The study and practice of making maps.

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3
votes
0answers
203 views

Realtime vector engine

Hey guys, I am looking for a real-time GIS vector engine that is to be used on a device using Embedded Linux/Qt (commercial or opensource). Any suggestions? Thanks. The usecase is a non-certified ...
6
votes
1answer
97 views

Dividing the world space to geographic sub-space

I am trying to divide the world space to geographic sub-space from "general" to "specific" locations and without using latitude and longitude information. That is, I am trying to think about the world ...
2
votes
3answers
1k views

Where can I download a map of the world for kids

I would like to download and plot some kind of fun (large) illustrated map of the world or Canada (with animals/ dinosaurs / points of interest, etc.) for my son's preschool cartography class. Anyone ...
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 ...
1
vote
2answers
1k views

How do you create Map Tips with Flex?

I'd like to have Map Tips display when a user hovers over or clicks on a feature in my Flex Application. Would I do this in the authoring stage or is there code I write into my Flex application??? ...
7
votes
3answers
5k views

QGIS- How to create an “area of interest” polygon mask

I've created a GP tool using ArcGIS that creates an "area of interest" mask from selected features. Effectively it creates a new donut polygon layer where the hole was the previously selected ...
3
votes
1answer
381 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
5
votes
3answers
281 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 ...
7
votes
2answers
665 views

Maps, black and white/ gray scale printing

I'm working on Mapserver to do beautiful maps with AGG rendering Until now, I've only thought about the best way to get color maps. Now, I have to think how to make color ones compatible with a grey ...
15
votes
4answers
894 views

Fitting a word/tag cloud into geographic boundaries

Are there any available tools or a recommend methods for displaying a tag or word cloud (also know as wordle) onto a world map, much like in this example: Map: United States of surnames? (There may be ...
16
votes
6answers
1k views

What's the most promising application (use) of OpenStreetMap data?

In some areas OSM data is very complete and has a level of detail not seen in closed data sources. Another distinguishing factor is that it contains the knowledge of the people who live in that areas. ...
5
votes
3answers
6k views

Free Mercator, Vector Maps

Are there any free, vector, mercator projection maps available online? I'm not wanting satellite imagery, but more a stylized map along the lines of this: However, I need it to be vector-based such ...
18
votes
1answer
218 views

What User Testing techniques do you use?

In producing dynamic maps for students/users I have found the time invested in user testing well worth it. I use a varient of think aloud protocol called hallway testing. I grab any 2 or 3 likely ...
3
votes
2answers
274 views

Segmentation Fault (segfault) when using OGR CreateField() in Python

Receiving a segfault when running this very short script in Ubuntu. from osgeo import ogr, osr shpfile = 'Census_County_TIGER00_IN.shp' def cust_field(field): '''cust_field(shpfile, field) ...
5
votes
1answer
538 views

Designing Better Maps

Using this chart, enhanced my presentations and presentation skills: found on Extreme Presentation Method. How would you modify this chart to be directly related to map design?
9
votes
4answers
739 views

World map projection with United States in center

I am creating a map showing flight paths originating in the United States and traveling to Asia and Europe. I need a projection for the world that will focus the United States in the center of the ...
13
votes
3answers
4k views

How to speed-up Dynamic Map services?

I am working on a ESRI Flex based application that will display data from a Dynamic Map Service. It need to be Dynamic, since the end user should have the option to turn on & off layers. This is ...
21
votes
9answers
3k views

Are North Arrows Pointless?

A recent post on Cartastrophe refers to a "Worldwide Campaign to Eliminate Needless North Arrows." So when, if ever, are North arrows necessary? As an interesting aside the concept of North being ...
3
votes
2answers
231 views

Is it possible to sync the extents of two open mxds?

I've never seen it, and it's not vital, but I'm wondering if anyone knows of a way to sync the extents of two open mxds? I'm pulling an old ims service into one mxd, and have another mxd open that i ...
3
votes
1answer
176 views

Is there a standard for displaying US vs. State highways on map?

My question is whether anyone is aware of a standard for how State roads, US roads and interstates should be displayed on a map? Not the label, but standards for the color and width of the symbology ...
5
votes
1answer
3k views

Are there any good alternatives to the Maplex (ESRI) labeling engine?

I am running ArcGIS 10 (ArcView) with the standard labeling engine. I am very familiar with Maplex and have used it in the past but it still lacked the "feature-linked" functionality given the type of ...
1
vote
1answer
183 views

How do I resolve line outlines jutting into other lines in Mapnik/Cascadenik

We are designing a basemap, and I am trying to resolve a problem with outlines that comes up in roads. The idea is to have lighter colors roads, but they don't get pushed out far enough with our light ...
16
votes
5answers
2k views

Rendering overlapping lines

I am making a map containing information about public transportation: busses, trams, etc. The map will have a layer containing for example the tram lines. Each line has its own colour, and is ...
7
votes
2answers
200 views

What are “M” point locations on the NOAA forcecast cone map?

I don't think I've ever noticed M before. H and S are Hurricane and Tropical Storm.
3
votes
3answers
1k views

Is there a way to “disperse markers” across multiple point layers?

I have a bunch of point layers which often have overlapping features. The disperse markers geoprocessing tool works within a layer but is there a way to do it across more than one layer, so none of ...
2
votes
1answer
480 views

Symbology rotation

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? Any help would be ...