MRT投影参数

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有没有人用过MRT对MODIS数据进行处理啊  重新投影的话转成Lambert Conformal Conic投影  这样的参数怎么设置啊 （如图） 还有那个Datum怎么选择呢？求大神指教啊
手册上说A special note for Lambert Conformal Conic projections: Although the standard parallels and latitude of
origin fields are both open for editing, enter a value into only one or the other. Setting standard parallels
effectively does the job of the latitude of origin in LCC projection, and having the OriginLat specified
as well as the STDPR1 and STDPR2 will place the projected output at inaccurate latitude/longitude
coordinates.是说  投影参数不用设置吗？