[Therion] Blue-colored water

[Pavel Herich]

Have you tried this in CMYK rather than RGB?


symbol-color line water-flow [100 0 0 0]

or

color-model cmyk

   def a_water (expr p) =
     T:=identity;
     thfill p withcmykcolor (1,0,0,0);
   enddef;



Pavel





Dňa 2024-11-15 22:00 Bill Gee napísal(a):
> Well, this is interesting1  I changed the line in thconfig to green as 
> Bruce suggested.  The water areas come out as a rather light green, not 
> a fully saturated color.  Changing it back to red {0 0 100] gives a 
> sort of light black color.
> 
> Looking in the thbook, I see that color in this syntax is an RGB 
> triplet.  I think the range for each triplet is 0 to 100.  Is that 
> right?  I tried setting it to [0 0 200] but Therion tossed an error 
> message about that.
> 
> Just for testing, I commented out another line in the layout section:
> 
> 	color map-fg [100 86 66]
> 
> With that change I now get very light blue water and a white 
> background.
> 
> It seems there is an interaction between the map-fg color and the area 
> color.  I tried adjusting the the map-fg colors, assuming that lower 
> numbers would be paler colors.  Nope!  Using [50 43 33] gave a dark 
> brown background, and using [25 20 16] gave an almost black background.
> 
> I set the map-fg colors back to original, then changed the water area 
> color to [0 0 10].  The result is almost black.
> 
> 
> ===============
> Bill Gee
> 
> On 11/15/24 14:06, Bruce Mutton wrote:
>>> In the thconfig file I have this line in the layout section:
>>>     symbol-color area water [0 0 100]
>> 
>> Bill, have you tried
>> symbol-color area water [0 100 0] #green
>> and similar for the metapost?
>> 
>> Sounds like all your pdf viewers are telling you something.  That the 
>> lines are not used in your thconfig, or they are being superseded by a 
>> subsequent contradictory entry :)
>> Bruce
>> 
>> 
>> _______________________________________________
>> Therion mailing list
>> Therion at speleo.sk
>> https://mailman.speleo.sk/listinfo/therion
> 
> _______________________________________________
> Therion mailing list
> Therion at speleo.sk
> https://mailman.speleo.sk/listinfo/therion