[GRASS-user] 3D raster color coding

Francois Chartier fra.chartier at gmail.com
Sat Jun 2 11:12:28 PDT 2018


see export below of color tab.
(Sat Jun 02 14:11:39 2018)

r3.colors.out map=BHALL_May24v2 at Toronto

-8.99099 0:0:255
5.30354 0:255:255
19.5981 255:255:0
33.8926 255:0:0
nv 255:255:255
default 255:255:255
(Sat Jun 02 14:11:39 2018) Command finished (0 sec)

Le sam. 2 juin 2018 à 14:05, Francois Chartier <fra.chartier at gmail.com> a
écrit :

> C:\Users\Francois Chartier>g.region -p
> projection: 1 (UTM)
> zone:       17
> datum:      nad83
> ellipsoid:  grs80
> north:      4870795
> south:      4825715
> west:       609204
> east:       651669
> nsres:      500.88888889
> ewres:      499.58823529
> rows:       90
> cols:       85
> cells:      7650
>
> metadata from 3d raster
> Title:    BHALL_May24v2
> |
>  | Units:    none
>    |
>  | Vertical unit: units
>    |
>  | Timestamp: none
>     |
>
>  |----------------------------------------------------------------------------|
>  |
>     |
>  |   Type of Map:  raster_3d            Number of Categories: 0
>    |
>  |   Data Type:    FCELL
>     |
>  |   Rows:         90
>    |
>  |   Columns:      85
>    |
>  |   Depths:       307
>     |
>  |   Total Cells:  2348550
>     |
>  |   Total size:           3180868 Bytes
>     |
>  |   Number of tiles:      336
>     |
>  |   Mean tile size:       9466 Bytes
>    |
>  |   Tile size in memory:  30420 Bytes
>     |
>  |   Number of tiles in x, y and  z:   6, 7, 8
>     |
>  |   Dimension of a tile in x, y, z:   15, 13, 39
>    |
>  |
>     |
>  |        Projection: UTM (zone 17)
>    |
>  |            N:    4870795    S:    4825715   Res: 500.88888889
>     |
>  |            E:     651669    W:     609204   Res: 499.58823529
>     |
>  |            T:        352    B:         45   Res:     1
>    |
>  |   Range of data:   min = -8.99099445 max = 33.89262009
>    |
>  |
>     |
>  |   Data Source:
>    |
>  |
>     |
>  |
>     |
>  |
>     |
>  |   Data Description:
>     |
>  |    generated by v.vol.rst
>     |
>  |
>     |
>  |   Comments:
>     |
>  |    v.vol.rst input="BHMat1All_May12 at Toronto" wcolumn="cat" tension=40.
> \   |
>  |    smooth=0.1 segmax=50 npmin=200 npmax=700 dmin=2 wscale=1.0
> zscale=1.\   |
>  |    0 elevation="BHALL_May24v2"
>    |
>  |
>     |
>
>  +----------------------------------------------------------------------------+
>
> Le sam. 2 juin 2018 à 14:01, Veronica Andreo <veroandreo at gmail.com> a
> écrit :
>
>> g.region manual page:
>> https://grass.osgeo.org/grass74/manuals/g.region.html
>>
>> # print current region info
>> g.region -p
>>
>> # set to a raster 3d
>> g.region raster_3d=nameofyourmap
>>
>> El sáb., 2 jun. 2018 19:58, Francois Chartier <fra.chartier at gmail.com>
>> escribió:
>>
>>> how do you ensure that region is selected to the extent of the raster.
>>> I think I already did this when making v.vol.rst.
>>>
>>> Le sam. 2 juin 2018 à 13:56, Veronica Andreo <veroandreo at gmail.com> a
>>> écrit :
>>>
>>>> What about the region? Is it set to the extent of your raster?
>>>>
>>>> El sáb., 2 jun. 2018 19:52, Francois Chartier <fra.chartier at gmail.com>
>>>> escribió:
>>>>
>>>>> i removed the 'r' and used elevation and bcyr as the color tables, see
>>>>> below.  Display window is blank.
