Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [fields-attributes]

Fields, also known as attributes, contain information about features.

1
vote
1answer
16 views

Adding information of a shapefile to a GPS coordinate

I am using ArcMap 10.6.1 and I am currently trying to add information to a GPS coordinate. This coordinate (red) lies within a shape from a shapefile, and the shapefile as some attributes (yellow box)....
1
vote
2answers
37 views

QGIS layer export to KML limited to 2 fields

I'm successfully exporting my layer to KML using the Right click > Export > Save Features As.. window. I then check the 13 fields I want to export, and proceed without problem. But when I import this ...
1
vote
0answers
31 views

QGIS 3: Get all Attributes and Objects / Features in View

I use attribute tables to store informations about a object/feature on a layer. I have multiple Layers => multiple attribute tables. Now I want to have a report about all displayed objects/features (...
1
vote
3answers
225 views

ArcGIS-Calculate field : Give the first value to the others

I'm making a model builder to automatize some linear referencing projects but I have some problems with the field calculator tool. My table contains 3 fields : ID | NOM | LIGNE and I'd like to ...
4
votes
3answers
5k views

Accessing attribute data type in PyQGIS?

I've been developing a plugin on QGIS platform using PyQGIS. So far plugin does the following: You can select any feature of the already loaded vector layer in QGIS. After selection, plugin displays ...
1
vote
0answers
16 views

Calculating areas and joining attributes between overlapping features

I am working with QGIS 3.4.8 and Python 3.6.8 on OSX El Capitan 10.11.6. I have two shapefilea, one which is a grid of cells (each cell a feature) and the other one which is urban settlements as ...
2
votes
1answer
32 views

QGIS: Cannot add negative numbers in a field

I am using QGIS 3.4 and when I finish drawing a feature (line), I try to add a negative value (-1) in the attribute dialog and it is automatically changed to NULL. The field is integer. Even if I ...
0
votes
1answer
75 views

Setting new value into field created by PyQGIS?

I'd like to create a new field named "vctcn93", loop the features of active layer, if string "metro" in feature name, I'd like to add a value string "get" into the field "vctcn93". But when I check ...
3
votes
2answers
72 views

Running arcpy.AlterField_management 2,000 times takes too long?

I am trying to replace field names of a table stored in a file geodatabase using a dictionary as a lookup table. My field names got cut off from the Tabulate Area tool (Tabulate Area Truncates Field ...
1
vote
1answer
13 views

How to enter text into attribute tables with QGIS graphical model?

I am using QGIS 2.14 to open NC files for chlorophyll satellite data with the end goal of compiling chlorophyll values for many dates (each its own initial file) in a spreadsheet. I know how to do the ...
1
vote
1answer
21 views

Assigning attribute based on selection points on a graph?

I have a bunch of points on a map on a river that branches. I want an easy way to select one branch from the other and was hoping I could just somehow "grab" those points on the map and add a column ...
2
votes
1answer
1k views

How to create dynamic maps based on updated attributes in SHP file

I am novice GIS'er. I can create maps and do basic transformation of the SHP file using QGIS. I also succesfully applied formatting based on attributes. I am able to add new attributes to SHP file in ...
1
vote
1answer
23 views

How can QGIS 3.X create atlas by a group field?

I have a line layer with 8 features and a field TYPE (5 features is type_A and 5 features is type_B). I want to create a atlas which output is two single image (one is grouped by typ_A with 5 features,...
10
votes
2answers
6k views

Understanding Join Attributes by Location in QGIS?

I wonder if there is somewhere an explanation for the parameters that can be set when running the Algorithm "Join Attributes by Location" in QGIS 2.18. I had a look here: Documentation QGIS Testing |...
0
votes
1answer
19 views

Trying to get Multiple Tabs to display in Attributes Table in CMV viewer javascript file

My first tab displays correctly.. This is my code in my viewer: Both the service URLS display the attributes table in ArcMap correctly and both the URLS work in a browser This is the error message ...
3
votes
2answers
682 views

Adding iteration in model to join fields from several shapefiles into final one?

