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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2
votes
1answer
34 views

Feature Class to Shapefile with Definitions not Values

I have a point feature class in an SQL Server Geodatabase that we use for day-to-day analysis. Occasionally we receive request for copies of our data from the public and send them shapefiles. If I ...
0
votes
0answers
15 views

Importing shapefiles into AutoCAD?

When I import a shapefile into Civil 3D 2014 my attribute fields are adding three more significant figures to the end of my values. I have played around with the precision and scale and between float ...
0
votes
0answers
28 views

Join attributes by location - QGIS

I am trying to perform an attributes join by location between a shapefile (with points) and a second shapefile (with polygons). The points are hydrometric gauges, whereas the polygons are catchments. ...
2
votes
1answer
18 views

Problem with an Expression in Attribute Assistant?

I am using ArcGIS 10.3.1 for Desktop in a versioned environment. I am also using ESRI Attribute Assistant to autopopulate fields using a custom expression. My Table Names, Field Names, Value Method,...
2
votes
2answers
41 views

Is it possible to update attribute from spatial join without creating new shapefile?

I have the following shapefiles: county.shp: polygons referring to country land subdivisions lake.shp: polygons referring to lakes, ponds, etc. Layers attributes are as follow: county.shp id ...
2
votes
2answers
58 views

Add attributes to layer

I'm trying to add a new attribute to a vector layer in my plugin. But it does not work.. Why? selectedLayerIndex = self.dlg.comboBox.currentIndex() selectedLayer = layers[selectedLayerIndex] name = "...
1
vote
0answers
27 views

How to interpolate a set of waypoints?

I am trying to interpolate a Vector Layer in order to have as many waypoints as possible. I am doing it with the Interpolation Plugin, but I don't know what to do with the Raster Layer generated (I ...
4
votes
1answer
51 views

New features to shapefile in QGIS end up with previous features attribute values - why?

When I digitize a new feature to a polygon shapefile in QGIS the attribute data of the new polygon is replaced by the data entered into the last feature created. Has anyone else ran into this issue? ...
1
vote
1answer
43 views

Numbering adjacent polygons in sequential order

In QGIS is there a way to assign ascending numbers (attribute) to polygons that are located in a row. The polygons were not created in sequential order.
0
votes
2answers
47 views

QGIS autoupdate attributes

How to change attributes value when i move(change position) point? I don't found some information about this. Sorry for my english.
3
votes
2answers
46 views

Why do certain fields import as strings in QGIS?

I have imported a CSV to QGIS with lat/lon values representing points. The other fields, at least in the original CSV file, contain numeric values. > sapply(pune_hotspots, class) id ...
1
vote
0answers
38 views

PostGis - st_union polygons, keep sum of attribute

There are multiple My current query is: SELECT (ST_Dump( ST_Union( way ) )).geom AS way, 10000 AS way_pixels FROM ( SELECT way, way_pixels, ...
0
votes
0answers
6 views

Plotting attributes adjacent in GRASS?

How can I get an attribute (in this case a well api number) to plot adjacent to the well's symbol on my map. I am new to Grass and running Grass 7.
1
vote
0answers
57 views

QGIS Attribute Question

I am trying to create a script that will take selected features from one layer and search for the specified attributes related to a column name. in my case 'id'. What I am having trouble doing right ...
2
votes
0answers
43 views

problem using qgis spatial join in a python script or modeler : no results [closed]

I'm trying to create polygons from points layers. Each layer contains one point to avoid troubles due to superposition of polygons. I detailed the context here : How can I add output vector to a list ...
1
vote
1answer
15 views

Sum habitat type within region using MapInfo?

I have two layers; one shows admin regions and the other shows habitats within those regions with columns for specific attributes and the corresponding area in hectares. I need to work out the total ...
2
votes
1answer
55 views

How to create a QgsFeature with default attributes?

I have a polygon layer loaded from POSTGIS database. This layer has a default value for the first column. I can create a new feature set that attribute to some predefined value with newFeature = ...
1
vote
1answer
45 views

Read only geometry from shapefile with python/geopandas

I would like to open a shapefile(shp) without loading the attributes(dbf), as I do not care about attributes and it takes about 25 minutes to load them. I am using Python Geopandas, so any Fiona or ...
1
vote
1answer
37 views

QGIS buffer points, buffer amount in attribute value

I have a set of points in a shapefile with a real number attribute 'r' containing a radius (cp. screenshot below) and i would like to buffer these with amount of 'r'. As the result I expect a polygon ...
1
vote
1answer
27 views

QGIS - Listing feature names as an attribute within a polygon

I have a number of polylines in QGIS that correspond to seismic SEGY files, and want to subset the dataset using a box/polygon that I make in QGIS. Is it possible to get the feature names that are ...
2
votes
0answers
11 views

How to create one attribute containing multiple adjacent parcels?

I'm trying to upload town parcel data to my Garmin GPS from Esri. Garmin registers each attribute as an entirely different file, and requires you to 'turn on' each file to display it on the GPS. This ...
2
votes
1answer
48 views

QGIS 2:14 - Border show-through on small Simple Markers

On small Simple Markers, 2.20000 mm or less, there is border show-through which I have been unable to eliminate with no pen or transparent border style. This is shown in the group of large and small ...
1
vote
0answers
28 views

QGIS - Split a line having attributes with UNIQUE constraint

I am using QGIS with a PostgreSQL/PostGIS database, where the lines table (named 'segments'), besides the integer serial primary key, has a UUID column having a UNIQUE constraint. Trying to split a ...
1
vote
2answers
61 views

Is there a plugin or another way to quicky edit the attribute features in QGIS?

I want to edit the field "name" of several roads in QGIS 2.14. How to do it very quickly? Currently I select with "Identity feature" tool that open Form Feature Attribute, then with the mouse I ...
0
votes
0answers
19 views

How to retrive feature's non-spatial attributes from kml file in OpenLayers 3?

I'm working on a webmap using OpenLayers 3 with KML & GeoJSON vector layers. I've managed to render the layers on the map properly. I am able to retrive the attributes from all my kml files except ...
2
votes
2answers
52 views

Copy DEM attributes to a vector point?

I have a point that I drew on a tiff DEM file in QGIS. The point doesn't have any information in the attribute table except an ID of 1. How can I make it copy the raster information based on the ...
0
votes
0answers
32 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 ...
2
votes
1answer
91 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
155 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
votes
1answer
58 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 ...
4
votes
2answers
79 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 ...
2
votes
1answer
65 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 ...
1
vote
0answers
29 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 : ROUND(AREA(...
1
vote
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 ...
1
vote
3answers
69 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 ...
6
votes
1answer
116 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 ...
1
vote
1answer
34 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 polygons'...
2
votes
1answer
62 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
41 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 ...
7
votes
2answers
156 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 ...
0
votes
0answers
15 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 | ...
1
vote
0answers
50 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
vote
1answer
43 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: ...
1
vote
0answers
33 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
0answers
34 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 ...
3
votes
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
77 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
77 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 ...
2
votes
1answer
29 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 ...
4
votes
1answer
86 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 ...