Tagged Questions

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

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7
votes
1answer
593 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 ...
2
votes
0answers
244 views

No file is created when I choose 'Save style …' in layer properties

First of all, I create a layer using the Add Delimited Text Layer plugin. The layer contains longitudinal and latitudinal data and a number that is assigned to each data point. When using a graduated ...
2
votes
0answers
87 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 ...
4
votes
3answers
113 views

Where can I find Specifications for Canadian National Topographic Map series?

At one time the Natural Resources Canada had the specifications for the National Topographic Series (NTS) maps online at http://www.nrcan.gc.ca/earth-sciences/cartospecs. It included things like the ...
3
votes
2answers
761 views

Customizing label features using arcpy

I have a script that creates symbology for a polyline (contours) and then adds it to a .mxd file. My problem is that it picks the “FontName” as the default field to label on the map (see attached ...
4
votes
2answers
296 views

Examples of Creative Cartography

I am looking for some examples of creative cartographic output. I am planning for something like a mixture of cartography, graphic design and spatial information. The output will be initially in ...
0
votes
2answers
349 views

How to: Conditional Symbology in ArcMap

I'm in charge of a database that contains property information. I would like to symbolize parcels of land that we have a 'written agreement' with the owner differently than parcels that we do not ...
5
votes
1answer
518 views

Printable Esri symbol sets, a.k.a. style references

Does anyone know of good printable documents of the as-shipped Esri symbol sets, also called Style References? The new with Arcgis 10 ability to search symbol sets is a great boon, but one can still ...
2
votes
2answers
392 views

OpenLayers Combines Rules and StyleMap/SelectFeature?

I'm using GeoServer, OpenLayers and WFS features. For one layer, I managed to set either rules to display according to a field or SelectFeature with a styleMap to highlight features when the mouse is ...
2
votes
0answers
155 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 ...
0
votes
1answer
649 views

How to automatically export multiple maps with quantile symbology?

I am a relatively new ArcGIS user and I have a question about automating a tedious join/symbology classification/export operation. I have a very simple shapefile to which I join a bunch of fields. I ...
0
votes
1answer
139 views

Is the Heatmap Colorramp uniform across different rasters for ArcGIS?

SO i have about 16 rasters spanning the same extent and containing the same variable. I use the display symbology in ArcGIS to generate a stretched Color Ramp which is the heatmap i want. As the ...
3
votes
0answers
152 views

Cartographic Representations Load Rather Than Feature Symbology

We use ArcSDE to allow multiple users (both in my office and elsewhere) to access feature classes that my office maintains. We also use cartographic representations for many of our feature classes. ...
1
vote
0answers
139 views

How to handle multipoint symbology catalogue (as in mil2525c, tactical graphics appendix b)

Is there a general format (standards based) to store a vector based drawing description for multipoint symbology (means having several anchor points reflecting symbol point <-> geographic point ...
7
votes
1answer
269 views

What is the best way to represent bridges using a point vector layer in QGIS?

I'm working on a hiking/biking maps of trails in the woods which sometimes have bridges that need to be shown on the map. I'm trying to figure out the best way to capture and represent them using QGIS ...
2
votes
0answers
315 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 ...
4
votes
1answer
270 views

How to display intersecting roads and create multiple labels for long roads in QGIS?

I am new to GIS and I am using Qgis 1.7.3 on Windows. Can any one please tell me how to display a map from line shapefile with these two characteristics: Roads are displayed with borders at the ...
1
vote
0answers
42 views

How to recreate the 'standard deviation' option for a raster layer in Mapserver?

In mapserver is there any way to recreate the 'standard deviation' option available in Arc's symbology for a stretched raster layer?
2
votes
1answer
257 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 ...
2
votes
1answer
255 views

Prevent formatting of label text in OpenLayers

I have a vector layer in OpenLayers containing a few point features. Each of my features have an attribute tag which contains a short text identifying the feature. Example: tag: '1e-1' Applied ...
5
votes
1answer
476 views

What server and API to use for displaying complex polygons with dynamic symbology?

Background I need to interface a map into an existing website which allows the user to query a database and which currently results in a table listing population statistics per county. For example, ...
2
votes
1answer
127 views

Can you use animated images as symbols in Mapinfo?

How is it possible to use image that blink or change (animate) as symbol in mapinfo? I tried to create custom symbol that blink in mapinfo but after I added it as symbol it didn't blink. Have I done ...
2
votes
1answer
2k views

How to change the Symbology of Multiple Layers at once?

Is there a way to change symbology for multiple layers in arcmap or arc catalog. I want to change the symbology of multiple layers at once.
7
votes
1answer
826 views

Permanently Change ArcMap's “Maximum Sample Size” Setting?

I've lately been working on feature classes with a huge number of polygons (e.g. all of the Census blocks within the Chicago metro area). I've been needing to symbolize them by quantities a fair ...
2
votes
1answer
1k views

How do I make text show up on top of Markers using Carto in TileMill

I'm attempting to place intersection markers on a trail map. Each intersection has a number. I can't seem to get the text show up above the marker. If I use the opacity, I can see the text is ...
0
votes
1answer
162 views

Can ArcMap automatically highlight an object on the map its label?

I was wondering if there is a way to highlight a feature (e.g. line) only by selecting its label on the map. Can ESRI autmatically highlight this object or do I need to create some "connection" ...
7
votes
2answers
434 views

How to Create Two Color Lines in QGIS?

I've been working on making mountain biking and hiking maps using Illustrator and I am now trying to move to QGIS so there's real GIS data powering the maps, making updating/scaling them easier than ...
4
votes
1answer
576 views

Is there a version of the ESRI ArcGIS Symbol Library PDF for ArcGIS 10, or some other cheat sheet for symbols/line weights?

