A characteristic of an object (person, thing, etc.). In the GIS field, it is used to refer to the non-spatial data associated with a location or geometry

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25 views

How can I determine an appropriate query based on a join?

I am having trouble coming up with a query that will show the 12 states total population percentage in ArcMap 10.4. I created the spreadsheet below and I have already joined my excel to the states ...
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1answer
77 views

Compare features attribute

I have a polygon layer and each polygon has the MEAN elevation as an attribute. I want to write a python script to loop through each polygon and compare its elevation with its neighboring polygons. If ...
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5answers
5k views

Deleting features (rows) from shapefile (attribute table) using ModelBuilder?

I run into a problem and can't figure out how to solve this one. I use the ModelBuilder and have a shapefile with loads of information. This information needs to be reduced. Therefore I want to ...
2
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1answer
42 views

How to hide more than one QGIS attribute field at a time?

Using QGIS 2.14.1, I use the Layer Properties > Fields > Edit Widget to hide the display of an attribute in the attribute table, as shown in this screenshot: Is it possible to hide multiple ...
2
votes
3answers
125 views

arcpy codes to write ranked values

I have a dataset with ranked attributes(e.g. very low, low, moderate, high, very high). I would like to write a python code using arcpy to give a numeric values to each rank, such as 0,5,10,20,50,100. ...
4
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1answer
32 views

Problem with Attribute Assistant Expression Command

I am using the Attribute Assistant add-in to perform multiple steps when a new feature is created. Two of the important steps are: generate a unique, incremental ID (project ID) and then use that ...
5
votes
3answers
90 views

Is it possible to have the attributes fields already filled from the previous object?

I need to create a lot of points with lots of attributes, but most of the fields are the same, so I don't want to edit all the fields all the time. Is there a "remember previous fields" function ...
1
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1answer
348 views

Functionality of Attribute Assistant and ArcGIS Online

We are an EGIS group using Arc Desktop 10.3.1 and ArcGIS Online as well as the collector app. With ArcDesktop we use the ArcGIS Local Govt Attribute Assistant We are seeking to allow users to enter ...
2
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1answer
4k views

Exporting QGIS contour attributes in DXF file?

I have a .tiff data file that generates contours in QGIS. I save it as .dxf. The contours don't have any attributes or data. That's bad, because I want to make a 3D landscape in Revit using the ...
3
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2answers
62 views

How to group by attributes and give unique categories in QGIS?

I have features and each of them has an attribute about what it is. In my case, I have points representing trees and each tree has its species name as an attribute. I would like to group them by ...
1
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1answer
149 views

How to get sum / total length of lines per polygon in QGIS?

I have a line vector layer which has multiple segments within individual polygons in a separate polygon layer. I have spatially joined the attributes so that each line segment now has the same ID as ...
2
votes
1answer
47 views

Can I control what field comes up first in the Identify Results window in QGIS?

My shapefile has 20 fields in the attribute table. When I click "Identify results", the third text field (Welsh_Name) comes up first. Is it possible to change which field comes up first (at the top ...
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0answers
18 views

Warning/Error message “The ) is expected” - Functional Attribute - GeoMedia Desktop

So the problem, is when I write my Expression on the Functional Attribute window in GeoMedia Pro, it gives me a warning message indicates that the ")" is expected; The expression is : ...
1
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0answers
43 views

Arcpy cannot find shapefile attribute [closed]

I want arcpy to perform the following: load a shapefile, prepare to edit it, open its attribute table, perform a numpy.digitize using the values of a certain attribute and some bins provided ...
5
votes
1answer
70 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 ...
0
votes
1answer
204 views

Feature attributes won't update

I am trying to update feature attributes from a .NET application that I'm working on. I've cleaned the code down to the following example: string serviceUrl = ...
3
votes
1answer
149 views

How to use QGIS Graphical Modeller to join specific fields?

