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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0
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1answer
20 views

ArcGIS Server JavaScript: copy attribute from feature snapped to

I have an application that allows the user to add a point (in this case, pipe breaks) and snap to a line (water main). I have been asked to pre-populate one of the attributes in the point feature ...
1
vote
0answers
29 views

Use multiple double attributes to symbolize a line shape in ArcGIS

I need to represent multiple attributes to a line shape. The attribute table already have the fields I need to represent. One of the attributes is the total number of commuters between cities; this ...
1
vote
1answer
21 views

Unable to update some of the attributes using PyQGIS

I'm trying to create new attribute and populate it, but for unknown reason some of the features does not update while others are updated normally. # scores - list of values which length is equal to ...
0
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0answers
18 views

How to load data from a CSV file into ArcGIS Pro?

I'm very new to GIS mapping and I have some polygons loaded into ArcGIS Pro. I need to associate some data that is currently stored in Excel with each polygon e.g. population density, average rent. I ...
0
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0answers
19 views

Selecting all cells not containing a number in SQL

I have a field containing some values. In edit mode, when I click on any one of these values it gets replaced by 1.#QNAN in the cell. I would like to query the table for all cells containing ...
1
vote
1answer
272 views

Showing attributes of multiple parcels on one layout using DDP with dynamic text?

I am using ArcGIS 10.1 for making maps showing the distribution of parcels and their attributes in a given area. I am working with anywhere from 20 to 50 parcels in a set, sometimes more. I often use ...
3
votes
1answer
22 views

Label can't access added attribute

I have a layer that gets created with a couple of attributes, one of which is NAME. Then I create a LabelLayer and add a feature layer like so: layerLabel.addFeatureLayer(layerDisplay, rendererLbl, ...
0
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0answers
23 views

joining attributes for .img files in erdas

I have numerous .img files of the same region and spatial resolution. In Imagine I would like to join all the attributes together into one .img that I may import into r for model predictions. Not ...
0
votes
2answers
355 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 ...
0
votes
1answer
30 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 ...
1
vote
0answers
16 views

GeoTools How to add attribute to a schema in DataStore

As you know, you can create a schema in a DataStore. For example, you may create a table in a postgresql database like this: SimpleFeatureType schema = ...;// some schema DataStore dataStore = ...
1
vote
1answer
404 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 ...
4
votes
1answer
92 views

Creating shapefiles using textfiles in QGIS

I have a shapefile in QGIS which has polygons in it . There are several other attributes for each feature . I want to add another attribute to each feature . The value for this attribute is available ...
1
vote
1answer
28 views

How to store multi-valued attributes in PostGis using Postgresql [closed]

I have a with meterid,meterreading,reader and date read.I wish to store this data using Postgis database. I used this code via postgresql to create the table CREATE TABLE MeterRdg( meterid ...
1
vote
2answers
85 views

Processing modeler: how to dissolve a vector layer and sum the attributes

I have a complex workflow prepared in the processing modeler, but I'm missing one step to link all the model. As said, I need to dissolve a polyline vector in a single line vector that has as ...
1
vote
1answer
48 views

Python for select by attribute then remove from current selection

I have a table called"July_join". Within this table I have many attributes or columns. I want first to select every thing under "grade" column that has values of 90, then remove from this selection ...
1
vote
1answer
34 views

QGIS script doesn't commit attribute changes

I have a script to generate random points within a polygon, and to give the points the attributes of their host polygon. It generates points, but for some reason it won't commit the changes to the ...
0
votes
1answer
16 views

Sub-Shapefile Attribute Ineritance

I have two shapefiles: a shapefile of plant communities: each polygon there covers a wide swath of land and names the plant community there. I also have another shapefile that identifies a bunch of ...
1
vote
0answers
14 views

Missing XML Attributes in Geoserver

I've imported a number of files that used to be in KML format into geoserver after putting everything into a PostGIS table. Now I would like to use CSS style information that was associated with the ...
2
votes
0answers
36 views

Creating new empty vector layer that has same set of atributes as another layer and then copying subset of features into it

I am new to both Python and QGIS. Here's a sample of my code: unique = layer.uniqueValues(index) attributes = layer..dataProvider().fields().toList() assistant_layer = QgsVectorLayer("Point", ...
0
votes
2answers
38 views

Changing sequence of point features into order along line using ArcPy?

The picture below shows that the order of attribute record for point features is different to their actually distributed location. How can I change or sort the attribute records into a proper order ...
16
votes
2answers
10k views

How to rename attributes/fields in a shapefile attribute table?

I would like to rename some fields in my attribute table: Like rename XRF_N3in something else. It seems quite a easy issue but I don't find any information about how can I do that... I've QGIS 1.8 ...
5
votes
5answers
652 views

How to create a label formatted like “ 1,000' ” from a numeric field?

This question builds on a previous question I came across at gis.stackexchange: How to easily edit attribute data using Regular Expressions? Perhaps someone can point me in the right direction? I ...
2
votes
2answers
3k 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
0answers
16 views

Iteratively Change Object's Instance Attributes PyQGIS

I am trying to create new instance attributes (NOT feature attributes) for a collection of features in a vector layer in PyQGIS. I'm getting some weird results and am wondering if this is even ...
7
votes
3answers
261 views

Zoom from one feature to another in edit mode?

