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Questions tagged [cartography]

127 questions
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Displaying names of countries/cities in russian language openstreetmap

I'm trying to implement maps service in my project. The project is focused to russian-speaking countries. But in future I hope to expand audience. The problem is that different services show different names. OSM shows local names- for example…
Александр Марунченко
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Cartography in R - how to plot numeric and binary values on a map?

I'm currently trying to produce two maps, one with multiple categoric values and one with continous numeric values, as in: link I have a dataset which provides the NPA and the two informations for each NPA: the item (category) and the Frequency (on…
Mathieu Avanzi
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Show admin labels for only one country via CartoCSS in Mapbox Studio

I'd like to show admin labels for only one country on a map of Latin America. I'm new to CartoCSS and can't figure it out. I tried inspecting the labels and couldn't discern any hierarchy in the OSM ids that might help.
gwezerek
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java transform projection EPSG:900913 to EPSG:4326

in the openlayers we can simple transform EPSG:900913 to EPSG:4326 I'm look for a java lib can do that. here I found this, http://www.jhlabs.com/java/maps/proj/index.html but the document is in c++ I don't know how to use it. If anyone konw…
user268129
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1 answer

using cartogram.js for visualizing information in a global map

I'm trying to adapt this example http://prag.ma/code/d3-cartogram/ to show information about obesity in 2002, 2005 and 2010 around the world. This the visualization: http://datauy.github.io/obesity-cartogram with a link to the code in the same page.…
gaba
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Turning a camera to a specific latitude/longitude (Google Earth API)

This is specifically a Google Earth API question, but any general geographical solution that can be adapted to it is fine, too. I'm using the Google Earth API to dynamically put a placemark somewhere on the Earth. Like all placemarks, it has a fixed…
nucleon
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Map shading based on distance

I have a google map which presents the distance from a particular location. The map consists of a set of polygons, where a polygon encircles an area which is the same distance from the point. So in other words, I colour a region which is between 0…
Baz
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How to aggregate and plot large datasets on a grid

I'm working with a dataset that contains coordinates and fishing effort (HF). Here is a sample of my dataset. The real dataset has 2985412 rows. Year Month Type SI_LONG SI_LATI HF 2008 04 OTB_DEF_>=70_0 -4.88 46.84 …
JulietteTC
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Overlay colors onto specific 1 degree x 1 degree grid squares in R

I am trying to color in specific grid cells within a map to highlight sampling effort. I can generate the map but then I am unsure how to utilize the data points I have to color in the entire grid cell. The data points I have are for the top left…
J_S_Moss
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Error downloading openstreetmap tile on react-native

I'm making a react-native application and I need to allow to use the map without internet. For this I download the tiles on the mobile with react-native-fs. I don't understand the following error: [Error: Unable to resolve host…
Atl31
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Adding a customized legend to a R raster spplot map

I would like to ask you for a few advices on a R cartography with Raster / spplot I am currently working on. I am a novice so I apologize in advance should the methods I used to be not at all optimal! => So: I have a raster object and almost got…
Quentin
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Cesium Cartesian3 move vertically up

I want to move a Cartesian3 position vertically up by x amount of units (e.g., meters). I DON'T want to convert it to Cartographic, add x to the altitude and covert back to Cartesian3. What would be the best way (performance-wise) to do this…
Ugnius Malūkas
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lyft/Cartography on EC2, is it possible?

I've been trying to Run cartography on my EC2 account for the last 2 days. I have no previous knowledge of Neo4j, But following their installation process doesn't work. First I've tried to install Neo4j using rpm instructions for Neo4J website, no…
Cesar Javaroni
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Adding Coordinates to Pan-Arctic Map on PlotSvalbard

I've been trying to map a series of coordinates onto a pan-arctic map using PlotSvalbard. My data is a list of decimal coordinates, each with an assigned name. I've tried using the transform_coord function to map the latitudes and longitudes to the…
Christian Daniell
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Counting arrays in D3 and getting that number to visualise map points

I am making cartographic visualisation in D3 with topoJson. I have visualised cities as points with a given radius. However, I want to see this attribute based on how many values I have there (let's say kindergartens in each city) - that is for…
mrakoplas
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