Re: DeltaCad has been discontinued

Diese Nachricht wurde eingewickelt um DMARC-kompatibel zu sein. Die eigentliche Nachricht steht dadurch in einem Anhang. This message was wrapped to be DMARC compliant. The actual message text is therefore in an attachment.--- Begin Message --- I would offer for consideration several options that

Re: A mis-aligned vertical dial

Diese Nachricht wurde eingewickelt um DMARC-kompatibel zu sein. Die eigentliche Nachricht steht dadurch in einem Anhang. This message was wrapped to be DMARC compliant. The actual message text is therefore in an attachment.--- Begin Message --- Although the original question referred to a

Re: Fwd: Re: The utility of sundials today.

The study of sundials includes many disciplines. History, Geography, Solar system, Geometry, Trigonometry, and from that come an understanding of kinds of time, algorithms, hence coding, and related disciplines. The seasons and why. And I could go on. Yes, different numbering systems and how

[no subject]

Diese Nachricht wurde eingewickelt um DMARC-kompatibel zu sein. Die eigentliche Nachricht steht dadurch in einem Anhang. This message was wrapped to be DMARC compliant. The actual message text is therefore in an attachment.--- Begin Message --- Jack thanks for the feedback, I appreciate it. Simon 

Re: Subject heading

for years yahoo mail worked for me on this list, then it stopped, both on my PC and my Android. I switched to Gmail and now my emails work. Much email is, I believe, Web based nowadays. So a listserv should be able to handle Web based as well as other email sources. My neighborhood

Re: It's still summer in Sydney (or is it?)

well,  March in Phoenix can seem like summer, February like Spring. Fall in mid November, winter in December :) However even Arizona has an artificial set of dates now for the monsoon. The monsoon used to be defined by several days in a row of high humidity, and end some tome later. That

RE: Paper cubical sundial

I test my small dials in the sun. My small ones are tested with a known accurate small dial.  good luck Simon  Sent via the Samsung Galaxy Alpha™, an AT 4G LTE smartphone Original message From: Dan-George Uza Date: 03/09/2016 07:00

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--- Begin Message --- I started programming some 50 years ago (ALGOL on the Elliot 803, then Autocoder on the IBM 1401, then BAL on the IBM 360, 370, etc and more).  Anyway, someone pointed out a bug in my master spreadsheet, for which I am thankful. The "illustratingShadows.xls" spreadsheet

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--- Begin Message --- Test from Simon W-S Sorry group, I am just trying to resolve my email being an attachment. Thanks for your patience. Simon Simon Wheaton-Smith http://www.illustratingshadows.com/ Phoenix, Arizona, W112.1 N33.5 From: "steve-ir...@cox.net" To:

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--- Begin Message ---  Frank your message showed up. I never see my posts, and worse still, if I reply from my cel phone then they do seem to appear but as an attachment. And I do not blame people for not opening attachments. Simon Wheaton-Smith www.illustratingshadows.com Phoenix, Arizona,

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--- Begin Message --- a gnonom measures the hour angle of the sun around the earth north south polar axis. so it is set at latitude. you are correct.the gnomon is parallel to the earth at the equator, and that is a polar dial, called so because the dial.plate parallels the polar north south

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--- Begin Message --- as a student of world war II methods of navigation, what about "pressure pattern navigation". A fixed heading gets you there even if you wander all over the sky. Just thought I would confuse the issue. Simon www.illustratingshadows.comPhoenix, AZ Sent via the

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---BeginMessage--- Some initial questions might be what was the design latitudewhat was the design longitudeis the dial plate actually correct (hour line angles, style angular height) assuming the dial itself is accurate for a specific latitude, then you may decide the dial should be tilted

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---BeginMessage--- my website has the appendices to my book for free, and they are 180 pages. Also he supplemental material us for free. Together you should get the inclined decliner formulae info uou seek. Of course, my main book has two chapters on the inclined decliner, one covers shallow

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---BeginMessage--- I built a ceiling dial with the mirror on the inside, rigidly attached. Some relevant factors I considered were mirror stability, and of course latitude. At my latitude the sun is rather high in the summer and a roof overhang can aggravate that situation. The biggest problem

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---BeginMessage--- ooops  ~ the pictures I attached were for the dial without longitude correction, sorry. Not relevant to the issue at hand, namely the key point was the use of the .STL file type and suffix. US printer prices are similar to those in Australia I think, I imagine other printer

[no subject]

---BeginMessage--- what operating system and release level? deltacad and windows 8.1 remembers the last macro folder, but not in windows 8 at least that is what I experienced. simon  Sent via the Samsung Galaxy Alpha™, an ATT 4G LTE smartphone Original message From: Donald

