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

learn more… | top users | synonyms

0
votes
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
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
votes
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
votes
0answers
20 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 ...
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, ...
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 = ...
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
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 ...
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
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 ...
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
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 ...
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 ...
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 ...
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
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 ...
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 ...
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
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 ...
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
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 ...
-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 ...
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 ...
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
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 ...
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 ...
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
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 ...
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
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 ...
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 ...
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 ...
1
vote
1answer
54 views

Adding data from a table to a grid in ArcGIS

I have a table with 720 rows and 156 columns. I have a grid with 720 rows and 156 columns. I would like to assign the values from the table to the corresponding values in the grid. I am a beginner to ...
4
votes
1answer
81 views

How to add an attribute with QGIS 2.8.1 Python console?

i would like to add an attribute with the python console: from PyQt4.QtCore import * from PyQt4.QtGui import * layer = iface.addVectorLayer("C:/donnees_SIG/05.shp","nou","ogr") layer = ...
1
vote
1answer
80 views

How to split attributes using FME

I am trying to split an attribute into its component pieces with FME. Ex: 1707 WILLINGTON ST, PHILADELPHIA PA 19121 into: 1707 WILLINGTON ST, PHILADELPHIA, PA, and 19121 I am using the ...
0
votes
0answers
46 views

Is there a way to copy attributes from a point layer in an overlaying polygon layer? in arcGIS10

I'm working with an agricultural experimental setup of 450 areas. Each area is represented of a Polygon in ArcGIS and additional with a point Layer. I determined the specific ID for each point but I ...
0
votes
0answers
31 views

Checking if Terrain Model has pyramids or data sources using ArcPy/Python?

I asked this question in the Esri forums and got nothing but a lesson on LAS point cloud classifications—not even remotely what I had asked. I’m hoping someone here can point me in the right ...
-1
votes
1answer
21 views

Converting start/end easting/northings to a single point for visualisation

I have eastings and northings for the start and end of 5m sections of the UK railway network. I want to convert these points to a central point between the start and end so I can visualise the ...
-2
votes
1answer
48 views

How to get all feature and attribute list from OpenStreetMap? [closed]

I want to get the list of all features their attribute list for my application from OpenStreetMap. Where can I get that?
0
votes
1answer
69 views

How to get arcpy to access attributes of a geometry?

As a novice python programmer I am struggling mightily with my code. What it is supposed to do is Buffer a bunch of points with four distances (100, 200, 300, 400meters) Calculate zonal sum for ...
1
vote
2answers
49 views

What is the strategy to add attributes to shapefile when the number of records are not the same?

I'm trying to add attributes (in excel format) to an existing shapefile using ArcGIS, but the number of records between the two are not the same; there are some records in one file but not in the ...
2
votes
1answer
65 views

Finding diameter of pipes on either side of valves using ArcGIS Desktop?

I'm using ArcGIS desktop 10.2 and I need to find the diameter of pipes which are either side of a particular valve. There are over 2000 of these valves on my map so I'll need some sort of tool. The ...
0
votes
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 ...