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

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18 views

Compare symbols in pyqgis

I'm working with renderers and I want to compare symbols from two different renderers. Is there any way to do it in pyqgis/python? Here is how I get symbols: renderer = layer.rendererV2() category = ...
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1answer
32 views

Why is the legend symbol alignment in Print Composer worse than in the main window layer list?

I created a point layer where point-symbols' size depends on a column of the attribute table. When they appear in Layers Panel, symbols look like this (every circle's centroid has the same "X-value" ...
4
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0answers
45 views

How to show labels exactly around a circle in QGIS?

I found an interesting way of proportional symbol mapping and labeling, I think this was made by Adobe Illustrator but I couldn't find out if it can be done in QGIS. What I am interested in the most ...
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2answers
283 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 ...
4
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2answers
120 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 ...
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1answer
204 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 ...
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1answer
230 views

How to change symbol size in QGIS map composer legend?

I need to set an identical size to several symbols inside a QGIS map composer legend. The 'Symbol' menu in the Legend properties allows to set a height and width but this has no effect on the size of ...
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2answers
23 views

Transparency to unique value in ArcGIS 10.3

I have this polygon layer and i try to set the transparency to 52% only to the c value: but when i set to 52% transparency, all the values changed: I can copy\paste the polygon and remove a,...
2
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1answer
325 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 Contents....
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1answer
253 views

Apply graduated symbology renderer works in Python console but not in standalone script

I use the following PyQGIS script to load a vector layer from a shapefile and apply graduated symbology to it (tried to make it as minimalistic as possible). This works well in the QGIS 2.4 Chugiak ...
2
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1answer
276 views

How to apply categorized symbols to polygon layer with PyQgis?

I'm fetching a polygon layer from postgres using the following: uri = QgsDataSourceURI() uri.setConnection("localhost", "5432", "mydb", "postgres", "xxx") uri.setDataSource("public", "my_table", "...
2
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1answer
136 views

How to change default symbol in Categorized symbol renderer (python console) or use different icons as vector layer symbols?

I have a point shapefile in QGIS 2.10 and I want to display one of its fields attributes based on its unique values (I always know that it has 4 unique values and their values so I do not care for the ...
3
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1answer
210 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 OpenLayers.Renderer....
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1answer
30 views

Multiple attribute symbology in ArcMap

I have a layer I need to symbolise with graduated colours based on one field and graduated symbols based on another field. Sizes are based on a field that stores a count (range 1 to 50). Colours are ...
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1answer
1k 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 ...
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0answers
19 views

Is there a way to symbolise a shapefile based on the most recent attribute?

I am working with a large number of sites (300+) which have had surveys carried out on them over the last ~3 years which are scored as Low, Moderate and High. Some of these sites have been surveyed ...
3
votes
1answer
227 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 ...
2
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2answers
386 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
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1answer
30 views

Applying symbology to raster layer in ArcPy without using symbology layer (layer file)?

I have a raster layer with 3 unique values (1,2,3) and I want to apply a unique color to each using RGB values or hex codes, without the use of a symbology layer (layer file). Is it possible to ...
3
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2answers
2k views

Adding Shapefile with Symbology from Layer File to ArcMap MXD using ArcPy?

I have a Shapefile: C:\DATA\points.shp A layer file: C:\SYMBOLOGY\symbology.lyr And a map document: C:\MAPS\map.mxd How can I add points.shp to map.mxd with the properties of symbology.lyr all ...
3
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0answers
17 views

Changing Edit Sketch Symbology in ArcGIS Pro

I am trying to change the sketch symbology for vertices in ArcGIS Pro 1.3. I know you can change the symbol from the default in ArcMap here. I was wondering if there was the equivalent for Pro. Below ...
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0answers
15 views

Query in symbology as in labels using Arcgis 10.0

I'm using a bigger data set of points indicating different categories in ArcGIS 10.0. Single polygon, say district, may have a number of categories in it. I was wondering if I could make query of ...
2
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2answers
379 views

How to create a polygon fill as seen in the QGIS 2.16.0 changelog?

The polygon fill for 'Urban parcels' in the following .gif animation looks really cool. http://changelog.qgis.org/media/images/entries/5817785cf3d18db78669c2eb2c2be0cf606c3783.gif (See also: http://...
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2answers
23 views

Offset Line Symbology in ArcMap?

I have a line feature that I offset by altering the symbology from "simple line" to "cartographic line" and then adjusting the offset. However, this segmented the line in many places. I tried a ...
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0answers
16 views

Transferring Interpolated Results to Line Features

I am using ArcDesktop 10.3. I have a road network feature dataset and a point city feature class. Using Network Analyst and Closest Facility along with several incident points, I solved several ...
4
votes
1answer
46 views

Symbolize a layer based on it's related table (1:M relationship class)

I have a layer of polygons joined by a relationship class to a table by Field = DistrictIDNumber The Table has multiple entries for each polygon so it is a one to many relationship. Is there any way ...
2
votes
0answers
19 views

Increase arrow symbol length by value in Arcmap

I use ArcMap to visualize surface displacements. I have a point shapefile with magnitude and angle values, which I plot as simple symbols with size=magnitude and rotation=angle. As symbol I use ...
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0answers
15 views

Modify symbology on newly created shapefile with arcpy

I'm new to using arcpy and I'm diving into the deep end. Using arcMap 10.2.2, I can create a shapefile thus: # create point shape file for buildings arcpy.CreateFeatureclass_management(myFolder, "...
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2answers
1k views

Changing color and transparency of layer using ArcPy?

