The set of conventions, rules, or encoding systems that define how geographic features are represented with symbols on a map.

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3
votes
1answer
24 views

Symbology for different years

I have an attribute field which contains Date data. The data is broken down like "3/14/2016". I would like to have different symbology for different years. When I go into the symbology tab within the ...
0
votes
1answer
191 views

Symbolize Flow Direction on Line Feature in ArcGIS Online

I seems that ESRI has a serious limitation as it seems you can't symbolize the direction on water lines in ArcGIS Online. With server you can. From the reading on Esri forums this is a known ...
-2
votes
0answers
16 views

Adding topographic symbols to ArcGIS? [on hold]

Does somebody know how to add topographic symbols in ArcGIS?
4
votes
2answers
60 views

How to place only one symbol on the centroid of a multipart polygon?

I am using QGIS version 2.14.1 (Essen). I would like to place symbols on the centroids of my data. The problem is that some of my data has multi-part polygons, which means it places the symbol at the ...
4
votes
1answer
33 views

Is it better to use a single layer with symbol classes or multiple layers with definition queries?

I use symbology classes to display my data most of the time. I think I have noticed a performance hit when using symbol classes on large datasets, although it might just be in my mind. That got me to ...
2
votes
0answers
26 views

Changing QGIS Symbology

I'm trying to change the symbol from 'marker' to 'fill' in layer properties. Is it possible to change that so I can fill the entire property instead of having points for each property?
3
votes
1answer
34 views

How to create custom line symbol with text in it using ArcGIS?

I have some layers for which I have to use special symbology. Most of these symbols are lines (continous, dashed, dotted, etc.) but they have different text in them for example: ...
1
vote
0answers
10 views

Symbols not Rendering if more than 100 records

I have a link in the infowindow that displays all sale records in a particular area. The link work fine if there are less than 100 records. If there are more than 100 records then nothing happens ...
4
votes
0answers
26 views

Automatically style raster using unique values in QGIS?

In ArcMap, it is possible to automatically calculate the unique values for a raster and then apply a different style to each unique value (see 1st image). However, in QGIS, I have to manually add ...
4
votes
2answers
114 views

Double classification for symbols in QGIS

I am using QGIS version 2.14.1 (Essen). I have symbols that I have classified according to certain value from one of the columns in my shapefile. Furthermore, I was wondering if it is possible to do ...
4
votes
1answer
204 views

Can I automate the transfer of symbology information of a raster to a polygon feature?

I have a raster dataset that is symbolized using Natural Breaks (Jenks) classification (9 classes). To reduce file size for web service display and download, I used the Reclassify tool to remap pixel ...
4
votes
3answers
5k views

Importing SVG symbols into QGIS

I've downloaded the SVG icon pack here: https://www.mapbox.com/maki/ How do I import these symbols into QGIS? As far as I can tell I need an .XML defining each symbol. Also using the Import from ...
1
vote
0answers
19 views

QGIS individual symbol rotation

I've digitised some symbols in QGIS (2.14.1) as a new Shapefile point layer. I want the symbols to be rotated to different angles. I've worked out that I can have a data defined rotation field in my ...
3
votes
0answers
40 views

Changing colours in SVG symbol using QGIS?

I am using QGIS version 2.14.1 (Essen), and I have imported a traffic cone symbol in SVG format to represent some of my data. I was wondering if it was possible to change the color of this symbol ...
2
votes
0answers
23 views

How to set style for features within atlas feature

I have a vector layer with property parcels, and another vector layer separating them into regions. I have the regions layer controlling an atlas. I would like to have only the parcels within the ...
3
votes
0answers
22 views

QGIS crashes when selecting symbols

I am using QGIS version 2.14.1 (Essen). I can open it no problem and load shapefiles correctly. However, when I go in the file properties and select "style"/ "unique symbols", the system crashes and ...
1
vote
2answers
19 views

Symbology/points not showing on ArcGIS Online web map but data is present

I have a layer that has been symbolized in an ArcDesktop project. The project was saved and Shared As --> Publish Service up to our ArcGIS Online account. All layers and their symbology have ...
16
votes
3answers
4k views

Using ArcPy to get layer symbology?

