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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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2answers
29 views

QGIS Data doubled in the attribute table

I was working on two different layers which I ultimately combined together using the "union" tool. However, I now have twice the information in the attribute table as shown in the picture. Any ...
2
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2answers
42 views

QGIS Atlas Expression Query

I have set up a page layout using the Altas Feature in QGIS v3.2.3. The layout has been configured to show the location of a polygon and the location of vertices that make up each of these polygons. ...
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1answer
21 views

Save Attribute Query

How to save attribute query on qgis 2.14? I have more than 20 queries. The recent queries save only 20 queries. If I can save them, it will be more effiecient.
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1answer
90 views

Hiding NULL text in attributes using QGIS?

In QGIS 3, how do I hide the 'NULL' text from empty attributes? QGIS 2.18 has a setting for that, but can't find it in QGIS 3.4.
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0answers
27 views

Basic field calculator using other columns [closed]

I'm new to GIS and want to perform some 'Excel-like' calculations in the attribute table. Take this for example: Negative Number Null, -290, Null, -4 ...
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1answer
25 views

Using conditional statement for attribute data with ArcPy? [closed]

I'm working on a code, I want to be able to update(change) a value in the attributes table using a python code and I've used the update cursor function but the code isn't working, nothing changes. I ...
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0answers
34 views

Summing fields with ArcGIS Desktop?

I am working with the attribute table of a shapefile in ArcGIS Desktop and I have uploaded s screenshot of it below. I need to Sum fields from column "COLTURA" (Arboreto consociato (Oliveti-Vigneti) ...
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1answer
21 views

Attribute table in QGIS showing a subset of desired features after query builder

I'm working with some OSM data in QGIS and I want to show only those points that are schools. So I go into query builder and enter "other_tags" LIKE '%"amenity"=>"school"%'. This narrows down my ...
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0answers
33 views

Attribute table missing data after saving shapefile?

I had a shapefile with water pipelines and in its attribute table were a lot of information (length, street names, materials etc). I saved the shape and when I started my project the next day, all ...
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1answer
52 views

Create an attribute table with coordinates vertices in QGIS

I need to create, in a map layout, an Attribute Table item containing the Map Sheet vertices values in different coordinate reference systems, controlled by the atlas (Coverage Layer = Map sheet), as ...
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0answers
17 views

Add Table View to Data View ArcMap 10.6 - Assertion Error

I'm trying to create a Python AddIn for ArcMap and the first process of the tool will be to add a tableview to a map document. At this point I just want python code to bring up rows from a table ...
2
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1answer
25 views

QGIS Field Calculator Error for String values

I am attempting to re-code some text data in the attribute table using the QGIS Field Calculator tool, but I keep getting an annoying error message: "An Error occured while evaluating the calculation ...
3
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1answer
38 views

Zoom into Attribute Table Itself in QGIS?

How do I zoom into the attribute table in QGIS? I need to see the cells and text a lot larger. With the attribute table in arcgis, as with any program today, I could zoom in by holding the control ...
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2answers
45 views

Unable to save attribute table after creating new attribute in QGIS?

I have little to no GIS experience. My workplace has no GIS capabilities. I am using QGIS 3.0.2 (64 bit) on Windows and I created a new attribute for a vector layer (shapefile) through the field ...
1
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1answer
25 views

QGIS assigning accumulating numbers to field records following order of selection using @rownum

I have selected points in QGIS and they have a field (towerno). This filed represents values in the range from 658 to 800 but I want to narrow it from 558 to 700.
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1answer
23 views

Use previous entry as default in attribute table

I have a vector layer that I add observations to by identifying features in georeferenced rasters (images). One of the attributes I want to assign to the feature is the image name (which I currently ...
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0answers
27 views

Add multiple images in attribute table

QGIS 3.2 I added a new attribute field to my attribute table using string as the type. In Layer Properties - Form I chose "Attachment" as the Widget Type and chose the directory, where the photos are ...
1
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1answer
60 views

Trouble with creating new attributes on large shapefile?

