-1
votes
1answer
83 views

Extracting area with a range of lat long?

Is there any online tool to extract a certain area with a range of lat long? I'd like to overlay some locations on a map. To do so, I need a map whose range is specified so that I can determine the ...
1
vote
1answer
114 views

Help me to visualize polygon and point data [closed]

As part of pilot project, we have collected basic/rudimentary Household survey in one district. We have both Polygon and point data.Attributes of the database include, No of people living in the ...
1
vote
0answers
64 views

Looking for maps with high complexity

For an presentation I need an example of a map which contains very much information. The map should : respect basic cartographic principles. contain as much quantitive and/or qualitive information ...
6
votes
1answer
189 views

Fast data representation on the vector layers

I have found an interesting article about how HTML5 supports representation on large datasets. Article can be found here. In the article it is said that HTML5 and feature simplification can ...
6
votes
2answers
1k views

Building cartograms using Web GIS?

I would like to build a cartogram map using Web GIS. I have a basemap and a set of raw data in excel. I wondered what are the steps to build up a cartogram map using Web GIS? Note: Originally ...
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 ...
5
votes
2answers
427 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 ...
2
votes
1answer
717 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 ...
12
votes
6answers
813 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 ...