Since ArcGIS 10 comes with ArcPy package, i'm wondering it is possible to use ArcPy functions to get Symbology (i.e color, width...) of a layer?
1
vote
1answer
52 views

Import PNG symbols in QGIS

I would like to upload some symbols into QGIS using version 2.14 (Essen). I would like to upload a PNG but it seems the only format available is XML. Do you know if its possible to upload PNG's ...
3
votes
1answer
43 views

How to display different SVG icon in the same layer in QGIS based on attribute value

Based on this question: How to display different SVG icon in the same layer in QGIS is it possible to add multiple svg files in qgis to the same layer automatically based on attribute value? I have a ...
0
votes
0answers
28 views

Feature symbols in the legend don't match those on my map?

I have edited the features on my map using the draw effects tool (colourize, glow etc). However, in Print Composer, the legend shows these feature symbols in their original form. How can I get them to ...
3
votes
1answer
28 views

Automate map symbology using varying input data in ArcGIS/arcpy?

I'd like to generate a series of maps, where each map displays graduated colors based on a different variable in the feature's attribute table. The geographic area is the same in each map. I'm using ...
0
votes
1answer
29 views

Render SVG symbols with MapServer on Windows

I am using MapServer in a windows machine in order to build a map with data from openstreetmap and OpenSeaMap. I want to style some elements in the map and I want to use SVG symbols for doing this. ...
3
votes
2answers
114 views

Changing polygon boundary thickness/color

How can I make the polygon boundaries of admin 1 thicker than thous admin 2? I. e. I want to make the province boundaries thicker than its district boundaries.
1
vote
2answers
237 views

Accessing advanced symbol levels with python in ArcMap

Does anyone know if it is possible to access the symbolgy levels in ArcGIS10 with python? I have a layer "temp" that I print to a pdf. The symbology is printed correctly but is drawn in the wrong ...
0
votes
0answers
53 views

Tile server and postgis db with OpenSeaMap data, how to render icons?

I am trying to build a tile server in a windows machine with the OpenSeaMap data. I set up my postgresql database and populated with the world.osm data (OpenSeaMap data) and the water polygons. I ...
1
vote
0answers
33 views

Creating/modifying arrowhead symbology to create a 'pie' style symbol around a point

I have a point dataset that has 18 (2 categories of 9) variables that need to be symbolized. We want to symbolize each variable using an arrowhead symbol or some kind of triangular symbol that, by ...
3
votes
1answer
179 views

OpenLayers.Renderer.Symbols custom named by function

Is there any approach to define custom OpenLayers.Renderer.symbol by a function? For example, instead of making a symbol for each 3-pointed, 4-pointed, 5-pointed etc. star ...
2
votes
2answers
351 views

Mapserver WMS, features clipped and positioned

How can I prevent features being clipped at tile boundaries in an WMS layer as per the picture The arrow and line segments are being clipped when viewed in openlayers as a WMS layer. The map file ...
1
vote
0answers
72 views

How to share styles between layers in QGIS

Is it possible to share one style between different layers in QGIS? Now if I apply the same style from *.qml or use the same style from Style Manager for different layers then in *.qgs project file ...
0
votes
1answer
965 views

Changing color of symbol in UniqueValuesSymbology object using ArcPy?

I have an template mxd I reference with several pre-defined layers. The only variable I need to modify is the color of certain symbols in the layer. I have tried to modify and dig around the Symbology ...
3
votes
1answer
91 views

QGIS 2.10- symbology - Using BOTH size and colour to represent 2 pieces of information on single point

I want the colour of the point to represent value from data column x (eg. rating from 1-5) and SIMULTANEOUSLY the size of the point to represent value from data column y (eg. Number of ratings ...
3
votes
1answer
50 views

Right angled triangle symbol ArcMap

Does anyone knows if there is a Right angled triangle symbol into ArcMap standard symbology? I've found only isosceles triangles.
1
vote
1answer
70 views

Symbolizing OSM rail lines in QGIS

I am struggling to come up with a proper layer style for a rail network extracted from OSM in QGIS. I just want active rail so I choose the "rail" tagged features (rule-based rendering). But since ...
1
vote
0answers
17 views

setting a PictureFillSymbol via ArcObjects not wanted/allowed?

