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

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2
votes
0answers
262 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
538 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 ...
2
votes
2answers
587 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.
0
votes
1answer
159 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
52 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 ...
2
votes
2answers
2k views

Quickly changing outline color of polygon in ArcGIS Desktop without opening Symbol Selector?

In ArcGIS Desktop 10, I know it's possible to quick change the fill color of a polygon by right-clicking the symbol box of any layer and just pick a simple fill color. Is there a way to change the ...
4
votes
0answers
263 views

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

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
227 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
230 views

How to replace corrupt representations stored in 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
3k 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
110 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
350 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
228 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
360 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 ...
5
votes
2answers
7k views

How to use 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 ...
4
votes
3answers
4k 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
400 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
940 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: ...
11
votes
4answers
15k 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
2k 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
134 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
3k views

Exporting Symbology from ArcGIS for Desktop to Microstation or QGIS?

I am using ArcGIS 10.1 for Desktop and trying to figure out how to export my symbols of elements in ArcGIS to CAD or QGIS readable format. The problem is, that I can export symbology to a Style, or ...
4
votes
2answers
368 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 ...
6
votes
1answer
599 views

How to offset points along a line in QGIS?

I used the "Profile from Line" plugin to create evenly spaced points along a line in QGIS, but I'd like to offset them to either side of the line. I suppose I could draw two lines parallel to the ...
1
vote
1answer
176 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 ...
5
votes
1answer
1k 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
379 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
6k 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
1k 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
193 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
3k views

Offsetting symbology position in ArcGIS Desktop?

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
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 ...
5
votes
3answers
3k 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
1k 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", ...
4
votes
1answer
6k views

How to I create and Import marker symbols (or 'Style References') in ArcMap 10?

I work with many different federal lands all of which can be associated with iconic logos (think National Park Service, National Wildlife Refuge System, etc.). I'd like to create a 'Style Reference' ...
4
votes
1answer
133 views

Symbology issue with feature class limited by domain

I added a field to a feature class in order to maintain symbology from the original KML file (this is a new question following up on this one). The new field is limited to three options by a domain. ...
9
votes
2answers
2k views

Trouble with graduated symbols after joining shapefile with csv file

I have successfully joined data from a csv file to a shapefile in QGIS but for some reason I am having trouble symbolizing my data. I want to use a graduated symbology however this option is not ...
5
votes
1answer
2k views

How do you symbolize a feature class layer in ArcMap 10 based on one attribute's value and then another attribute's value?

I currently have a point feature class that has a couple of attributes that I want to use to symbolize its layer. One of the attributes is called ExceedsTolerance, which either has "Y" or "N" for its ...
1
vote
0answers
702 views

Symbol rotation by using rotation-field [closed]

I want to rotate my symbols using the rotation-field in my atribute-table. After choosing the rotationfield, my symbols become invisible (the text is still there). What happend? Thank you! Martin
24
votes
5answers
2k views

Coloring thousands of polygons so each is distinct from its neighbors?

I am using ArcGIS 10, and I have layers of the 2010 Census blocks, block groups, and tracts. There are thousands of polygons in these layers. I want to color them so that each is distinct from its ...
3
votes
1answer
737 views

How to create mapping application with user input to dynamically weight/shade map layers

Does anyone know of any examples of web-apps that allow user-input to change variable weights used to calculate symbology? My organization is looking to build a dynamic mapping application and while ...
2
votes
2answers
272 views

Is there any swamps/marshes symbol using Quantum GIS?

I am having hard time to find nature symbols for polygons. Any tips to find more symbol (any plugins?)
2
votes
2answers
904 views

Multiple Maps with Styles not working in OpenLayers

I have created 2 maps(within 2 in a same page) along with their respective style maps. Both maps are having vector layers along with "LineString" geometry... added into them. Both style maps are ...
2
votes
1answer
752 views

QGIS adding or removing values in the style tab (layer properties)

I'm new to QGIS and have recently been testing the software as my org plan to migrate from ArcGIS to QGIS in the near future. I often use the 'Add values', 'Remove values' and the group values ...
5
votes
1answer
249 views

How to visually join river to lake in QGIS?

I have two shapefiles, one is for landuse (which contains forests, and also lakes), and another one for rivers. When I set the both water types to have outlines, they are not joined nicely - they ...
17
votes
2answers
708 views

Hand drawn sketchy symbology styles for GIS software

Often times in planning projects, a hand drawn, sketchy look is desirable in order to convey the preliminary nature of a project. Is anyone aware of any utilities/plugins for desktop GIS software ...
1
vote
1answer
315 views

need to show multiple symbols for one point

I am working on a state map of parks with campsites. I want to show symbols for handicap access, tent camping, backpack camping, winter camping, rv camping. I have used a symbol for handicap but it ...
4
votes
1answer
897 views

How to randomize colors by class in QGIS new symbology?

As a new user of QGIS, one of the tasks I frequently perform is creating a layer where polygons are colored by class, classified by some nominal field in the attribute table. I have developed a habit ...
3
votes
2answers
692 views

How to have different annotations for the same feature?

I've been given a dataset that has two different annotations set for a single feature which I can flip between. See below screenshot which allows me to set either a blue or red leader line for the ...
10
votes
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 ...