Re: Sundial math

Allow me to suggest my own web site:- http://www.illustratingshadows.com/ I have many free articles and books for download. In particular Supplemental Shadows gets into some math for gnomonics, as does Programming Shadows for those interested in programming. Simple Shadows has simple

sorry, this is a test

none of my emails have made it to this list, this is a test, sorry Simon Simon Wheaton-Smith www.illustratingshadows.com Phoenix, Arizona, W112.1 N33.5--- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Request for information about a type of altitude dial

The benefit of an altitude dial is that it does need to be aligned with the polar axis. With that concept in mind then a latitude adjusted altitude dial is not feasible. However, if one gives up that benefit, and takes an altitude dial and then  tilting it towards the pole, or away from it, in

Re: Request for information about a type of altitude dial

* The benefit of an altitude dial is that it does need to be aligned with the polar axis. With that concept in mind then a latitude adjusted altitude dial is not feasible. However, if one gives up that benefit, and takes an altitude dial and then  tilting it towards the pole, or

Re: SCOTTISH SUNDIAL

The IV as opposed to the worries me.   Simon Simon Wheaton-Smith www.illustratingshadows.com Phoenix, Arizona, W112.1 N33.5 From: Dennis Cowan dennis.co...@btinternet.com To: sundial@uni-koeln.de Sent: Tuesday, January 21, 2014 2:36 PM Subject: SCOTTISH

Powerdraw ~ another free 2d CAD system

Finding myself house bound for a few days, and remembering someone mentioned Powerdraw a few months ago, I decided to look into it.   I have macros for dials in TurboCAD, DeltaCAD, NanoCAD, FreeCAD, ProgeCAD, and Blender (which is a modeling system rather than a CAD system).  But I had avoided

Re: Arabic Numerals ps

The reason I pointed out the subtle differences in some depictions is two fold. First, I have made some sundials with true Arabic depictions, and second, the book Osmanli Gunes Saatleri uses both depictions (p36,37 vs p39 for example), and is an enjoyable book, which I have used as inspiration

Re: Sundials in schools

An observation about selling.   Successful sales happen when people BUY as opposed to when someone SELLS. A good salesperson creates in the buyer a desire to buy, that is the motive force.   You have had some good ideas from others on this group. Takes the best of each suggestion, and blend

Re: a 3d printer printed sundial

[illustratingshadows Sent: ‎Thursday‎, ‎July‎ ‎4‎, ‎2013 ‎3‎:‎11‎ ‎AM To: Willy Leenders Cc: sundial@uni-koeln.de   One of the lessons I have learned over the years is that a single picture or a short paragraph, all possess generalizations, distortions, deletions, suppositions, and other communication

Re: a 3d printer printed sundial

From: Willy Leenders willy.leend...@telenet.be To: Simon [illustratingshadows illustratingshad...@yahoo.com Cc: sundial@uni-koeln.de sundial@uni-koeln.de Sent: Wednesday, July 3, 2013 5:40 AM Subject: Re: a 3d printer printed sundial Miraculous technology

Re: a 3d printer printed sundial

Of course the clock time was 1030 mst not 1130, my error. AZ does not have daylight saving time. Simon   Simon Wheaton-Smith www.illustratingshadows.com Phoenix, Arizona, W112.1 N33.5 From: Simon [illustratingshadows illustratingshad...@yahoo.com To: sundial

Re: Dials that don't work

www.illustratingshadows.com/zz-what-not-to-buy.html   just the url, as my attached file may have been too large. The pdf has the details.   Simon Simon Wheaton-Smith www.illustratingshadows.com Phoenix, Arizona, W112.1 N33.5 --- On Wed, 4/17/13, Jackie Jones jac...@waitrose.com wrote: From:

another free programmable CAD program in addition to DeltaCAD and FreeCAD

In addition to DeltaCAD, I mentioned a while back that FreeCAD was free, all inclusive, and programmable using Python. My python programs for FreeCAD include hDial, vDial, vDec, mDial, pDial, Shepherd, winged azimuth, the Cappucin dials, and an almanac.

