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

learn more… | top users | synonyms (1)

3
votes
0answers
148 views

How to set up graduated colors for a layer using ArcObjects?

I have to render a feature layer with a graduated colors renderer, using the ArcGIS API for Java (or VB, .NET). As the feature layer data is created dynamically using webservices, I don't in advance ...
3
votes
0answers
308 views

QGIS 2.6 Brighton - Graduated Symbols

I can't get graduated symbols to show in QGIS 2.6. This is what I have done. I have two fields of type integer, saved as a shape file which I have tried to import as a shape file and as a secondary ...
3
votes
0answers
72 views

QGIS - assign different colors for SVG markers also in categorial / graduated symbols?

I understand it is possible to customize the color of an SVG marker via param(fill) However, I have to set the color manually, and cannot automatically assign it through categorical or graduated ...
3
votes
0answers
455 views

Can I export the RGB values from an ArcGIS layer symbology?

I've got a point layer in ArcGIS that has 100 specific color codes based on the name of the store. I'm trying to export the RGB values for these colors (along with the name value it's tied to) so I ...
2
votes
0answers
32 views

Adding text background color using ArcPy?

Is possible to add text background color using python on ArcGIS (ArcMap 10)? I wrote a function that able to change font color of the string but I want to add background color to it as well def ...
2
votes
0answers
42 views

How to change the symbology of selected features in QGIS

In QGIS selected features are normally highlighted in a different color to draw user’s attention on the selection. The default color can be changed programmatically. As a nice to have my standalone ...
2
votes
0answers
120 views

ArcGIS python toolbox: GPFeatureLayer parameter “loses” symbology type

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 ...
2
votes
0answers
141 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
votes
0answers
52 views

ArcGIS Model Builder - Loading Tab Reader Parameter

In our office, we got a large set of MapInfo TAB files, and are planning to migrate those data to ArcGIS GDB with the same symbology available in the TAB file. On a individual TAB file to GDB, we can ...
2
votes
0answers
115 views

Saving/Loading QGIS style .qml and avoid specified symbology

Is it possible to save QGIS styles without the symbology style? This may seem like a strange question, but I am trying to automatically set the ValueMap widget under layer properties via a plugin for ...
2
votes
0answers
39 views

QGIS strongly offsetted symbols for categorized layers not visible on layer list (layer panel)

I am constructing a symbology for telecom analysis, which so far is mainly point and line features. So far it is working very well except that I have to offset the symbols to be able to avoid ...
2
votes
0answers
168 views

What is the advantage to using a representation vs a layer file?

I understand that the representation stores the symbology inside of the geodatabase. It creates it's own field for a RuleID. I made a layer file that had 'unique values and many fields' and chose ...
2
votes
0answers
333 views

How to create good quality picture marker symbols with ArcMAP

I have created a nice clean symbol in Illustrator. After exporting to .emf format and appending to objects in ArcMap the symbol looks terrible (see Attatchment). Has anyone found a way to import good ...
2
votes
0answers
107 views

Write raster with its attribute table and symbology

I am classifying lots of rasters and I'd like to automate the legend creation and symbology displaying for easy manipulation. Here is the kind of raster I'm dealing with: library(raster) r <- ...
2
votes
0answers
47 views

Why do my font choices not appear when setting symbology in ArcGIS

I have noticed this, it seems to be a bug. I will set the typeface for the symbology for one legend/feature class, but as soon as I want to apply it to another feature class the font grays out or is ...
2
votes
0answers
263 views

AxSymbologyControl via WindowsFormsHost in WPF (ArcMap Add In Project)

I need a way to offer the user a choice of color ramps for the ClassBreaksRenderer. I came across the AxSymbologyControl which was designed for WinForms. I tried also ESRIs (WinForms) example project ...
2
votes
0answers
228 views

Symbology levels are ignored in ArcGIS 10

I have a problem migrating from a ArgGIS 9.3 to a 10 geodatabase (both sde and file gdb). The symbology levels stored in the 9.3 database are not transferred. When migrated to ArcGIS 10.0, ...
2
votes
0answers
166 views

Symbol Level in ArcGIS 9: 'Broken' look of symbols, how to resolve

I am using symbol levels in ArcMap to style roads so that I have a banded feel. My problem is that at intersections and sharp turns, the cartography gives a broken effect in the road. How can this be ...
2
votes
0answers
111 views

Symbolizing Layers from a PostGIS Database to many Client Computers

I was hoping someone could help with a symbolizing issue. I have a PostGIS database on a server with a number of layers. The layers of a series of polygons, lines and points that all share the same ...
2
votes
0answers
255 views

Recalculate Quantile Breakpoints in CalculateField_management loop?

