Questions tagged [arctic]
Use this tag for Questions which are specific to the Arctic Region.
13
questions
0
votes
1answer
29 views
Display NSIDC arctic ice extent using PolarMap.js?
I'm a newbie in GIS. I've built a map of an expedition across the arctic region, but right now the trek is displayed across the ocean. To fix this, I've tried to integrate ice extent shapefiles from ...
1
vote
0answers
48 views
Using North Pole Orthogonal projection in QGIS?
I was looking for the North Pole Orthogonal projection in QGIS but I haven't found it yet.
Is there any way to add this projection in CRS?
2
votes
1answer
58 views
Identifying coordinate system of historical map for Arctic Ocean?
I have a historical map (Arctic Ocean) with unknown CRS system.
In order to compare it with my results, I have to merge them somehow.
Could someone suggest the closest possible coordinate ...
1
vote
1answer
38 views
Applying xyz translation vector derived from IceSAT altimetry to an ArcticDEM strip?
Laser altimetry data from the NASA IceSAT spacecraft is used to compute x, y, and z offsets for ArcticDEM strip files. The values of these offsets are contained within the DEM metadata, but are not ...
1
vote
0answers
51 views
QGIS - points at the North and South Pole disappear in the composer
I am using QGIS 3.4 to produce maps of the Arctic and Antarctic with weighted points from a csv file.
I noticed that I lose the points at the North and South Pole when I add the map in the composer. ...
1
vote
1answer
141 views
Failed to load ArcGIS JS API polar satellite map
I am trying to draw satellite map with polar (Arctic) projection using ArcGIS JS API. Firstly I load default (Mercator) satellite map and it works fine. Then I change map spatialReference to polar the ...
0
votes
0answers
41 views
Calculating area for polygons in arctic areas
We are evaluating areas of ecological importance in the arctic. The asset areas are of different sizes (up to 10 square kilometres) from latitudes 64 to 80 degrees north. The areas also vary in ...
2
votes
1answer
59 views
Google maps slice arctic
I am developing earthquake visualization web-app for arctic zone using Google Maps JavaScript API. During the development I found Google Maps doesn't display map above approximately N85 degree, if you ...
2
votes
0answers
466 views
How can I rotate a map layer in QGIS so that center of map always have north upwards?
I'm working in the polar regions and make maps in different scales. The convention is to show e.g. the Antarctic continent with the prime meridian upwards on the map and polar stereographic projection....
3
votes
1answer
191 views
How to correct aspect values in a North Pole Stereographic projection?
I'm working on a DEM in the Arctic region (initially in a NAD83 coordinate system) and I projected it into a North Pole Stereographic Cartesian coordinate system to compute slope and aspect. Now, ...
0
votes
1answer
91 views
Identifying coordinate system of Wetterzentrale maps?
I'm trying to georeference two maps from wetterzentrale in ArcGIS Desktop.
In what coordinate system are those maps created?
8
votes
2answers
273 views
Choosing polar projection and tiling scheme for web mapping of polar regions?
I am looking for examples of web maps focusing on polar regions (Arctic or Antarctic) preferably using a polar projection.
What polar projection and tiling scheme could be used for such web mapping ...
8
votes
7answers
7k views
Intersection algorithm that correctly handles 180° meridian and poles?
Is there a well known intersection algorithm that correctly handles 180 meridian and poles?
For example, let's say we have a list of latitude and longitude values that represent Antarctica. Let's ...
