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

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11
votes
1answer
676 views

Is there cartographic convention to ordering legend items (high-low or low-high)?

When you symbolise a layer in ArcMap, the symbols are ordered from low value to high value by default. Is that necessarily "correct"? I've never officially studied cartography - is there a convention ...
5
votes
2answers
389 views

Symbolizing individual highway network segments in ArcMap

I have a highway layer that I need to style in ArcMap in such a way to differentiate between individual highway sections, ideally using no more than 6-7 distinct colors. Each highway is divided into ...
5
votes
2answers
5k views

Directional Flow Arrows for sewer lines

I am working for the Town of Yadkinville, NC and would like to know how to create a layer of directional flow arrows for sewer lines to be able to turn them on and off at will?
2
votes
2answers
516 views

Different behavior of ArcObjects for different languages

I have the same code in C++ and C# for ArcMap. This code loads a document from disk and trying to get a picture for PictureSimbol object. But in case of C++ error occurs(HRESULT = E_UNEXPECTED ...
6
votes
1answer
4k views

How to apply Mapnik style for OSM data in ArcMAP? [duplicate]

I am loading OpenStreetMap vector data into ArcMAP (using the Download and Symbolize OSM Data tool of ArcGIS Editor for OpenStreetMap 1.1). I'm sure there must be a simple way to apply the ...
3
votes
2answers
2k views

How to quick get all symbols for feature layer with ArcObjects

I have a FeatureLayer and I want to enumerate all the symbols used in it. Simple way - it is to call SymbolByFeature for each features. Something approximately likes: Dim l as IFeatureLayer Dim c as ...
4
votes
2answers
5k views

Change Symbology of layers from within ArcMap

In an active ArcMap session - I want to change the symbology of a layer which is repeated multiple times in the mxd. Can I do this? The basic code I have for getting the layers is below. This is ...
7
votes
2answers
3k views

Modify raster layer display and symbology properties programmatically with arcpy or ArcObjects

I have over 1500 NITF files that I need to be able to modify the layer display and symbology of programmatically from within ArcMap. I need to set the properties outlined in red below: I've looked ...
4
votes
5answers
6k views

How can I symbolize a layer with graduated colors by a date/time field?

I've got a layer of polygons where each has a date associated with it. I want to color the polygons with graduated colors, but I want the colors to start with the newest polygons and fade to the ...
4
votes
3answers
2k views

Are there any well symbols for ArcGIS Silverlight/WPF?

I'm looking for some standard map symbols for a silverlight app. Does anyone know where I could find these? Thanks!
6
votes
4answers
4k views

View vertices in ArcGIS

In ArcGIS, is it possible to change the polyline symbology to show vertices? Or do I need to extract the points via Feature Vertices To Points? This becomes a pain if I want to edit the source ...
4
votes
4answers
5k views

Symbology of contour lines in ArcMap

I have contour lines with height values from 0 to 1030 (sorted by height 110, 115, 120, 125). Values with in-between number (like 5, 15, 115, 135...) should be grouped and colored with same color, and ...
1
vote
3answers
2k views

ArcGIS 9 doesn't recognize ArcGIS 10 .lyr files [duplicate]

I symbolized a parcel shapefile in ArcGIS 10 with about 2 dozen different colors. I need to use this in ArcGIS 9.3 as well, so I saved it as a .lyr file. This works fine in 10. But when I go to 9.3, I ...
10
votes
7answers
648 views

What is the point of standard symbology?

There are several questions on the site asking for standard symbology to represent markers of specific types of objects (i.e. Power Distribution, Crime Mapping, Emergency Symbols, Lakes). What is the ...
3
votes
4answers
2k views

Canvec Symbology in Arcgis 10?

Is anyone working on porting the Canvec Symbology toolkit to ArcGIS 10? How would you go about it if you were? The canvec symbology toolkit is comprised of a canvec.style file (which is an ms-access ...
3
votes
1answer
385 views

Is there an international standard with GIS symbols for power distribution objects?

Like I said in title, Im wondering if there is a standard that points out symbols for power distribution objects, power plants etc... Thanks
12
votes
3answers
1k views

Crime mapping symbology

Are there any standard, publicly available symbol sets for crime mapping? What are their intended applications and their strengths and weaknesses?
8
votes
4answers
3k views

Symbolising One-to-many relationships using ArcGIS Desktop?

I have a polygon feature class which has various extent areas with a name which is unique I also have a table (in a file geodatabase) that has the extent names with a score value. But there can be ...
5
votes
3answers
295 views

Is there a recomended method for symbolizing inland lakes, streams and rivers in a topographic map?

I produce a lot of maps with inland lakes, rivers and streams overlaid over a dem surface symbolized with a color graduation (green for lows and brown for higher elevations) I also use a ...
1
vote
1answer
401 views

Can I import symbology from an .axl file into ArcMap?

I'm setting up new Arcserver services, and some users would like the symbology in the new services to match the old IMS services. With that in mind, is it possible to either: a) import the symbology ...
4
votes
1answer
1k views

Changing the attribute behind a legend without changing the symbology

I have a geology layer with a very large legend that was painstakingly created based on a geological code. I now have a new attribute which is a friendly description for each code and I would like ...
4
votes
2answers
2k views

Are there water/wastewater utility GIS symbols for electronic markers?

I hesitate to ask for standard symbols, but is there a de facto standard symbol(s)? Or a popular set of symbols to use for electronic markers? Our utility will soon start marking with electronic ...
29
votes
5answers
5k views

Curved point-to-point “route maps”

I have recently been looking at airlines web pages that display their routes departing a certain city to all other cities they service. I would like to be able to create similar curved routes between ...
7
votes
6answers
6k views

How do I cluster XY point data? (ArcGIS 9.3)

I have a whole bunch of icons displaying on a map, I want these clustered together as was suggested to me for a different question here... ArcGIS 9.3. How do I increase Picture Marker Symbol ...
2
votes
2answers
2k views

ArcGIS 9.3. How do I increase Picture Marker Symbol performance?

I have a layer with 400 point features that display a picture marker symbol on the map. We expect this number to increase a great deal. Unfortunately it's already noticeably slow. This is being ...
4
votes
2answers
456 views

What is the cause and solution of this ArcMap tint band drawing issue?

I installed ArcGIS 10 SP1 last week. My graphics card meets the spec and I'm up to date on drivers. I have a layer of parcels that are tint-banded in the MXD. At some scales, straight lines that ...
5
votes
2answers
713 views

Symbols showing sex of a species in a label in MapInfo

I am trying to indicate the sex of a species using the symbols ♀ and ♂ in MapInfo. I would like the symbols to display in the label of each species point, but I cannot find out how to do this. I had ...
24
votes
5answers
3k views

Are there any international standards for map symbology?

We are going to let our users add points, polylines and polygons to a map. Are there any international standards for map symbology? For example for emergency symbols?
1
vote
1answer
337 views

Unwanted Italicization of Symbol Text (ArcMap 9.3.1)?

So I am running in to a problem that has got me stumped. I'm working on a road systems map, and there are a few symbols with text in the middle. The problem is that the text within the badge, ...
1
vote
2answers
1k views

unique value symbolize layers from a lookup table

I need to create a large number of Arcmap layer files (v9.3 or 10), perhaps a hundred, from lookup tables. I don't have to set the symbol patch itself, that can be random, but I do need the value and ...
2
votes
1answer
494 views

Preventing polygon symbology from rotating with data frame when switching between map sheets in map series?

I am using ArcGis 9.3, Windows XP and want to know if it's possible to have symbology in my polygons not rotate with data frame when I switch between mapsheets in my map series? I do NOT have ...