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Questions tagged [fields-attributes]

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

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1answer
179 views

Merge many objects with equal position while sum up their attribute values in QGIS

I´m looking for a smart way to merge multiple line objects with the same geometry and same position in one layer while also sum up their attribute values. The result should be only one geometry (...
9
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2answers
601 views

Why does QGIS 3.4 and higher create .tmp file instead of refresh editing layer after saving?

I downloaded QGIS 3.4.0 and try to save edits in .geojson file. I can save new objects, but not edits in attributes. Insted of it, QGIS creates .tmp file with my chаnges into the same folder with ...
0
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1answer
77 views

Using alias in ArcPy?

I am doing this: Access a few columns from a file geodatabase. arcpy.env.workspace = path datasetList = arcpy.ListTables("tableA") # Here putting the name of the table for dataset in datasetList: ...
5
votes
1answer
286 views

Display Multiple Symbols for a single point feature by field attribute vale

I want to create a point feature layer and add points. Around the point I'd like to add icons/symbols and labels based on data in fields of an attribute table.
2
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1answer
654 views

Can you auto-populate a field in Survey123 from another field by only pulling certain characters?

I have a field where the user inputs text Aa1Bb2Cc3 Am I able to auto populate another field by only populating the field with Bb or 3. Auto populate the field with characters [4:6] or just [9] ...
0
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0answers
20 views

Precision and scale 0 after passing parameters

I have a field in GIS that it needs a precision and scale argument. Using Arcpy, I pass the argument like this: d_fields = ["acres" , "p_dev"] for field in d_fields: arcpy....
1
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1answer
326 views

Change Table Field Editable to “yes” on a Hosted Feature Layer

I have a hosted feature layer with one attribute field (text) having a 'no' within the settings editable property. I need to change this property to 'yes' within ArcGIS Online. Is this possible? ...
2
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0answers
41 views

How to impose constraints on drop lists of two fields of the same layer?

Is it possible to impose with pyqgis3.0 some constraints on a drop list of a field attribute in order to govern the drop list attributes of another linked field? To better clarify this issue, I attach ...
0
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1answer
70 views

Using Union in ArcPy for ArcGIS Pro results in two fields with same name?

I just performed a union in my Python script between 2 features that both had a field attribute named "FLD_ZONE". My hope was that one of those attributes (for the second feature, I assumed) would be ...
1
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1answer
161 views

Reading table from geodatabase via ArcPy and doing what each row in field says after geopandas conversion?

Here is the table: Reproducible example import pandas as pd d = {'id': [1, 2, 3], 'table_na': ['ER_ASTEN_ASTOT', 'INT_ASTEN_ASTOT','ER_ASTEN_ASTTOM']} df = pd.DataFrame(data=d) df which gives: ...
0
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1answer
176 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 ...
1
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0answers
294 views

Openlayers - get properties from automatic searching selection

I want to get the feature property from a selection. The Selection is comming from a search reference, from the openlayers extension (by http://viglino.github.io/ol-ext/). It works almost everything, ...
0
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0answers
127 views

Does Geopackage field length affect performance?

I have moved away from shapefiles, and now store most of my desktop spatial data in a Geopackage. One of my fields is used to store research notes and is 'Type TEXT' with a character limit of 254. I ...
1
vote
1answer
72 views

Clipping a road layer by using region attributes

I've been trying to clip a road layer into several layers by using region polygons. So in detail: I've got a layer with all roads of Germany and a second layer with all states and regions of Germany. ...
1
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0answers
54 views

Shapefiles and attributes from ArcGIS Pro missing in ArcMap?

I have data that is a series of digitised polylines that due to issues with maintaining the Z component have been exported (from another software package) as XYZ points in .csv format. Using ArcGIS ...
0
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1answer
35 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
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0answers
322 views

Copy polygons to another layer with different attribute

I am working in QGIS 3.0.2-Girona. I am digitizing images in which there are rocks that can be encrusted, totally or partially, by algae. I want to have a polygon for the rock and one for the algae. ...
1
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1answer
39 views

Using Dissolve Tool in ArcGIS Desktop?

I am using ArcGIS Desktop 10.4.1 and trying to create a mailing list using parcel data. I need the parcel lines to be dissolved if they have the same owner name and are adjacent or adjoining. ...
0
votes
1answer
124 views

Turn all fields on in layer properties using ArcPy?

I've been trying to turn all fields of a layer through properties fields I just need to turn them all on import arcpy from arcpy import env import sys import os mxd = arcpy.mapping.MapDocument("...
1
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0answers
60 views

ArcGIS Pro recieving error 000405: No records within table when records do in fact exist?

I selected a subset (blue) of points from the feature class (red) which all have populated fields in the attribute table, and can be manually edited (by clicking each individually and typing a value) ...
1
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1answer
134 views

AlterField_management not changing Field Name?

I am trying to change field name of shapefile using AlterField (Management) tool for multiple feature class and multiple field name (same in all fc) import arcpy from arcpy import env env....
-1
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1answer
748 views

Populating field with values based on another value using ArcPy? [closed]

How do I populate a field y with info1 or Info2 values, depending on the value of the x field, using if conditions?
0
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1answer
29 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?
1
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2answers
747 views

New fields added via ArcGIS Online not appearing on Collector?

This question has appeared in some random threads (https://community.esri.com/thread/217461-field-added-on-arcgis-online-does-not-appear-on-collector) with no clear solution. Basic premise: Simple ...
3
votes
1answer
251 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 ...
0
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1answer
34 views

Assigning value of list to field using ArcPy? [closed]

I have used the addfield_management function to add a new field, and I want to assign the value of a existing list like [1,2,3,...]to the new field, any idea how to do it?
0
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1answer
41 views

Using field created in ModelBuilder in same model?

