summaryrefslogtreecommitdiff
path: root/contrib/chem/examples/122/ch4z2_text.chem
blob: 840440959d0b005f2856e7a0ba32d1ccbd706215 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
ch4z2_text.chem:
.br
.cstart

# Example file for `chem':

# This originates from Computing Science Technical Report No. 122
#   CHEM - A Program for Typesetting Chemical Diagrams: User Manual
#   by Jon L. Bentley, Lynn W. Jelinski, Brian W. Kernighan
#   <http://cm.bell-labs.com/cm/cs/cstr/122.ps.gz>.

# Copyright (C) 2006 Free Software Foundation, Inc.

# Last update: 26 Oct 2006

# This file is part of `chem', which is part of `groff'.

# `groff' is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# `groff' is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

########################################################################

    bond 120 dotted
    bond 120 length .3 ; BP
    back bond -120 length .25 from BP ; H
    front bond 120 length .25 from BP ; CH3
    bond 60 length .5 from BP ; BP
    bond -60 length .25 from BP ; H
# note the pic move command to position the text
    move left .35 ; "(ANTI)"
    front bond 60 length .25 from BP ; H
# another positioning of text
    move right .35 ; "(SYN)"
    bond 120 length .4 from BP ; BP
    back bond -120 length .25 from BP ; H
    front bond 120 length .25 from BP ; CH3
    bond 60 length .5 from BP
    bond 60 dotted

########################################################################
### Emacs settings
# Local Variables:
# mode: Nroff
# End:
.cend