Re: Limb Darkening
"Eduardo A. Suárez" <[email protected]>
| Newsgroups | gmane.comp.gis.gmt.user |
|---|---|
| Message-ID | <[email protected]> |
Hi, Quoting Paul Wessel <[email protected]>: > You mean for a spherical earth plot (-JG etc)? yes > Seems like you could fake this by computing distances from the > central point and then manipulate those to to simulate their > equation. perhaps you could rewrite their equation using the above > distances instead of their angles theta or psi? I did this: gmt grdmath -R-90/90/-90/90 -I15m $c_lon $c_lat SDIST 10 POW NORM 1 EXCH SUB = limb.nc where $c_lon $c_lat are the center of projectio -Jg The difficult is to find a nice decay rate, I've ended using dist^10 Eduardo.- -- Eduardo A. Suarez Facultad de Ciencias Astronómicas y Geofísicas - UNLP FCAG: (0221)-4236593 int. 172/Cel: (0221)-15-4557542/Casa: (0221)-4526589 ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program. To unsubscribe, send the message "signoff gmt-help" to [email protected]