Questions on the application of Mathematica to geography, including the use of the CountryData and CityData functions. Not to be confused with geodesy.

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9
votes
0answers
142 views

Make the map of rivers and lakes of the country

As I understand,first of all I should to get the country's map and the river's list. To get country map is simple: ...
8
votes
0answers
142 views

Odd Coloring with GeoRegionValuePlot

Bug introduced in 10.0 and persisting through 10.3 or later Bug behavior is version dependent When I'm plotting data with GeoRegionValuePlot, I'm getting some ...
6
votes
0answers
137 views

Trouble understanding TrackedSymbols

While developing a relatively complex demonstration for Manipulate I encountered the problem that my output was unintentionally self-updating in an endless loop. ...
6
votes
0answers
237 views

CountryData fails for some tags and properties

The problem has gone, presumably resolved by WRI. See kirma's comment. I'm using Mathematica 10.0.2 for Mac, and for the first time just tried CountryData. ...
4
votes
0answers
45 views

How can I define geographic regions and new entities?

There are three functions (GeoListPlot, GeoGraphics and Entity) related to working with geographic regions but it is not clear from the documentation how to create new Entities or custom geographic ...
3
votes
0answers
63 views

Planning flights for a special route

I want to plan a world trip with Mathematica. So I already have the dataset with all the cities I want to visit and the tour (with the command FindShortestTour). So ...
3
votes
0answers
137 views

Problem drawing a GeoPath polygon with GeoGraphics

I want to draw some polygons bounded with various geographic coordinates. For example, here is the code to draw a triangle between New York, Cape Town and Beijing. ...
2
votes
0answers
258 views

Compact Map of USA with Alaska and Hawaii shown under California

Is there a more efficient way to include Alaska and Hawaii on a compact US map than the combination of the three GeoGraphics with Insets shown below? ...
1
vote
0answers
46 views

Can I import (and repair) damaged GIS shape files?

Five GIS shape files are available online at http://www.utahcounty.gov/OnlineServices/maps/DataLayers.asp. Mathematica 10 imports 4 of the 5 files just fine (in the sense that, after download, ...
0
votes
0answers
74 views

GeoLabels/Tooltips in Geographic Plots from Dataset

I am looking to plot a list of list of regions, and attach some data to the GeoLabel. All the data is stored right now in a Dataset that contains entries of the form ...