Re: [NTG-context] bar graphs, m-graph, sarith
Thank you Alan. That was exactly the redirection needed. John On Jul 7, 2013, at 9:24 AM, Alan BRASLAU wrote: Metapost now has double precision arithmetic, so one no longer needs to use the string arithmetic macros. However, it may be necessary to use scantokens as in clearxy; z = (scantokens v1, scantokens v2); augment.p(x,0); augment.p(x,y); x := x + 0.4 ; augment.p(x,y); augment.p(x,0); Alan On Sat, 6 Jul 2013 22:01:06 -0400 John Kitzmiller k...@inradius.net wrote: When trying to make a bar graph with m-graph.mkiv and sarith, the command Ssub (string subtract) seems to augment.p(v1 Sadd 0.4,v2);Sadd instead. An mwe of a bar graph: (data1 is a separate file containing 01 02 02 03) \usemodule[m-graph] \startMPpage[instance=graph] input sarith; draw begingraph(5cm,5cm); gdata(data1, v, path p; augment.p(v1,0); augment.p(v1,v2) augment.p(v1 Sadd 0.4,v2); augment.p(v1 Sadd 0.4,0); gfill p--cycle withcolor .8white; gdraw p--cycle; ); endgraph; \stopMPpage ...which gives bars of width 0.4 starting at abscissa 1 and 2 as expected. To increase the width of the bars to 0.8 and have them centered over 1 and 2, I expect to Ssub from the first two augments: \usemodule[m-graph] \startMPpage[instance=graph] input sarith; draw begingraph(5cm,5cm); gdata(data1, v, path p; augment.p(v1 Ssub 0.4,0); augment.p(v1 Ssub 0.4,v2); augment.p(v1 Sadd 0.4,v2); augment.p(v1 Sadd 0.4,0); gfill p--cycle withcolor .8white; gdraw p--cycle; ); endgraph; \stopMPpage However, the Ssub adds instead and gives a line at 1.4 and 2.4. Compiling the above with mpost or mptopdf gives the desired result(s), but I am curious if this can be resolved so such bar graphs could be made within ConTeXT/METAFUN. Thanks! John ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] bar graphs, m-graph, sarith
Metapost now has double precision arithmetic, so one no longer needs to use the string arithmetic macros. However, it may be necessary to use scantokens as in clearxy; z = (scantokens v1, scantokens v2); augment.p(x,0); augment.p(x,y); x := x + 0.4 ; augment.p(x,y); augment.p(x,0); Alan On Sat, 6 Jul 2013 22:01:06 -0400 John Kitzmiller k...@inradius.net wrote: When trying to make a bar graph with m-graph.mkiv and sarith, the command Ssub (string subtract) seems to augment.p(v1 Sadd 0.4,v2);Sadd instead. An mwe of a bar graph: (data1 is a separate file containing 01 02 02 03) \usemodule[m-graph] \startMPpage[instance=graph] input sarith; draw begingraph(5cm,5cm); gdata(data1, v, path p; augment.p(v1,0); augment.p(v1,v2) augment.p(v1 Sadd 0.4,v2); augment.p(v1 Sadd 0.4,0); gfill p--cycle withcolor .8white; gdraw p--cycle; ); endgraph; \stopMPpage ...which gives bars of width 0.4 starting at abscissa 1 and 2 as expected. To increase the width of the bars to 0.8 and have them centered over 1 and 2, I expect to Ssub from the first two augments: \usemodule[m-graph] \startMPpage[instance=graph] input sarith; draw begingraph(5cm,5cm); gdata(data1, v, path p; augment.p(v1 Ssub 0.4,0); augment.p(v1 Ssub 0.4,v2); augment.p(v1 Sadd 0.4,v2); augment.p(v1 Sadd 0.4,0); gfill p--cycle withcolor .8white; gdraw p--cycle; ); endgraph; \stopMPpage However, the Ssub adds instead and gives a line at 1.4 and 2.4. Compiling the above with mpost or mptopdf gives the desired result(s), but I am curious if this can be resolved so such bar graphs could be made within ConTeXT/METAFUN. Thanks! John ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
[NTG-context] bar graphs, m-graph, sarith
When trying to make a bar graph with m-graph.mkiv and sarith, the command Ssub (string subtract) seems to Sadd instead. An mwe of a bar graph: (data1 is a separate file containing 01 02 02 03) \usemodule[m-graph] \startMPpage[instance=graph] input sarith; draw begingraph(5cm,5cm); gdata(data1, v, path p; augment.p(v1,0); augment.p(v1,v2) augment.p(v1 Sadd 0.4,v2); augment.p(v1 Sadd 0.4,0); gfill p--cycle withcolor .8white; gdraw p--cycle; ); endgraph; \stopMPpage ...which gives bars of width 0.4 starting at abscissa 1 and 2 as expected. To increase the width of the bars to 0.8 and have them centered over 1 and 2, I expect to Ssub from the first two augments: \usemodule[m-graph] \startMPpage[instance=graph] input sarith; draw begingraph(5cm,5cm); gdata(data1, v, path p; augment.p(v1 Ssub 0.4,0); augment.p(v1 Ssub 0.4,v2); augment.p(v1 Sadd 0.4,v2); augment.p(v1 Sadd 0.4,0); gfill p--cycle withcolor .8white; gdraw p--cycle; ); endgraph; \stopMPpage However, the Ssub adds instead and gives a line at 1.4 and 2.4. Compiling the above with mpost or mptopdf gives the desired result(s), but I am curious if this can be resolved so such bar graphs could be made within ConTeXT/METAFUN. Thanks! John ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___