[GRASS-user] 3D raster color coding

Veronica Andreo veroandreo at gmail.com
Sat Jun 2 10:56:09 PDT 2018


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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