Error – Needs a valid observation object to perform the 64bit simulation.

[jihyung kim]

hello. i’m beginner to use optiFDTD.
when i simulate example ( OptiFDTD-Tutorial Ch.20 2D TF/SF simulation )
this error is occured ‘Error – Needs a valid observation object to perform the 64bit simulation.’
when i use 32bit trial version, i always success this simulation. but after use 64-bit optiFDTD, this error is occured continuous.
i want to know how solve this problem.

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[Scott Newman]

This particular question should be in the FDTD forum as opposed to system.

The reason your simulation is not working is that the TF/SF functionality was not ported to 64 bit version of the software. What device are you modelling? Also what version of the software are you currently using?

Scott

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