[FEATURE] Support Circumpolar projection #3229
Description
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No
Who request this Feature
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Artic SDI
User Story
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We want to support the circumpolar projection EPSG:3573
This is the basemap: http://basemap.arctic-sdi.org/mapcache/wmts/?request=GetCapabilities&service=wmts
https://arctic-sdi.org/services/topografic-basemap/
Implementation UI
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Additional context
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