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

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20 views

Advanced Cartography of a line feature [duplicate]

I'm attempting to duplicate the maroon boundary line. I've used offsets in the line symbol editing but can't seem to achieve the smooth blend you see the picture. I've tried using multiple layers of ...
1
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1answer
37 views

How to fix symbols of layers when I copy .mxd to another pc?

I've created a personal geodatabase with feature classes and I specified symbols for them in an mxd project. I activated "store relative pathnames to data sources" in the Map Document Properties. When ...
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2answers
198 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 ...
6
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2answers
547 views

How to symbolize features with NULL values in graduated symbology?

I have a polygon feature dataset, and an attribute from a different table that I join (one-to-one) within QGIS in order to symbolise the attributes as a choropleth map. However, not all polygon fields ...
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0answers
21 views

Automatic Dynamic symbology or Attribute driven symbology? [on hold]

I have looked for a while now on this issue! There seems to be multiple leads dating back over eight years! ...
7
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6answers
6k views

Manually classifying graduated data outside of range in ArcGIS for Desktop?

I have two shapefiles representing grids with values that are symbolized with graduated colors, shown below: You can see that the two shapefiles encompass similar ranges of data, but assign ...
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3answers
122 views

How to create one shape file with categories?

In my QGIS 2.12.3 I want to create shape files of different lakes. I know how to do it one by one and this way, each lake gets a different color. But it should also be possible to create one ...
0
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1answer
9 views

How to use attribute as image name with the SYMBOL keyword?

I have a set of PNG images contained in a server folder that I wish to use as point symbols. The symbol should be defined by the attribute symb_name. So in my MAP file, I'd like to do something like ...
4
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1answer
46 views

Changing class breaks in ArcGIS without resetting whole symbology?

For the purposes of this map, I have a raster with very specific class breaks with custom colors for each class. Sometimes for various reasons the class breaks have to be adjusted slightly based on ...
4
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2answers
109 views

Oil and gas well symbology for geoserver

I need to symbolise an oil and gas well dataset in geoserver. I have the dataset symbolised in ArcMap using the standard esri well symbols. Is there an easy way to convert this esri layer file into ...
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0answers
833 views

Using ArcPy, is there a way to change the color of a symbol in a UniqueValuesSymbology object?

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 ...
2
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1answer
23 views

Set label font size for layer via Python

I have some ArcMap addin that creates new layer and add it into table of content. I need to set up labels for that layer. I have made some script for labeling layer: mxd = ...
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0answers
22 views

Create symbology for new layer using Python (arcpy.mapping)

I have some ArcMap addin that creates new layer and add it into table of content. I need to set up a symbology for the newly created layer based on the attribute table (three differnet values > three ...
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1answer
4k views

Automating importing of symbology into feature classes in ArcMap? [closed]

I'm using ArcMap 10. I'm importing several shp files with the same schema using the FeatureClassToGeodatabase tool in Arcpy and during the process I would also like to apply some standard symbology ...
0
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1answer
21 views

Hatching over simple fill in ArcGIS 10.3

I have a polygon layer that is symbolized into four categories. Two of these categories are above a threshold limit and two are below. I would like to further distinguish the two categories above the ...
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0answers
16 views

Can GML contain symbology?

I know that KML can contain symbology in it. I understand that GML is the open version of it. Can GML contain symbology too?
3
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1answer
160 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
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1answer
241 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 ...
10
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1answer
3k views

Is there a line symbology that also shows vertices?

Is there such a thing as a line/vertices symbology? If not a workaround? In some situations, particularly when editing, I would like to see my lines as well as all the vertices similar to the effect I ...
1
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1answer
31 views

QGIS symbology: where are simple markers located in the system?

I would like to know, where are simple svg-markers (for example the one that is defined as "regular_star" in .qml file) are physically located in the system? I searched the system and looked inside ...
0
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1answer
48 views

rotate point along line layer

I have two layers: point and line (postgis or shp) The line layer represent a hiking trail. The point layer the mountain passes. The points are exactly on the same position like the node of the line. ...
1
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1answer
480 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
3answers
700 views

OpenLayers Combines Rules and StyleMap/SelectFeature?

I'm using GeoServer, OpenLayers and WFS features. For one layer, I managed to set either rules to display according to a field or SelectFeature with a styleMap to highlight features when the mouse is ...
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2answers
36 views

ApplySymbologyFromLayer_management Overwrites Graduated-Color Class Break

My goal is to generate any number of MXD files with custom class-break-values using a consistent, pre-defined style. For example, in ArcMap (10.2.2 and 10.3.1), I have an MXD with a graduated-color ...
2
votes
1answer
30 views

Is it possible to change the default “symbol template” for layers added to QGIS?

Can QGIS be configured so that the fill symbols of layers added to the map automatically have a transparent border? I'm calling it a "symbol template" because I don't know what that's called in ...
2
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0answers
86 views

Graduated symbols not appearing for all polygons

I'm using ArcGIS 10.2.2. Trying to map some city populations using graduated symbols. Should be simple, but while most of the polygons are being assigned symbols, some aren't. For example, in the ...
2
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3answers
360 views

How to Exclude Null or Zero Values from Graduated Colors Classification? ArcGIS 10.3

I have a layer that is classified using graduated colors. I have set it to a manual classification with 7 levels. My 1st value of 0 is not needed anymore. How do I remove the 1st level of ...
2
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2answers
297 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 ...
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2answers
23 views

Proportional symbols for data with wide range

I have point shapefile with 15 points whose attribute for symbol ranges from 2000 to over a million. There are 3 points with over 1mil while the other 12 points are all in thousands. I want the size ...
0
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1answer
31 views

Changing default point symbol?

