Hi Roberto,
What do you mean by using a higher low threshold? Can you show what change you
made to the XML?
Sounds like it needs a bit of debugging but you’re the only one who’s got the
setup for building SPDLib on Windows - I don’t have it setup here, something to
do at some point...
Cheers, Pete
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On 26 Sep 2014, at 10:16, Roberto Antolín <[email protected]> wrote:
> Hi,
> I am experiencing the same error on windows but with a different set
> of metrics. In my case considering a higher lowthreshold value did the
> trick
>
> Roberto
>
> 2014-09-18 11:33 GMT+02:00 Rajashekar Gopalakrishnan
> <[email protected]>:
>> Hi,
>>
>> I'm trying to make a HSCOI image using the spdlib executables from the
>> spdlib_win64_bin_20140806.zip. I am running it on Win xp 64 bit. spdmetrics
>> crashes and does not produce a result
>>
>> Could you please point me in the right direction.
>>
>> I have listed my command sequence and other details below
>>
>> Thanks
>> gr
>>
>> The sequence of commands I used is below (input las file is an unprocessed
>> aerial Lidar file of area ~ 200 x 200m with point density about 10 pts per
>> sq m)
>>
>> spdtranslate --if LAS --of SPD -x FIRST_RETURN --input_proj utm43.wkt -b 1
>> -i california_tower_site_dsm.las -o calspd.spd
>>
>> spdmccgrd -i calspd.spd -o calspd_grd.spd
>>
>> spddefheight --interp --in NATURAL_NEIGHBOR -i calspd_grd.spd -o
>> calspd_grd_h.spd
>>
>> spdmetrics --image -f GTIFF -m spdmetrics.xml -i calspd_grd_h.spd -o
>> calspd_metrics.tif
>>
>> -----
>> I:\LIDAR\sample\TLS2>spdmetrics --image -f GTIFF -m spdmetrics.xml -i
>> calspd_grd
>> _h.spd -o calspd_metrics.tif
>> spdmetrics SPDLib 3.1.250, Copyright (C) 2014 Sorted Pulse Library (SPD)
>> This program comes with ABSOLUTELY NO WARRANTY. This is free software,
>> and you are welcome to redistribute it under certain conditions; See
>> website (http://www.spdlib.org). Bugs are to be reported on the trac
>> or directly to [email protected]
>> Reading XML file: spdmetrics.xml
>> 3 metrics where found.
>> Using native resolution for processing
>> Executing for metrics:
>> hscoi
>> NReturnsGt2m
>> CanopyOpeness
>> Processing block 1 of 3 blocks
>>
>> spdmetrics crashes at this point and does not produce a result
>>
>> ----------
>>
>> contents of xml file
>> <?xml version="1.0" encoding="UTF-8" ?>
>> <!--
>> Description:
>> XML File for execution within SPDLib
>> This file contains a template for the
>> metrics XML interface.
>> -->
>>
>> <spdlib:metrics xmlns:spdlib="http://www.spdlib.org/xml/";>
>> <spdlib:metric metric="hscoi" field="hscoi" return="All" class="NotGrd"
>> vres="1"/>
>> <spdlib:metric metric="numreturnsheight" field="NReturnsGt2m"
>> return="All" class="NotGrd" lowthreshold="2" />
>> <spdlib:metric metric="divide" field="CanopyOpeness" >
>> <spdlib:metric metric="numreturnsheight" field="NReturnsGt2m"
>> return="All" class="NotGrd" lowthreshold="2" />
>> <spdlib:metric metric="numreturnsheight" field="NReturns"
>> return="All" class="All" />
>> </spdlib:metric>
>> </spdlib:metrics>
>>
>>
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>
>
>
> --
> Roberto
>
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