Dear Dr.Steven and meep users, I have a question of the command "in-volume". I am trying to take out the data using "in-volume". And I use a 2d-TM planewave as source. ........ (set! resolution 10) (in-volume (volume (center 0 1 0) (size 2 0 0)) output-efield-z)) .............. I got 22 Ez.along x-axis from -1 to 1. Why the number of Ez is not 23, but 22? Why is not Ez at points (-1,0), (-0.9,0), (-0.8,0),(-0.7,0), (-0.6,0), (-0.5,0),(-0.4,0), (-0.3,0), (-0.2,0),(-0.1,0), (0,0), ........(1,0) plus two extra pixels on each boundary? Thanks in advance. Lei
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