Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.6.2
 Component:  Raster   |Version:  svn-releasebranch76
Resolution:   |   Keywords:  r.out.png, wingrass, g.ppmtopng
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-
Changes (by hellik):

 * version:  7.0.4 => svn-releasebranch76
 * milestone:  7.0.7 => 7.6.2


Comment:

 Replying to [comment:21 martinl]:
 > Still relevant?

 no crash, but empty png files (header unkown).

 upgrade milestone

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass, g.ppmtopng
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by martinl):

 Still relevant?

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass, g.ppmtopng
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by wenzeslaus):

 Replying to [comment:13 wenzeslaus]:
 > ...would require setting transparency; code for a simple but limited way
 to do that is attached too. I'm thinking about adding some of these
 functions to the Python library.

 Transparency function added to trunk (7.7) in a new module
 `grass.imaging.operations` in r73329 (together with crop, invert colors
 and create thumbnail).

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass, g.ppmtopng
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by wenzeslaus):

 Replying to [comment:18 mmetz]:
 > Replying to [comment:17 mmetz]:
 > > Replying to [comment:16 wenzeslaus]:
 > > > [...] Perhaps it was just considered to be superseded by r.out.gdal?
 > >
 > > r.out.png and r.out.tiff create something like a screenshot using the
 current region settings: the output contains only coloring information.
 This can be changed with r.colors.
 > >
 > > r.out.gdal exports cell values using the current region settings: the
 output contains the original cell values.
 > >
 > > r.out.png and r.out.tiff have been superseeded by the button to "Save
 display to file" in the map display.
 >
 > Not exactly, "Save display to file" does not produce a georeferenced
 screenshot, while r.out.tiff and r.out.png do produce a georeferenced
 screenshot.

 Thank you for clarification. That's exactly how I used r.out.png, to
 create something like a "georeferenced screenshot".

 Than it is clear that "Save display to file" is not a good replacement
 because it is not georeferenced and it is not a module. The georeferencing
 could be added. I think there is even a ticket for that. However, using it
 as module is not possible, although d.out.file is pretty close.

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass, g.ppmtopng
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by mmetz):

 Replying to [comment:17 mmetz]:
 > Replying to [comment:16 wenzeslaus]:
 > > [...] Perhaps it was just considered to be superseded by r.out.gdal?
 >
 > r.out.png and r.out.tiff create something like a screenshot using the
 current region settings: the output contains only coloring information.
 This can be changed with r.colors.
 >
 > r.out.gdal exports cell values using the current region settings: the
 output contains the original cell values.
 >
 > r.out.png and r.out.tiff have been superseeded by the button to "Save
 display to file" in the map display.

 Not exactly, "Save display to file" does not produce a georeferenced
 screenshot, while r.out.tiff and r.out.png do produce a georeferenced
 screenshot.

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass, g.ppmtopng
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by mmetz):

 Replying to [comment:16 wenzeslaus]:
 > [...] Perhaps it was just considered to be superseded by r.out.gdal?

 r.out.png and r.out.tiff create something like a screenshot using the
 current region settings: the output contains only coloring information.
 This can be changed with r.colors.

 r.out.gdal exports cell values using the current region settings: the
 output contains the original cell values.

 r.out.png and r.out.tiff have been superseeded by the button to "Save
 display to file" in the map display.

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass, g.ppmtopng
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by wenzeslaus):

 Replying to [comment:15 neteler]:
 > Replying to [comment:14 wenzeslaus]:
 > > That might have been case of `r.out.tiff` too. This goes outside of
 this ticket, but now I wonder what is the relation of `r.out.png` to
 r62524. Why was `r.out.tiff` moved to addons and `r.out.png` left in core?
 Maybe dependency considerations?
 >
 > It was your suggestion to move r.out.tiff to addons :-)
 >
 > https://lists.osgeo.org/pipermail/grass-dev/2014-November/071498.html

 As far as I understand the discussion there, I suggested addons as an
 alternative to [https://lists.osgeo.org/pipermail/grass-
 dev/2014-November/071492.html removal]. I don't know how it got to
 [https://lists.osgeo.org/pipermail/grass-dev/2014-November/071491.html the
 original "dead code" list]. Perhaps it was just considered to be
 superseded by r.out.gdal?

