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

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2answers
36 views

Symbolising multiple lines in the same location

I would like to produce maps showing multiple lines that are in the same location. This poses the problem that the lines overlap each other making one of multiple lines visible when displayed in a ...
3
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0answers
33 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 ...
1
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1answer
31 views

How to label a road with my symbol multiple times?

I am trying to label a road that I create with Select Features, with a symbol multiple times along the road. Is it possible to recreate my symbol multiple times along the road to label it?
1
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0answers
14 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
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1answer
34 views

How to show\hide symbols according scales

How to show\hide symbols according scales, I couldn’t figure out if there is a way to hide symbols depending on scales the same way we do with labels. For example, in the screenshots below, the ...
0
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0answers
12 views

How can i set symbology and scale in my own shapefile to mapsforge?

I have a shapefile contain network of a city . I want to use the shapefile in android devices . The best solution is using mapsforge.I search and found some solution to convert shapefile to mapforge ...
3
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1answer
29 views

Searching semantically for symbols in ArcGIS Desktop?

Sorry for the noob question, but is there any resource (on the web) where I could more or less search semantically for symbols to use in an ArcMap layout? Using the Symbol Selector, I have to scroll ...
1
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1answer
56 views

Adding a Style to QGIS

I've downloaded the VA Geological Survey data set (http://mrdata.usgs.gov/geology/state/state.php?state=VA) that I have already on Google Earth as a kmz. The various formations are color coded. ...
3
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0answers
23 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 ...
1
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1answer
28 views

How to do dot density in ArcGIS Online?

I have some census tract polygons with language spoken at home attribute data behind them. I created them in ArcMap and produced a dot density map. However, after importing to AGOL it's only the ...
2
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1answer
38 views

ArcGIS 10.1 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 ...
2
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3answers
45 views

How to highlight the number of overlayed lines in ArcMap?

Using ArcMap 10.2, I have a feature class composed of several lines representing bus routes for the same transit line. There are different routes according to schedules. In the image below, each route ...
1
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1answer
29 views

Semi-transparent picture symbols in ArcObjects

When creating a new point layer with picture symbols in ArcMap 10.2.1 using ArcObjects, I have tried several ways to load semi-transparent symbol images from .png files, but to no avail, the ...
1
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3answers
95 views

What is the smallest size a point can be represented on ArcMap 10.2?

I have a large number of points that I need to plot and want to avoid overlaying them wherever possible. Whenever I choose a figure <1 for their size, I don't see any difference, yet ArcMap seems ...
1
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3answers
37 views

How can I display a symbol to a specific attibute in QGIS

I have a point shapefile, where I categorized my waypoints with attributes (schools, toilets, etc) and I would like to display certain attributes with specific symbols. How can this be done? Thank ...
6
votes
2answers
150 views

Including labels in map legend and point symbology of ArcGIS for Desktop?

I've been using gis.stackexchange for some time already and time has come for me to ask my first question here. I have point feature class with habitat types. There are two important attribute ...
6
votes
2answers
79 views

How to decide how to “stretch” raster imagery?

I have to symbolize a digital elevation model. ArcMap offers many different setting for stretching the symbology which all give widely different results. Some stretch methods symbolize the data so ...
3
votes
1answer
62 views

What effect does standard deviation have on the display of DEM rasters?

I need to explain why ArcGIS offers the function "standard deviation" when symbolizing rasters with the Stretch method. The Standard Deviation is a measure of how spread out numbers are and is ...
1
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1answer
42 views

Remove cell boundaries of raster pixels converted to vector format

I have a solar radiation shapefile with 10 km x 10 km cells. When I put it on QGIS, many pixels with boundaries take place. Please see the following image: How can I remove them in Qgis?
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0answers
66 views

QGIS - Tabular output for labeling

I'm new to QGIS and am trying to figure out how to output labels under a tabular symbology (I would have liked to post a file showing what I want but can't find a way to submit a file) : So my ...
0
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0answers
64 views

QGIS raster symbology problem in 2.6

With the new 2.6 QGIS version I often have problems with raster colors. For some reason certain pixels do not display initially, but if I move the raster a little spatially they show up.
2
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0answers
71 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 ...
1
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4answers
85 views

Apply Symbology to Rasters using Arcpy Script

I have an ArcPy script to apply the symbology of one raster layer to all of the raster layers in the table of contents. I have used this script before with feature layers instead of raster layers, and ...
3
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0answers
23 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 ...
1
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1answer
45 views

How to portray symbology with multiple attributes?

