Tagged Questions

The representation of data in a viewable medium or format

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9
votes
1answer
398 views

Open source GIS tool for mapping health data

Im looking for an open source desktop gis tool that can be used for visualization and exploratory analysis. I want it to be interactive and perhaps display two or more maps at the same time to allow ...
3
votes
2answers
933 views

Is there a way to make Google Earth only display the outline of continents?

I want to do a visualization in Google Earth and I don't want to see all the different colours of the satellite images. Instead I'd like just the outline of the continents/coastlines, maybe a colour ...
10
votes
2answers
1k views

How do you choose the classifications on choropleth maps?

I find myself more and more struggling over defining break points when displaying choropleth (aka thematic) maps to view by others. Does anyone have any suggested references that help guide, both how ...
23
votes
7answers
3k views

Examples of geovisualizations of global connectivity

I stumbled upon interesting visualization of global connectivity patterns: 'Major road and rail networks in Africa, along with transmission line and underwater cable data.' (Source, more ...
19
votes
4answers
1k views

How to generate schemas of GIS hardware / software / workflows?

Quite often I find myself in a situation where I need to explain hardware or software GIS infrastructure to people with no or limited knowledge of GIS. Or give an overview of geoprocessing tasks ...
3
votes
4answers
1k views

Where can I find free Bathymetric data for Indian Ocean?

I am looking for bathymetric data, to place in a map of India for visualization only. I don't really need very high resolution data, since the the map will be at a very small scale: Maybe 1:1Million ...
8
votes
1answer
341 views

Is it possible to add photo-realistic clouds in ArcGlobe animations?

This question asked about the best software to produce professional fly-through animations, and included a link to a nice video of the Grand Canyon. That video includes photo-realistic clouds in the ...
8
votes
5answers
4k views

How to emulate this grayscale basemap look+feel in Google Maps

I love the design on the Development Seed homepage, where they've used a grayscale basemap with bold 3D-style graphic markers. It appears that they've used the ModestMaps API to create a tiled ...
9
votes
1answer
809 views

What are some great examples of information dashboards integrated with core GIS capabilties via the web?

I am tasked with designing a GIS information dashboard (think energy consumption, capacity, or any other measurable value across a campus). I would like to get a sense for what has been done well and ...
26
votes
3answers
7k views

Visualising WKT geometry string in QGIS

A very simple question: Is there a simple tool in QGIS to graphically visualise geometry formatted as text? Example geometry: "POLYGON((571178 6337246,571178 6402217,598061 6402217,598061 ...
6
votes
3answers
1k 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 ...
25
votes
2answers
8k views

How to style beautiful road maps with QGIS?

I am trying to design a beautiful map using Qgis. As I'm a software developer not a designer, I was hoping that this will be easy, but it isn't! There is a similar question here Qgis tutorials and ...
4
votes
2answers
275 views

How can I make my data efficient and “light” to do 3D Visualizations in Google Earth?

As a test run, I'd like to visualize population on census blocks for a few states (New England for example). I assume that the kml to do this will be huge, when you factor in the census boundaries and ...
34
votes
16answers
3k views

Is there any experience using Computer Games to display GIS data?

besides being a GIS use I'm a big computer game fan. Games like Civilization, Minecraft, World at War and many others have a very powerfull engine to display huge maps in a beutifull way. I was ...
9
votes
2answers
421 views

Examples of geospatial scientific posters

Can you point me to examples of interesting scientific posters featuring results of geospatial analysis and/or geovisualizations?
4
votes
0answers
1k views

Examples of GIS Visualisation [closed]

Examples of GIS Visualisation [This is a community wiki post, you are inviting other members of the community to edit it - not just to correct spelling or improve formatting] Example: Dr. John Snow ...
5
votes
2answers
462 views

Visualizing and organizing traffic flow data for an intersection

I'm looking for advice on how to organize data that describes traffic flows through several unconnected intersections over several years. I'd like to learn about the most basic representation of this ...
6
votes
2answers
415 views

Visualize text file with location info and intensity

I have an ascii text file containing location data (column 9-lat and 10-long) and intensity(column 20) 200010 207 020311 40658.5 406593 52 344927.31 7100203.50 -26.2078720 127.4491855 ...
12
votes
10answers
947 views

GIS and natural disasters - examples of geo-visualizations and geospatial analysis

I stumbled upon NY Times' web map of deaths from tornadoes in US. Can you point me to some more interesting examples of geo-visualization and/or geospatial analysis of natural disasters and their ...
7
votes
2answers
628 views

Generating a dynamic graph on USA map

I want to reproduce the dynamic US map showing the obesity percentage across the years 1984-2009 as shown in the CDC website http://www.cdc.gov/obesity/data/trends.html I am looking for tools and ...
12
votes
4answers
2k views

Processing(.org) for geospatial visualization?

Does anyone know if Processing is being used for geospatial visualization? I can't find much out there, but this is impressive: http://benfry.com/zipdecode/ Here's one I just found: ...
6
votes
2answers
561 views

Raster to Vector

I want to map out moisture availability using satellite image but I do not know how to convert the raster image to a thematic map with limiting boundaries like state boundaries. I am using ArcGIS 9.3 ...
10
votes
2answers
476 views

Static map visualization of multiple categories/attributes in a point?

