Re: beaded analemma date sequence

2000-10-03 Thread BillGottesman
John, it occurred to me that if you wanted to use Zonwlak to put beads on specific dates on the Analemmas, one way to do that would be to have Zonwlak include declination lines for those dates. Then when you import it into DeltaCad, place beads (closed circles) on the proper intersections of

Re: beaded analemma date sequence

2000-10-03 Thread fer j. de vries
Hi John, I thought about a procedure in zw2000 to calculate the beads of the EoT curve but the procedure is rather difficult to build in my program. The procedure itself isn't difficult, but to get it correct in my program needs a lot of programming time. I need a different system for counting

beaded analemma date sequence

2000-10-03 Thread John Carmichael
Hello All: Ron Anthony and I have been having a discussion concerning the proper date sequence of a beaded analemma (an analemma which has dates marked on it). We noticed that the Shadows sundial generator program has analemmas with the following dates of each month: 1,6,11,16,21,26. Why would

Re: beaded analemma date sequence

2000-10-03 Thread John Davis
Hi all, Doug Bateman's excellent noon window dial at the Defence Evaluation and Research Agency, Farnborough, is essentially a beaded analemma with one spot per day. It uses slightly larger spots for days 5,10,15,20,25 and the last day of the month. Days 10,20 and last (whether 28,30 or 31)

Re: beaded analemma date sequence

2000-10-03 Thread Sara Schechner
John Carmichael wrote: We noticed that the Shadows sundial generator program has analemmas with the following dates of each month: 1,6,11,16,21,26. Why would this sequence be better than: 1,5,10,15,20,25? I won't venture to guess the motivation of creator of the Shadows program, but I will