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Questions tagged [geographics]

Questions on the family of Geo* functions, e.g. GeoGraphics, GeoEntities etc.

2
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0answers
24 views

Geographics Geolabels and Polygons

Using Vers. 11.3.0, I've prepared Maps of the various Japanese Prefectures (ken). Here, I create 3 such maps, as follows: ...
1
vote
0answers
26 views

GeoGraphics unable to download data for a given ranges from the Wolfram geo server [on hold]

Lately I'm having problems evaluating GeoGraphics functions in Mathematica (version 11.3). For example, when I attempt to evaluate: ...
2
votes
1answer
30 views

Constant disk size on GeoGraphics Image

I would like to know how to generate a constant disk size on a GeoGraphics image. Currently my code is something like this: ...
5
votes
1answer
71 views
4
votes
0answers
42 views

Importing and and manipulating large GEOJSON files based on geographic locations

I have large GeoJson data files that I would like to import (i.e. buildings in a city, see image below for data structure) and then "cut out" only the buildings that are within approx. 100 GeoDisks (...
3
votes
2answers
66 views

How to insert short version of county names into a Geo Region Value Plot map

I have the following counties in Florida : ...
2
votes
1answer
98 views

For loop within GeoGraphics

I'm trying to plot a map with a list of destinations as Disks. I first input the cities into a list such as: ...
9
votes
2answers
111 views

Finding position at given distance in a GeoPath

Is there a way to find the geoposition of a given distance from start in a GeoPath? I want to mark equidistant positions along a track, for example, a mark every ...
7
votes
2answers
150 views

How to use an EntityClass

The two formats documented for EntityClass are ...
5
votes
1answer
47 views

BarLengend for GeoStyling[“ReliefMap”]

I would like to add a BarLegend for the elevation values used by the GeoBackground -> GeoStyling["ReliefMap"] option of ...
3
votes
2answers
194 views

How to get this Europe map using Mathematica?

I need to generate a Europe map with given lattitue limit and longitute limit as shown in the attached figure. I want the map to be more detailed and colorful (attractive). Furthermore, if I want to ...
2
votes
1answer
49 views

Inset in GeoGraphics

how to place Inset (or custom GeoLabels) in GeoGraphics? I've tried this ...
10
votes
5answers
212 views

Generating different GeoPaths for multiple equivalent segments

Is there an efficient and elegant method so that multiple calls of GeoPath for the same segment (path) yield visibly separate segments on a map? For instance, this ...
3
votes
1answer
61 views

Image Adjustment wipes out overplots?

I'm having a problem where when I display lines over an image (using Show) it works fine, but if I adjust the image colors first (using either ...
2
votes
1answer
79 views

Annotate a vector using GeoGraphics

I start with the following "annotation function": ...
1
vote
0answers
54 views

GeoGraphics Question

I have the new and I have the following (simple) questions: I want to align the label (example Netherlands with flag) to be drawn at the graphics boundaries. Make an arrows between the label and the ...
8
votes
0answers
61 views

Adding a new GeoProjection?

The documentation for GeoProjectionData gives a list of supported GeoProjections. I was not able to find any documentation on ...
3
votes
1answer
47 views

Matching Aspect Ratios between two GeoGraphics with Entities for GeoRange

I'm making a basic 50-state map of population (using a log scale). Given the usual crucible of figuring out what to do with Hawaii and Alaska, I thought I would make the same ...
8
votes
1answer
100 views

How to make GeoListPlot rectangular?

I have a GeoListPlot as below:- gr = {{20, 70}, {-30, 30}}; GeoListPlot[Entity["City", {"Paris", "IleDeFrance", "France"}], GeoRange -> gr] As you can see, ...
3
votes
1answer
37 views

How to get the coordinates of the 4 vertexes of a GeoListPlot?

I have a GeoListPlot as below. How can I get the latitude/longitude coordinates of the 4 vertexes of the GeoListPlot? I need the ...
0
votes
1answer
49 views

Problem with resolution of exported image

I want to make a map (of Germany) with certain positions marked. This is just a MWE, in fact there are much more positions. What I did: ...
5
votes
1answer
55 views

How to remove the undesired border of the GeoGraphics?

I have created an image of Europe as below:- ...
1
vote
1answer
53 views

GeoGraphics added to a current GeoGraphics object

I need to make a GeoGraphics[] object then save it to disk, move it to another computer where I need to load in the object then add some more ...
4
votes
1answer
98 views

How to use GeoStyling[“OutlineMap”] as GeoBackground for GeoHistogram?

