LiDAR mosaic question

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07-22-2016 08:01 AM
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New Contributor

Hi,

I’m trying to combine LiDAR from two different sources into one file using the mosaic function. I then need to convert the resultant file into ascii format. I’ve been trying to do this in Arc using the mosaic function, before I export it to other software to build a ground model and carry out the hydraulic computations that are needed. The problem is that the ascii file I end up with is enormous, around 50X the size that I was expecting. Can anyone please let me know what might be going wrong?

Many thanks,

Nick

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MVP Esteemed Contributor

ascii files will be larger than their binary equivalent, nothing is wrong.  What other formats does the destination software support?

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New Contributor


Hi Dan, thanks for getting in touch. It will accept .txt, .asc or .igm files. Not a great choice I'm afraid.

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MVP Esteemed Contributor
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New Contributor

No, IGM. Infoworks format.

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MVP Esteemed Contributor

It appears you have your limits drawn, text will be text and much larger by default

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New Contributor

OK, thanks anyway.

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