Re: [GRASS-user] v.colors: proper command syntax
On Sat, 3 Nov 2018, Micha Silver wrote: Something like this might help: Micha, Found an online converter that did the job. Thanks, Rich ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] v.colors: proper command syntax
On 11/3/18 2:38 PM, Rich Shepard wrote: On Sat, 3 Nov 2018, Micha Silver wrote: If you want to avoid a color table then specifiy an additional column "rgb_column=" which gives the colors in decimal RGB format such as "255:0:0" for red for example. Micha, I didn't know whether grass cared about the numeric format. I'll lookup the hex code to decimal code and change then in the same column (a simple update statement). Something like this might help: >printf "%d\n" 0xff 255 You'll have to split the hex string into the 3 color components, of course. Still for me to learn is the relation between v.colors and d.vect. Trial-and-error learning, I suppose. Thanks, Rich ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user -- Micha Silver Ben Gurion Univ. Sde Boker, Remote Sensing Lab cell: +972-523-665918 ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] v.colors: proper command syntax
On Sat, 3 Nov 2018, Micha Silver wrote: If you want to avoid a color table then specifiy an additional column "rgb_column=" which gives the colors in decimal RGB format such as "255:0:0" for red for example. Micha, I didn't know whether grass cared about the numeric format. I'll lookup the hex code to decimal code and change then in the same column (a simple update statement). Still for me to learn is the relation between v.colors and d.vect. Trial-and-error learning, I suppose. Thanks, Rich ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] v.colors: proper command syntax
On 11/2/18 11:09 PM, Rich Shepard wrote: The stations (vector, point) table has 10 columns: site_nbr | character varying(8) site_name | character varying(64) lon | numeric(12,6) lat | numeric(10,6) easting | numeric northing | numeric start_date | date end_date | date howmany | integer bin_col | character(8) I don't know which column to specify in the command, v.colors map=stations use=attr column=bin_col does not work. column is the name of column containing numeric data and color is the name of color table. But I don't want or need a color table because the column 'bin_col' has colors for specified ranges of the howmany column in hex rgb format (e.g., #73E700). If the command will display the map with points colored according to bin_col please show me the proper syntax. If you want to avoid a color table then specifiy an additional column "rgb_column=" which gives the colors in decimal RGB format such as "255:0:0" for red for example. If v.colors is not the appropriate module for me to display this map with points colored using the bin_col value, please point me to the proper module. TIA, Rich ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user -- Micha Silver Ben Gurion Univ. Sde Boker, Remote Sensing Lab cell: +972-523-665918 ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] v.colors: proper command syntax
The stations (vector, point) table has 10 columns: site_nbr | character varying(8) site_name | character varying(64) lon| numeric(12,6) lat| numeric(10,6) easting| numeric northing | numeric start_date | date end_date | date howmany| integer bin_col| character(8) I don't know which column to specify in the command, v.colors map=stations use=attr column=bin_col does not work. column is the name of column containing numeric data and color is the name of color table. But I don't want or need a color table because the column 'bin_col' has colors for specified ranges of the howmany column in hex rgb format (e.g., #73E700). If the command will display the map with points colored according to bin_col please show me the proper syntax. If v.colors is not the appropriate module for me to display this map with points colored using the bin_col value, please point me to the proper module. TIA, Rich ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user
