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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1answer
96 views

Change attributes values?

i want to change attributes values in a memory layer. I already asked a similar question but i'm re-stuck on the problem and don't find any solution to this basic need. Here is what i'm doing so far ...
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1answer
31 views

Multiple attributes - is it possible to do variation by shape?

I am making a map of winter coat color for several species. I have two fields: species name and winter coat color. The latter can be either white or brown, and I would like to code, say, brown winter ...
0
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1answer
52 views

How to subset data for whole county to just portion in particular city using ArcGIS for Desktop?

I have a shapefile of all of Riverside County. It includes parcels with and without site addresses. I do not have a city limits shapefile. How can I locate the boundary of the city that I need to ...
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1answer
48 views

Capitalizing The First Letter Of Each Word In Attribute Field QGIS

I have tried capitalizing the first letter of each string in my field/column called "COMMUNITY" by referencing this post: Capitalizing The First Letter Of Each Word In Attribute Field Particularly: ...
6
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4answers
661 views

Create interactive maps in R

I am a R user and quite new in GIS. From Adding Attribute data to shapefile? I know how to add/edit attribute data (say population) to shapefile using R. Now, I have some shapefiles with attribute ...
1
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0answers
16 views

Number a subset of entries based on current sorting

Is there a way to number a subset of entries in the attribute table based on the current sorting in Qgis? e.g. select all entries with attribute X, sort them by abttribute Y, create a new column and ...
0
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0answers
28 views

Annotation Conversion from into .shp file with appropriate Fonts Format in attribute table

My Drawing file (.dwg file) is contained with Annotation with Gujarati Text in many type of fonts(eg. Gujarati Saral, Nilkanth, Shruti...). After Conversion of Annotation to .shp file, Attributes are ...
3
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1answer
99 views

Calculate new field from existing fields using expression in gdal/ogr and append to shapefile

I'm trying to calculate a new field from existing fields based on a simple expression for a set of polygons in GDAL/OGR. The expression is basically: new field = (field 1 / field 2) * field 3 ...
2
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0answers
29 views

Clip raster to new column in feature? [closed]

I'm trying to clip a raster using a feature set. I'd like to then have a new value added to a column in attribute table of the feature set based on the majority of the pixels in the raster. In this ...
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 ...
3
votes
1answer
75 views

QGIS 2.10.1 Copy and Paste Problem - Attributes not showing

I have two shp layers with different numbers of fields and slightly different attributes of those field, like the column name or field length. I arranged them so they are in the same order and now ...
1
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0answers
65 views

Attributing polygon features with names of polylines they contain using ArcGIS for Desktop? [closed]

I have a few thousand polylines that represent streams and each of the streams has a corresponding watershed polygon. Streams have "Stream Name" attribute. I needed to attribute polygons (watersheds) ...
1
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1answer
61 views

Transfering raster attributes to a shapefile

I am using Arc GIS 10.2. I have a raster layer and a shapefile layer. I would like to transfer the attributes of the raster layer to the shapefile layer using a majority rule. The raster layer is a ...
1
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1answer
22 views

Creating layer where more attributes are presented

I would like to create a layer in ArcGIS containing polylines, that are rendered by combination of more than one attribute. I can create layer where the polylines are of different thickness or ...
1
vote
1answer
52 views

QGIS information by clicking on a point?

How is it possible to open a window by clicking on a point of a point shapefile? This window should display particular attributes of the attribute table and, if somehow possible, geotagged photos. Is ...
2
votes
1answer
100 views

Is there are way to import non-geo JSON files into QGIS?

Here is a json file containing various attributes relating to countries. However, it does not contain any geographic data. http://bost.ocks.org/mike/nations/nations.json I would like to join these ...
1
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1answer
258 views

How do I show only the selected features from an attribute table on a layer?

One of the layers has around 5000 attribute entries, based on a CSV file of species records. All the features are of course shown on the map layer. How can I select a specific class of features so ...
2
votes
1answer
36 views

QGIS: How to scale attributes when clipping / intersecting

I'm working on a project involving a ratio of frequent travellers / population divided in Forward Sortation Areas from Canada Post (FSAs are the first three characters of a postal code: A1A). I ...
1
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1answer
137 views

ArcGIS Operations Dashboard: Is there a way to create a widget which counts the occurrence of a text attribute?

I am using Operations Dashboard of ArcGIS and I would like to add a widget which count the occurrence of a text value "DAMAGED" in a field ("STATE"). I only found the way to access numeric attributes, ...
0
votes
1answer
33 views

Assigning attribute values to map of city based on location picked? [closed]

I have a city map in arc GIS, with each parcel having it's own parcel number as an attribute in addition to other attributes. I need to create a second layer of the same map and add data to it based ...
1
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1answer
85 views

How to get features by attribute using PyQgis?

How can I get a feature's geometry from selection by attribute. For instance from a point layer I want to get the geometry by the field CODICE filter (CODICE = A001). I tried with: layer = ...
0
votes
2answers
21 views

Editing imported attributes in ArcGIS for Desktop?

I have finally completed my first ArcGIS-task, creating a shapefile containing poligons which mark designated spaces as well as installed facilities. The more than 450 facilities have a whole lot of ...
2
votes
1answer
44 views

(openlayers) Adding styled polygons from predefined toolbar?

I'm looking for a solution where I could easily add differently styled polygons to a map? Styles should be as "options" so that user can select e.g. blue or yellow polygon. What different options ...
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1answer
44 views

Out of three different fields find the nearest value of X

I have 4 Fields. FFE, year10, year50, year100 I created a 5th field and labeled it - CP I need help writing a python script in field calculator to fill the column CP with whatever FFE is closest to ...
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1answer
97 views

Cut line with polygons?

How do I cut a single line with polygons (in several segments) so that each cut line take data from the polygons? Something like a centroid takes.
1
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1answer
149 views

Group attribute tables values for use with conditionals - Python

I would like to group values in a field in an attribute table. The field contains duplicate values. These duplicate values should be grouped based on duplicate values, the field would look something ...
1
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1answer
36 views

Using PostGIS Intersection to carry fields from input layers into output layer

I'm having trouble carrying over the attributes from the input layers in my PostGIS intersection below: CREATE TABLE intersection_output AS (SELECT ST_Intersection(a.the_geom, b.the_geom) FROM ...
0
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1answer
61 views

How to get FID recognised by GeoServer?

I'm trying to load a shapefile into a GeoServer that has a style defined which makes use of the FID attribute: <PolygonSymbolizer> <Fill> <CssParameter ...
0
votes
1answer
52 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
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1answer
62 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
70 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
42 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
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0answers
63 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
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1answer
347 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
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0answers
64 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
98 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
65 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
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1answer
55 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
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0answers
25 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
18 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
180 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
68 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", ...
1
vote
0answers
36 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
287 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 ...
3
votes
1answer
252 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
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1answer
164 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
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3answers
179 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. I need to dissolve a polyline vector in a single line vector that has as attribute the ...
0
votes
0answers
98 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
968 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
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1answer
57 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 ...