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass, g.ppmtopng
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by neteler):

 Replying to [comment:14 wenzeslaus]:
 > That might have been case of `r.out.tiff` too. This goes outside of this
 ticket, but now I wonder what is the relation of `r.out.png` to r62524.
 Why was `r.out.tiff` moved to addons and `r.out.png` left in core? Maybe
 dependency considerations?

 It was your suggestion to move r.out.tiff to addons :-)

 https://lists.osgeo.org/pipermail/grass-dev/2014-November/071498.html

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass, g.ppmtopng
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by wenzeslaus):

 Replying to [comment:13 wenzeslaus]:
 > Replying to [comment:12 neteler]:
 > > How about making it "simply" a Python wrapper around r.out.gdal with
 PNG etc hardcoded?
 >
 > ... Additionally, `r.out.gdal` and `r.out.png` outputs are not identical
 and `r.out.png` always gave me a more expected output, for example
 transparency works.

 That might have been case of `r.out.tiff` too. This goes outside of this
 ticket, but now I wonder what is the relation of `r.out.png` to r62524.
 Why was `r.out.tiff` moved to addons and `r.out.png` left in core? Maybe
 dependency considerations?

 In any case, the point of both `r.out.png` and `r.out.tiff` is an easy
 interface at this point (since GDAL will be always present), assuming that
 the differences in outputs are addressed. So than `r.export.png` makes
 more sense for 8.0 than keeping `r.out.png` around.

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass, g.ppmtopng
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-
Changes (by wenzeslaus):

 * keywords:  r.out.png, wingrass => r.out.png, wingrass, g.ppmtopng


Comment:

 Replying to [comment:12 neteler]:
 > How about making it "simply" a Python wrapper around r.out.gdal with PNG
 etc hardcoded?

 That would solve only `r.out.png` not `g.ppmtopng` or PNG driver (if it is
 broken (please test)).

 Additionally, `r.out.gdal` and `r.out.png` outputs are not identical and
 `r.out.png` always gave me a more expected output, for example
 transparency works.

 However, your suggestion makes sense. An alternative I used was `d.rast`.
 That again gives different result - the pixels are resampled so that when
 ns and ew resolutions don't match you get the right shape unlike with
 `r.out.gdal` or `r.out.png` where you get the result stretched when viewed
 without georeferencing.

 The code for `d.rast` is below. AFAIU `r.out.gdal` would require setting
 transparency; code for a simple but limited way to do that is attached
 too. I'm thinking about adding some of these functions to the Python
 library.

 {{{
 #!python
 def set_rendering_environment(width, height, filename, transparent,
   backgroud_color='ff', driver='cairo',
   compression=None, env=None):
 # if parameter not provided (but allow for empty dictionary)
 if env is None:
 env = os.environ
 env['GRASS_RENDER_WIDTH'] = str(width)
 env['GRASS_RENDER_HEIGHT'] = str(height)
 env['GRASS_RENDER_IMMEDIATE'] = driver
 env['GRASS_RENDER_BACKGROUNDCOLOR'] = backgroud_color
 env['GRASS_RENDER_TRUECOLOR'] = "TRUE"
 if transparent:
 env['GRASS_RENDER_TRANSPARENT'] = "TRUE"
 else:
 env['GRASS_RENDER_TRANSPARENT'] = "FALSE"
 if compression:
 env['GRASS_RENDER_FILE_COMPRESSION'] = str(compression)
 env['GRASS_RENDER_FILE'] = str(filename)


