From a19ee90ddd234a80e4720a388e122f8ca7c1fc10 Mon Sep 17 00:00:00 2001 From: Howard Butler Date: Sun, 7 Jun 2015 10:53:12 -0500 Subject: [PATCH] a note about lidar2dems --- doc/stages/writers.p2g.rst | 27 +++++++++++++++++++++------ 1 file changed, 21 insertions(+), 6 deletions(-) diff --git a/doc/stages/writers.p2g.rst b/doc/stages/writers.p2g.rst index ec2b81cd54..52f286493e 100644 --- a/doc/stages/writers.p2g.rst +++ b/doc/stages/writers.p2g.rst @@ -3,7 +3,22 @@ writers.p2g =========== -The **points to grid writer** takes in a stream of point data and writes out gridded summaries of the stream. Each cell in the output grids can give one of the: minimum value, maximum value, average value, average value, inverse distance weighted interpolation (for sparse points), or density. The points to grid writer supports creating multiple output grids simultaneously, so it is possible to generate all grid variants in one pass. +The **points to grid writer** takes in a stream of point data and writes out +gridded summaries of the stream. Each cell in the output grids can give one of +the: minimum value, maximum value, average value, average value, inverse +distance weighted interpolation (for sparse points), or density. The points to +grid writer supports creating multiple output grids simultaneously, so it is +possible to generate all grid variants in one pass. + + +.. note:: + + A project called `lidar2dems`_ by `Applied GeoSolutions`_ integrates the P2G + writer and other PDAL components into a series of scripts and utilities that + make it more convenient to do DEM production with PDAL. + +.. _`lidar2dems`: https://github.com/Applied-GeoSolutions/lidar2dems +.. _`Applied GeoSolutions`: http://www.appliedgeosolutions.com/ Example ------- @@ -69,20 +84,20 @@ Options ------- grid_dist_x - Size of grid cell in x dimension [Default: **6**] + Size of grid cell in x dimension [Default: **6**] grid_dist_y - Size of grid cell in y dimension. [Default: **6**] + Size of grid cell in y dimension. [Default: **6**] radius ??? [Default: **8.48528**] - + filename Base file name for output files. [Required] - + output_type One or many options, specifying "min", "max", "mean", "idw" (inverse distance weighted), "den" (density), or "all" to get all variants with just one option. [Default: **all**] output_format File output format to use, one of "grid", "tif", or "asc". [Default: **grid**] - +