Hi Roger and Helmut When you geniuses have finished debugging your spreadsheet, let us know so that so that we can trash all the other versions we have. I've got so many now its getting confusing!
John John L. Carmichael Jr. Sundial Sculptures 925 E. Foothills Dr. Tucson Arizona 85718 USA Tel: 520-696-1709 Email: [EMAIL PROTECTED] Website: <http://www.sundialsculptures.com> ----- Original Message ----- From: "Sonderegger Helmut" <[EMAIL PROTECTED]> To: <sundial@rrz.uni-koeln.de> Cc: "Roger Bailey" <[EMAIL PROTECTED]> Sent: Tuesday, May 21, 2002 5:19 AM Subject: Re: Seasonal Marker Position > Hello to all, > > some time ago Roger explained his ideas of Seasonal Markers in analemmatic > sundials. After some further discussions the new version 2.0 of the > spreadsheet for analemmatic sundials can be downloaded from my homepage. > Some of the new features: > - Rogers ideas of the Epicycle for more precise information about sun set > and rise are in Chart "Epicycle" > - start and end time for time marks can be input, also the number of time > marks per hour > - inclined planes are allowed (without deviations from N - S ) > - chart "error" shows the size of the error in degrees if only one > particular point on either side of the N-S-axis is used as SeasonalMarker > for reading time and azimuth of rise / set. (And it was for me rather > unexpected, that this error does not change with different inclinations of > the gnomon or the dial plane. But in inclined dials with not vertical gnomon > only reading of azimuth of rise/set ist possible.) > - some reorganisations of the spreadsheet were made to get more clear > DATA-printouts. > > Please test all, have fun, ... and let me know about all bugs and errors > you've found! > > Helmut > > > Helmut Sonderegger, A-6800 Feldkirch, > 47,25 N, 9,59 E > Email: [EMAIL PROTECTED] > URL: http://webland.lion.cc/vorarlberg/280000/sonne.htm > > - > -