ESRI has an old set of PDFs from 2004 showing all the symbols available in ArcGIS at the time and their names. I don't need it often but if I'm searching for a certain symbol and don't know its name ...
4
votes
1answer
270 views

What does “Size/Width” stand for in the symbol selector?

Can anyone explain how to interpret a symbol size of 10 or let's say 100? What kind of units are these? I ask because recently I had to deal with a reference scale and I wasn't really able to explain ...
1
vote
0answers
97 views

Looking for symbology for NAICS codes

I am curious if anyone has come up or has a good graphic style they can share that is symbology for NAICS codes. I have a large dataset that I want to symbpolize based on the 2 digit NAICS industry ...
3
votes
1answer
436 views

Stroked and filled vector lines in Openlayers

I am drawing vector lines, using GeoJSON, in my web application that uses Openlayers. I want the line to be displayed in yellow color with black border. I am using the following for the line styling: ...
5
votes
2answers
1k views

How to change the appearance of a Feature.Vector that's already displayed?

I've created a bunch of Feature.Vectors from Point objects and assigned them a Style. Now I want to dynamically change the appearance of one of the features in real time; e.g., change it from red to ...
4
votes
3answers
452 views

How to place multiple symbols on one polygon centroid?

I am using QGIS for visualizing the health conditions of elderly living in an old age home, some of the elderly have multiple medical device with them and I want to show them on the map. Suppose I ...
1
vote
3answers
683 views

How to write SLD rules with data-defined symbol size and color?

I have shapefile with points. They are classified - Graduated colors. I made SLD file with ArcMap2SLDConverter. I have a task to manual edit SLD file to show symbol diameters relating to field Area. ...
1
vote
1answer
223 views

How to edit symbol diameter related to the catchment area?

I have a table with column Catchment area (in km2), and I need to set symbol diameter based on that column. I need to get .sld file so I'm working with uDig but if you know better software for this, I ...
1
vote
0answers
449 views

Change the symbol for a single feature in ArcObjects?

Is it possible to change the symbol for a single feature in ArcObjects? If so how? I know it's possible to setup the map symbology for different field values of a feature class, but I'd like to ...
6
votes
3answers
1k views

How to make custom, dynamically generated vector symbols in ArcGIS

I am putting together a map of GPS-enabled vehicles, and I am hoping to display them with custom point symbols that change appearance based on a few attributes (things like velocity, heading, and a ...
3
votes
3answers
1k views

Is it possible to convert ArcGIS 10 styles to version 9.3?

I have a style file (*.style) generated in ArcGIS 10.0. And I need to use symbols from this file on machine with ArcGIS 9.3. Is there some way to convert style file from format 10.0 to 9.3?
2
votes
3answers
2k views

Creating symbology for multiple attributes within the same feature class in ArcMap 10

I'm struggling to find a way to take a single point feature class that has multiple attributes that I want as feature layers with unique symbology. Let's call these attributes Depth1 and Depth2. A ...
6
votes
1answer
773 views

How to create a style file for QGIS from a plain text file?

Using QGIS 1.7. I have a plain text file, which lists 115 rgb values against a map code for a geological map. Viz.: $ head gsv1Msymbology.txt MAPCODE RED GREEN BLUE Oc 143 255 255 WAT 255 255 255 ...
1
vote
1answer
2k views

What is the best way to automate the importing of symbology into feature classes in ArcMap 10?

I'm importing several shp files with the same schema using the FeatureClassToGeodatabase tool in Arcpy and during the process I would also like to apply some standard symbology to the feature class. ...
6
votes
2answers
624 views

How to use a field-to-RGB mapping for symbology in QGIS?

Using QGIS version 1.7. I have a plain text file that lists a set of rgb values against a code. I want to use this colour table to colour a polygon layer by mapping one of its attribute fields ...
2
votes
3answers
892 views

Is it possible to add leaders to point symbols if they overlap?

I've added symbols to one of my point shapefiles, but for several datapoints this has resulted in symbols stacked on top of each other because there are multiple sample types for one sample location ...
13
votes
3answers
829 views

Best practices for visualising clustered features in web maps?

I'm looking for the best symbol to display clustered features in the ArcGIS Server JS API. I don't like the "fly-out" animated cluster symbol, as used in the Silverlight API clustering or the JS ...
2
votes
1answer
111 views

Standard Style for Infrastructure

Hi: I'm trying to locate or find out if there is a standard style for municipal infrastructure. Specifically Canadian (Provincial BC, AB) standards for symbolizing water, sewer, valves, hydrants ...
2
votes
2answers
645 views

Symbology or Styles

Anyone know where to find me some more symbology or styles that I can use for my ArcMap 9.3.1 ? I have lots of mxd files on my computer and how do I apply all of my symbology or styles turn on ? ...
2
votes
2answers
643 views

Copying Symbology between layers with different numbers of features

I am working on copying a layers symbology to a number of other layers which have the same geometry, table structure etc, etc but not the same number of features. I have a state wide layer and I ...
5
votes
3answers
586 views

How to normalize choropleth maps of census information?

I'm trying to improve on the census-based maps on this site, which shows census values at 5 scales from Collection Districts through to State. Currently the maps show whole numbers (eg total ...
0
votes
1answer
587 views

What's the best way to author SLD files from ArcGIS? [duplicate]

Possible Duplicate: How to edit or convert ArcGIS 10 layer style to a SLD's file. I'd like to be able to create styled layer description (SLD) files for use with GeoServer. I'd like to ...
4
votes
1answer
278 views

Performance of Picture Marker Vs Character Marker (font)

We have a point data type to symbolise. The feature classes can often contain more than 6000 points up to 20000. There are about 30 different symbol catergories to these points. My question is ...

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