Questions tagged [attribute-table]

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

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19 views

Adding a description to the attribute table in ArcGIS Pro

My question is just editing the pop-up within the attribute table to give a description. So when one opens the attribute table and hovers over the field column names, a pop-up will show giving details ...
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38 views

QGIS can't save changes to a layer

I am using a layer named Faser,which I took from a program called locus GIS as ready layer,it was called power_lines_10kv30kv , I changed name to Faser and drew the lines with it : hier is the ...
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18 views

Why are the changes to my raster attribute table not saving?

I have a tiff file with an existing raster attribute table. I am adding a column in from a csv file. From the print statements, it seems to be adding it correctly; however, it's not saving for some ...
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1answer
28 views

Export one point with shared origin value in attribute table

I am trying to find a way to export unique points from a pointlayer in QGIS. Using the tool ‘Extract vertices’, I generated corner points from polygons in the input layer (first image). I now only ...
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45 views

Deleting rows from attribute table using QGIS Modeler [closed]

I'm trying to delete all the rows with a "0", from the attribute table, using the QGIS Modeler. But I do not find the function.
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16 views

Adding nearest point-(features) to attribute table

Using QGIS I'd like to add the (10) nearest random points, that I created within a polygon, to a target point and have their distances to said point added to that point's attribute table. I'd like to ...
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1answer
92 views

Add file name as attribute field in QGIS

I have a folder with several shapefiles (around 75). I would like to create a new field into each .shp file which has to be filename. i.e: 20201003.shp --> 20200103.shp (New field 'Fecha' = ...
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3answers
311 views

Remove leading zero from a string in QGIS

How can I in QGIS through expression calculator remove the 0 leadings from a string? 09 -> 9 0150 -> 150 09850 -> 9850 054a23 -> 54a23 5837 -> 5837 Something like the example above.
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35 views

Display both data in different fields in QGIS attribute table [duplicate]

In my attribute table I have lat_1, long_1 and lat_2, long_2 in the same row. How can I display both at the same time. Is their any solution for that in QGIS. lat_1, long_1 are main location lat_2, ...
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3answers
121 views

QGIS - Can't see rows data but I can see the total number of rows in the attribute table

I tried to download some shapefiles data from here and the layer is shown correctly, however when I open the attribute table I can see just the number of rows but not the rows themselves and when I ...
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1answer
28 views

QGIS Layout: Filter Nth Row in Attribute Table

I have an attribute table in a Qgis Layout and only want to see the first line. Can I do that? It's a workaround for overlapping labels. I want an attribute table with the 1. Line, then a table with ...
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116 views

Attribute table values randomly disappear or are changed

Im using 3.10.14 version of QGIS and something very strange started happening. I performed several attraction distance and attraction reach analyses (using the Place Syntax Tool) that I saved in the ...
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1answer
54 views

QGIS set fixed ID name with autoincrement in data attribute table

I am going to create a bulk of lines in QGIS. One line will have allocated ID, which looks as follows: DT.C.10_Strand Thereafter each "Strand" will have the number of order like you see ...
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12 views

Attribute table multiple selections from external data file

I have a county parcels attribute file in which I can select a row entry and have it highlighted on the shapefile (standard behavior). I also have a separate file (excel or dBase) with entries for ...
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2answers
88 views

Splitting shapefile into multiple by value from field in QGIS

I am working in QGIS. I have a shapefile and its table and I need to export each row as a new file called "Fecha" field: Finally, I will get 6 shapefiles such as 20130612.shp, 20130714.shp, ...
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36 views

Keyboard shortcut to select entire column in attributes table QGIS

How can I select an entire column in the attributes table in QGIS? Ideally I would like to do it using a keyboard shortcut. In a search around the net I cannot find a way to do it.
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27 views

Adding attributes to CSV-file using PyQGIS

I am new to PyQGIS and I want to add one more field in my existed table. Here is my code: pointLayer = QgsVectorLayer(uri, 'my_layer', 'delimitedtext') pointLayer.dataProvider().addAttributes([...
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1answer
33 views

Reading attribute from shapefile using ArcPy

Currently I am making a script that allows the user to draw a line, the line is then created into end points with lat/long available. From this lat/long, I have to run some math equations to figure ...
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35 views

Updating field in attribute table of multiple shapefiles in ArcGIS 10.1

I have almost 100 shapefiles (all having polyline features only) in a single folder with each filename "0","1"..."99" . I need to recalculate the length and another field ...
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36 views

Joining or relating multiple data in one single data using QGIS

I do not know how to solve this problem using QGIS. I have tried several ways but it did not work out. I have a lot of data, I have one coordinate system for each location, for example Alor setar ...
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2answers
149 views

Replacing HTML links in attribute table Field Calculator in QGIS

I am having trouble doing a simple replace of a string in QGIS attribute table field calculator. My table has a field "tbljoined_link" that contains HTML links like <a href='islands/luzon....
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1answer
21 views

st_combine and st_union produce empty attribute table for shapefile (how to edit before st_write?)

I am starting with R programming and I am having a hard time figuring out how to edit the attribute table of a shapefile after using st_combine and st_union. My shapefile has multiple polygons and I ...
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25 views

How do I limit the features shown in attribute table to those in the current time range?

I loaded a vector layer with temporal information and set up the Temporal properties accordingly. The Temporal Controller lets me view temporally filtered subsets of my data according to its current ...
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0answers
142 views

QGIS: Using Filter expression for Drive Down Lists in Value Relation Widget

I have a vector layer and want to enable the user to pick values from drop-down lists. The values of the drop-down list change depending on the chosen value of the previous field(s). It works ...
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1answer
56 views

Adding Weight Data to Points in QGIS

I'm an absolute QGIS beginner (only used it once before for a class) but I am trying to make a cluster map with data coming from a witch trial in Switzerland. Effectively, each time a location is ...
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44 views

How to update attribute table layout in QGIS Print Composer?

