Re: Slight alteration to back bond of chem.pic

2025-03-11 Thread Hans Bezemer via GNU roff typesetting system discussion
Dear Norwid, On Wed, Mar 05, 2025 at 06:29:32PM +0100, Norwid Behrnd wrote: > Dear Hans > > I'm able to locally replicate and compile the examples shared by you. Are the > names of the bond types preliminary only? Yes they are. Maybe a mere descriptive name would be more appropiate: - dashed f

Re: Slight alteration to back bond of chem.pic

2025-03-04 Thread Hans Bezemer via GNU roff typesetting system discussion
Dear Doug and others, I'm sorry. I added the altered scripts as attachment but didn't realised that this will be added as text to the mail. Will keep it in mind for a next time. Kind regards, Hans On Tue, Mar 04, 2025 at 09:56:58AM -0500, Douglas McIlroy wrote: > Please don't post huge programs

Re: Slight alteration to back bond of chem.pic

2025-03-04 Thread Douglas McIlroy
Please don't post huge programs (in this case 1500 lines) as email text. For those of us who subscribe to the groff digest, it's a pain to scroll past such monsters to see the remaining messages. Big documents are best relegated to attachments, which readers who need them can fetch from the mailin

Re: Slight alteration to back bond of chem.pic

2025-03-04 Thread Hans Bezemer via GNU roff typesetting system discussion
Dear Norwid, Thank you for the reply. As for comment 1, you are entirely right. My example was just fast mock up to show the difference. As for comment 2, my (lack of) my English vocabulaire comes into play. Based on the overview given on stack exchange, I've created different bond types.[1] I'

Re: Slight alteration to back bond of chem.pic

2025-03-01 Thread Norwid Behrnd
Dear Hans, a few comments: - Do you need to represent all four substituents around the stereogenic center? Because so often, hydrogen if bound to carbon is implicit in the formulae, without ambiguity. And if all four substitutents around the carbon need to be shown -- as to introduce / tr

Slight alteration to back bond of chem.pic

2025-03-01 Thread Hans Bezemer via GNU roff typesetting system discussion
Dear members, I'm using chem frequently for making tests for school. Although it's a bit hidden in the manual but a neat feature of chem is being able to create back and front bonds. The front bond is formed by an arrowhead (clever solution). The back bond is created of spaced lines. With a sligh