I have a point data with multiple categorical values for each point location. For example: point1 = a,b point2 = a point3 = b,c point4 = a,b,c,d,e and so on Note that the ...
2
votes
1answer
391 views

Creating animated graphics to symbolize selections in Arcgis Explorer

I want to create and add some animated graphics to the features based on a query in Arcgis Explorer, like some moving waves at the queried features. Is it possible? If so, please let me know. Thank ...
17
votes
8answers
780 views

Examples of building-level geovisualization

I have recently stumbled upon a presentation and paper by Duncan Smith exploring geovisualization of 2001 area classification of output areas using building level resolution of urban area (London in ...
9
votes
7answers
932 views

How to automatically set polygons borders to improve map readability when rendering thematic maps?

When mapping an value as a color to render a thematic map the objects borders can alter the map readability a lot. For example in this thematic map of the US counties with black borders: There are a ...
10
votes
7answers
618 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 ...
16
votes
4answers
731 views

How to implement ringmaps in ArcGIS?

In a recent article by Stewart and colleagues in IJHG I stumbled upon interesting technique of visualizing data using ringmpas. Some more information referenced in the article about this technique ...
15
votes
4answers
805 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 ...
28
votes
4answers
4k 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 ...
24
votes
9answers
2k views

Effectively displaying demographic data on a printed map

I would like to plot the following per zone (30 zones total) data on a printable/non interactive map: Average age Average household income Number of households Population density Number of people ...
25
votes
7answers
4k views

How to compare two spatial point patterns?

If I have two point pattern distributions within the same geographic region, how would I go about visually and quantitatively comparing those two distributions? Also assume I have many points within ...
12
votes
4answers
593 views

How to create spatial tag clouds or “tag maps”?

I'm looking for implementations of spatial tag clouds or "tag maps". Some papers I found talk about a Yahoo Tag Maps API, but I couldn't find any such thing. I'd prefer OpenLayers-based solutions, ...
26
votes
8answers
2k views

When is a 3D Visualisation in GIS Useful?

I can currently only think of two cases: to visualise potential changes in a landscape, such as the effect of adding windfarms, or the addition of a new building to an urban area. However both these ...
4
votes
4answers
723 views

Examples of Beautiful Maps (at a county level or closer)

The Examples of Beautiful Maps question was outstanding and it gave us some great results. I was wondering if anyone else had similar examples, but at a county or parcel level. At those levels, I ...
4
votes
1answer
279 views

Examples of beautiful statewide maps that have a lot of layers (20+ layers)

I'm in the process of building a statewide map of all the transportation modes, waterways, and other information for a whooping total of 40 layers. I was wondering if you have seen print maps that ...
161
votes
48answers
40k views

What Makes a Map Beautiful?

Often times when we make maps it is based on our subjective interpretation of what is aesthetically pleasing. I would like if people posted examples of beautiful maps, displaying any phenomena in any ...
24
votes
5answers
2k 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?
11
votes
6answers
1k views

How to implement value-by-alpha map in GIS?

I've been doing some background reading about cartograms recently and stumbled upon interesting alternative - value-by-alpha maps. Concept is described in more details here and full paper is ...
47
votes
11answers
3k views

Best practices for visualizing speed

Imagine you're tracking, for example, vehicle or animal movement and receive regular GPS position updates. How would you visualize speed of movement on a static (= printable) map? I've been coloring ...
2
votes
1answer
897 views

What is the best way to visualize subsurface drillhole and borehole geology data within ArcGIS?

I've heard some folks in mining are using Target for ArcGIS extension by Geosoft to visualize and analyze subsurface drillhole and borehole geology data within ArcGIS. Does anyone have experience ...
2
votes
1answer
760 views

How to process topographic survey data in ArcGIS?

I am interested to find out how others process topographic survey data in ArcGIS. Often I am only given a text file or an Excel spreadsheet containing XYZ points and simple attribute information ...
10
votes
5answers
392 views

Displaying point data to reflect time/age

I have a layer of 3,000 points for a state, with each indicating the age of a specific type of building. What is a recommended visual display that effectively and equally highlights the age of these ...
3
votes
1answer
243 views

How can a single line be computed from multiple possibilities

I have datasets containing continuous GPS streams of data that represent routes or trails. For any given route, I probably have at least 5 (in some cases many more) different sets of data. Given that ...
8
votes
5answers
398 views

Another Student in Need of Career Advice

I would like to apologize in advance for asking yet another "what should I do with my life" type of question. I am currently a senior who is very close to finishing up my B.S. in Information Systems. ...
13
votes
6answers
1k views

What is the best method of visualizing a network on a map?

I have several hundred geo-referenced data points, and the relationships from that point, to other points. I'm trying to figure out the best way of visualizing this on an interactive map (possibly ...
10
votes
3answers
328 views

What's a good library for displaying many small maps on a web page

I would like to create a visualization on the web similar to the following: http://namemapper.babynamewizard.com/namemapper/ Are there any good libraries for doing this? Is OpenLayers light-weight ...
11
votes
6answers
979 views

Are there any convenient sources of color palettes to use in ArcGIS software while producing maps?

Are there any convenient sources of color palettes to use in ArcGIS software while producing maps?
7
votes
4answers
1k views

Data visualisation from OSM planet

In a similar idea to http://flowingdata.com/2010/05/25/world-atlas-of-flickr-geotaggers/ and http://flowingdata.com/2010/05/25/map-of-where-toursists-flock/ I would like to extract OSM planet data, ...
13
votes
6answers
866 views

What is the best way to visualize multiple large LIDAR tiles?

I want to load approximately 10 large LIDAR tiles for analysis. I have tried using ArcScene but it appears there is a limit on how much data ArcScene can handle at one time. Each tile is 65-90MB in ...