YES! symbol-colour group all [60] #makes everything grey does the trick. Thanks, Bruce!
Regarding Footleg's comment: Therion indeed turnes "black" bitmaps into "grey" bitmaps, see attached example, where I inverted the colors of a B/W bitmap. Perhaps this is something which could be improved in future versions? Michael. -------------- next part -------------- A non-text attachment was scrubbed... Name: GreyBitmapsExample.png Type: image/png Size: 163682 bytes Desc: not available URL: <http://mailman.speleo.sk/pipermail/therion/attachments/20150520/42df62d7/attachment.png>
