[GRASS-user] 3D raster color coding

[Francois Chartier]

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)
>>
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>
>
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