I have a point shapefile with ~2.5 million points. I am creating a new attribute converting ft to m, and QGIS (2.18.15) is having trouble working with the datasets. I have seen suggestions to only ...
2
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1answer
53 views

Autosizing all fields in a QGIS attribute table

Is there a way to autosize all fields in an attribute table? I am working with attribute tables that have over 50 columns and all of them have long names. Instead of autosizing single columns via ...
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1answer
35 views

Changing the attribute table view in QGIS 3?

How does one change the Attribute table view on QGIS 3? An initial answer says to use the "Switch to Table view" button but I can't seem to find this button.
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0answers
16 views

Summarize table by group and add logic to keep data

I need to dissolve a polygon layer by group but, at the same time, I need to keep some of the data in extra columns. This is the diagram: This is the logic for the new group: Cod = "Cod" where N1 ...
2
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1answer
45 views

QGIS label: Capitalize first letter of different words in attribute field

I have a vector layer with an attribute text field with 3 words (word1, word2 and word3). I want to capitalize the first letter of word1 and word3 in label output. For example if a record has the ...
6
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1answer
86 views

ArcGIS Pro missing records in attribute table from SQL Server?

I created a table to test ArcGIS Pro 2.2.3 with an Azure SQL Server. The structure of the table is simply an OBJECTID, a shape (Point) and a text field. The table contains a set of 2 points with ...
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1answer
25 views

QGIS - How to display item info on popup with a click

I have many items on different shapefile (parks, railways, buses...). Every shape as a join with an attribute table and each table contains data by line. How can I generate a pop-up by clicking on ...
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0answers
25 views

Copy attributes from one attribute table to another

In ArcPy I've created a set of polygons, which I want to keep in my final map. I've created points at the centroids of these polygons and used 'extract values to points' to give them the value of the ...
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1answer
28 views

How can I turn editable a shapefile that has been previously saved filtered?

After describing this issue in Qgis: Shape layer turns non-editable if saved filtered (where the answer basically was "if you filter, don't edit"), it has happened again (filtering and editing ...
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0answers
25 views

QGIS 3.2.3 attribute table conditional formatting does not auto update

I've enabled some simple conditional formatting in the attribute table for QGIS 3.2.3 and whenever I've saved layer edits that should change the formatting, the formatting doesn't auto-update - it ...
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2answers
65 views

Calculating statistics per area for categorical raster using R?

I am working with the area of New York City (NYC) in ArcGIS 10.1. I have a landcover raster map with several different land cover categories. What I am trying to do is to build up a table in which, ...
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0answers
22 views

Editing attribute tables from data derived from ArcGIS Online?

So I have a layer I got from ArcGIS online and want to edit the attribute table in arcmap desktop but for some reason it's not letting me. Is there any way this can be done?
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1answer
40 views

QGIS save shapefile - problems with attribute table

I added point coordinates of a delimited text file layer with an attribute table containing about 1000 columns. As soon as I want to save this created layer as a shapefile I get an error that some ...
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1answer
22 views

Repeated labeling of random points within polygon? [duplicate]

I have created 3 random points within each of 27k polygons. I now want to label each of those 3 points as "A", "B", "C" within each polygon. Is there a quick/automated way to do this?
3
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1answer
57 views

Inserting tags (multi-values) in field of attribute table with QGIS?

I am setting up a QGIS project using a Geopackage (or shapefile) concerning the areas named with some historical toponyms and writing a brief description of them. In the attribute table I would like ...
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0answers
33 views

Add new attribute in shapefile using Java: Geotools [duplicate]

I want to edit my shapefile by adding a new column "ID" and assign a value to it. I am trying to achieve this using Java Geotools. Here is the snippet code: File inFile = new File("/abc".shp"); ...
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0answers
52 views

Use harmonized world soil database (HWSD) in QGIS ie load .blw, .hdr and .stx files coming with .bil raster

I am trying to use the data of the HWSD in QGIS. See: http://webarchive.iiasa.ac.at/Research/LUC/External-World-soil-database/HTML/ How do you get the same result in QGIS as in the viewer ? More ...
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1answer
51 views

QGIS Attribute table - How to merge the values of $area field of several elements by the same attribute (point ID)?

