[GRASS-user] problem with t.rast.mapcalc (grass71 daily ubuntu 14.04)
Leonardo Hardtke
leohardtke at gmail.com
Wed Sep 9 11:05:43 PDT 2015
Dear GRASS users (and developers?!),
I'm facing a problem with an expression in the t.rast.mapcalc module...
t.rast.mapcalc inputs=QA_mask,ndvi,ndvi_smooth_spacetime
expression="if(QA_mask==0,ndvi,ndvi_smooth_spacetime)" output=ndvi_fixed
basename=ndvi_fixed
It throws the following error:
Starting temporal sampling...
Starting mapcalc computation...
Invalid map
<MOD13Q1.A2009017.h12v12.005.2009035110230_01_4326_smooth_spacetime_0>
Parse error
ERROR: parse error
ERROR: Error while mapcalc computation
The QA_mask maps are:
QA_mask_01|PERMANENT|2009-01-01 00:00:00|2009-01-17 00:00:00
QA_mask_02|PERMANENT|2009-01-17 00:00:00|2009-02-02 00:00:00
......
The ndvi_smooth_spacetime maps are:
ndvi_smooth_spacetime_0|PERMANENT|2009-01-17 00:00:00|2009-02-02 00:00:00
ndvi_smooth_spacetime_1|PERMANENT|2009-02-02 00:00:00|2009-02-18 00:00:00
...........
The ndvi maps are
MOD13Q1.A2009001.h12v12.005.2009019145228_01_4326|PERMANENT|2009-01-01
00:00:00|2009-01-17 00:00:00
MOD13Q1.A2009017.h12v12.005.2009035110230_01_4326|PERMANENT|2009-01-17
00:00:00|2009-02-02 00:00:00
M
As you see, there is no such a map like..
MOD13Q1.A2009017.h12v12.005.2009035110230_01_4326_smooth_spacetime_0
I guess the module is mixing ndvi (a temporal dataset) with
_smooth_spacetime... the second part of the name....
I know it work ok by renaming the ndvi_smooth_spacetime by something
else... but... is this a bug or shoul I use more '`" to protect names !?
Thanks!
--
Dr. Leonardo A. Hardtke
Laboratorio de Teledetección y S.I.G.
Centro Nacional Patagónico (CONICET)
Bvd. Brown 2825, 9120
Puerto Madryn, Chubut, Argentina
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