[GRASS-user] 3D raster color coding

Francois Chartier fra.chartier at gmail.com
Sat Jun 2 10:57:57 PDT 2018


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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