Say I have some location data. SeedRandom[123] locs = GeoPosition[ Reverse[RandomPoint[Rectangle[{-88.6273, 29.6616}, {-84.2036, 32.7994}], 400], 2]] I want to ...
0
votes
0answers
57 views

Overlap contourplot and world map [duplicate]

I am trying to plot a list of {latitude,longitude,f(latitude,longitude)} values over a mercator projection. I tried a generic periodic function in spherical coordinates, but the output looks wrong. I ...
0
votes
0answers
51 views

Mapping votes in 2016 US election

I want to use Mathematica to plot a map of the 2016 US presidential votes, shaded by county rather than state - i.e. like the wikipedia image: ...but zoomed in on just the south-east of the US. Is ...
7
votes
2answers
238 views

Map of Ancient Rome

I managed to generate a map of the Italic Peninsula with the borders corresponding to 250BC. Is there a way I can shade the area of the Roman empire of the time? ...
1
vote
1answer
98 views

A Mathematica analog to drawing an ellipse in AutoCAD

My real name is Wilhelm Doofenschmirtz. While my cousin is busy taking over the tri-state area, I am attempting Illinois. What I am trying to do is figure out an easy way to make an ellipse over a map,...
6
votes
1answer
116 views

Automatic GeoZoomLevel

I was wondering what the automatic GeoZoomLevel for Mathematica was. For instance, GeoGraphics[Entity["City", {"NewYork", "NewYork", "UnitedStates"}]] seems to ...
3
votes
1answer
73 views

Difficulty using pre-made plots with Manipulate

I am using the GeoGraphics function to create a "Hammer" projection of the sky to plot astronomical data. Since every data set has to be mapped using the Hammer projection algorithm individually I am ...
0
votes
0answers
43 views

GeoTiff data import problem, bug?

I imported land cover classes from a GeoTiff file created in QGIS, where the classes are coded by discrete values (NLCD nomenclature). But it seemed the import function mirrors the values (maybe a bug)...
3
votes
1answer
101 views

GeoArea of an Intersection

I am looking to calculate the geographic area of an intersection of a GeoDisk with a geographic entity such as a county. I was hoping for a simple construct like: ...
4
votes
2answers
199 views
1
vote
1answer
63 views

Which Question about plotting a location on a map.

I am plotting the wind speed vectors of hurricane Harvey on a graph and I want to add a dot located at coordinates of Dallas. ...
0
votes
1answer
67 views

Trying to plot points of rainfall during Harvey on a map of Texas and color code points

I am trying to plot lat, lon, and maximum rainfall of hurricane Harvey on a Map of texas. I have gathered all the data inside Mathematica using station names and the WeatherData function. This is the ...
6
votes
2answers
104 views

GeoGridLines behind Continents in GeoGraphics Plot?

I have the following code to create a Bonne projection of the Earth: ...
3
votes
0answers
113 views

Adjusting opacity in map overlays

I am currently working with rainfall data from hurricane Harvey in order to better understand how to allocate resources in the event of another disaster. I want to accomplish a few things given this ...
4
votes
0answers
76 views

DynamicGeoGraphics misplaces dynamic Points

Bug introduced in 10.4 and persisting through 11.2 CASE:3971576 I need to highlight a selected point in a DynamicGeoGraphics. I use a ...
2
votes
0answers
66 views

Drawing courses of rivers on a GeoGraphics ReliefMap [closed]

Is there a way to overlay selected rivers as black lines onto a GeoGraphics ReliefMap?
2
votes
1answer
112 views

World relief map, but only of the landforms

I want to create a map of the world's terrain (i.e. using GeoStyling["ReliefMap"]), but one that only shows the relief on the land, and not in the oceans (i.e. ...
10
votes
2answers
366 views

How many Capitals are closer to me than my own?

A recent question in chat about "When you are in Aachen, Germany, five other countries capitals are closer than Berlin." triggered me to try to write something to find the cities automatically for ...
6
votes
1answer
216 views

How can I get the country name when I put the mouse on the map?

How can I get the country name when I put the mouse on the map? CountryData["World", {"Shape", {"Equirectangular", {0, 180}}}]
1
vote
0answers
62 views

GeoGraphics: road labels

I am using Mathematica 11.2.0. My question is: How can I reveal all available state/interstate route labels? ...
3
votes
3answers
173 views

GeoListPlot and ListContourPlot

I'm doing a research and I have to add to a GeoListPlot a ListContourPlot, but it doesn't work with simple ...
3
votes
1answer
184 views

High resolution map of the world with “ReliefMap”, country borders and main cities

I would like to generate a plot of a map of the world: for A0 (1189mm × 841mm) one needs 3370 × 2384 points for 72ppi it should range from south - north: {-90, +90}; east - west {-185, +185} <...
4
votes
2answers
150 views

Annulus from GeoDisks: drawing a ring on a map

Good afternoon! I am trying to draw a shaded ring on a map. The first step I tried was a simple disk. I achieved this with the following: ...
8
votes
1answer
167 views

How can I use multiple overlaid map layers (e.g. basemap, labels) in GeoGraphics?

We can use GeoServer to use map tiles from an external service. There are many compatible services: Which external services are compatible with GeoServer? These ...
11
votes
3answers
386 views

Which external services are compatible with GeoServer?

Using the GeoServer option, it is possible to load map tiles from external services. Which services are compatible with ...
5
votes
3answers
369 views

How to add city markers to a map of Germany?

I'm trying to draw markers for a list of Germany ZIP codes onto a map. Following the official documentation, it seems as if using GeoMarkeron values like ...
3
votes
1answer
101 views

How to keep EdgeForm Thickness within GeoBoundsRegion in GeoGraphics?

I have several abutting GeoBoundsRegions that I need to colour with thick borders. The issue I am having is that ...