>>>>>
>>>>> to recap the steps:
>>>>> 1 - i selected the Mapset  and also tried Map that corresponds to the
>>>>> 3d raster
>>>>> 2 - then in Define tab, i only choose the Name of Color Table: bcyr, i
>>>>> have not selected anything else,
>>>>> 3 - then i just Run.
>>>>>
>>>>> (Sat Jun 02 13:45:02 2018)
>>>>>
>>>>> r3.colors map=BHALL_May24v2 at Toronto color=elevation
>>>>>
>>>>> Color table for raster3d map <BHALL_May24v2 at Toronto> set to
>>>>> 'elevation'
>>>>> (Sat Jun 02 13:45:02 2018) Command finished (0 sec)
>>>>>
>>>>> (Sat Jun 02 13:46:14 2018)
>>>>>
>>>>> r3.colors map=BHALL_May24v2 at Toronto color=bcyr
>>>>>
>>>>> Color table for raster3d map <BHALL_May24v2 at Toronto> set to 'bcyr'
>>>>> (Sat Jun 02 13:46:15 2018) Command finished (0 sec)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Le sam. 2 juin 2018 à 09:01, Francois Chartier <fra.chartier at gmail.com>
>>>>> a écrit :
>>>>>
>>>>>> Is there any way to set the range for the color table?
>>>>>>
>>>>>> On Sat, Jun 2, 2018, 02:33 Veronica Andreo, <veroandreo at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Try removing -r from your command (unchecking the box in the GUI).
>>>>>>>
>>>>>>> That flag is used to remove a color palette.
>>>>>>>
>>>>>>> Best,
>>>>>>> Vero
>>>>>>>
>>>>>>> El sáb., 2 jun. 2018 3:48, Francois Chartier <fra.chartier at gmail.com>
>>>>>>> escribió:
>>>>>>>
>>>>>>>>
>>>>>>>> Hi Veronica,
>>>>>>>>
>>>>>>>> something is odd.  here are the steps - Display window is still
>>>>>>>> blank and the 3D raster has data ranging from -8 to 34.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Step 2 - set as viridis - according to manual this
>>>>>>>>
>>>>>>>>
>>>>>>>> *result in command window*
>>>>>>>> (Fri Jun 01 21:44:05 2018)
>>>>>>>>
>>>>>>>> r3.colors -r map=BHALL_May24v2 at Toronto color=viridis
>>>>>>>>
>>>>>>>> (Fri Jun 01 21:44:05 2018) Command finished (0 sec)
>>>>>>>>
>>>>>>>> *Display is still blank.   *
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> *Data is there*
>>>>>>>>
>>>>>>>>         |
>>>>>>>>  |   Type of Map:  raster_3d            Number of Categories: 0
>>>>>>>>            |
>>>>>>>>  |   Data Type:    FCELL
>>>>>>>>           |
>>>>>>>>  |   Rows:         90
>>>>>>>>            |
>>>>>>>>  |   Columns:      85
>>>>>>>>            |
>>>>>>>>  |   Depths:       307
>>>>>>>>           |
>>>>>>>>  |   Total Cells:  2348550
>>>>>>>>           |
>>>>>>>>  |   Total size:           3180868 Bytes
>>>>>>>>           |
>>>>>>>>  |   Number of tiles:      336
>>>>>>>>           |
>>>>>>>>  |   Mean tile size:       9466 Bytes
>>>>>>>>            |
