The representation of data in a viewable medium or format

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5
votes
2answers
159 views

Why the modifications I do in QGIS doesn't appear when I save an OSM file I created?

Through QGIS I loaded an OSM file I created and I'm trying to visualize what happens with the file in terms of codes after some modifications like adding points, lines or polygons. But the problem is ...
4
votes
1answer
260 views

Looking for interactive map visualization software that allows user input

I am looking for a software tool that allows to create maps which can be customized by the user later on. To be more concrete: the user should be able to choose different indicators, create his own ...
10
votes
1answer
645 views

How to visualize azimuthal data with uncertainties?

I am trying to make a figure showing azimuthal data with a different range of uncertainties at each point. This oldschool figure from a 1991 paper captures the "bowtie plot" idea that I'm aiming for: ...
7
votes
1answer
676 views

How to adjust the granularity of a heat map in QGIS?

Not sure I am using the correct terminology here, so I have tried to describe my problem in detail. Please edit as needed. I have a layer of points, a layer of roads and a heat map in a raster layer. ...
7
votes
4answers
1k views

Visualization of satellite image - directly in python

Is there any way (a package or what not), to visualize a geotiff image directly in Python? I don't want to use ENVI or ArcGIS or anything else. Thank you in advance.
3
votes
1answer
515 views

Visualization libraries for rendering 3D GIS world on iOS/Android

Are there any good 3D libraries/frameworks for rendering 3D worlds in geospatial coordinates on mobile platforms? Use case: I have some known 3D geospatial features (eg. buildings) with their ...
0
votes
0answers
711 views

Plot poly-lines between few points in D3+Polymaps

I would like to create polyline on the click of the mouse. I have 4 circles 3 with radius 2 (Lets name it as B,C,D) and 1 with radius 8 (Lets name it as A). Now when I click on the circle A, poly line ...
1
vote
2answers
141 views

Display Rectangular Data Grid

I'd like a Linux program which displays ASCII ArcGrid files (NxM rectangular ASCII data grids which may have either integer or floating point values). There is no practical upper or lower limit to ...
2
votes
0answers
244 views

Developing maps using Tile Mill and Processing(.org)?

I had a small question. I actually would like to build an application which is very similar to this but as a map and not on “Multi touch Table Top”. The functionality I need is Plot different ...
1
vote
2answers
3k views

How to visualize grd files in Quantum GIS?

How to visualize grd files in the software Quantum GIS?
15
votes
6answers
2k views

What are some 3D visualisation tools that successfully work with GIS data?

There are a large number of 3d modelling tools available (both open and closed source). I would like to be able to: Import GIS data into a 3d environment and retain georeferenceing. Retain the ...
7
votes
5answers
680 views

What are the main fields of applications of 3D GIS?

I'm doing a scholary research on 3D GIS but i have some problems in finding where they are used. Does anyone know of any real life examples where 3D GIS has been adopted?
4
votes
1answer
659 views

How to use/interpret/visualise a distance matrix with unknown coordinates?

How would you go about using a distance matrix where points have no coordinates, i.e. what useful statistics can be made and how to visualise it in some useful way?
9
votes
1answer
413 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
1k 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
2k 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
358 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
884 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 ...
28
votes
3answers
8k 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
277 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
436 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
480 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
422 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
1k 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
697 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
588 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
491 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
411 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
815 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
976 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
625 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
759 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
868 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
3k 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
5k 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
622 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, ...
27
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
746 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
285 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 ...
170
votes
49answers
45k 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 ...