I have four columns, (A, B, C, D) and each can be ranked 1, 2, or 3 (point data). I would like to portray each category at once based on colors assigned to the rankings (1 = green, 2 = yellow, 3 = ...
1
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0answers
28 views

QGIS symbols using “advanced — size scale field” aborts rendering if encounters negative [closed]

Not sure if this is new in QGIS 2.6 Brighton, but I was struggling to get my points (small area centroids) to properly scale in size based on attribute values (population growth). Only a few dots ...
0
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1answer
51 views

arrow-symbols won't rotate

I created my own marker symbols (arrows) for point features. Now I want to rotate them with the Rotation-Tool from the Editor-Toolbar, but the Arrows always snap back to their original horizontal ...
0
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0answers
11 views

ArcGis Join Data CSV Problem [duplicate]

I have been trying to use ArcGis Desktop and ran into some problems while joining the data from a csv file with the shp file. I can see the attributes that have been added in the attribute table but ...
1
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0answers
89 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
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0answers
73 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 ...
1
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0answers
52 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 ...
0
votes
1answer
39 views

Error Applying Symbology to Shapefiles

I'm trying to apply symbology to my dataset after it is populated to the map display, but I am getting the following error. Have I placed the ApplySymbologyFromLayer code incorrectly? Traceback ...
1
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1answer
40 views

Add Layers to Map Display from script with default symbology

I have a script that runs IDW iterations and I'd like for the files to be automatically added to the map display after they are produced and contain the default symbology that ArcMap generates when ...
0
votes
2answers
70 views

Symbology tab in Layer properties

I want to symbolise based on the values, so for example I have many value fields (see pic) The map is drawn so that all these values have the same symbology and are not distinct. I tried to add all ...
2
votes
0answers
38 views

Unable to rotate Marker Line Symbols

I have a line feature class that I am trying to symbolize with a Marker Line Symbol type. I have my symbology set up but I am having a problem with the rotation angle. When I enter an angle in the ...
15
votes
3answers
323 views

Zigzag Line Symbol in QGIS

I'm looking for a zigzag line symbol in QGIS. Is there perhaps an easy way to do this that I'm missing? I have tried creating a marker line using a simple triangle marker (^) and adjusting the size of ...
0
votes
0answers
32 views

unable to plot the values for the individual fields in my table

I'm having problems adding tabular data to an ArcGIS project and need some help! Example of my table is below (please note that the fields have been edited since the capture was taken to remove any ...
1
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1answer
33 views

Changing individual symbol [closed]

How can I change an individual symbol on my map without changing all the other symbols? I can't click on an specific point to specify the picture.
2
votes
1answer
64 views

Disappearing attribute values

Using ArcMap 10.1, I’m editing values in a feature class which was sent to me from within my organization. I realized I had a problem when trying to change the symbology of this feature class- the ...
1
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0answers
51 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
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0answers
63 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 ...
3
votes
1answer
121 views

ArcMap - Display direction of points

I imported a few geotagged images and created a points shape showing their locations (or more accurately, the location of the camera) with the "Geotagged Photos to Points" tools. The attribute table ...
0
votes
0answers
31 views

Categorizing polygons instead of using default single symbol in ArcGIS for Desktop?

Is there any way to change display polygon from single symbol (default setting) to categorize? So far, when I added a feature polygon into the table of contain, it will be displayed as only one ...
4
votes
1answer
175 views

Are there any geology symbol libraries for QGIS?

are there any structural-geology symbols libraries (and geology in general) for QGIS? Many thanks
1
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0answers
30 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' ...
2
votes
2answers
136 views

Standard deviation classification in QGIS

Is it possible to implement Standard deviation classification in QGIS symbology of a layer like in ArcGIS: http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=Standard_deviation I need to ...
2
votes
0answers
15 views

Splitting overlapping points with same symbology in ArcGIS for Desktop? [duplicate]

I'm using a Basic license of ArcGIS 10.2.2 for Desktop. I have a point feature class layer and I uploaded it twice for representing 2 features. first is a type of person & second is the ...
0
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1answer
63 views

SLD specification for a vertical line on every line turning point

You can define a vertical line in SLD like this: <LineSymbolizer> <Stroke> <GraphicStroke> <Graphic> <Mark> ...
1
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0answers
87 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 ...
3
votes
3answers
101 views

Using SVG from Wikipedia to fill polygon?

I'm trying to use the flag of each region in Italy to fill each region's polygon. I have downloaded the shapefile of Administrative areas for Italy from diva-gis and am now attempting to fill each of ...