[GRASS-user] 3D raster color coding
Francois Chartier
fra.chartier at gmail.com
Sat Jun 2 06:01:46 PDT 2018
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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