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up vote 11 down vote favorite

I have a .lpk file from ESRI that I would like to convert to a shapefile. How can I do this, using only free software?

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The lpk I recently attempted to open was a 7z compressed file, it offers very good compression but it isn't possible to open it on the default zip client on Windows 7 64 bit, 7Zip is a good Windows client for opening it. The currently available ArcGIS Explorer Build 1750 also fails to open this lpk, I hope the new Build 2500 which is should be available soon addresses this. – seumas Feb 11 at 11:58

2 Answers

up vote 9 down vote

I don't think I've ever seen this officially documented, but a layer package is a zip file that contains a .lyr file and a file geodatabase. You can change the file extension to .zip, unzip it and then, if the layer package was create with 10, read/export features to shapefiles using OGR.

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up vote 0 down vote

LPK is a proprietary layer package (zip file) made by ESRI.
I stand corrected. See Zach's answer
Converting to shape file is another matter.
If the originating data is gdb then the resulting lpk unzips to a file gdb. HTH

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