I have created a model in ArcGIS ModelBuilder and in a point of the process I insert a python tool (New Field) to create new field in a shapefile. After that I want to use this new field in other ...
1
vote
1answer
177 views

Different SVG markers for different attributes

I am using QGIS 3.0. I want to use different angle arc SVG markers depending on the data in the attribute table. For example, some points require a 60-degree marker, other a 35-degree marker etc. to ...
4
votes
1answer
269 views

QGIS actions: copy to clipboard some attributes

When I click on "execute action entity" =>Copy to clipboard a preconfigured set of attributes of my layer. Here's what I've done so far: Open the Layer Properties dialog and head over to the Actions ...
5
votes
2answers
369 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 ...
1
vote
1answer
63 views

Creating 2 symbology in the same layer on Mapinfo [closed]

New to MapInfo, I would like to create a High voltage layer with two different attributes (11 and 6.6) representing by two different colours on MapInfo. How can I do that?
1
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1answer
53 views

Adding new field to feature class?

I'm using one of the esri model sewer system geodatabases. It includes empty feature classes and a geometric network. i need to add a field to one of the pre-made feature classes, but it won't let me....
2
votes
2answers
166 views

Ordering data in sequential order based on coordinates

I created a fishnet grid and need to give the individual polygons ID values based on their associated property names and location relative to each other. I was able to achieve the above results with ...
1
vote
0answers
131 views

Uneditable fields in attribute table

I have data in a .csv sheet that I imported as a vector layer into QGIS. I then joined the imported table with an existing .shp file. The fields that I joined into the .shp file are not editable (they ...
0
votes
1answer
28 views

How to update a field in a CSV file/table based on where it is on the map

I have a shapefile which I downloaded that displays different region types. I also have a CSV file of geocoded addresses. I have loaded both into QGIS and can see the addresses scattered about on the ...
1
vote
2answers
43 views

QGIS Shapefile - Units/Editing Shapefile

I have a Shapefile that has properties/parcels as polygons. I am looking to select by parcels that are bigger than a certain size in acres. The problem is that the Shapefile has the properties/parcel ...
2
votes
0answers
67 views

What characters are not acceptable in an ArcGIS text field (File Geodatabase)?

Trying to join a table to my feature and it keeps leaving out a field. The field is a legal description of a property, it has all sorts of funky characters: : ; / \ () ' " and more The field is ...
1
vote
1answer
177 views

Copying field names, aliases and datatype to Excel through clipboard using ArcGIS Pro?

I am making an inventory of the field names, aliases and their data types to get an overview of my entire geodatabase. I want to therefore copy them to excel. It works on ArcMap. However, I cannot ...
2
votes
1answer
2k views

Adding text to end of existing value in QGIS

I have a column in a large attribute table. The values in this column are numeric value. Example entries in this case would be: 1, 2.0512, 8.5744, 8.944 How can I add the word 'm' to the end of ...
1
vote
1answer
53 views

How to put value from different fields using Python?

Here I added a new field name "visArea" and want to put in the number from the "Count" column which "Value" equals one.That means the number of visible point(value=1)from selected observe spot.I used ...
0
votes
1answer
445 views

AttributeError: DescribeData: Method fieldInfo does not exist

I have a script that looks at feature class inside a .gdb and prints some simple information about the attributes field. Note- these is actually only one feature class in the .gdb. I want use the ...
1
vote
2answers
711 views

Renaming several fields using arcpy.AlterField_management()?

After several attempts and researches (I haven't found examples for renaming several fields directly without using a list), I tried the following code to rename several fields. However, I get the ...
1
vote
0answers
170 views

Collection properties are lost when exporting in google earth engine

I have a general confusion over the 'id' field and how it is set and change in GEE, but I faced another strange thing: The collection properties are lost when exporting in GEE! I tried below sample ...
3
votes
2answers
228 views

TAB (MapInfo) Attribute Data not Imported to shapefile using QGIS?

I am trying to convert some TAB files into Shapefiles by using QGIS. After I import the TAB files, and make sure that these have the correct CRS, it is possible to observe that the spatial data can be ...
1
vote
1answer
38 views

Widget codes works intermittently

I have a QGIS program that is hosted on a SharePoint server that is used by multiple users. I have entered a rule for a point layer that when new features are created default values are added under ...
3
votes
0answers
113 views

Grouping neighbor points based on field sum in QGIS

I have about 14,000 points. These points have a specific field "time", an integer value, mainly between 1, 2 or 3. I would like to split these 14,000 points into groups based on the "time" field ...
1
vote
1answer
287 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 ...
0
votes
1answer
120 views

Autoread XY coordinate in 1 field

I'm not familiar with coding. In QGIS, I would like field attribute to auto populate X and Y value and combine in one field just like highlighted below, I know that if auto calculate value in ...
2
votes
1answer
108 views

Setting field visibility in ArcMap using C#?

I want to set certain fields of a featurelayer to be visible on startup. how would I go about changing the field visibility of certain fields? if (featureLayer.Name == "LayerName") { // Code to ...
1
vote
1answer
94 views

MODIS: MYD021KM data set - can't find radiance scales to convert SI to radiances

I would like to convert the scaled integers (SI) to radiances for all my SDS MYD021Km thermal emissive bands. In the MODIS Level 1B Product user guide on page 36 in section 5.5.1 it says: The ...