[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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