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
77 views

Displaying raster attributes on data driven pages

I have a feature class of 50 properties that are ranked. I have a photo for each property stored in a raster attribute column (in the feature class) called "Picture". I am trying to create a Dynamic ...
0
votes
1answer
204 views

Add sequence numbering based on attributes in a 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 ...
2
votes
1answer
48 views

How to make a certain attribute Toggelable? [duplicate]

I have imported data from an excel spreadsheet containing lat,long coordinates associated with other attributes such as current operator of each point (well). I imported as a tab delimited file, then ...
2
votes
3answers
1k views

Joining attributes of polygons and points by location in QGIS

I have two shapefiles.... points containing a number field 'response_time' a polygon grid of square polygons containing fields including 'PNTCNT' with the number of points per polygon, calculated ...
2
votes
2answers
299 views

pass string varialbe to placeholder for attribute in infoWindow (ArcGIS Javascript)

I am working on a Javascript-based webapp that uses an ArcGIS map service, which has several attribute columns containing URLs to photos. The user will be able to open photos by clicking on a link in ...
4
votes
1answer
1k views

What is the best way to connect spatial data with attributes in Excel table?

I have many attributes which are stored in an Excel table. They refer to USA counties. I need to somehow connect those attributes to polygons in some format (don't know which is the best) and ...
0
votes
1answer
57 views

GRASS: Loss of data using v.net

I'm trying to build a network in GRASS in order to find the shortest path from any settlement out of 1120 (points), to one waste treatment facility out of 27 (points). I plan to use v.net.distance ...
6
votes
1answer
322 views

Add polygons to existing shapefile in QGIS

I'm completely new to GIS and this is a very basic question about editing existing shapefiles. I am working off an existing shapefile which was digitized (by a colleague) so that polygons represent ...
2
votes
2answers
116 views

What specifically is an 'attribute' and how does it work with the related chart?

I'm a new QGIS user (and GIS technology in general) and I'm trying to learn its fundamental features. I have a big dilemma about vector shapefiles, and points in particular: basically, I don't ...
2
votes
1answer
508 views

How to save WMS getFeatureInfo points to a layer?

This may be a poorly worded question, because I am not sure of the exact terminology, but I'll give it a shot. I have imported a vector layer from a WMS server into QGIS. I am able to query the ...
2
votes
3answers
879 views

Spatial join including attributes - kind of like right join

I've run in to a little problem. I have two sets of polygons with important attributes. I need to join over the attributes from the first set to the other, but I can't seem to figure out how. ...
1
vote
2answers
207 views

Select KML feature with specific attribute

Im using Openlayers, and importing polygon data to the map with KML files. How could i select the feature which has the attribute name="TEST" ? KML def: <Placemark> ...
3
votes
1answer
2k views

ArcGIS 10 - Raster cell values and raster attribute tables - reassign raster cell values from another attribute

It seems like this should be relatively easy to accomplish, but I've been messing with this issue off and on for a couple days and have not successfully figured it out. Problem: I have a large (size ...
1
vote
2answers
138 views

How to map a range of values to a single value in FME

A dataset with a set of points has an attribute called HEIGHTS which is filled with numbers like, 10.8, 0.4 and 150.6 etc... I want to transform this dataset to a shape file. In the transformation I ...
-1
votes
1answer
1k views

Qgis 1.8 Lisboa does not have Join attributes (only Join attributes by location)

I installed 1.8 Lisboa. I tried to join to the attribute table more data (more columns ), but Vector/Datamanagement Tools/ Join attributes by location there were also not "Join attributes" ...
7
votes
4answers
759 views

Calculate polygon field based on neigboring polygon attribute

I have a vector shape with many different sized polygons each possessing an own class name (for instance "houses", "houses with offices", etc ...) I want to assign a new field to each polygon ...
2
votes
1answer
227 views

How to view attribute table in layer within ArcGIS Server map service?