 def get_region():
 gregion_out = gs.read_command('g.region', flags='pg')
 region = gs.parse_key_val(gregion_out, sep='=')
 return {'east': float(region['e']), 'north': float(region['n']),
 'west': float(region['w']), 'south': float(region['s']),
 'rows': int(region['rows']), 'cols': int(region['cols']),
 'nsres': float(region['nsres']),
 'ewres': float(region['ewres'])}


 region = get_region()
 if region['nsres'] > region['ewres']:
 # oversample in rows, do not loose columns
 width = region['cols']
 height = region['rows'] * (region['nsres'] / region['ewres'])
 else:
 # oversample in columns, do not loose rows
 width = region['cols'] * (region['ewres'] / region['nsres'])
 height = region['rows']
 if 't' in routpng_flags:
 transparent = True
 else:
 transparent = False
 set_rendering_environment(width=width, height=height,
   filename=output_file,
   transparent=True, driver='cairo',
   compression=compression)
 }}}

 {{{
 #!python
 try:
 from PIL import Image
 except ImportError:
 gcore.warning(_("Cannot save transparency because"
 " PIL library is missing."))
 return
 if rgb == 'white':
 rgb = (255, 255, 255)
 elif rgb == 'black':
 rgb = (0, 0, 0)
 img = Image.open(filename)
 img = img.convert("RGBA")
 old_data = img.getdata()
 new_data = []
 for item in old_data:
 if item[0] == rgb[0] and item[1] == rgb[1] and item[2] ==
 rgb[2]:
 new_data.append((255, 255, 255, 0))
 else:
 new_data.append(item)
 img.putdata(new_data)
 img.save(filename, "PNG")
 }}}

 A step further would be a `r.export.png` module which would, with whatever
 backend, create a georeferenced PNG but in a SRS provided by the user.

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by neteler):

 How about making it "simply" a Python wrapper around r.out.gdal with PNG
 etc hardcoded?

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by hellik):

 Replying to [comment:10 hellik]:
 > Replying to [comment:8 wenzeslaus]:
 > > Does `g.ppmtopng`?
 >
 > {{{
 > (Wed Sep 12 19:39:08 2018)
 > g.ppmtopng --verbose
 input=C:\Users\hkmyr\AppData\Local\Temp\grass7-hkmyr-8260\tmp3lx1lm.ppm
 output=D:\wd\test\test_05.png
 > (Wed Sep 12 19:39:11 2018) Command finished (2 sec)
 > }}}
 >
 > the file is empty with an unknown header

 {{{
 C:\>g.gisenv set=DEBUG=3

 C:\>g.ppmtopng --verbose
 input=C:\Users\hkmyr\AppData\Local\Temp\grass7-hkmyr-8260\tmp3lx1lm.ppm
 output=D:\wd\test\test_06.png
 D1/3: G_set_program_name(): g.ppmtopng
 D2/3: G_file_name(): path = D:\grassdata\nc_spm_08_grass7\user1
 }}}

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by hellik):

 Replying to [comment:8 wenzeslaus]:
 > Does `g.ppmtopng`?

 {{{
 (Wed Sep 12 19:39:08 2018)
 g.ppmtopng --verbose
 input=C:\Users\hkmyr\AppData\Local\Temp\grass7-hkmyr-8260\tmp3lx1lm.ppm
 output=D:\wd\test\test_05.png
 (Wed Sep 12 19:39:11 2018) Command finished (2 sec)
 }}}

 the file is empty with an unknown header

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by hellik):

 Replying to [comment:8 wenzeslaus]:
 > Can somebody debug this on MS Windows (gdb, valgrind, ...)? Does it give
 return code `-1073741819` (which based on internet search seems to be
 either ''Access Violation'' - dereferencing an invalid memory location -
 or File System Error) as in #3200? What about `DEBUG=5`? Does
 `g.ppmtopng`? Does switching `cairo` for `png` works in GUI or with d.mon
 or direct rendering?
 >
 > I didn't get any issues reported with valgrind on Linux and program
 finished successfully.