I wish to join one field from a shapefile to another shapefile within the QGIS graphical modeler. I am aware that there is a 'Join attributes table' algorithm but this joins all of the fields from the ...
1
vote
1answer
38 views

QGIS Heatmap by value (NOT by point-densty)

I need a heat map generated by points value irrespective of how close or far apart the points may be in QGIS 2.6.1 So far I'm using the raster/heatmap/heatmap function. I need the same colour to run ...
1
vote
1answer
31 views

Shapefile with point or polygon

I'm just beginning with SIG and QGIS. I've been given two shapefiles with cities. One shapefile appears like point shapefile in QGIS, the other like polygon shapefile. The problem is that the ...
2
votes
1answer
46 views

QGIS Attribute update using excel

I am looking to update the Attribute table for a Layer in QGIS using a join. However I am not looking to ADD attributes to the table (thereby adding extra columns) rather I would like to "Update" ...
4
votes
1answer
33 views

How to set hidden attribute in QGIS Lyon?

I want to set my attribute as hidden in QGIS. I have tried Layer Properties -> Fields -> text edit -> Select Hidden. It is just information. In hidden attribute will be invisible - the user is ...
2
votes
1answer
33 views

How to display street names from OS StreetAny layer?

Using QGIS version 2.10.1-Pisa. I have imported layers from an Ordnance Survey data set. I have a layer called 'Street any' which gives me the boundaries of the streets which I can see. I can see ...
7
votes
2answers
77 views

creating clusters of points with same attributes

I have a file of some 4000 points, which belong to around 400 different categories (species of rare plants). I would like to remove duplicates within the categories (which could be repeated ...
3
votes
1answer
613 views

How to write GML and GeoJSON features while retaining attributes in .NET?

I am developing a .NET project [C#] that needs to export/write features as GML and GeoJSON, including, of course, the attributes; data could queried by a database or manually entered. I checked ...
6
votes
1answer
476 views

How to remove Commas from field values in multiple files?

I'm working in QGIS, presenting data in ArcMap, and Arc is having trouble with the attribute tables. I have a "species" column which lists the species found in that area and have added commas "," in ...
1
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1answer
30 views

Joined attributes not available in Feature Service

I have a joined feature class (PROPERTY) and table (OG_LEASE). When I publish this as part of a map service and feature service, attributes are only available in the map service. Map service fields: ...
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0answers
11 views

QGIS and mysql administration - How to update a multiple select values

I have a mysql DB with spatial information. I would like to admin this DB from QGIS. I have the following situation: TABLE_A id | title | point 1 | item1 | point(x1,y1) 2 | ...
4
votes
1answer
77 views

How to assign polygon attributes to grid cells using centroids in QGIS?

I am relatively new using QGIS. Unfortunately I can´t figure out the following yet. I have two polygon shapefiles, one is a grid I have created using QGIS 2.12.3-Lyon (Creat graticule) and the ...
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0answers
41 views

Combining attributes of point data within buffer using QGIS?

I have city data broken down into intersections and roads. Around each intersection, I have created a buffer. I also have parcel data, including the attribute "gross tax 2015" for each parcel. I ...
1
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0answers
22 views

Command line join attributes by location using OGR

I have two overlapping vector files (polygons and sample) and want to do a spatial join from the command line to extract all features in polygons that intersect with sample. Essentially I want to have ...
0
votes
2answers
1k views

Copying annotation feature and pasting within same layer?

I am having trouble executing a very basic command which is to copy and paste an annotation within the same layer in ArcGIS 10.1. First, I created an annotation class, then created one label (a ...
0
votes
0answers
31 views

Redrawing multisegmented lines as arcs using measurements stored in attributes

I'm beginning the process of moving our local government cadastre data in to a topologically clean parcel fabric layer using ArcGIS. I'm at the stage where I'm looking to clean the data and get it ...
0
votes
3answers
162 views

Creating layers for each attribute value via Arcpy script

I'm having some trouble starting this script. Not sure how to start, as I have to create/output layers for each attribute value from a certain column named that has integers. They are all unique ...
3
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0answers
28 views

Automated Attribute Field completion

I created the following model based on the fields that is needed for asset valuation. Please see below. I would like to auto-populate the "Code" field basde on certain criteria, for example. The ...
3
votes
1answer
58 views

