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

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4
votes
1answer
199 views

changing symbology

I have problem with my script. Layers are in one geodatabase, and have names like: orne1942, orne 2003, orne 2009 (the same forpart e.g. orne). Script should changing symbology layers wich have the ...
2
votes
1answer
803 views

How to apply a graduated renderer in pyQGIS?

Just trying to run the following code already given in the pyqgis cookbook to create graduated colors symbology (as in example with 2 classes) I define the source info for the shapefile but when I ...
2
votes
1answer
340 views

Update Layer with python, error attribute renderer

I am attempting to automate symbology using python, and ArcMap 10.0. I am importing this script into a toolbox, which I run from arcmap Currently I am getting two errors: 1) LayerObject: Set ...
0
votes
0answers
148 views

MS Access join table values, not recognized by ArcGIS symbology

I joined a MS Access database table to a GIS file. When I try to use symbology (categories) to represent a yes/no value which is in the table file (0/-1) it does not recognize it as a value.
4
votes
2answers
435 views

How to auto-add new values to unique values classification values range?

I am using ArcGIS Desktop 10.1, ArcGIS Server 10.1 & SQL Server 2008 software. I am adding the query layer and directly publishing to ArcGIS Server and accessing the map in a JavaScript ...
3
votes
1answer
108 views

How do you access the Draw toolbar symbol(s) from ArcObjects?

I'm dropping a text element onto a map and I'd like to use whatever settings the Draw toolbar has (font, size, color, etc). Is there a convenient way to access symbol interfaces? Or do you have to ...
14
votes
3answers
350 views

Is it possible to use symbols instead of colours to visualise raster cell values?

I have a raster image (GeoTIFF) with integer values. I know how to visualise raster values in QGIS using colormaps or similar, but I would like to assign symbols to each colour value instead - just ...
3
votes
2answers
399 views

How can I keep the color of the shape file in arc constantly?

I am using arc gis 9.3 when I use a color for the shape file it changes everytime when I close and open the arc map so how I can constantly keep the color of the shape file that I work with
1
vote
0answers
205 views

Can I Rotate SVG symbol counter clockwise in Quantum GIS? (Direction East 0 - counter clockwise) [closed]

I'm working in a road signs project. I need the signs layer symbol to rotate according to the value in the angle field, so they could be represented facing the correct orientation. However, the angle ...
1
vote
1answer
2k views

How to change the symbology of the layer with python script in ArcGIS ? [duplicate]

Possible Duplicate: Change Symbology of layers from within ArcMap I need to write a script to change the symbology of the layer. I've read all the topics about symbology in ArcGIS-help and ...
0
votes
2answers
88 views

Unique and Range value symbology in Arc Desktop 10.1

I am facing a issue in which i have to give symbology depending on unique value of one attribute and range value of another attribute. That is symbology on gender and age. like symbol1 - ...
1
vote
2answers
224 views

Display the outline of many polygons

I need help formatting an outline on a layer. The problem is that i have a layer with this attribute table: And the aspect of this layer is like that: What I need is to show an outline not around ...
8
votes
3answers
570 views

How to present three spatial variables in one map? [closed]

I want to assign 3 category of variables in a single map. In other words, I have to produce a cartographic visualization of the damage including a legend listing: damaged surface area in the ...
8
votes
1answer
229 views

Why is the OGC Symbology Encoding standard not being implemented and is SLD an alternative?

I searched exhaustively over the internet as well as at this How to export Symbology from ArcGIS to Microstation or QGIS? but didnt find a satisfactory answer. Hope to get the answers from the experts ...
0
votes
2answers
77 views

Common class range for different attributes in a same polygon shapefile

I have a polygon shapefile which has population attributes pop90,pop91 and so on for 10 years. They have different minimum and maximum value for each of the years. Now I need to do classification for ...
1
vote
1answer
887 views

Is there any way to set polygon features fill color and outline programmatically?