I would like to create an ArcPy script to change the color and transparency of a collection of layers. The color and transparency would be based on wildcards such as "_dog" or "_chicken". The ...
0
votes
1answer
255 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 ...
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0answers
23 views

I am trying to have markers in a KML to follow the direction of the view in Google Earth

I am trying to represent the flow direction of streams in a KML file to be used in Google Earth. As complex line symbols are not supported by the KML format, I have opted for a solution combining ...
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0answers
38 views

Using SVG file to fill polygon using QGIS- problem

I try to fulfill polygon with SVG file (which created with inkscape) but when i load the file into QGIS by this way: i get polygon layer with no symbology: Now, i red Using SVG from Wikipedia ...
4
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0answers
251 views

ArcGIS python toolbox: GPFeatureLayer parameter “loses” symbology type [closed]

I'm pretty new at ArcGIS python toolboxes. Here is one problem I've been fighting with for a while. I want to create an output layer (GPFeatureLayer) with a specific symbology (GRADUATED_COLORS) and ...
5
votes
2answers
171 views

QGIS symbology: Change symbols outline color without loosing fill pattern

I have defined a layer symbology like shown in the screenshot below (categories are applicable laws however). The layer symbology is defined like this i.e. (no pattern fill): For these three ...
2
votes
1answer
42 views

SVG symbol colors differences in QGIS 2.12?

I don't understand why SVG symbols, which are colors changeable in the symbol default installation like this airplane: whereas there symbols like the transport bus station, and lighting symbol (...
3
votes
0answers
71 views

Importing representations from Layer File?

I'm trying to incorporate representations as part of my data model. I have set up representation rule for my feature class, which is part of a feature dataset. The way I have the data categorized is ...
1
vote
1answer
32 views

Width of a dual-line based on values out of the attribute table in ArcGIS

Is it possible to symbolize the width of a dual-line automatically by a value out of the attribute table in ArcGIS for Desktop 10.4.1? In my case, i have hundreds of different entries with the width ...
1
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1answer
31 views

Can I save the symbology of all the layers in my mxd so that I can quickly revert back to a certain “look”

I am using ArcMap 10.2 and would like to set multiple variations of the layers symbologies. In autocad this would be the equivalent of setting the layer state.
3
votes
1answer
69 views

QGIS Symbol Categorisation

layer = iface.activeLayer() # get unique values for 'severity' field fni = layer.fieldNameIndex('severity') unique_vals = layer.dataProvider().uniqueValues(fni) # define categories to use in ...
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0answers
18 views

Explaining what number (highlighted location) represents in watershed basin?

Can anybody explain whats this number(highlighted location) represents in watershed basin?
0
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2answers
42 views

Imitating symbology for DEM / Hillshading in ArcMap?

I am using ArcMap 10.2 and I am looking to copy the basemap styling from this map but I'm not sure how to go about doing that. I have a DEM of the area and the hillshading layer used but I'm not sure ...
0
votes
2answers
275 views

Importing CAD polyline symbology into same polyline but converted to feature class?

I'm working with a CAD drawing (DWG), and I've exported the polyline layer into a file geodatabase. When I add the exported polyline layer to ArcMap, and try to import the symbology from the original ...
1
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1answer
19 views

Where the folder of new symbol saved in the computer ?- QGIS 2.12

I created new polygon symbol called "476" and saved it in the Layer properties in one computer (with the "save" button under the symbology ): I seeking the symbology folder where this new symbol ...
0
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1answer
23 views

How to cartographically represent active faults, without using geological symbols

i would like to ask how to cartographically represent active faults, without using geological symbols. I dont want to make a geological map, thats why i dont use that kind of symbology. I dont have ...
0
votes
1answer
17 views

Using external images on geoserver with dynamic url

I'm trying to get dynamic icon loading based on an attribute in GeoServer 2.9 My SLD: <sld:ExternalGraphic> <sld:OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="...
1
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0answers
22 views

Chart symbology not drawing?

I am trying to symbolize some polygons with charts, 3 columns each, from the attribute table that has all the fields and rows populated. I have checked for exclusions and queries and there are none. I ...
2
votes
2answers
38 views

Saving Symbology from MXD as Image File

I was given an .mxd that contained icons I need to save and reuse in a webmap. Is there any way to save these icons as .png or .jpegs instead of .style files?
2
votes
2answers
30 views

ArcGIS 10.1: How to remove layer symbology with no object?

I have a layer named 'Landuse' in TOC. Symbology type is 'Unique value" for the field 'Landuse', for example: Residential Commercial Public Recreational Etc. Is there any way to automatically ...
0
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0answers
16 views

Generating detailed layer properties report [duplicate]

Would anyone advise me how to generate detailed layer information report in ArcGIS 10.3. I mean the details described by layer properties window for a layer like Source, Display, Definition Query, ...
2
votes
1answer
1k views

How can I apply symbology from two layers to one feature class with common features using ArcMap 10?

Say I have two layer files. Layer file 1 has symbology for feature types A, B & C. Layer file 2 has symbology for feature types B, C & D. In these two layer files, feature types B & C are ...