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Hi Daniel,

I use the “CROP2D” by command line. My polyline have 848 points.
It seems that these 848 points have exceeded the maximum length allowed by command line.

would you please tell me how to solve this problem ?

Many thanks in advance!

Hum, interesting. This tool has clearly not been designed to crop a cloud with such a big polyline! And I fear there's no other way of specifying a clipping polyline...

Yeah, but finally I've made it out by using "subsample" to control the number of polyline's vertices within 314. According to the result, it seems that 314 numbers are enough to do that, 848 is not necessery.
Thanks so much for your reply!