I have to manually edit a shapefile of a couple of hundred points. I would like a quick way to jump from one point to the next in both the attribute sense and the visual/spatial sense i.e I would ...
1
vote
1answer
39 views

Copying attributes from point layer to memory linestring layer PYQGIS

I've stacked a little bit with copying attributes. I have a Point Layer created from .csv file. For each feature in this layer, I'm creating a new Polyline geometry in memory layer. Cannot add ...
1
vote
1answer
33 views

How to style a vector layer in QGIS using hexadecimal color code stored in attribute?

I have a polygon shapefile storing hexadecimal color codes in a specific attribute. gid | label | color ---------+-----------+------------ 1 | Crops | #FF5F2C 2 | Forest ...
2
votes
1answer
94 views

How to plot certain values of a column in R?

Lets say we have a shapefile of cities with a column called category cities@data category A B A C A A B C How can i plot the A category only etc? Tried c<-cities$category[A] ...
0
votes
0answers
46 views

Joining two features (points) with same position but different attribute using ArcGIS for Desktop?

As shown in the figure below, these two points are in the same position but with different attributes. (TextString). I am wanting to join these two points together but with different attribute in ...
0
votes
1answer
16 views

Assigning an NTA code to a point feature class from a polygon feature class

I have a point feature class and a polygon feature class (NTA - Neighborhood Tabulation Areas). I want to assign each record in the point feature class an NTA that it falls into. Also, neither of ...
2
votes
1answer
38 views

QGIS updated polygon areas

I'm using QGIS 2.6 and regularly update a shapefile layer to indicate felling progress. However, if I edit the nodes of a polygon, save the layer out then look at the Attributes table the area shown ...
0
votes
1answer
62 views

Editing attribute tables in ArcMap

I have a point shapefile with several fields. Among these fields is a comment field. I would like to be able to zoom into each point and add a comment into this field in real time without having to ...
1
vote
1answer
34 views

QGIS Attribution and Geometry Query Question

I am trying to use select by expression to query lines that contain certain attributes and that there geomerty touch. In other words are connected or neighbor each other. I tried a query such as ...
1
vote
1answer
179 views

Check Personal Geodatabase attribute against external MySQL database?

I have a Personal Geodatabase to which editors enter values from some field inputs. I would like some of the entries, eg Project No ( whose name is unique and has some some related attributes like ...
3
votes
1answer
449 views

Sorting/unsorting fields displayed in Identify window of ArcMap?

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 didn't try to do this and haven't touched ...
1
vote
1answer
31 views

How to easily change/edit existing field datatype in shapefiles? [closed]

I am editing attribute tables of multiple shapefiles for a future project. I need the field data types to be very specific and uniform among all the shapefiles. I am running into the problem that the ...
-1
votes
1answer
39 views

Feature Attribute Count Script

Using an arcpy script how do I get the feature attribute count per feature class in a fileGDB? Ideally I would like to output to a spreadsheet, with the feature class name in one column and the ...
11
votes
5answers
3k 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 ...
0
votes
0answers
24 views

Change display text for hyperlink in attribute field in ArcMap?

I have an attribute field that I would like to be able to click the title of a document and it would open the document. But I do not want the field to display "C:/path/file1.pdf", I would just like it ...
4
votes
2answers
49 views

QGIS create a line graph with attributes value on a section through the map

I wonder if I can make cross sections of GIS data (other than height). An example: I have a shapefile of a city with building plots and attribute values of the plot size. I want to choose a random ...
0
votes
1answer
43 views

Generate Service Area Polygons with Field(s) Added

Does anyone know of a way to generate service area polygons which, when created, maintain a field from the feature class from which the polygons are generated? For example, if I am generating a ...
1
vote
1answer
61 views

Automatically changing the angle of a symbol in QGIS?

I am working with an iron age cemetery in QGIS. I marked every grave in a point layer with several columns; amongst others, burial rite (inhumation, cremation etc.). I inserted a second column for the ...
1
vote
0answers
42 views

PyQgis - Adding attributes to a POSTGIS layer

After reading @underdark's answer to this question on creating a new vector layer and @Matthias Kuhn's to this one on field calculation, I wrote a script that allows me to calcultate the mean ...
1
vote
1answer
65 views

ArcGIS how to capture attribute data from another layer

I have an arc layer with points and another with lines. The points exist along the lines (as stations). Both layers have an attribute for LineName. How do I pass the specific line name data to the ...
1
vote
2answers
59 views

Combine multiple records into one based on ID

I have a table that has the building width for each side and I want to combine them together in GIS. I have attached an example in which I have 4 rows for one building, and I want only one row per ...
0
votes
0answers
22 views

AutoCAD to GIS Standards for Easy Import

Trying to setup an AutoCAD Template that will be easy to import into Arc geodatabase. What is the best way to assign attribute data to cad features without using blocks? Is there a way I can setup a ...
0
votes
1answer
62 views

Compare Multiple attributes visually

I am working on a project in which I want to take point features( tweets) and compare them to the GDP per capita of countries. I would like to have my end result be such as the following: GDP Class ...
0
votes
1answer
22 views

Double Entries/ Errors with Digitizing Polygons

I have a layer that has errors, i mean polygons have double entries (digitized twice), i can edit manually but there's a lot of attributes and it will take ages to clean the data. Is there any short ...
0
votes
0answers
21 views

Adding values from a text file to a gridded area on my map [duplicate]

I have a .txt file with comma seperated values. Each individual value corresponds to a cell in my grid. The first value in the .txt file corresponds to the cell in the first column and first row of my ...