 tested with

 {{{
 System Info
 GRASS version: 7.4.1
 GRASS SVN revision: r72807
 Build date: 2018-06-13
 Build platform: x86_64-w64-mingw32
 GDAL: 2.2.4
 PROJ.4: 4.9.3
 GEOS: 3.5.0
 SQLite: 3.17.0
 Python: 2.7.14
 wxPython: 2.8.12.1
 Platform: Windows-10-10.0.17134 (OSGeo4W)
 }}}

 {{{
 r.out.png input=elevation@PERMANENT output=D:\wd\test\test_01.png
 (Wed Sep 12 19:32:06 2018) Command finished (2 sec)

 r.out.png -w input=elevation@PERMANENT output=D:\wd\test\test_02.png
 compression=0
 (Wed Sep 12 19:32:28 2018) Command finished (2 sec)

 r.out.png -t -w input=elevation@PERMANENT output=D:\wd\test\test_03.png
 compression=4
 (Wed Sep 12 19:32:46 2018) Command finished (2 sec)
 }}}

 no crash, but empty png files (header unkown).

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.7
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by wenzeslaus):

 Can somebody debug this on MS Windows (gdb, valgrind, ...)? Does it give
 return code `-1073741819` (which based on internet search seems to be
 either ''Access Violation'' - dereferencing an invalid memory location -
 or File System Error) as in #3200? What about `DEBUG=5`? Does
 `g.ppmtopng`? Does switching `cairo` for `png` works in GUI or with d.mon
 or direct rendering?

 I didn't get any issues reported with valgrind on Linux and program
 finished successfully.

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.6
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by marisn):

 Still an issue:

 {{{
 GRASS versija: 7.3.svn
 GRASS SVN revīzija: r70508
 Būvējuma datums: 2017-01-09
 Būvēšanas platforma: x86_64-w64-mingw32
 GDAL: 2.1.2
 PROJ.4: 4.9.3
 GEOS: 3.5.0
 SQLite: 3.14.1
 Python: 2.7.5
 wxPython: 2.8.12.1
 Platforma: Windows-8-6.2.9200 (OSGeo4W)
 }}}

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.6
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by annakrat):

 This is probably related to #3200 (generating r.colors thumbnails on
 windows) where g.ppmtopng fails to write the png. So some problem with PNG
 library on Windows? Not sure, what to do about it...

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Ticket URL: 
GRASS GIS 

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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.6
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by hellik):

 Replying to [comment:3 hellik]:
 > Replying to [comment:2 neteler]:
 >
 > tested by
 >
 > {{{
 > System Info
 > GRASS version: 7.2.svn
 > GRASS SVN revision: r69794
 > Build date: 2016-11-13
 > Build platform: x86_64-w64-mingw32
 > GDAL: 2.1.2
 > PROJ.4: 4.9.3
 > GEOS: 3.5.0
 > SQLite: 3.14.1
 > Python: 2.7.5
 > wxPython: 2.8.12.1
 > Platform: Windows-8-6.2.9200
 > }}}
 >