I have a program that iteratively replaces a temp field where I choose a certain symbology (color ramp and quantile color break methodology) with a few other fields from a join. The program works in ...
2
votes
0answers
627 views

Implementing custom IRenderer for ArcGis 10.0/WPF

EDIT: Updates in the bottom As a followup to my earlier question, I'm trying to implement custom symbol rendering for my WPF/ArcGIS application. I'm accessing layers that have been published on the ...
1
vote
0answers
10 views

QGIS expression builder include relation attributes

I have a set of symbols based on a table in postgis such as this id|type|action_1|action_2|geom In QGIS I have this table symbolised using a rule expression which works effectively. However this ...
1
vote
0answers
5 views

Is there a established color convention for US Federal Agencies?

Do US Federal Agencies have a convention for coloring the lands under the jurisdiction of each? For example, BLM lands are often yellow, USFS light green, NPS blue or dark green, etc. I've found this, ...
1
vote
0answers
46 views

Is there any way to mass rename or import field names in Labels in Symbology?

I need to load an .avl that sets the symbology for me, but I also need to give the unique values their name, which is not what the Symbology->Category->Value Field uses, but another field in that ...
1
vote
0answers
22 views

Display different symbols in QGIS using Point Displacement renderer

How to display different symbols (not different in size, different in shape and color) on the same point in QGIS 2.8 using Point Displacement renderer? I want my layout with symbols around the ...
1
vote
0answers
41 views

QGIS symbology to ESRI

Does anybody know how to export the layer symbology from QGIS into a format that can be used by with ESRI products? I have been successful in exporting an XML but it quotes the file type as: !DOCTYPE ...
1
vote
0answers
61 views

Extracting color values from layer to build index using ArcPy/ArcMap?

My university wants the maps we create to become more standardized and so we're changing all the colors on our base vector map. The new standard needs to be indexed and I have the task of creating ...
1
vote
0answers
85 views

Legend of CORINE land cover in ArcGIS 10.x layer file

I am looking for the legend of Land Cover (Corine Land Cover) for ArcsGIS 10.x. as a layer (.lyr) file. I want to symbolize the classes without setting the RGB color values one by one; especially for ...
1
vote
0answers
41 views

Marker Line Symbol with Character Marker Symbols gets grayed when published to map service

After publishing as Map Service character marker symbols become grayed even if their colour is black in definition. This odd behaviour happens in ArcMap 10.2.2 and ArcMap 10.3. Are there are any ...
1
vote
0answers
64 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 ...
1
vote
0answers
37 views

How to recover from deleting the symbolid of a arcgis annotation feature class?

I have arcgis 10.1 (arcinfo license) and I am using a versionned database (arcsde) with SQL Server. I have accidentally deleted the symbolid of one of my annotation feature classes. All annotations ...
1
vote
0answers
85 views

SVG Symbols not showing up in QGIS

I have made sure the SVG path is set and that the path has SVG files: Settings->Options->System->SVG Path > "C:\OSGeo4W64\apps\qgis\svg" In Layer Properties > Style Manager > Marker ...
1
vote
0answers
85 views

Update Layer Symbology based on 1 field with changing data

I am running ArcGIS 10.2.2 Version 10.2.2.3552, using ArcMap. I have quite a big task here and before i attempt it i want to know if it is even possible. I've looked up some similar questions on ...
1
vote
0answers
54 views

How to convert a layer with a symbology using multiple attributes to a KML file using ArcGIS Desktop?

