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楼主 |
发表于 2018-7-22 10:11:59
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MCIP/FAQ
What was the problem with the Spatial Allocator that caused the change to
GRIDDESC for WRF Lambert conformal between MCIPv3.4 and MCIPv3.4.1?
In MCIPv3.4, the reference latitude for the GRIDDESC and the I/O API headers
was selected arbitrarily (but conveniently) to be the first true latitude for
Lambert conformal projections. In the Spatial Allocator, the GIS utility
routine, PROJ4, gives the wrong result when the reference latitude is equal
to the first true latitude; the details have not been thoroughly investigated.
However, to work around this issue, the reference latitude for Lambert conformal
was arbitrarily changed to the average of the true latitudes, and the tangent
Lambert conformal case (which would have the average of the true latitudes
equal to the true latitudes...because there is just one) was temporarily
prevented in MCIP.
将第一第二经纬度修改过后可以继续往下运行 |
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