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From Russ Weeks <rwe...@newbrightidea.com>
Subject Re: Z-Curve/Hilbert Curve
Date Thu, 24 Jul 2014 17:31:04 GMT
Does it have to be a Z-curve? The excellent Accumulo recipes project has a
very easy-to-use geospatial index based on a quadtree.

https://github.com/calrissian/accumulo-recipes/tree/master/store/geospatial-store/src/main/java/org/calrissian/accumulorecipes/geospatialstore/support

-Russ


On Thu, Jul 24, 2014 at 10:17 AM, William Slacum <
wilhelm.von.cloud@accumulo.net> wrote:

> Quick google search yielded:
>
>
> https://github.com/GeoLatte/geolatte-geom/blob/master/src/main/java/org/geolatte/geom/curve/MortonCode.java
>
>
> On Thu, Jul 24, 2014 at 10:10 AM, THORMAN, ROBERT D <rt2357@att.com>
> wrote:
>
>>  Can anyone share a Java method to convert lat/lon (decimal degrees) to
>> Z-Curve (string)?  I need to order my geo-spatial data into lexical order.
>>
>>  v/r
>> Bob Thorman
>> Principal Big Data Engineer
>> AT&T Big Data CoE
>> 2900 W. Plano Parkway
>> Plano, TX 75075
>> 972-658-1714
>>
>>
>>
>

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