I have a land use vector layer with polygons representing forest, farming, urban aggregates, etc. Each polygon has a field with its area. I was trying to intersect it with buffers of different ...
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0answers
51 views

Why are random characters (e, ?, `, … ) appearing in my text field (attribute table) of the shapefile in QGIS 3.0?

I have a shapefile that I have created which has a few features (about 10) and I have input attribute information for each feature and each attribute (set to text). For example, one of my fields is ...
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1answer
37 views

Suggestions on how I can depict numerous cell towers with different ranges?

I am trying to make buffers dependent on cell tower ranges. Does anyone have any suggestion on how to insert distance buffers of various that are dependent on attribute values in one layer? I am ...
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0answers
30 views

Shape Count vs. Record Count Mismatch

First of all, I really could not think of a good title for this question, so feel free to modify it. I keep encountering an error using ArcMap 10.5.1. I'll have a table open, to which I add a field. ...
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2answers
157 views

Dividing two or more rows in single attribute table?

I want to divide rows in my attribute table. I need to divide the lengths of rows having specific IDs. For instance the length of ID 21 divided by the length of ID 11. An this calculation execute for ...
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0answers
29 views

Best way to relate PostgreSQL table to layer [closed]

There is an online PostgreSQL database (non-spatial) with water monitoring data which is regularly being updated, in another side is a spatial layer of rivers (for example) which should be represented ...
2
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2answers
69 views

QGIS attribute editing doesn't allow values greater than or equal to 10

I'm trying to modify an attribute field in a shapefile, type double/real by hand. The existing number, for example, is 100.01 or 123.45, etc. QGIS will not let me type in a number with more than one ...
4
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2answers
298 views

How to extract a part of string from fields in QGIS field calculator?

I want to create a new field in my attribute table. My goal: returning all digits between the / and _ characters of the field named "location" by applying the next expression: regexp_substr( "Text", ...
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3answers
74 views

FME Combine Values

I am new in FME and have a table with 10 columns. Every column contains different values. I want to create a new column, which contains a combination of the other columns and for every combination of ...
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0answers
28 views

ArcMap 10.3 Attribute Table Showing Wrong Information?

I have some parcel data with addresses that I am trying to export as a selection. Every time I open the attribute table with a new selection of parcels, the information is incorrect after a certain ...
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1answer
22 views

Re-configuring a Near Table with Multiple Near Features

I'm trying to reconfigure the results of a near table in ArcGIS Pro. The table currently shows the nearest 5 features from a lake layer relative to multiple project locations. I've then used a join to ...
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1answer
84 views

How to obtain the difference between two time fields in hh:mm:ss format?

I have to 2 date fields in a table, ALARMTIME and ARRIVETIME. I want to acquire the difference between the two in a new RESPONSE_TIME field in ArcGIS. The only successful field calculation I could ...
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1answer
51 views

Delete duplicate text in Atribute table, qgis

I'm trying to label correctly a set of points in my map. They refer to localities and water analyses for those places in Spain. But the information in one of the fields is duplicated, it's written two ...
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0answers
9 views

Polygon Multiple FID attribute for one

I am using ArcMap attempting to find the total area of this multi-part polygon, however in the attribute table there are multiple FID corresponding to the same polygon. They all have the same acreage ...
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2answers
65 views

Select columns to keep from attribute table [closed]

I have lots of feature classes that I'm working with, but the attribute tables are really messy because I got the information from different sources. So I decided to clean them up. I made a table ...
2
votes
1answer
61 views

How to remove part of a string value in the attribute table of a shapefile in PyQGIS

I have a number of shapefiles with a field in the attribute table containing many different string values similar to this one: 'Waypoints_17-JUL-18Timothy waypoints.shp Waypoints_17-JUL-18Timothy ...