The Excel-Spreadsheet Analemma22.xls (zipped in analem22.zip) by Roger an me also includes more than 1 time point per hour. You can download it from webpage http://webland.lion.cc/vorarlberg/280000/sun.htm
Helmut Sonderegger ----- Original Message ----- From: "John Carmichael" <[EMAIL PROTECTED]> To: "Roger Bailey ALT." <[EMAIL PROTECTED]>; "Roger Bailey" <[EMAIL PROTECTED]> Cc: "Sundial List" <[email protected]> Sent: Tuesday, November 12, 2002 11:39 PM Subject: Your new DC macro > Hi Roger: > > I've been using your new DC macro that includes the Bailey Points. I noticed > however that you modified an older version of Fer's analemmatic macro that > only shows hour point time increments. Your modified DC macro would be much > more useful if you would include time points options for 1/2 hrs, 1/4 hrs, > 1/6 hrs as Fer does in his updated version. (see attachment). > > Just a suggestion! > > John > > ----- Original Message ----- > From: "Roger Bailey" <[EMAIL PROTECTED]> > To: "Sundial Mail List" <[email protected]> > Cc: "John Carmichael" <[EMAIL PROTECTED]> > Sent: Saturday, October 26, 2002 11:04 AM > Subject: Seasonal Markers and FEROLOGY > > > > Fer De Vries wrote a series of BASIC macros for Delta Cad that produces a > > design drawing and table of coordinates based on your input parameters, > > latitude, longitude, size etc. These macros are available on the NASS > > website, www.sundials.org The final one of the series "hor_analem3_v2.bas" > > adds what Fer calls "Day Circles" to the analemmatic sundial design. These > > circles that some people call "Lambert's Circles" go through the sunrise > and > > sunset points on the hour ellipse, the focus points of the ellipse and the > > date on the zodiac table. > > > > I have added a few lines of code to this macro to take the sunrise and > > sunset points that Fer calculated and draw the straight lines through the > > seasonal marker points that some people call Bailey Points. The drawing > > produced with this macro demonstrates both concepts well and clearly shows > > the difference. Fer suggested putting the Seasonal Marker lines on a > > separate layer, like the Day Circle layer. He added this so you can now > > turn on and off each of these layers while working in Delta Cad, (View, > Set > > Layers, View Layers etc). Several of the slides in my "seasonal Marker > > "presentation were created using this macro. > > > > The macro is small, ~13 kb so I have attached it for your use and > enjoyment. > > Again I hope that this note and attachment get through the size filter. > > Don't worry if you get a virus warning on this macro. Just save it to your > > disc before using it in Delta Cad. > > > > Roger Bailey > > Walking Shadow Designs > > N51 W115 > > > -