I'm new to ArcGIS Server and am trying to publish layers within an mxd to ArcGIS Server. When I bring the published map service back into Arc there is no Open Attribute Table option although I am able ...
18
votes
3answers
2k views

How to easily edit attribute data using Regular Expressions?

I am writing a tutorial for MSc students that uses QGIS. One of the tasks requires the attribute data to be modified (see pdf draft of tutorial here if interested ). The question is how to get them ...
3
votes
1answer
154 views

How do I find overlapping attributes in two different layers?

I have two layers - one with country borders, and one with river basin borders - and I need to find a way to generate a list of basins that occur in each country. Is there a way to find overlapping ...
3
votes
1answer
497 views

Calculate attributes to table based on other attributes

I am going through thousands and thousands of road lines and giving them a value based on QC with imagery. So for instance for the add_data field I give it one of these four numbers 0 = not examined ...
3
votes
0answers
196 views

Edit Widget Add attachments only shows when is made, not when making

So i post my question here because it didnt recieved any answers on Stackoverflow. Hello i have some difficulties, Let me see what i want to do with some pictures and code: I want to add some ...
1
vote
1answer
232 views

Identify tool (attribute pop-up)

I hope this isn't too basic of a question... I'm using ArcMap 10.1, and upon bringing in a feature class, the identify tool window shows the attributes in alphabetical order of the field headings. I ...
2
votes
0answers
133 views

Assign Sink ID to upstream features in a geometric network

Looking for a way to automatically assign an 8-character Sink ID to every upstream feature in a geometric network. There are over 500 sinks and about 5000 points and lines upstream from those sinks. ...
2
votes
1answer
851 views

Identify duplicate polygons to enable removal after reviewing attributes

I wish to label overlapping polygons so that I can manually locate each overlap then review the attributes of each overlapping polygon and decide which suite of attributes to maintain before ...
4
votes
2answers
2k views

How to collect data via WFS and Popup

I have a map with a WFS-Layer and I am able to add Polygons to my data stored in a PostGIS-database, served with Geoserver (Openlayers, Geoserver 2.1.4, PostGIS 2.0 for PostgreSQL 9.1).) How can I ...
6
votes
2answers
4k views

How do I change the data type in attribute table in QGIS

I have county data in which the FIPs (actually State FIPS and County FIPS combined). I have data imported as CSV with the sames FIPS data titled STCounty. However, the shapefile FIPS is listed as a ...
0
votes
1answer
1k views

How to Obtain the feature attributes from feature collection

I am able to obtain the features of the layer which is selected by the user in the Layers table and then intersected by a user defined polygon, using e.features. I was able to obtain the attribute ...
1
vote
1answer
66 views

stacked colours according attributes

I have a hierachical List of attributes e.g. column (1) S (2) SD (3) SD0 or (1) A (2) AN (3) An1 etc. So there is one S with several SD s and several SD0 in the attribute table. When I display column ...
5
votes
2answers
552 views

Importing attributes from Excel file into new Polygons

I have a constantly updated Excel file containing address information which I am currently copying into the attributes of new polygons which I am creating on a daily basis. I am currently doing this ...
7
votes
2answers
448 views

OpenLayers how to maintain layer ordering while using SelectFeature control

I'd like my map to display a few layers in a particular order. Some of these layers are Vectors, others are XYZs, and some of my Vector layers display attribution. Initial layer ordering works fine ...
3
votes
0answers
2k views

How to edit Attributes on WFS Layer through Popup?

I am working on a project for university. So far I have displayed WfsLayers which can be select from a panel, also I can click on my points whereupon a Popup will show up with some information which ...
1
vote
2answers
291 views

QGIS GPS position after entering attributes

I would like to be able to fill a form and, before, during or after, be able to cath a GPS point. I already know the GPS extension but I have to catch the point and enter attributes after... Idea how ...
2
votes
1answer
334 views

How to write XML attributes from feature with ArcView license?

I need to generate xml of attribute data of a feature, but I have only Arcview license so, I can't use Export XML tool. What are my options? What is wrong with this code (after applying search ...
3
votes
0answers
56 views

Are there any common field names for the FGDC street address standard fields?