Have a problem in setting a PictureFillSymbol in polygon-layer-properties via ArcObjects. I just create the Bitmap not from file, it is "painted" in runtime. After loading the layer and setting the ...
5
votes
1answer
146 views

Representing data on thematic map in only two colors in qgis

I am very new to qgis, and i am doing a project on representing child immunization on thematic maps. I want to represent the data which is even number in one color and odd number data in another ...
1
vote
1answer
33 views

How can I create a pie chart of species recorded so that the colours match the symbology of the GPS points displayed in my map?

I have created a map in ArcMap 10.3 showing the locations of bat sightings in a borough in London, the symbology set to show the different bat species recorded. I want to have a pie chart as an insert ...
1
vote
1answer
23 views

ArcMap arrow symbol for point: how to make the arrow end starts from the point instead of sitting in the middle of point?

I am trying to use arrows to display points. The arcmap worked nicely to rotate arrow according to the angle field (layer property/symbology/advanced/rotation), however the middle of the arrow sit on ...
2
votes
1answer
34 views

Why is ArcMap reverting 4-band raster settings?

ArcMap keeps redrawing my 4 band false colour image in standard 3 colour bands. As you can see below I have my 4 band data set to auto display as (4,1,2 - infrared, red, green). When I bring in an ...
5
votes
2answers
645 views

Auto-updating symbology between *.mxds for same shapefile using arcgisscripting?

I have a variety of .mxds for any one project I'm working on, which are all different but all use the same set of base shapefiles for my project. I know I can save a .lyr version of my initial ...
5
votes
2answers
448 views

Symbolizing individual highway network segments in ArcMap

I have a highway layer that I need to style in ArcMap in such a way to differentiate between individual highway sections, ideally using no more than 6-7 distinct colors. Each highway is divided into ...
0
votes
0answers
25 views

Importing Map Styles in ArcMap?

I recently found some information on exporting map styles in arcmap and I used this to save some specific symbology that I will need to reuse many times. However, I can't find any documentation or ...
0
votes
1answer
184 views

Styles in WMTS layers

Served through GeoServer 2.4.1. This behavior has been observed trying to view the layer both through OpenLayers and in QGIS. I can display multiple styles on the same layer using WMS, but only get ...
2
votes
1answer
271 views

Graduated symbols drawing order not displayed correctly

When I use graduated symbols for a polygon layer to display population density, the layer is always displayed on top of all the other layers even if I dragged it to the bottom of the Table of ...
1
vote
0answers
18 views

Symbols changed in conversion from QGIS to Webmap

When I convert a map in QGIS to a webmap, the symbols are changed--the size is ok, but all the specific symbols-- stars, diamonds, etc.--are converted to circles. Does anyone have suggestions on how I ...
0
votes
1answer
38 views

stylizing/symbolize openlayers based off GML

I am completely new to OpenLayers. I created a GML using QGIS and would like to call data from it. It isn't stylized (specific icons per attribute). I would like to stylize/symbolize the data using ...
2
votes
1answer
577 views

How do I change graduated color class values with python?

I am trying to use python to adjust my graduated color symbols' class breaks and labels. The layer is a query layer tied to an SQL DB and I want to be able to execute my python (after the database has ...
4
votes
1answer
68 views

How to match symbology between two layers

I have two point layers: one shows the number of people in a county, the other shows the number of people who receive a particular service in that county. I am symbolizing them both as "proportional ...
1
vote
1answer
20 views

Categorize on difference between max and min value for features with same attribute

I have a points layer. Some points have the same value in FIELD_1. I want to give different colors (value in FIELD_3) for different sizes of ranges of values in field FIELD_2 among points with same ...
3
votes
1answer
188 views

Set picture marker symbol for a layer with arcpy (ArcGIS)

I have an ArcGIS map document with one layer symbolized with Categories > Unique values. I want to update symbology for this layer by specifying a path to a picture marker symbol for every unique ...