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https://github.com/hobuinc/hexer
LAS and OGR hexagonal density and boundary surface generation
https://github.com/hobuinc/hexer
Last synced: about 2 months ago
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LAS and OGR hexagonal density and boundary surface generation
- Host: GitHub
- URL: https://github.com/hobuinc/hexer
- Owner: hobuinc
- License: other
- Created: 2013-04-08T14:15:59.000Z (over 11 years ago)
- Default Branch: master
- Last Pushed: 2022-10-12T18:08:37.000Z (almost 2 years ago)
- Last Synced: 2024-05-08T16:08:55.339Z (4 months ago)
- Language: C++
- Homepage:
- Size: 5.57 MB
- Stars: 61
- Watchers: 6
- Forks: 7
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- License: COPYING
Awesome Lists containing this project
- awesome-starred - hobuinc/hexer - LAS and OGR hexagonal density and boundary surface generation (others)
README
# Hexer - Hexbin density and boundary generation
Hexer is a [LGPL] C++ library that provides some classes for generating
hexbin density surfaces and [multipolygon] boundaries for large point sets. I use
the code for generating boundary polygons of large [LiDAR] collections, but it is
useful in other contexts.
Hexer supports two operations at this time, density and boundary. You
use hexer through the curse command:
```
[howardbutler@ardere hexer (master)]$ ./bin/curse --help
--------------------------------------------------------------------
curse (hexer 1.0.0 at revision eca953 with GDAL 1.10dev)
--------------------------------------------------------------------
Command:
--input arg Input point set to curse
--command arg Command to run on points ('boundary' or 'density')
--output arg Specify an OGR-compatible output filename to write
boundary. stdout used if none specified.
Basic:
-h [ --help ] This help message
--version Show version info
Boundary:
--edge arg (=0) Edge distance of hexagon
--count arg (=0) Number of points that must be in polygon for it to be
positive space
For more information, see the full documentation for hexer at:
http://github.com/hobu/hexer
```
```
$ curse boundary mypointfile.shp --output myboundary.shp
$ curse density mylasfile.las --output myhexagons.shp --edge 100
```
[LGPL]: http://www.gnu.org/licenses/lgpl-2.1.html
[LiDAR]: https://en.wikipedia.org/wiki/LIDAR
[multipolygon]: http://en.wikipedia.org/wiki/Well-known_text
[map]: http://a.tiles.mapbox.com/v3/hobu.serpent-mound.html#16.00/39.0346/-83.4353