I have been looking into implementing the FGDC street address data standards so that my address data is potentially consistent with other US data I obtain in the future. However, the FGDC ...
1
vote
3answers
460 views

Deleting columns from joined attribute table in QGIS

After joining the attribute tables from two layers, I have a lot of duplicate columns on my table, making it hard to read. However, even when in "edit" mode I am unable to select and delete columns. ...
3
votes
0answers
56 views

Passing attributes to neighbouring polygons

I have an ecosystem polygon layer that has been updated using a more recent tree cover layer (to remove cleared areas and also to re-align veg boundaries where growth has occured). Where the polygons ...
2
votes
3answers
907 views

openlayers attribute substitution failing on kml file

I'm trying to read in mile markers for a marathon from a .kml file and use the MILE attribute to set the label. My layer code looks like this: // add layer mile_markers_layer = new ...
10
votes
5answers
1k views

How to identify duplicate attributes in a field?

I have a point shapefile with thousand of points. It has an ID code field that supposed to be unique. Every now and then the data entry clerk wrongly type the id creating duplicates.Right now I'm ...
3
votes
1answer
522 views

Changing attribute data types using PyQGIS

OK, so I've already asked a question how to access attribute data types when developing plugin for QGIS, using PyQGIS. And one helpful member said i should use pendingFields() method on the current ...
6
votes
2answers
121 views

What event is fired when a feature is edited?

When the user draws a new feature (line, point, etc.) in ArcMap, there are null attributes. If the user enters values in these null fields what is the event that is fired? I want to control the ...
2
votes
2answers
1k views

How to access attribute data type in QGIS?

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 ...
0
votes
1answer
343 views

ArcGIS Server REST-Query Layer: only few attribute fileds are returned in response

a newbie question in using ArcGIS Server REST service: from ArcGIS Services Directory, I opened the page of one layer in a MapServer service, this layer has a long list of attributes/fields. however, ...
10
votes
2answers
815 views

How to compute a new attribute based on changes in another attribute?

I am attempting to classify a set of gps time-encoded point data into behaviors based on different attributes. I have created an attribute that is 0 for home and 1 for away based on location, and now ...
2
votes
2answers
342 views

ArcSDE: Specifying fields to not allow null values

I have a feature class in SDE that has various fields where the setting AllowNulls is set to FALSE. When creating a feature in ArcMap in this feature class it still allows nulls to be specified in ...
5
votes
1answer
813 views

Can I change properties of several layers simultaneously?

I'm working on bulk data. I have a few hundred GeoTIFF images imported into a QGIS project, and I'd like to modify their layer properties - things like the no-data-value, transparency of certain pixel ...
1
vote
1answer
524 views

Join attribute table

I am using QGIS 1.7.3 on Mac and when I try to use the tool "join" in the properties toolbox, I have no possibility to add a name for either the file or the field used to join tables. Has anyone ...
1
vote
1answer
1k views

To get FeatureInfo in OpenLayers

I am new to OpenLayers and I want to add OpenLayers.Control.WMSGetFeatureInfo to get feature info to website.But i can't figure out right method. I also see the source code of GeoServer OpenLayers ...
5
votes
3answers
1k views

FME: Join attributes in text file with attributes in SHAPE file

I have a SHAPE file with points and different attributes - one attribute MyID. I also have a plain text file with several attributes - each in a separated column: MyID MyValue 1 A 2 B 3 C ...
1
vote
0answers
90 views

How to maintain schema when copying feature from layer 1 to layer 2, where both layers have same schema?

If I load two unique layers, wherein each layer contains unique data, but both layers share the exact same schema, why is it when I copy a feature from layer 1, and paste it into layer 2, the ...
2
votes
1answer
1k views

FME: No attributes exported when writing to SHAPE file

Setup: I have some input data (SHAPE) which I use a Clipper transformer on. Depending on the result of the Clipper, I assign a value to an attribute. In the end I assign the two results/streams to a ...