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Questions tagged [attribute-table]

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

2
votes
1answer
41 views

QGIS saves Eastings and Northings as 0, despite displaying correct coordinates

A point layer in a geopackage contains easting format_number($x,0) and northing format_number($y,0) fields to record co-ordinates. The CRS for the project and the layer are set to BNG. When creating ...
3
votes
1answer
102 views

Is it possible to view all the attribute data in QGIS

I use QGIS to map and store local history data. Because of this my point attribute data contains a lot of text. Since the textbox are so small it's hard to use and present the information. Is it ...
-1
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0answers
22 views

QGIS 3.4 using pygis for deleting columns v2

I have tried now to implement the code from BERA into the code from J. Monticolo. in order to get a script that is able to delete a set of columns from an attribute table. Previos Post. But I am ...
2
votes
1answer
38 views

QGIS 3.4 using pygis for deleting colomns

I am currently building a model for importing and preparing multiple data by merging shapes and joining tables. Almost finished with the model, but I haven't found a useful tool for deleting certain ...
2
votes
2answers
51 views

Adding slope values to attribute table (QGIS 3)

I have a DEM raster and some points (one .shp for all points) plotted on it. I would like to know if there is a way to add the slope value of the pixel that each point is located in the attribute ...
1
vote
0answers
28 views

KMZ import does not create columns in attribute table

I would like to import a KMZ file with data on basin internal evaporation recycling into QGIS. However when I import the KMZ file into QGIS, the relevant data (Bier-jan, BIER-feb, ...) is not added ...
1
vote
1answer
31 views

Copying first record from series of feature classes into separate file using ArcPy? [closed]

I have 1000 files from which I need to copy the first record and insert into a new feature class. Additionally, is there a way to do this without copying the Field headers as well? The end result ...
0
votes
1answer
31 views

QGIS joined attributes not visible in categorized symbology

I am trying to make a thematic layer using the attributes from my now main table which were previously joined. I would like it to look something like this: As visible in picture, the columns ...
3
votes
1answer
34 views

How do I bring the Z value to attribute table?

I have a shapefile exported from a hydraulics software that I use. The file is exported as polylines. I convert it to a point layer using the "Extract Nodes" function. The remaining piece of ...
1
vote
1answer
41 views

Converting text strings to numbers using QGIS?

I am working in QGIS, which is quite new to me. I have a text string containing dates. I want to have new column where only the year from the text-date string appears. How is that possible. See ...
1
vote
0answers
35 views

Way to get an adjusted attribute table after clipping raster with polygon?

I'm relatively new to ArcGIS in general, so please excuse any incorrect terminology. Currently, I am trying to clip raster data using polygons. I have clipped six of these, but the attribute table ...
1
vote
3answers
53 views

Showing two sets of points from two different fields in QGIS?

I made a union of two adjacent shp (points) files with the same theme (Geochemistry) so the resulting attribute table gave duplicated fields, for example: ID, As_ppm, Ag_ppm, Pb_ppm, ... , ID_2, ...
1
vote
1answer
50 views

Layer not visible after deleting from attribute table QGIS

I'm a newbie for QGIS and trying to learn. I was editing the attribute table in which process I deleted some rows. Then the layer became invisible in the project. After trying a lot I decided to redo ...
0
votes
0answers
19 views

Pasting Column into QGIS from Excel? [duplicate]

This should be incredibly simple, but I cannot figure it out. Is there any way to paste a column from excel into an existing column in a QGIS attribute table?
1
vote
1answer
58 views

Using QGIS Table Manager?

in QGIS 2.18 I used the table manager plugin for renaming or removing columns in a table. This plugin doesn´t exist in QGIS 3.4.1. Is there any other plugin or way to rename, remove or order columns ...
2
votes
1answer
78 views

Equal values attribute table

I don't know how to filter the attribute table in qgis. I have 2 columns, DN and DN_1, both with values from Corine Land Cover (111,112, 223, etc). I try to select the rows that have the same value. ...
1
vote
1answer
35 views

Exporting query to identify the exact points that fall into a polygon using ArcGIS

I am using ArcGIS 10.6.1. I have a shapefile consisting of points (facilities names and adresses). I also a shapefile consisting of polygons made up of enumeration areas as well as the Local ...
1
vote
2answers
76 views

Selecting highest value within group using QGIS?