>>>>>>>>  |   Tile size in memory:  30420 Bytes
>>>>>>>>           |
>>>>>>>>  |   Number of tiles in x, y and  z:   6, 7, 8
>>>>>>>>           |
>>>>>>>>  |   Dimension of a tile in x, y, z:   15, 13, 39
>>>>>>>>            |
>>>>>>>>  |
>>>>>>>>           |
>>>>>>>>  |        Projection: UTM (zone 17)
>>>>>>>>            |
>>>>>>>>  |            N:    4870795    S:    4825715   Res: 500.88888889
>>>>>>>>           |
>>>>>>>>  |            E:     651669    W:     609204   Res: 499.58823529
>>>>>>>>           |
>>>>>>>>  |            T:        352    B:         45   Res:     1
>>>>>>>>            |
>>>>>>>>  |   Range of data:   min = -8.99099445 max = 33.89262009
>>>>>>>>            |
>>>>>>>>  |
>>>>>>>>           |
>>>>>>>>  |   Data Source:
>>>>>>>>            |
>>>>>>>>  |
>>>>>>>>           |
>>>>>>>>  |
>>>>>>>>           |
>>>>>>>>  |
>>>>>>>>           |
>>>>>>>>  |   Data Description:
>>>>>>>>           |
>>>>>>>>  |    generated by v.vol.rst
>>>>>>>>           |
>>>>>>>>  |
>>>>>>>>           |
>>>>>>>>  |   Comments:
>>>>>>>>           |
>>>>>>>>  |    v.vol.rst input="BHMat1All_May12 at Toronto" wcolumn="cat"
>>>>>>>> tension=40. \   |
>>>>>>>>  |    smooth=0.1 segmax=50 npmin=200 npmax=700 dmin=2 wscale=1.0
>>>>>>>> zscale=1.\   |
>>>>>>>>  |    0 elevation="BHALL_May24v2"
>>>>>>>>
>>>>>>>>
>>>>>>>> Le ven. 1 juin 2018 à 12:54, Francois Chartier <
>>>>>>>> fra.chartier at gmail.com> a écrit :
>>>>>>>>
>>>>>>>>> Thanks, I'll check it out.
>>>>>>>>>
>>>>>>>>> On Fri, Jun 1, 2018, 03:05 Veronica Andreo, <veroandreo at gmail.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Hello,
>>>>>>>>>>
>>>>>>>>>> That's probably because that palette is for integer values
>>>>>>>>>> ranging from 0 to 360 [0]. Try with a relative one such as viridis or bcyr.
>>>>>>>>>>
>>>>>>>>>> HTH,
>>>>>>>>>> Vero
>>>>>>>>>>
>>>>>>>>>> [0] https://grass.osgeo.org/grass74/manuals/r.colors.html
>>>>>>>>>>
>>>>>>>>>> El jue., 31 may. 2018 a las 3:18, Francois Chartier (<
>>>>>>>>>> fra.chartier at gmail.com>) escribió:
>>>>>>>>>>
>>>>>>>>>>> Hi,
>>>>>>>>>>>
>>>>>>>>>>> I have created a 3D raster from soil properties with about 70K
>>>>>>>>>>> points, with a* lot of help from the mailing list i must say*.
>>>>>>>>>>> from the copy of the metadata of the 3d raster (below) it would
>>>>>>>>>>> confirm that the 3D raster worked and the grid is populated with data.
>>>>>>>>>>> I have copied below the r3.colors and assigned  'aspectcolr' as
>>>>>>>>>>> a trial.  Unfortunately in the Display window nothing shows up, whether in
>>>>>>>>>>> 2D or in 3D view.  I do not know what i am doing incorrectly.
