Questions tagged [attribute-table]
A tabular set of data linked one-to-one to a set of spatial features.
2,095
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The attribute table is damaged after OSMFILTER
I use osmfilter to extract data from geofabrik.
I had to notice sometimes the attribut table gets "damaged" or rather osmfilter put all relevant data in a section called other tags. from ...
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741
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Using Attribute Rules to Pull in Attribution from Another Feature Class
I could use some assistance creating a calculation that just simply pulls attribution from a field in one feature class, and populates the edited result into another feature class's table. For ...
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Change attribute table appearance to show only features visible in map
Working with big WFS it can take forever to open the tables. Is it possible to choose to show only features visible in map before opening it?
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64
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Emulating attribute form from Esri to QGIS?
Is there a way to get the same type of attribute form of ArcMap into QGIS?
In ArcMap when you select a feature you get a attribute form for that feature and when you select another feature from a ...
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I want to create multiple shapefiles using values from the attribute table
I have a village level shapefile.
I selected villages using the "select by attribute" function to group them into electoral units (labelled as GP in attribute table.
I now wish to make ...
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How to remove bullet point formatting from QGIS attribute table using field calculator
I inherited a .gpkg (no CSV or shapefile) in which the attribute table has a single column containing the relevant non-spatial data. The contents (string) are set up with a <table><ul><...
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100
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Extract values hidden in a table column using ArcGIS Pro
I've obtained a KML and converted it to a points layer, but the values for each point appear to be hidden in the column
In the picture, the value of interest is quantity "1.1" - I'm not ...
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2
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64
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How to autopopulate cell every time a new feature is created in QGIS?
So I am working on a project with QGIS where every time I place a new point, I want the value for the area field to be automatically set to 32 sq ft rather than me have to use the field calculator ...
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Update Attribute Table on clipped shapefiles using QGIS
I would like to find a way to automatically update the attribute table for shps generated from the clipping tool. My interest is to get an updated area calculation. All my new shapefiles would ...
- 65
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54
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Duplicated attributes problem while adding attributes of points to attribute table of lines in QGIS
I am trying to add the id numbers of my points to the attribute table of my lines.
I used this post [https://gis.stackexchange.com/a/355320], which solves the problem. However, the resultant layer has ...
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355
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Adding attribute entries in combobox in QGIS plugin
I am developing a QGIS plugin which contains 2 combo boxes:
comboBox
comboBox_2
combobox lists the vector layers available, however I would like the 2nd combobox_2 to list the all names available in ...
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170
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"Could not write feature into OUTPUT" error when running "Shortest path (point to layer)" in QGIS
I use QGIS 3.26 with a point and a line layer, representing cities connected by a network. Running QGIS native tool "Shortest path (point to layer)", I get the following error message:
...
- 60.2k
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224
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Add a consecutive number at the end of a text in attribute table
I want the first column (ID_1) here (see image) to have numbers at the end of the text.
For example:
Column 1: GI_01, GI_02, GI_03 and so on. I used concat expression but it doesn't work at all as you ...
3
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1
answer
51
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Request attribute information from multiple polygons below a point
In QGIS I created a "grid" with points 100 m apart from each other. Below this layer of points there are multiple layers of polygons. Each polygon has a column with values in its attribute ...
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182
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QGIS digitizing points and autofilling attribute value from persistent form
I need to manually digitize elevation point maps. (using QGIS 3.24)
Instead of the default QGIS method ( enter point + enter height), I would like to inverse the sequence:
specify the height and then ...
- 81
3
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2
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250
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Deleting all fields from attribute table in QGIS processing script
I'm writing a script in the processing script editor of QGIS and at one point i want to delete all columns of my vector layer's attribute table. I tried to do it like this:
lst = list(range(0,-1))
...
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179
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Speeding up the process of aggregate function in QGIS
I'm conducting aggregate function in QGIS. But since the feature number is high, the process is very slow. Is there a way to speed up the calculation process?
By using this function: sum("lengths&...
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136
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New field and joined fields not displaying in attribute table field dropdown in QGIS [closed]
I joined some fields to a layer and also added a new field. These fields display as expected in the layer's attribute table. Now I want to create an expression for one of the new fields but it doesn't ...
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2
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197
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Finding duplicates in field depending on another field's values using PyQGIS
I need to identify/select/print the duplicate values in a field depending on the values of another one.
Example:
Field1
Field2
100
1
100
2
200
1
200
2
200
3
200
2
300
1
300
2
300
3
300
4
...
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22
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QGIS 3.24 - Copying attribute table data doesn't capture new calculations
I frequently grab data from layer attribute tables, then paste in Excel for summarization purposes (I find Excel functions like Pivot Tables easier to use than QGIS's built-in statistics functions). ...
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406
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Including legend data in attribute table in QGIS
What I want is a legend that also includes a table of data related to each legend item.
The obvious way I see to do this is to build an attribute table that includes a column with legend info. But how ...
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124
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Merging adjacent polygons with aggregated sum beeing inside a certain range
The data
I have a polygon layer with polygons (download the data here) of different sizes as can be seen on the screenshot. Each polygon contains a value for the attribute called count. The range of ...
- 60.2k
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919
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Changing field length in QGIS
I want to update the string length for a shapefile layer in QGIS. I've tried opening up Layer Properties and clicking edit but it won't let me change it manually. Also I've tried using the field ...
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553
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Getting list of values from column in QGIS
I have one "column D" with a b c values for my entities (1-2-3-4).
Something like that :
1. b
2. c
3. c
4. e
5. j
6. b
I would like to generate a list of each different value of "...
- 507
5
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1
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257
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Automatically zoom to feature which is edited in attribute table in QGIS
I want to edit many features in the attribute table, for which I have to see imagery in the background of the features. To speed the process up, ideally I do not want to use the mouse to click ...