 DEBUG=3 on

 {{{
 r.out.png --verbose input=elevation@PERMANENT output=D:\dl\lz_10m\test.png
 D1/3: G_set_program_name(): r.out.png
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\user1
 D3/3: G_str_to_color(): str = 'white'
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\user1\WIND
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\user1\WIND
 D2/3:   file open: read (mode = r)
 D2/3: G__read_Cell_head
 D2/3: G__read_Cell_head_array
 D3/3: region item: proj:   99
 D3/3: region item: zone:   0
 D3/3: region item: north:  228500
 D3/3: region item: south:  215000
 D3/3: region item: east:   645000
 D3/3: region item: west:   63
 D3/3: region item: cols:   1500
 D3/3: region item: rows:   1350
 D3/3: region item: e-w resol:  10
 D3/3: region item: n-s resol:  10
 D3/3: region item: top:1.000
 D3/3: region item: bottom: 0.000
 D3/3: region item: cols3:  1500
 D3/3: region item: rows3:  1350
 D3/3: region item: depths: 1
 D3/3: region item: e-w resol3: 10
 D3/3: region item: n-s resol3: 10
 D3/3: region item: t-b resol:  1
 D1/3: rows = 1350, cols = 1500
 D1/3: G_find_raster2(): name=elevation mapset=PERMANENT
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cell\elevation
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cellhd\elevation
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cellhd\elevation
 D2/3:   file open: read (mode = r)
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cellhd\elevation
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cellhd\elevation
 D2/3:   file open: read (mode = r)
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cellhd\elevation
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cellhd\elevation
 D2/3:   file open: read (mode = r)
 D2/3: G__read_Cell_head
 D2/3: G__read_Cell_head_array
 D3/3: region item: proj:   99
 D3/3: region item: zone:   0
 D3/3: region item: north:  228500
 D3/3: region item: south:  215000
 D3/3: region item: east:   645000
 D3/3: region item: west:   63
 D3/3: region item: cols:   1500
 D3/3: region item: rows:   1350
 D3/3: region item: e-w resol:  10
 D3/3: region item: n-s resol:  10
 D3/3: region item: format: -1
 D3/3: region item: compressed: 1
 D1/3: G_find_raster2(): name=elevation mapset=PERMANENT
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cell\elevation
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\fcell\elevation
 D1/3: G_find_raster2(): name=elevation mapset=PERMANENT
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cell\elevation
 D2/3: G_file_name(): path = D:\grassdata\nc_spm_08_grass7\PE
 RMANENT\cell_misc\elevation\f_format
 D1/3: G_find_raster2(): name=elevation mapset=PERMANENT
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cell\elevation
 D1/3: G_find_raster2(): name=elevation mapset=PERMANENT
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cell\elevation
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\fcell\elevation
 D1/3: G_find_raster2(): name=elevation mapset=PERMANENT
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cell\elevation
 D2/3: G_file_name(): path = D:\grassdata\nc_spm_08_grass7\PE
 RMANENT\cell_misc\elevation\f_format
 D2/3: G_file_name(): path = D:\grassdata\nc_spm_08_grass7\PE
 RMANENT\cell_misc\elevation\gdal
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\fcell\elevation
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\fcell\elevation
 D3/3: create window mapping (1500 columns)
 D1/3: G_find_raster2(): name=elevation mapset=PERMANENT
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\cell\elevation
 D2/3: G_file_name(): path =
 D:\grassdata\nc_spm_08_grass7\PERMANENT\fcell\elevation
 D1/3: G_find_raster2(): name=elevation 

Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.6
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-

Comment (by hellik):

 Replying to [comment:2 neteler]:

 tested by

 {{{
 System Info
 GRASS version: 7.2.svn
 GRASS SVN revision: r69794
 Build date: 2016-11-13
 Build platform: x86_64-w64-mingw32
 GDAL: 2.1.2
 PROJ.4: 4.9.3
 GEOS: 3.5.0
 SQLite: 3.14.1
 Python: 2.7.5
 wxPython: 2.8.12.1
 Platform: Windows-8-6.2.9200
 }}}

 within the NC sample dataset

 {{{
 r.out.png input=elevation@PERMANENT output=D:\tmp\test.png
 }}}

 it also crashes in the winGRASS7.2.line.

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Ticket URL: 
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Re: [GRASS-dev] [GRASS GIS] #3156: Cannot export GRASS raster map using r.out.png (crashes on windows)

[GRASS GIS]

#3156: Cannot export GRASS raster map using r.out.png (crashes on windows)
--+-
  Reporter:  spawley  |  Owner:  grass-dev@…
  Type:  defect   | Status:  new
  Priority:  normal   |  Milestone:  7.0.5
 Component:  Raster   |Version:  7.0.4
Resolution:   |   Keywords:  r.out.png, wingrass
   CPU:  x86-64   |   Platform:  MSWindows 7
--+-
Changes (by martinl):

 * keywords:   => r.out.png, wingrass


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Ticket URL: 
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