[gdal-dev] Creating transformed maps with gdal

[Daniel Suson]

I am working on a project that involves displaying astronomical data on 
various map projections using C++. I would like to use the gdal library 
to accomplish this instead of hard coding the various projections. In 
the project I have a matrix representing the sky in RA/dec coordinates 
(astronomical equivalent to longitude/latitude) at whatever resolution 
is required. The resulting matrix is essentially geodetic in that it has 
a constant 2:1 ratio. I would like to take this matrix and create a map 
(say using the Mollweide projection as an example) that can then be 
displayed on the screen by the program. I've been looking at the c++ api 
and have found some candidate functions, but they all use data inputted 
from and outputted to files. Can anyone point me to examples that work 
with data stored in and written to memory, or else give me some ideas of 
where else to look for this within the library?

Thank you,
Dan

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