I have a .shp of points. This points are organized in groups with same ID (group 1, 2 ,3) Each group has 10 points. Each point has a Z column with Z values. I want to select the point with the ...
2
votes
1answer
62 views

Dissolve (merge) polygons QGIS based on (non exact) attribute values

I am a fairly new user of QGIS having a question regarding dissolve functionality. I am working with the NUTS-2 shapefiles provided by EU, which I have imported in QGIS. To ease the discussion, I ...
1
vote
1answer
24 views

Align content in an attribute table to the bottom of the frame

I have an attribute table in a page in one frame with a certain dimension (width/height). The content of this table is not enough to fill the height of the frame and is aligned to the top. Is any of ...
2
votes
1answer
59 views

Writing raster with attribute table in R?

I fitted a species distribution model and predicted the suitable habitat using this model, and then I got a map plotted in R. I tried to save this prediction as a raster, using code: rf<-...
1
vote
1answer
18 views

Adding attribute based on Function in GRASS GIS

I would like to create a new attribute based on another attribute using a formula in GRASS GIS. I would like to do multiple 'if' functions embedded example: if attribute x = 1.2: 1e-6 if attribute x ...
1
vote
0answers
19 views

Set attribute length when exporting features with st_write

I have sf features that I have created/manipulated in R that I need to export to shapefile (my client only accepts shapefile format so I cannot use .gpkg or other formats). I have used st_write to ...
3
votes
2answers
98 views

Automate filling of attribute table using QGIS?

I am new to QGIS and wish to automate my current process. In my project I have to open the attribute table of the batch_16 layer having 5 fields (date, checked_by, td_created, td_catagor and ...
3
votes
1answer
113 views

How to show hidden columns in QGIS 3.6.1 (?)

I have hidden a lot of columns in my attribute table and now I can't show them. How can I show hidden columns?
1
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0answers
29 views

Adding attributes to a feature using ChangeAttributeValues in Pyqgis

I have a workareas polygon layer with X number of features and a buffer CSV layer with Y number of entries which looks like the table below (one id field and a couple other fields). id1 | A1 | B1 | ...
0
votes
1answer
18 views

Merging fields within attribute table ArcMap

I have an image file open in ArcMap of an area of land and its land use categories. I would like to combine some of these categories together in order to simplify the map. For example, there is 4 "...
1
vote
1answer
24 views

Copying all attribute data within table and pasting into same table to create duplicates?

I have a spatial layer with an attribute table containing 55 rows. How do I copy all attribute data within this table and paste it into the same table to create duplicates? I have editor turned on ...
1
vote
1answer
64 views

Changing coordinates of points in the Attribute Table in QGIS

I have a shapefile. Within the shapefile, there are approximately 500 points. I want to change the coordinates of these points in the Attribute Table. But there is no coordinate column in Attribute ...
-1
votes
1answer
48 views

How to select attribute specific values? [closed]

I have table like I need to select if R_no values is more than two same values and in ANGLE select first three numbers common and more than three attributes is same Finally I want to select like ...
2
votes
1answer
37 views

How to add DockWidget above the Layer panel using PyQGIS

I'm trying to dock an attribute table on the left hand side of my window, above the Layers panel. By enabling "Open new attribute tables as docked windows" (under Settings Options > Data Sources ...
3
votes
1answer
44 views

Getting attributes of intersected polygons using PostGIS

I have a PostGIS table containing about 50,000 polygons and some of them are overlapping. I'm trying to use PostGIS to return a table with all the Intersecting parts of the polygons along with some ...
0
votes
0answers
44 views

Classifying Attribute Table values? [duplicate]

I have an attribute table with a lot of lines. I want to classify them considering their length: SHORT (from 0 to 50) MEDIUM (from 50 to 150) LONG (from 150 to 180) How can I do avoiding to modify ...
0
votes
1answer
53 views

Using If/Then Statement in ArcGIS Field Calculator?