I am trying to change the default point layer symbol to a set one. For example I have a fire hydrant point layer that is represented by a default point symbol when I import it into my map. Is there ...
2
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0answers
12 views

Using pictures (JPEG) from web as symbol in MapServer 7 mapfile?

Is it possible to configure the mapfile so, that it shows for every point on the map a different picture from the web recognized by an id?
3
votes
1answer
63 views

Is there a point symbol for ArcMap that looks like the Google Maps Marker Symbol?

Is there a symbol available through ArcMap (I'm using 10.3.1) that looks somewhat like the Google Maps marker symbol? We have a webmap that was created using Google Maps Engine and apparently we have ...
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0answers
21 views

Export Symbolised Point Feature to Text File in ArcGIS

Is there a way to save symbols of a feature class from Arc Map as XML or text file format? I know one can set up representations on a feature class in a Geoodatabase and Export XML Workspace, but I ...
3
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3answers
2k views

Converting ArcGIS 10 styles to version 9.3?

I have a style file (*.style) generated in ArcGIS 10.0. I need to use symbols from this file on machine with ArcGIS 9.3. Is there some way to convert style file from format 10.0 to 9.3?
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0answers
29 views

Override color in symbology

I'm using ArcMap 10.3.1 and I've read Using multiple attributes feature for symbology in ArcMap? but I think it does not apply to what I'm trying to do. I want to represent lines in the following ...
6
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2answers
11k views

Using multiple attributes feature for symbology in ArcMap?

I am trying to make a map using US census data showing vacant housing to total housing on the same map. I came across the "multiple attributes" feature under the symbology tab and wondered if this ...
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0answers
20 views

Why is my large DDP document losing symbology in later pages of PDF export?

The map document is 77 pages long and it seems that later pages are losing some symbols for features. The scale isn't changing, so it is not an issue of scale based displays. Any thoughts?
4
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2answers
2k views

Quickly getting all symbols for feature layer with ArcObjects?

I have a FeatureLayer and I want to enumerate all the symbols used in it. Simple way - it is to call SymbolByFeature for each features. Something approximately likes: Dim l as IFeatureLayer Dim c as ...
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0answers
41 views

Arrows with direction and proportional to attribute

my data looks like this: > main end.station start.staion Freq end.latitude end.longitude end.station 1 359 519 929 40.75510 -73.97499 E 47 St &\nPark Av 2 ...
3
votes
1answer
44 views

Rotate symbols perpendicular to line angle (QGIS)

I have lines representing curving streams and want to angle symbols at various points on the streams so that they are perpendicular to the angle in their particular locations. What QGIS seems to do ...
2
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0answers
16 views

Graduated symbol class error from QGIS?

For QGIS 2.10.1 Pisa, Win8 I am attempting to plot my data (about 50 points, imported csv, converted to shape file); as graduated by size, divided by natural breaks, 8 classes, link class ...
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1answer
24 views

how do I change label color depending on feature intersection in qgis?

I have two polygon layers. Layer 1 is the coverage layer for an atlas. I would like the color of labels for layer 2 to change based on whether or not the feature overlaps with the current atlas ...
4
votes
1answer
502 views

Performance of Picture Marker Vs Character Marker (font)?

We have a point data type to symbolise. The feature classes can often contain more than 6000 points up to 20000. There are about 30 different symbol catergories to these points. My question is ...
1
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1answer
40 views

Using Symbols from Feature Layer for Graphics Layer in ArcGIS API for JavaScript?

I have a feature layer being drawn from a map service. I have a graphics layer that is the result of a query (happens to be on the same feature layer). I wish to apply the same symbols from the ...
2
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1answer
18 views

Symbology Method. “Size” not showing up in “Method”, QGIS 2.10.1

QGIS 2.10 is supposed to be able to allow you to use size instead of color for a gradient method, as seen here: http://anitagraser.com/2015/06/21/qgis-2-10-symbology-feature-preview/. However, I get ...
2
votes
1answer
27 views

QGIS, displaying attribute values over geographies

Is there a way to use graduated symbols that display a value off the attribute table? For example, I have a map of Vermont towns, and I would like to have an industry code floating above each town (I ...
12
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1answer
3k views

How to create desire lines in QGIS?

How can I show the flow coming from an Origin-Destination matrix as desire lines? I need a result like the one in the picture below. I need to scale them proportionally to its value (coming from a ...
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0answers
20 views

QGIS: layer scale visibility

I need to display a line-type layer differently according to scale. Do I necessarily have to use a rule-based representation and make several different rules (one per scale interval) or is it possible ...
5
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1answer
1k views

Combining text and circular background marker with ArcGIS API for Javascript?

I see that it is possible to create a circular symbol (among other shapes) with SimpleMarkerSymbol. I also see that it is possible to create a text symbol with TextSymbol. Is it possible to ...
5
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2answers
4k views

Exporting symbology from ArcGIS Desktop to ArcGIS Online?

We're planning to put up a bunch of our maps into ArcGIS Online and we'd like to create a streamlined process to do so, with as much automation (Python) as possible. This is our first test with a map ...