[gdal-dev] Reprojecting Blue Marble Data

Jed Fong fongjd at gmail.com
Fri Jul 2 12:31:24 EDT 2010


I am currently working on a web project in which I need to be able to show
global imagery in different projections using OpenLayers.  I plan to use the
Blue Marble data that is available from NASA.  I have a few questions for
those who have worked with this data before.

1. How hard is it to convert a non-geolocated Cylindrical Equidistant image
to a projection such as Polar Stereographic North (GeoTiff format)?  Does
anyone have an example of this being done?
2. Does anyone know whether GeoServer or MapServer is better for serving up
data in different projections?  Can either of them reproject raster data
on-the-fly (Ex: Lambert Conformal Conic requesting data based on
tangent/secant lines)?

I would appreciate any help or direction that can be given.

Thanks,
Jed
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