I am trying to add a column that shows vegetation production (numeric) in relation to soil series. I have each soil series already in the attribute table however I am having a hard time writing the if/...
2
votes
0answers
20 views

Can I symbolize based on the syntax in a description attribute colum?

I got a kmz-file from an organization and the attribute table has a colum 'description' with a synthax that holds import information (such as date built, water source, village etc.) instead of a ...
3
votes
3answers
254 views

Assign a specific color to vector layer based on RGB codes in attribute table

I use QGIS and have a geological map for a large area. I present this after ID codes based on the geology ("Geokartnr" in photo). I want to use international/nation color codes for each rock type, ...
1
vote
1answer
31 views

Attribute Table Sort Disordered in QGIS?

I am using QGIS. I opened my attribute table in Open Office Calc and sorted the table by a column. I believe I had all the columns selected when I sorted. Now when viewing the layer, everything is ...
1
vote
1answer
32 views

Qfield viewing features in layer without geometry

I created Qfield project that includes layer without geometry. I can successfully create new features but couldnt find a way to edit or view created features on mobile device. I looked through ...
1
vote
2answers
46 views

Add Path to JPGs in Attribute Table based on Unique ID

I've been tasked with updating attribute table fields with file paths to image files in a folder based on a unique ID. I'm having trouble thinking up a script that will do this? I'm working on a ...
0
votes
0answers
24 views

How to trim cell values in an attribute field

I am working in ArcMap 10.4.1 and need to trim cell values in the NAME field of a feature class. Everything starting from double underscores needs to be deleted. This is my attempt in Field Calculator....
-1
votes
2answers
34 views

Export symbology to attribute table

I created symbology classes of many polylines in ArcMap 10.2. I want to know the class that each polyline belongs to (maybe written in a new field on the attribute table? or by exporting the symbology ...
5
votes
1answer
161 views

Filter vector layer by searching through complete attribute table - limitations and improvements

In a case were I have a shapefile with a lot of attributes (predominantly text), also I don't have any information about the structure and I don't have any idea in which attribute I have to search/...
1
vote
1answer
52 views

How to use attribute table field name as the Output filename expression in Print composer?

I have several features I want exported as individual images. I am using Print composer and the export process was successful, but the output shows generic filenames like output_1.png: It obviously ...
1
vote
1answer
66 views

How do I insert a list of values into individual rows using Python?

I have a dataset that contains a field with a range of numbers (e.g. 1, 2, 3-6) as well as other fields. I've used python to expand the range field into discrete numbers (e.g. 1, 2, 3, 4, 5, 6) stored ...
1
vote
1answer
27 views

Prioritising values in accordance to various Columns

I previously asked for help in Prioritizing the Attribute table of a self made polygon layer Prioritising polygons in QGIS Now I want to change this prioritisation in accordance to multiple values ...
0
votes
1answer
46 views

Selecting by attribute by specific characters fields

I have a field "HNR_S". It contains values like "124", "122", "1315", "1465", "15151", "124512642". How can I select more than three numbers?
1
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0answers
29 views

QGIS: Copy all attributes of polyline layer when converting it to point layer

I want to add attributes from a polyline layer to a vector point layer. The polyline is railway network. It has been divided into segments automatically, where as the attributes apply for each ...
0
votes
0answers
38 views

Symbology or style to separate layers

I have a layer i.e. vegetation, i can split this layer in different colors using rules or categories i.e. light green = grass, darkgreen = trees. Then the colors appear 'nested the layer. When i make ...
0
votes
1answer
34 views

Filtering attribute table based on names in another table using QGIS?

I have a shapefile showing a list of district names. I have (currently in Excel) a long list of district names in a table. I would like to filter those districts that are in the other list. I think ...
2
votes
1answer
31 views

“Empty” cells in attributes table - QGIS3 - QuickOSM

Just why? (look at picture below) Why no data in attributes table? There should be infomation about map features. I check this area in QGIS on PC with Windows, and there is no problem with table... ...