[postgis-tickets] [PostGIS] #4102: rt_grayscale fails on raspberrypi

[PostGIS]

#4102: rt_grayscale fails on raspberrypi
--------------------+---------------------------
 Reporter:  komzpa  |      Owner:  Bborie Park
     Type:  defect  |     Status:  new
 Priority:  medium  |  Milestone:  PostGIS 2.5.0
Component:  raster  |    Version:  trunk
 Keywords:          |
--------------------+---------------------------
 Raspbian / RPi3.

 {{{
 PostgreSQL 9.6.7 on armv7l-unknown-linux-gnueabihf, compiled by gcc
 (Raspbian 6.3.0-18+rpi1) 6.3.0 20170516, 32-bit
   Postgis 2.5.0beta1dev - r16605 - 2018-06-03 14:17:34
   scripts 2.5.0beta1dev r16605
   raster scripts 2.5.0beta1dev r16605
   GEOS: 3.5.1-CAPI-1.9.1 r4246
   PROJ: Rel. 4.9.3, 15 August 2016
   GDAL: GDAL 2.1.2, released 2016/10/24
 }}}



 {{{
 --- rt_grayscale_expected       2018-06-03 13:17:05.334407610 +0000
 +++ /tmp/pgis_reg/test_74_out   2018-06-03 22:10:55.755485552 +0000
 @@ -8,17 +8,17 @@
  1|1|1|{{NULL,128},{254,255}}
  1|2|1|{{NULL,128},{254,255}}
  1|3|1|{{NULL,0},{254,254}}
 -1|4|1|{{NULL,0},{254,254}}
 +1|4|1|{{0,0},{254,254}}
  1|5|1|{{NULL,NULL},{128,128},{255,255}}
  2|1|1|{{NULL,128},{254,255}}
  2|2|1|{{NULL,128},{254,255}}
  2|3|1|{{NULL,0},{254,254}}
 -2|4|1|{{NULL,0},{254,254}}
 +2|4|1|{{0,0},{254,254}}
  2|5|1|{{NULL,NULL},{128,128},{255,255}}
  3|1|1|{{NULL,128},{254,255}}
  3|2|1|{{NULL,128},{254,255}}
  3|3|1|{{NULL,0},{254,254}}
 -3|4|1|{{NULL,0},{254,254}}
 +3|4|1|{{0,0},{254,254}}
  3|5|1|{{NULL,NULL},{128,128},{255,255}}
  BEGIN
  ERROR:  'rastbandargset' must have three bands for red, green and blue
 }}}

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4102>
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