By some process I am creating a polygon feature layer. Before adding the layer in the map, I want to set polygon's fill color to no color and set polygon's outline color and width. I am working with ...
5
votes
0answers
121 views

Symbolizing route data [duplicate]

I'm working on a project that routes various modes of transport to one location (a school) in Arc Map 10. I have about 400 routes, so there is a significant amount of overlap as they near the school. ...
1
vote
0answers
58 views

esri.tasks.GenerateRendererTask for non 10.1 ArcServer

I wish to use the same features as the esri.tasks.GenerateRendererTask but it seems that it can be only used on ArcServer 10.1. Is it possible to achieve the same dynamic natural jenks breaks in the ...
2
votes
0answers
198 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 ...
5
votes
2answers
358 views

Can you print cross-hatch area fills like they appear on screen?

I'm trying to use a cross-hatch symbol on polygons in QGIS. When displayed on screen, they look just fine - both in the map and in the composer. The problem is when they are rendered to an image ...
1
vote
1answer
311 views

Does “size scale field” in QGIS actually work?

I'm having mixed results with the 'size scale field' aka graduated symbols in QGIS. Some forum posts out there say this feature is broken - others can get it to work.
1
vote
1answer
94 views

Copying representation symbology from one ArcSDE version to another?

We are having problems with our representations when copying from an ArcGIS 9.3 database to a 10.0. Representation symbologies with dash patterns (dots, dotted lines etc.) are reset to default ...
1
vote
0answers
43 views

How can i set scale for each layer symbol?

I'd like to use reference scale : 1:10000000 for layer a and 1:2000000 for layer b to set scale of labels and symbologies. one method is Working with data frame reference scales but this method works ...
1
vote
2answers
1k views

Is there a way to quick change the outline color of a polygon in ArcGIS 10 without open the “Symbol Selector” window?

Sei que é possível alterar a cor de um preenchimento clicando com o botão direito na caixa do símbolo de qualquer layer e aí basta escolher uma com simples. Tem como alterar o contorno do polígono ...
3
votes
0answers
218 views

How to symbolize vector features using RGB values stored in three fields?

I need to symbolize a vector layer in Arcmap based on RGB (or HSB - can do either) values found in fields in the attribute table. I'm working with up to 10 different datasets, each with over 100 ...
2
votes
0answers
198 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, ...
1
vote
1answer
184 views

How to replace corrupt representations stored in a geodatabase using symbology from layer file?

I have a lyr file with symbology that I want to store in the database. Symbolology is already stored in the geodatabase but the symbology levels has been corrupted migrating from 9.3 to 10. Thus, I ...
5
votes
1answer
2k views

Exporting map to jpg (multiple times with python)?

I set symbology and exported each raster in my mxd (one by one) to jpg file. My script is ok and it works (it is shown at the bottom). The question is: how can I customly set my legend? Now I have ...
2
votes
1answer
94 views

Dynamic Attribute Table

This seems silly to me, but I haven't hit this before. I have multiple (30+) point tables, 100 data points each, and want to start designing symbology and doing things like point distance. However, my ...
7
votes
1answer
268 views

How to migrate SVG-based styles for QGIS to other computers?

I'm working on a project that has involved creating many recolourable SVG icons and bringing them into QGIS. These are then used in layer symbologies, with these subsequent layer styles exported as ...
1
vote
1answer
147 views

How to add a custom SymbolLayerV2 to a Vectorlayer in QGIS

I'm trying to add a symbolLayer with a line-decoration (line-arrow) to a vectorlayer of linestrings. what i am trying at the moment is to create a new layer and set it's QgsLineSymbol with a list of ...
3
votes
1answer
282 views

MapServer Symbol with Two Colours

I'd like to symbolise a point dataset with a square (or circle) using two colours. This is useful for displaying values collected on both sides of a road (for example). I created two symbols, a ...
4
votes
3answers
3k views

Assign symbology to multiple layers in one operation?

