[Kstars-devel] branches/kstars/summer/kstars/kstars

Prakash Mohan prak902000 at gmail.com
Mon May 25 13:01:10 CEST 2009


SVN commit 972579 by prakash:

Adding a TODO comment to the KSAlmanac class. The twilight computations are carried out approximately there currently.

CCMAIL: kstars-devel at kde.org


 M  +5 -0      ksalmanac.cpp  


--- branches/kstars/summer/kstars/kstars/ksalmanac.cpp #972578:972579
@@ -95,6 +95,11 @@
     update();
 }
 
+/*TODO This way calculated twilights are longer than real. Moreover solution always
+exists even if sun never goes below 6/12/18 degrees.
+Right way to do this is to find when Sun goes above/below -6/12/18 deg. as done
+in SkyObject::riseSetTime.
+    */
 double KSAlmanac::getAstroTwilight( bool begin ) {
     if(begin) return ( SunRise - 18 * riseRate ); 
     return ( SunSet + 18 * riseRate );


More information about the Kstars-devel mailing list