basemap and imshow at high latitudes

I have an issue with basemap.imshow() at higher latitudes - namely the
image (high-res topography, in this case) becomes distorted with
respect to the coastlines the higher I go. I assume it has to do
with the image pixels becoming more non-square the higher I go in
latitude.

I found this discussion:
http://matplotlib.1069221.n5.nabble.com/Basemap-and-imshow-td14115.html

where Jeff indicates that the user is using a non-rectangular map
projection. I'm thinking that is perhaps my problem (I'm using
Transverse Mercator), but I'm not sure which projections Basemap
supports that *are* rectangular.

Or perhaps it's something else entirely.

Any hints?

Thanks,

Mike Hearne

Hi Mike,

Do you have any code or an image to show the problem?

Cheers,

···

On 11 March 2013 20:44, Hearne, Mike <mhearne@…4305…4…> wrote:

I have an issue with basemap.imshow() at higher latitudes - namely the

image (high-res topography, in this case) becomes distorted with

respect to the coastlines the higher I go. I assume it has to do

with the image pixels becoming more non-square the higher I go in

latitude.

I found this discussion:

http://matplotlib.1069221.n5.nabble.com/Basemap-and-imshow-td14115.html

where Jeff indicates that the user is using a non-rectangular map

projection. I’m thinking that is perhaps my problem (I’m using

Transverse Mercator), but I’m not sure which projections Basemap

supports that are rectangular.

Or perhaps it’s something else entirely.

Any hints?

Thanks,

Mike Hearne


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