I have one grid (Atl1x1.shp) to which I need to add 9 Fields from 9 different shapefiles which are also grids (that is, 1 column from each shp, all with the same name). These shapefiles have the same ...
0
votes
1answer
28 views

Set up field dependencies

I am creating a web map in AGOL using a single feature with multiple fields. My first field has 2 domains. Is there a way to have other fields grayed out dependent on which domain is chosen? I want ...
2
votes
2answers
45 views

Merge shapefiles with unequal field lengths

I have several shapefiles in ArcMap that I want to merge together into one shapefile so I don't have to keep juggling them all. However, I can't use the Merge geoprocessing tool because it gives me a ...
0
votes
1answer
61 views

Run model from script

This is my script where I am trying to use selectby_attribute within a model, based on a field, F*. There are 6 fields, so I want 6 derived layers. Then I am going to use bearing and distance tool ...
0
votes
1answer
38 views

Creating polygon from lines, using the lines' attributes?

I'm trying to transform lines into polygons with the attributes. The lines are from a dwg file. I tried to use "feature to polygons" but doesn't preserve the attribute. I tries to transform lines to ...
0
votes
1answer
62 views

Create New field equal to existing field - convert to integer - PyQGIS 3.4

I'm using PyQGIS 3.4, I am trying to add a new field and set the values equal to an existing field. The existing field are population totals but are in string format, I want to convert these to ...
2
votes
2answers
100 views

Removing extra spaces from Attribute Assistant calculation

Using the Attribute Assistant in ArcGIS 10.5, I auto-populate a field called FULLADDR by entering values for the fields below: ([ADDRNUM]+" "+[ROADPREDIR]+" "+[FULLNAME]+" "+[ROADPOSTDIR]+" "+[...
2
votes
2answers
69 views

Replace empty values with the next available one using FME

how can be replaced empty attributes with the next available values ? I tried NullAttributeMapper but somehow I dont get desired results! What I have: attribute1, , ,attribute4 ,attribute2,...
1
vote
1answer
108 views

QGIS Spatial Сross Join attributes

I have a set of LineStrings (streets) and a set of rectangles (atlas pages extents) that could overlap each-other. And now I want to create a legend for an atlas like street1, pages: 1,2 street2, ...
3
votes
1answer
142 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 ...
0
votes
0answers
21 views

Lost/disappeared shape_length an shape_area fields

I have a vast database which includes a shape length and shape area field. One day, after doing some fc to fc layers from said feature class, I opened the attribute table and the shape length and ...
0
votes
1answer
152 views

Extract Raster to Multiple Rasters by List of Values in R?

I'd like to use the Raster package in R to process a single DEM. I'd like to use a pre-determined list of elevation values to extract multiple raster datasets from this DEM. Not all values are of ...
0
votes
0answers
31 views

Retain field name alias in feature class when exporting to shapefile

I have a feature class in a geodatabase which I've joined a table to. The table which was joined has field names >10 chars. I will then need to export the feature class to SHP and once completed, ...
2
votes
1answer
195 views

Splitting polygons and dividing attribute value proportionally using ArcGIS Pro?

I am using ArcGIS Pro 2.3.0. I have two feature classes (pictured below), RED polygons and BLUE polygons. The RED polygons have a numeric attribute, Value1. How can I split the RED polygons with ...
1
vote
0answers
61 views

Collecting features from multiple layers, with different attribute fields, in one layer using PyQGIS?

I am developing a plugin for Qgis. I have three layers that contain polygon geometries, and that need to be combined in one layer. During this process, I also collect all the attributes from the input ...
1
vote
1answer
194 views

Build Radio Button in QGIS Edit Widget Properties

My question is similar to Choosing multiple options from QGIS Check Box or Value Map for feature attribute? I have 3 categories in a row, i want to make this selection in form of radio button so that ...
1
vote
1answer
79 views

Establishing attribute order in table using ArcPy with ArcGIS Pro?

I have the following piece of code hoping to have a table with a set of fields on a specific order: #Removing the fields we do NOT want to show in the output arcpy.MakeFeatureLayer_management(...
1
vote
1answer
59 views

Domains tab missing in geodatabase properties?

