[pdal] SegFault with p2g pipeline

[Matthew Hanson]

I'm working off the PDAL master branch, and a fresh clone of p2g.

#define P2G_VERSION_STRING 1.3.0

pdal (PDAL 1.0.0.b1 (1634fc) with GeoTIFF 1.4.0 GDAL 1.11.0 LASzip 2.2.0)


Perhaps it's a problem with my input file?




Matthew Hanson
Applied GeoSolutions
(603) 659-3363 x91
http://appliedgeosolutions.com
mhanson at appliedgeosolutions.com


On Fri, Feb 6, 2015 at 8:08 PM, <pete.gadomski at gmail.com> wrote:

> Hello Matthew,
>
> I can't reproduce your results from the information provided. A
> PDAL+points2grid run works a-ok on my local system.
>
> Can you provide PDAL and points2grid versions? If you're on a Unix-style
> and have points2grid installed to /usr/local you can do:
>
>     cat /usr/local/include/points2grid/config.h | grep P2G_VERSION_STRING
>
> For PDAL:
>
>     pdal --version
>
> That might help track things down.
>
> Cheers,
> Pete
>
> --
> Pete Gadomski
> Physical Scientist
> Cold Regions Research & Engineering Lab
> pete.gadomski at gmail.com
> 530.440.4630
>
>
> On Fri, Feb 6, 2015 at 3:25 PM, Matthew Hanson <
> mhanson at appliedgeosolutions.com> wrote:
>
>> Hello,
>>
>> I'm currently trying to generate a tif file from a simple test las file.
>>   For now I'm just trying to spit out a tif of point density:
>> #####################################
>>  <?xml version="1.0" encoding="utf-8"?>
>> <Pipeline version="1.0">
>>   <Writer type="writers.p2g">
>>     <Option name="grid_dist_x">
>>       1.0
>>     </Option>
>>     <Option name="grid_dist_y">
>>       1.0
>>     </Option>
>>     <Option name="radius">
>>       3.0
>>     </Option>
>>     <Option name="filename">
>>       p2g-test
>>     </Options>
>>     <Option name="output_type">
>>       den
>>     </Option>
>>     <Option name="output_format">
>>       tif
>>     </Option>
>>         <Reader type="readers.las">
>>           <Option name="filename">
>>             input.las
>>           </Option>
>>         </Reader>
>>   </Writer>
>> </Pipeline>
>>  #####################################
>>
>> Unfortunately I get a segfault in the output:
>> #####################################
>>  (writers.p2g Debug: 3): X grid size: 522
>> (writers.p2g Debug: 3): Y grid size: 495
>> (writers.p2g Debug: 3): X grid distance: 1.000000
>> (writers.p2g Debug: 3): Y grid distance: 1.000000
>> numFiles 1
>> [0,494]
>> [0,494]
>> 0. file size: 18604080
>> 0: from 0 to 258390
>> 0: from 0 to 495
>> Merging 0: from 0 to 495
>>         0: from 0 to 0
>> Merging 0: from 0 to 495
>>         0: from 0 to 0
>> Output Execution time: 0.014058
>> Segmentation fault (core dumped)
>>
>> real 0m8.603s
>> user 0m7.747s
>> sys 0m0.619s
>>  #####################################
>>
>> Any clues on what could be going wrong?
>>
>> Thanks in advance!
>>
>>
>>  Matthew Hanson
>> Applied GeoSolutions
>> (603) 659-3363 x91
>> http://appliedgeosolutions.com
>> mhanson at appliedgeosolutions.com
>>
>>
>
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