Is it possible to assign the same symbol to multiple layers of the same geometry type within an ArcMap document in one operation? For example, I was hoping to: Select multiple layers in the TOC ...
3
votes
2answers
280 views

Looking for qml specification

Where I can find qml specification which is used for store symbology information in QGIS? Try to googe it - no result.
3
votes
1answer
735 views

Working with legend patches/symbology in ArcGIS

I am working with a legend in a map from ArcGIS 10.1. The map is used as a template and will be used many times to create different maps. The legend is used to show a soil type and its descriptor: ...
10
votes
4answers
7k views

Is there a SVG symbol library for qgis?

Im currently using default simple symbol capabilities or dingbat fonts for point objects. Is there maybe a SVG symbol library for qgis that is a bit more extensive than that which is included? I've ...
1
vote
1answer
925 views

Is there a simple way to create a new custom vector marker symbol for ArcMap?

I would like to create a set of custom marker symbols for environmental sampling locations. I need there to be "vector" marker symbols not picture symbols. I've tried picture marker symbols and there ...
3
votes
1answer
122 views

Is the ArcMap style database format available somewhere?

The *.style files are MS Access databases where each style type is a table. The table has one binary column where the actual style is written. Is this binary format available? I would like to import ...
1
vote
1answer
2k views

How to export Symbology from ArcGIS to Microstation or QGIS?

I am using ArcGIS 10.1 and trying to figure out how to export my symbols of elements in ArcGIS to CAD or QGis readable format. Problem is, that I can only export symbology to Style, or export map to ...
4
votes
2answers
272 views

Symbolizing Layers in PostGIS

I have a number of vectors (points, lines and polygons) loaded into PostGIS (not QGIS Server). I would like to provide a colour schema based on attribute values which is saved as a default. What I ...
1
vote
1answer
139 views

Symbology for specific values

I want to apply a symbology scheme for the final layer of my model. Rules are - All negative - Symbol A 0 - Symbol B All positive symbol C unknown - symbol D I am not sure how I can define these ...
4
votes
1answer
587 views

How to customize legend icons in QGIS?

Under layers in QGIS shapefile polygon layers always seem to be denoted by right angled polygons which translates to the map legend in Composer. Is there any way to change the outline to a more ...
1
vote
0answers
325 views

Stats problem, QGIS heatmap [closed]

I am new to QGIS 1.8 and have been trying to make a heatmap. From what I can tell, the reason I am not getting the results I want is that the max value of the raster is erroneously measured at 2. ...
1
vote
4answers
4k views

Prevent drawing of overlapping point symbols - ArcGIS Server/Javascript API

Is there any way in ArcGIS to prevent symbols from being drawn when they overlap each other? I know this is possible for Labels using Placement Properties/Label Weight, but I can't seem to find ...
5
votes
2answers
910 views

ArcMap10: Symbology of Overlapping Polygons (Oil & Gas)

I am mapping an area where there are a lot of overlapping features because of certain Oil & Gas wells being drilled within the same geographic area, but to different depths and maintained by ...
3
votes
1answer
169 views

Setting Center Point of Pixmap Symbol for Mapserver

It seems like all the Mapserver documentation on changing the center-point of a symbol only deals with TYPE 'vector' symbols. I have pixmap symbol (the standard looking Google marker image thingy) ...
2
votes
1answer
2k views

offsetting symbology position in arcgis 10

My data of polylines has lots of attributes to be rendered with a symbology, I made it such that each attribute of interest would be a layer. I would like to display each of these layers at the same ...
2
votes
0answers
147 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 ...
5
votes
3answers
2k views

Program to create EMF that conserves transparency

What open source tools allow for the creation of EMFs that conserve transparency in ArcMap? I tried VeryPDF and Any DWG to Image Converter, neither on actually gave me a vector file that provided ...
6
votes
2answers
690 views

How to display an arrow pointing to a specific bearing in QGIS

I have a number of point features which contain an attribute I call "bearing" and another one called "slope". Each point has a bearing between 0 to 359 degrees. And the slope is either "+15" or "-15", ...