_ID and update an existing field table.
Apart from the Processing Toolbox 'DBSCAN clustering' and 'K-means clustering' applications that ...
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19
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Creating line feature with multiple record
I am trying to create line feature with multiple record in ArcGIS 10.8. Actually I am working on FTTH project there I need to draw 12 f fiber which single cable contains 12 separate threads in it and ...
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1
answer
67
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Changing field type from string to time in QGIS
I have a file with arrival and departure times for public transport in the format XX:XX:XX and field type Text(string). I need to be able to sort it from smallest to largest (i.e. earliest to latest ...
- 301
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53
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Using "export table" on a raster attributes table in ArcGIS ModelBuilder is resulting in different results than using it outside of ModelBuilder
I'm trying to build a model that after a bunch of processing exports the raster attributes table to an excel file. To do this, I figure I need to first use the "Export table" tool, followed ...
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50
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Remove columns with NULL values from QGIS print layout attribute table
I have an attribute table in my QGIS print layout that only includes features within the map extent. I want that table to only show columns that have non-NULL values for that feature set, i.e. if the ...
- 303
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2
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42
views
Adding new rows to attribute table/changing polygon's attribute
I'm using a shapefile of district boundaries. There are multiple districts which have the same name but belong to different provinces. In a few of these cases, the attribute table incorrectly ...
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14
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Synchronizing attribute from another layer
I'm relatively new to GIS. I'm working on a map that has unsynchronized data. There are two layers: landuse and POI. Layer Landuse is polygon, consisting of several classes of digitized landuse. Layer ...
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4
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1
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135
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Rounding down value
I made a layer in which I have a column with a function, that calculates volume. For Example:
a * b * c * indicator
2.5 * 1.2 * 2.3 * 0.62
In this example, the answer is 4,278 but I need to round it ...
- 43
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1
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58
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Hide the "Quick Field Calculation Bar" in QGIS
I want to hide the Quick Field Calculation Bar (see image). I found this old thread:
Disabling FieldCalcBar in QGIS
but sadly it does'nt work in QGIS 3.28.
Does anyone know what the quick field ...
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2
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1
answer
46
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Different visualisation in attribute table
The visualisation in the attribute table is different for fields with the same data type (some are greyed out and the values have different positions)
Any suggestions?
- 31
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44
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QGIS Bug? Table of attributes zooms-in to a wrong feature
I have encountered a strange QGIS behavior while zooming-in to a record in an attribute table.
Below is a highlighted row of the attribute table which I zoomed in into map:
Then I used an Identify ...
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3
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0
answers
36
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QGIS: Multifeature layer symbology and layer legend based on two separate attributes?
I'm quite new to QGIS, and I'm battling with something that seems like it should be really easy to do.
I have a polygon layer with hundreds of features, and I want to define the layer's symbology ...
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1
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40
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Where to find the comment of column in QGIS?
I created a column with a comment but where do I find this comment later on?
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97
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Turning table with lat and long columns into point layer in QGIS
I have a table as a layer in QGIS. It includes two columns: "Lat" and "Long".
I would like to use these as geometry columns.
How would I do this without saving and reloading a ...
-1
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1
answer
29
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Join attribute table - 2 different layers - 2 different classifications (QGIS)
I have 2 vector layers, one containing cells on a municipality level and one containing a more detailed classification on a district level. Some municipality contain multiple districts, whereas other ...
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4
votes
2
answers
301
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Adding meaningful text to integer codes
I have a lot of attributes being coded as integers like 0 meaning 'No', 1 meaning 'Perhaps', 2 meaning 'Yes' etc. I would like to show the text instead in an attribute table in a layout.
With just one ...
- 163
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1
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33
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Populating values from two or more fields into one field using field calculator in ArcGIS Pro
I am using ArcGIS Pro.
I have state-county-specific data. In my attribute table, I have a unique county number for each county in the state. The problem is each of them is in separate fields like ...
1
vote
1
answer
52
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Importing WGS84 points into project CRS OSGB36 broken, showing black screen
I am relatively new to all things GIS.
I am trying to import CSV points collected in WGS84 format eg. LAT 55.93887932 LONG -4.50803484, into a project with CRS set to OSGB36 (EPSG: 27700).
This is ...
- 13
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0
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21
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QGIS slow when working with Form View
I have several features on a layer.
I want to edit each one and move on to the next.
I click Open Attribute Table -> Form View
Whenever I type a character in a field a progress bar runs in the task ...
2
votes
1
answer
138
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How to download geometries and attributes from a Vector Tiles service from QGIS
As shown in screenshot 1, I have configured access to a Vector Tiles service in the QGIS desktop. This service returns a layer of polygons in PBF file format.
Screenshot 1 - Setting up and loading a ...
- 899
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44
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Assigning new values based on the field calculator and "case when then" in QGIS
I would like to do conditioning in the attribute table consisting of the following action:
CASE WHEN "network" = icn_ref THEN '001|' ELSE '' END
|| CASE WHEN "network" = ncn THEN ...
- 11
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0
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32
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QGIS3 - length3D strange results
I am using QGIS 3.32. My project and data are in EPSG:4236-WGS84.
I used drape (set Z value from raster) the line layer onto an elevation grid, resulting in a Line (MultiLineStringZ). On this layer, I ...
- 111
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1
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31
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Importing line attribute table to polygon attribute table
I made some isolines (shapefile: line) and i intersected it with a polygon(purple): i want to attribute to each of the created surface (one selected is in yellow) the value of the corresponding ...
