Vector disposition

Hello, I draw (wind) lineArrow vectors with gsn_csm_vector_scalar_map, and the disposition of the vectors change depending on the differents areas i'm dealing with. sometime they appear in "sqaure" shape : ==>   ==> ==>   ==> and sometimes in "diamond" shape :       ==> ==>      ==>       ==> Is it possible to force one shape? Thanks in advance. Yann.

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Received on Sun Feb 10 02:07:54 2013