>>>>>>>>>>>
>>>>>>>>>>> Once I am done and able to develop the 3D raster of the soil
>>>>>>>>>>> properties, I will prepare a simple step by step for developing such a
>>>>>>>>>>> raster which may be useful for others.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> +----------------------------------------------------------------------------+
>>>>>>>>>>>  | Layer:    BHALL_May24v2 at Toronto          Date: Sun May 27
>>>>>>>>>>> 16:43:46 2018    |
>>>>>>>>>>>  | Mapset:   Toronto                        Login of Creator:
>>>>>>>>>>> Francois Charti |
>>>>>>>>>>>  | Location: Toronto
>>>>>>>>>>>               |
>>>>>>>>>>>  | DataBase: C:\Users\Francois Chartier\Documents\grassdata
>>>>>>>>>>>              |
>>>>>>>>>>>  | Title:    BHALL_May24v2
>>>>>>>>>>>               |
>>>>>>>>>>>  | Units:    none
>>>>>>>>>>>              |
>>>>>>>>>>>  | Vertical unit: units
>>>>>>>>>>>              |
>>>>>>>>>>>  | Timestamp: none
>>>>>>>>>>>               |
>>>>>>>>>>>
>>>>>>>>>>>  |----------------------------------------------------------------------------|
>>>>>>>>>>>  |
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Type of Map:  raster_3d            Number of Categories: 0
>>>>>>>>>>>              |
>>>>>>>>>>>  |   Data Type:    FCELL
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Rows:         90
>>>>>>>>>>>              |
>>>>>>>>>>>  |   Columns:      85
>>>>>>>>>>>              |
>>>>>>>>>>>  |   Depths:       307
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Total Cells:  2348550
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Total size:           3180868 Bytes
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Number of tiles:      336
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Mean tile size:       9466 Bytes
>>>>>>>>>>>              |
>>>>>>>>>>>  |   Tile size in memory:  30420 Bytes
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Number of tiles in x, y and  z:   6, 7, 8
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Dimension of a tile in x, y, z:   15, 13, 39
>>>>>>>>>>>              |
>>>>>>>>>>>  |
>>>>>>>>>>>               |
>>>>>>>>>>>  |        Projection: UTM (zone 17)
>>>>>>>>>>>              |
>>>>>>>>>>>  |            N:    4870795    S:    4825715   Res:
>>>>>>>>>>> 500.88888889              |
>>>>>>>>>>>  |            E:     651669    W:     609204   Res:
>>>>>>>>>>> 499.58823529              |
>>>>>>>>>>>  |            T:        352    B:         45   Res:     1
>>>>>>>>>>>              |
>>>>>>>>>>>  |   Range of data:   min = -8.99099445 max = 33.89262009
>>>>>>>>>>>              |
>>>>>>>>>>>  |
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Data Source:
>>>>>>>>>>>              |
>>>>>>>>>>>  |
>>>>>>>>>>>               |
>>>>>>>>>>>  |
>>>>>>>>>>>               |
>>>>>>>>>>>  |
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Data Description:
>>>>>>>>>>>               |
>>>>>>>>>>>  |    generated by v.vol.rst
>>>>>>>>>>>               |
>>>>>>>>>>>  |
>>>>>>>>>>>               |
>>>>>>>>>>>  |   Comments:
>>>>>>>>>>>               |
>>>>>>>>>>>  |    v.vol.rst input="BHMat1All_May12 at Toronto" wcolumn="cat"
>>>>>>>>>>> tension=40. \   |
>>>>>>>>>>>  |    smooth=0.1 segmax=50 npmin=200 npmax=700 dmin=2 wscale=1.0
>>>>>>>>>>> zscale=1.\   |
>>>>>>>>>>>  |    0 elevation="BHALL_May24v2"
>>>>>>>>>>>              |
>>>>>>>>>>>  |
>>>>>>>>>>>               |
>>>>>>>>>>>
>>>>>>>>>>>  +----------------------------------------------------------------------------+
>>>>>>>>>>> (Wed May 30 21:11:59 2018) Command finished (0 sec)
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> ----------------------------------------------------------------------------------------
>>>>>>>>>>>
>>>>>>>>>>> (Wed May 30 21:10:02 2018)
>>>>>>>>>>>
>>>>>>>>>>> r3.colors map=BHALL_May24v2 at Toronto color=aspectcolr
>>>>>>>>>>>
>>>>>>>>>>> Color table for raster3d map <BHALL_May24v2 at Toronto> set to
>>>>>>>>>>> 'aspectcolr'
>>>>>>>>>>> (Wed May 30 21:10:03 2018) Command finished (0 sec)
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> grass-user mailing list
>>>>>>>>>>> grass-user at lists.osgeo.org
>>>>>>>>>>> https://lists.osgeo.org/mailman/listinfo/grass-user
>>>>>>>>>>
>>>>>>>>>>
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