- 115
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1
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188
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QField - adding picture module
I'm trying to enable a QField project to take pictures of the features represented by a point layer. In the QGis project I've set a 1:N relation between the point layer and a table using the Relations ...
- 504
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1
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35
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Using ArcMap attribute table
I am new to ArcMap.
I work with with the attribute table, so I took data from the Esri LULC site converting it from raster to polygon.
What I want to do is combine all of the same data into 7 features....
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58
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Finding features in QGIS with partly different attributes
I have several layers and they all have identical table organization. I need to find if there are any features that have a different names but the same UUID. I know that this could be done if I ...
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218
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Export all columns of the attribute table from a shapefile as a txt. file
I would like to export the attribute table of a shapefile.
I used a cylindric equal area projection and then manually added a column in which I calculated the geometry (area in m2). I like to export ...
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37
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Getting pixel values from MODIS level 3 product using ArcMap
I wanted to find and map pixels with a certain chl value from the downloaded MODIS Chl data from NASA ocean color web. When using 'identify' tool (ArcMap), I can view the particular pixel value but I ...
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2
answers
65
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Navigating attributes tables with arrows keys in QGIS
In QGIS 3.24.1 I am trying to navigate through attributes quickly using the arrows keys on the keyboard, as I was doing on previous versions. Unfortunately, QGIS is trying to make the number in the ...
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18
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Add links to multiple floors of CAD files in ArcGIS Pro
I want to include links to multiple files within one attribute.
I know multiple attributes works but is there a way to do multiple links within one?
I am trying to add links to multiple floors of CAD ...
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1
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38
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Can ArcMap use Excel equations in the attribute tables?
I am very new to ArcMap and am learning as I go. I am trying to have one Column be the current date. In Excel I used "=Today()" and that clearly works fine but it does not seem to be ...
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2
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111
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Closing Table / Layer view but not removing from it from Map using ArcPy
Is there a way to close the table without removing it from the Map? It feels like a such a simple process but I could not find a way to do so.
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60
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Value relation widget, data is saved as Value Column instead of the Key column
I'm pretty shocked that I can't add a Key column apart of a Value column in my QGIS relation attribute table. I use as Value relation column field with the code follow by the latin name of plant ...
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154
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Merging Attribute Table Field Values for Same File in QGIS
If multiple people populate different attributes of the same shapefile on separate computers, is there a way to merge the attribute table without creating copies of the polygons or fields?
Each file ...
- 11
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203
views
Converting number with leading zeros in integer in QGIS
I used this command to organize my treenumbers:
lpad("baumnummer", 6, '0')
So tree number 1 will be shown as "00001". I did this because in my layout lists every tree will be put ...
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votes
1
answer
85
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Re-assigning numbers to be in order in attribute table
I have deleted some unnecessary fields and hence my numbers are now no longer in order. I can't simply use the sequential function for this as the duplicated numbers have to remain duplicated.
I would ...
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votes
1
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96
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Converting text field with special characters to field with floats in QGIS
I have a dataset with a text field ("INL_EL") containing mix formatted values likes {92.066} or 94.461.
I want to make a new numeric field ("INL_EL_N") containing the above values. ...
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27
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Attributes for points created by Intersect tool
Scenario:
I am using ArcMap 10.3.1 to find the locations where an animal crosses a road from GPS data and the associated attributes such as X and Y (which I can calculate) and the date and time of ...
2
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1
answer
1k
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Setting permanent minimum height and width of all cells in attribute table with PyQGIS
Let's assume there is an attribute table of a vector layer which was opened with F6, see image below
With the code below I could set the minimum height and width of all cells in the attribute table.
...
- 28.8k
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Displaying milliseconds in Attribute Table using PyQGIS
I have a datetime string with microsecond. I use the following script to get a QDateTime object and add it to a memory layer:
layer = QgsVectorLayer("Point?crs=EPSG:4326", "test", &...
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52
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How to join a column from a line data layer attribute table and join it to a shapefile attribute table in QGIS?
Issue:
I have calculated the distance from shore from point data showing dolphin IDs to the coastline by using these commands:
Step 1: Digitise the country lines for administration country shapefiles ...
- 285
2
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1
answer
182
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Renaming categorical attribute values in QGIS attribute table: merge two different strings to the same name
Issue
I have a column called ' Species' in a shapefile layer showing the distribution of different species of dolphins. The operator that originally inputted the species names into our excel data ...
- 285
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17
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Alternate view to normal view in attribute table [closed]
I have somehow accidentally changed how my attribute table looks and I dont know how to get it to go back to the original state has anyone any idea how to change?
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1
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760
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Using QGIS field calculator to create an 'fid' column according to a value from another column
I have a shapefile with 1,800 rows. I need to edit this file as follow:
Row_name is from 1 to 45
Col is from 1 to 39
fid should be from 1 to 1800 in order (This is the new field I need to create).
I ...
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56
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Creating one line for multiple data
Using QGIS, I want one line representing three data in the attribute table. I merged and used the multipart to single part. Only one data in the attribute table appears. Is it possible to get multiple ...
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144
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Calculating two columns at once in QGIS
Is it possible to calculate two columns at once?
So what I mean is that we have different covers and lengths and I want a total length of "Cover A" after that a total length of cover tb and ...
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64
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Is there non spatial Virtual Layer in QGIS?
I have two users working on the same project with identical shapefiles but in a different geographic area.
User 1 is working in Area 1
User 2 is working on Area 2
When using MapInfo I used to keep ...
- 193
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127
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Categorizing field and summing attributes for label in QGIS
Using QGIS, my goal is to group "FSA"s (postal code or zip code ordering) into larger regions, and have data labels labelling these larger regions. The labels themselves would be the sum of ...