I have selected some columns from attribute table in print composer linked to layer A. But when I open my layout in another project with that same layer A, it doesn't refresh/update and I have to ...
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28 views

How to correctly merge the value in the columns, in the case of using the widget type the Value map, with QGIS

Trying to do work that was previously done in ArcGIS. There is a table when filling 4 columns, these values are added in the Sum column. In QGIS, I decided to use the Value Map for fields For the ...
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1answer
29 views

Combining rows in attribute tables in QGIS 3.4 with some strings that should be added together and others left untouched

I want to do the following with some fields in the attribute table but I have no idea how to do it: Each row is about a parcel and its selling price, it also contains its address, cadastral ID etc. ...
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1answer
15 views

Select features that share the same value in a certain column but also have different values in a different column

I have a dataset of plants, they are many different plant species that are given a numerical code in a column in the attribute table, but they are located in different land types which was also ...
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2answers
47 views

Making one field equal to another in the same Attribute table using Field calculator in QGIS

I am trying to have a new field with the same content of an existing field. In ArcGIS I would normally use the Field Calculator to make this instantly. In QGIS I have followed the same steps (create ...
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1answer
37 views

Transparent color of Selection in Attribute Table

I want to check the numbers of the selected vector in the attribute table. In my setting, the following is my table after I selected some vectors. As you can see, I am not able to look at any values. ...
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1answer
216 views

Eliminating decimals without approximation

Is there any way I can eliminate decimals without approximating the number? Example: Value | Desired output 1.69 | 1 2.12 | 2 105.9999 | 105 I want to use the field calculator for ...
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1answer
28 views

Assigning values to empty field in attribute table

In my attribute table, I have a field with empty slots. Though, I want to add Christchurch to fill all of these empty slots for this one particular column. I have thousands of rows, and wish not to ...
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1answer
47 views

Changing QGIS attribute table appearance

How can I change the appearance of the attribute table in QGIS, so that I can view the cell's font an its size smaller in my computer's screen?
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1answer
45 views

Assigning a weight to thousands of values in the attribute table to then make a heat map in QGIS 3.10

I am working with some data that has about 19,000 values. This data has been imported as a text delimited file layer, as it is GPS (long and lat) point value data, that has an associated metadata or ...
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37 views

Conversion to longitude/latitude

I am very new to GIS. I wanted to find out if it is possible to convert coordinates as specified in the table below to longitude and latitude c
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22 views

Spatial join (Points to Polygons) joining points that do not fall inside polygons to attribute table

I am using ArcMap 10.6.1 and am having trouble with a spatial join. I have created 250km buffer polygons around some of my sampled data points and I am now trying to join some modelled data to those ...
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61 views

Set position of attribute table extended to next page

I am creating a script to export an attribute table in pdf format with PyQGIS 3. The number of features is different regarding the farmer. pdf_table = QgsLayoutItemAttributeTable.create(layout) ...
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48 views

QGIS and QField show different behaviour regarding a Value Relation with Filter Expression

I added a Value Relation Widget in the Attributes Form of a shapefile in order to generate a drop-down menu that is supposed to make fieldwork more efficient. The idea is to have an optional filter ...
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26 views

Merging values in print composer table

Is there a way in qgis to merge repeated values in attribute table print composer? Something like on the second image bellow.
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1answer
58 views

Compare two shapefiles by location and attribute in QGIS

I am looking for a way to compare two shape layers automatically. We have two files that represent two different states of our project and thus contain similar data in the same format (e.g. both point ...
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28 views

QGIS field-calculator time formating produces NULL

I'm struggling to format a QString attribute field to a DateTime or Date field. I've been trying the built in functions to_date to_time to_datetime of QGIS 3.10.14 and none of them seem to do the ...
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1answer
101 views

Docking QGIS Attribute Table always on the right instead of bottom

Is it possible to set the default dock position for the attribute table? I have a pretty long list of fields and 1-N relations to be displayed. Now I need to always drag and drop the window and I was ...
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17 views

Randomly creating a subset from a feature class having a large amount of data in it's attribute table

I have a feature class which has 135270 entries in its attribute table and I want to randomly select about 25% of this data for better visualization of the feature class on a web application. However, ...
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4answers
75 views

Numbering like values in new attribute table field using field calculator of ArcMap

I am using ArcMap 10.6. In an attribute field, I have 1000s of records. I am wondering if there is a way to use the field calculator to get this desired result: Species | Label A | 1 A | 1 D | 2 D | 2 ...
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1answer
60 views

Sort attribute table in an atlas layout with PyQGIS 3

I wrote a script that automate the production of an atlas layout with PyQGIS 3 that works well but it remains a detail I can't figure out. Each page of my atlas contains a map zoomed on a particular ...
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27 views

QGIS Hidden attributes not hidden in Relations

I have a PostGIS view, which a referencing layer for another layer for many to one relation in QGIS. I have hidden the following fields id, table_name, oid of the postgis view so that the user would ...
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16 views

Custom Attribute Display Pop-up (hyperlink converting “/' to ”%2F")

I have created a custom attribute display links in an ArcGIS Online webmap that include a field from my ArcGIS Server Feature Service attribute table (using attribute-based URL parameters). I am ...
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1answer
40 views

Selecting a feature in an attribute table using keyboard cursor with QGIS 3

How to select feature (row) in QGIS 3 attribute table using keyboard cursor? I can't find a hotkey for this. Is this even possible?
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1answer
30 views

How to merge rows in the attribute table while adding up one column

I intersected two layers and now I would like to merge the rows that have the same id while adding up the last column using QGIS.

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