Subsetting a shapefile and saving it using PyQgis

I am very new to PyQgis. I have a shapefile containing a lot of information for each place, it looks like this id stat_1 stat_2 ... stat_n i1 0 0 2 i2 1 1 ...
2
votes
1answer
1k views

Add new rows to a shapefile

I'm using QGIS. When I enable editing of a shapefile's table attributes and select, 'open attribute table,' is it possible to add new rows to the shapefile's table attributes? The problem I'm trying ...
3
votes
3answers
2k views

How get the attributes list from a feature in OpenLayers 3

I'm getting a Vector layer from a WMS server, but I dont know which field are include it. In previous version feature object had a attributes collection but I can't find it now. Is there a way of ...
2
votes
1answer
72 views

Strange names of swedish cities [duplicate]

I got a GIS Data-set for swedish cities. The problem is that they have strange names such as: Trädet Jäla Mjönäs Älmhult Did someone have the samoe problems? I think "ö" for instance mean ...
1
vote
1answer
2k views

Exporting PDF with Hyperlinked Attributes from ArcMap

I'm using ArcGIS 10.1 and would like to export a map to a pdf, preserving feature's attributes. I would like to be able to identify, for example, a point feature from the map on pdf with its ...
2
votes
1answer
27 views

Using ArcGIS ModelBuilder in to Select By Attributes?

I have a file showing for each disaster, which provinces were affected. The number of provinces affected varies and their names or associated code varies as well. Example, if a flood in 2000 ...
1
vote
1answer
61 views

How to manually assign new names to attributes in a spatial data frame column with NA values

Data can be found here (Admin 1- States and Provinces, first download button): http://www.naturalearthdata.com/downloads/10m-cultural-vectors/ I have a shapefile of the world that I'll be pulling ...
2
votes
2answers
70 views

Copy geometry from one layer onto attributes of another?

I have two polygon layers, A and B, that have the same features but totally different attributes. I want to use the attributes from layer A, but I want them to have the more accurate geometry from ...
6
votes
1answer
4k views

Reassigning raster cell values from another attribute in raster attribute table?

I have a large (size of lower 48 U.S.) 100m resolution raster dataset that has a raster attribute table (RAT). The data were created by someone else. One of the attributes in the RAT has the data ...
1
vote
0answers
43 views

Polygons get lost when doing Join attributes by location

I am trying to do the operation "Join attributes by location" in QGIS. I have a point layer and a few polygon layers, all of them in shapefile format. I want to sum the values of the attributes of the ...
2
votes
0answers
28 views

Attribute table update after v.split on GRASS GIS [duplicate]

So I just used v.split to create shorter segments (with just 2 vertices) of my contour lines. I was left with about 22000 lines but, when I open the attributes table, I find no more than 45 entry ...
1
vote
3answers
47 views

How to assign diameter size to valve feature class based on waterline size?

I have two shapefiles, valves (points) and waterlines (polyline). The waterlines have a diameter attribute that is populated with the correct size. The valves have an attribute for diameter size as ...
2
votes
1answer
58 views

Why is QgsFeatureIterator returning bad data?

This is a spin-off of another question I asked previously, but it has grown in scope and deserves its own thread. While iterating over a vector layer (shapefile) I included the following ...
0
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1answer
590 views

Adding sequence numbering based on attributes in table? [duplicate]

Is there a way to auto populate a sequence of numbers based on another attribute in a table? For example, if field "Name" has a sequence of numbers from 1 to 10, and I want to number all the rows in ...
5
votes
1answer
7k views

Why can't I edit attribute table imported through 'text as layer'

I imported the coordinates from an Excel table. They show as single points as intended. Now I want to add columns to the attribute table, but I'm not able to edit it. I wanted to import the following ...
0
votes
0answers
29 views

Using Definition Query to pull out monthly ridership data?

I have a database of bus stop ridership for Jan-Nov of 2015. There is an existing data set information pertaining to bus stops. I previously linked individual tabs (for each month) to the bus stop ...