Re: Large Igneous Provinces and Mercator projection
Paul Wessel <[email protected]>
| Newsgroups | gmane.comp.gis.gmt.user |
|---|---|
| Message-ID | <[email protected]> |
This problem should be gone in GMT5 (r12739) and GMT 4 (r10179). Let me know otherwise. -p On Jan 9, 2014, at 10:03 AM, Paul Wessel <[email protected]> wrote: > I can confirm the problem and will be working on a fix. It affects both GMT 4 and 5. > -p > > On Jan 9, 2014, at 4:25 AM, Langlois <[email protected]> wrote: > >> Dear GMT-users, >> >> I want to draw maps showing the large igneous provinces and hotspots of South Atlantic, using the LIPS.2011.gmt file available at ftp://ftp.ig.utexas.edu/pub/LIPS/Data/ >> So I use -R-70/30/-55/25 and -JM-20/-15/12c but the map shows unexpected large colored bands (see attached map), which seems to be inadequately mapped LIPS from elsewhere… >> I note that : >> 1) the problem don’t appear when mapping the LIPS.2011.gmt file on a global map with Mollweide or Hammer projection >> 2) it disappears when I use projection from the zero longitude ! (that is, not with -JM0 or -JN0) >> 3) it disappears also when I write a new data file taking only the Atlantic's LIPS… >> So the problem comes clearly from the LIPS.2011 file (it was already there with the previous LIPS.2004 version…), but I don’t see where’s the bug in the data. >> >> Thanks for help, >> Cyril Langlois >> >> <GMT5_hotspots-Atl-S.jpg> >> Dr. Cyril LANGLOIS >> Professeur agrégé - enseignant de Sciences de la Terre >> [email protected] >> Tél. portable : 06 89 05 68 22 >> Tél. bureau : 04 72 72 85 28 >> § --------------------------- § >> Préparation à l'Agrégation SV-STU >> Ecole Normale Supérieure de Lyon - Site Monod >> 46, allée d'Italie >> 69364 Lyon cedex 07 >> § --------------------------- § >> >> To unsubscribe, send the message "signoff gmt-help" to [email protected] > To unsubscribe, send the message "signoff gmt-help" to [email protected]