I'm fairly new to ArcGIS Desktop. I started working on a feature layer in a new geodatabase yesterday, adding attribute fields and creating coded domains for them. However today when I opened it up ...
6
votes
2answers
1k views

How to delete fields from a Geopackage attribute table?

Using QGIS 2.14.0 on a Microsoft Surface Book with Windows 10, I created a geopackage from a layer using Save As... I can successfully add a field to the geopackage's attribute table, calculate ...
3
votes
1answer
33 views

Isolating and exporting specific sections of a shapefile in QGIS?

If I have a shapefile layer in QGIS showing the spatial boundaries of subsections of a larger area (e.g. counties within a state, or countries within a continent), how would I selectively crop out one ...
2
votes
2answers
143 views

What is the unit of the area when geometry attributes are calculated in QGIS?

My CRS is WGS 84. I intersected two files containing polygons. Each file has an attribute table stating the area of each of the polygons (in m2). After intersecting them I navigate to: Vector >> ...
1
vote
1answer
277 views

Extend polygon to polyline feature (keeping attributes)

I am looking to extend the polygon feature to the to the coastline polyline (blue line) while keeping the attributes of the polygon features (Figure below). What I am looking to do is find the ...
5
votes
3answers
10k views

Avoiding General function failure and deleting table field in ArcGIS Desktop?

I am trying to delete a table field: From ArcMap table view, I right click on the field heading and select Delete field. Unfortunately, I obtain the following message: Failed to delete the selected ...
0
votes
1answer
128 views

Where is data coming from Tilevector or mapstyle

I'm struggling to use the data that's in a vector tileset source (PortalsWithOrderNr) I commented out the add.source and add.layer but when I click on a portal I get most of the data that's in the ...
6
votes
2answers
89 views

How to change form content dynamically in QGIS 3.6

By using "Identify Features" QGIS shows a form for viewing and editing attributes in the canvas. Now I want to change the visible form elements dynamically by attribute value. An example in ...
1
vote
1answer
40 views

Select by attribute not working [closed]

I created a point shapefile by converting a raster into points. The default fields generated were FID, Shape, POINT_ID, and GRID_CODE. I added two new fields "X_location" and "Y_location". I ...
2
votes
2answers
386 views

SQL Query not selecting all points that it should?

I am working on a map of 60+ monitoring wells and I plotted them through an excel data sheet and a few tools. In that data sheet, I have Benzene concentrations associated with almost each point. I ...
1
vote
1answer
102 views

Change visibility of attribute field/group of field in one layer based on checkbox or value map - QGIS

i'm using QGIS 2.18.3, in Win 7. i want to know how to make attribute field or group of fields become visible or invisible based on value of other field on picture above, i want to make my grup ...
1
vote
0answers
19 views

Controlling field names with arcpy.Combine?

If I run the arcpy.Combine command as such: result = arcpy.Combine(["CDL/raster07", "NHD/raster07", "OtherRaster"]) The resulting raster has an attribute table with fields [f.name for f in arcpy....
0
votes
1answer
33 views

Expression returning wrong value in QGIS Field Calculator?

My QGIS Field Calculator expression: case when "field_value" = '' or "field_value" <> NULL then (if( "field_value" = '', 'N', 'Y')) end returns null value even if "field_value" has something ...
2
votes
1answer
64 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
0answers
17 views

Determine the most frequent value for an attribute based on another attribute [closed]

I need to determine the most frequent value of one attribute based on another. For example: Field 1 Field 2 Cat Tabby Cat White Cat White Dog Brown Dog ...
1
vote
1answer
70 views

Add fields from a feature to a feature in another layer

I have a criteria to select the features from a layer that overlap the features of another layer, but i do not know how to copy the fields at the same time: Tyhe code does: - two layers (1 and 2) of ...
3
votes
1answer
50 views

Dissolve (merge) polygons QGIS based on attribute values only when are adjacent

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. I have created a new layer ...
1
vote
0answers
25 views

How to get the TEXT from a layers attributes to display on my map [duplicate]

I'm totally new with GIS software, so I apologize if this is a question that's already been answered! I'm working with the Texas Landgrid. It's composed of Leagues, Labors, Blocks, Townships, ...