I could use some advice to convert a point feature layer with a symbology that uses multiple attributes (a color-scheme attributed to the percentage of positive malaria cases and a symbol size ...
1
vote
0answers
24 views

How do you symbolise a 32-bit raster in ArcObjects?

For rasters that are ABOVE 16-bit - you cannot apply a colormap - so what is happening when you symbolise in ArcMap a 32 bit raster, it's certainly possible. I'm trying to emulate this funcitonality ...
1
vote
0answers
28 views

Using .lyr symbology in ModelBuilder?

I'm trying to set the symbology of a raster output in ModelBuilder of ArcGIS 10.1. I've followed the guidelines by creating the .lyr file and the adding it to the Layer Symbology tab of the Output ...
1
vote
0answers
64 views

Vector Layer Symbology Export?

When programmatically creating / saving a QgsVectorLayer - implementation of the ExportSymbology functionality does not seem to exhibit the implied effects. Does such a command not indicate that the ...
1
vote
0answers
72 views

CartoDB: cluster circles aren't proportional

I'm trying to visualize thousands of records on a map on CartoDB using the cluster feature but circles with 100 or 1000+ records have the same dimensions. I'd like to have more discrimination in ...
1
vote
0answers
27 views

What can POLYCOLOR mean and is there a way to convert to RGB?

It is not for the first time I found in the tables of some data column called POLYCOLOR. Is there any way to figure out what that means and is it somehow convertible to RGB values? If I get it right ...
1
vote
0answers
57 views

MOLE options after ArcGIS10.2?

Esri said goodbye to MOLE, so now I am not able to achieve the same results as before, with the layer package which is offered on 10.2 version. Mostly because before I could customize the symbols ...
1
vote
0answers
39 views

“mapinfo qgis style converter” : error message

I would like convert a big point layer from .Tab toward .QML thanks to the plugin called "mapinfo qgis style converter" . The symbology of my layer is quite complexe (variables of coulours, shape, ...
1
vote
0answers
176 views

qgis-bin.exe has stopped working after changing symbol selector?

i am having troubles with QGIS 2.6.1. It crashes when i try to change the symbol selector within each vector layer. If it doesnt crash it seems that the changes i have made in symbol selector do not ...
1
vote
0answers
64 views

ArcMap Symbol levels get mixed up in multiscale representations

I have created several representations for a road network on different scales. As many of the roads are displayed as cased lines, I use symbol levels to control the drawing order. I then have saved ...
1
vote
0answers
47 views

How to use Infinity in GeoServer SLD colormapentry

I am trying to write an SLD with the last interval ending at infinity, (i.e. have the last interval include arbitrarily large numbers. Currently, I am using a large value like this: ...
1
vote
0answers
284 views

ESRI Javascript - Print Task GP Service - Symbology Issue

I am using the ESRI js API, and using a python GP service to run a print task to PDF with custom layouts. This works great, except when i have any map service enabled in the map. The layer in the ...
1
vote
0answers
744 views

Can not load Arcmap 10.1 styles

I'm having a problem applying existing styles and loading new ones. I go to customize > Style manager and i see that it is empty. After, i click on Styles tab and i select from the list the ...
1
vote
0answers
61 views

Creating custom polygon symbol using ArcGIS Desktop?

How can I create a custom polygon symbol? I already played with layering the symbol levels to no avail. I think that I need something a little more advanced than that. I'd Like to get something that ...
1
vote
0answers
181 views

How to change color ramp in graduated classification with standard deviation using pyqgis

I'm using graduated clasiffication with standard deviation to style my shapefile (see code below). But I need to use different color ramp for classes below mean (-1std, -2std etc.).I'm thinking of ...
1
vote
0answers
65 views

Wrong Display in Line Symbol and Gradient Color

I create a line symbol with specific gradient color and below control template: <ControlTemplate> <Path x:Name='Element' StrokeThickness='10' UseLayoutRounding='False' ...
1
vote
0answers
214 views

OpenLayers, symbol every 100 pixel on line symbolizer

First: the above banner links this to How to use a sld file with Openlayers using OSM data? , but look update2. I would like to add rail-road hatching to my OpenLayers map with a Symbolizer. Example ...