Re: Cut out dials

My offering is Cutting Shadows and page 14 has a simple horizontal dial for southern England, a few cuts, a few folds, and it is a popup horizontal sundial.   http://illustratingshadows.com/stats-popup-shadows.html   That book also has lots of other cutout dials, however the popup variety may

Re: CAD programs in addition to DeltaCAD ~ that actually work

[illustratingshadows illustratingshad...@yahoo.com wrote: From: Simon [illustratingshadows illustratingshad...@yahoo.com Subject: CAD programs in addition to DeltaCAD ~ that actually work To: sundial@uni-koeln.de Date: Tuesday, February 26, 2013, 10:37 PM I have finished some CAD programs for systems other

CAD programs in addition to DeltaCAD ~ that actually work

I have finished some CAD programs for systems other than DeltaCAD. DeltaCAD has their version 8 release out, by the way. I have DeltaCAD macros for all sorts of dials. FreeCAD ~ this is free, and is a 3d as well as 2d CAD, and unlike a lot of free CAD programs, really does do what it says. I

Re: equation of time sundial

A good question, however except for the solstices, there is ambiguity. Each declination has two dates. For example March and September equinoxes are 6 months apart, but same declination.    Simon Simon Wheaton-Smith www.illustratingshadows.com Phoenix, Arizona, W112.1 N33.5 --- On Sun, 2/3/13,

Re: conservation

I know almost nothing about stonework restoration although I have training as a sculptor way back when. And I am good with glass restoration. Either way, when I lived in Somerset, England, we did use lime as I recall. Also, Jaipur is, I understand, suffering from restoration errors. And I would

Re: Analemmatic sundial

seems to me a polar dial would be ideal, and the thought of polar ice at the equator could only but help:) Simon Simon Wheaton-Smith www.illustratingshadows.com Phoenix, Arizona, W112.1 N33.5 --- On Sun, 1/13/13, Tony Moss tonylindi...@talktalk.net wrote: From: Tony Moss

Re: Armillary Sundial

Chapter 9 of Illustrating Time's Shadow covers the armillary and the open book dials in great detail along with case studies. And chapter 25 covers the analemma issues with armillary dials for both the gnomon and the dial plate. Also, the DeltaCAD macro MAIN-calendar-curves.bas choice 4 then 1

Re: Another sundial related app

Let me add that my website also has spreadsheets specifically for the smart phones:- days almanac horizontal dial vertical dial vertical decliner dial altitude azimuth and they work on Kingsoft and e-droid-cell lite which are also free. And while at it, I have

Re: new app Sol Et Umbra for Android

very nice app, beat me to it! :)   Simon Simon Wheaton-Smith www.illustratingshadows.com Phoenix, Arizona, W112.1 N33.5 From: sun.di...@libero.it sun.di...@libero.it To: Sundial list Sundial list sundial@uni-koeln.de Sent: Tuesday, October 9, 2012 1:49 PM Subject: new app Sol Et Umbra for

Re: Wall declination

A sat image gets you close, the azimuth method of measuring the wall declination has inaccuracies as well, however it is probably better with enough samples. I use the sat image when I feel it is detailed enough for an estimate, I verify it with the azimuth method and if close, then I make a

Re: sundial Digest, Vol 72, Issue 11

Andrew Pettit, and Mike Shaw espouse views that I support. The map is not the territory, which in this case means that what actually happens and what we say happens do not match. And if it is easier to understand a sundial by saying that the sun moves across the sky, especially since that is

Re: sundial Digest, Vol 72, Issue 11

I was asked in a separate emial to expand on why one uses the sun rotates around the earth. My reply was...  If the student understands the various differing frames of reference, then the frame of reference that simplifies the current need is the best one to use. Were one to insist that the sun

Re: a reverse sundial for the blind

Unless I am completely missing the point, the point-the-watch-at-the-sun is using the sun's azimuth. While for azimuth there is symmetry on the legal meridian, not so as you offset. In fact, noon aximuth becomes a curve not a line between winter and summer, when longitude corrected. Simon

Re: BBC bans The B.C. and A.D.

And we lose common sense. I sincerely believe that no matter how well intentioned, political correctness will be part of our downfall. On the one hand it forces people to repress real expression. On the other hand it creates a false sense of security.   So, thanks for raising it and talking

Re: Video Animation of Vertical Wall Sundial

Thanks John, it also has a link to 3d images. Anyone interested, I have several pages of 3d images of sundials at:-   www.illustratingshadows.com/3d   I like the 3d images that do not need glasses because they are easy to use (if you can let your eyes drift), and help clarify stuff, which is why

Re: EOT

The EOT develops with the sun because the sun is what we orbit, eliptically, and because our axis is tilted compared to the ecliptic. Those are the two major variables in the EOT.   Such is not the case for the stars, we do not in essence orbit them. So using the stars for measurint time, there

Re: EOT

Chapter 5, pages 28 through 34, of Illustrating Time's Shadow discusses the rotational issues and for context shows a star a long way away. And you get into what is the definition of a day. Kepler's law explains one major part of the EOT; the Earth's tilt explains the other major component. And

Re: The Sun's Azimuth

The sun is where it is supposed to be. The sunrise and sunset azimuth has done what it normally does after the summer solstice, it moves toward the equator. And yes I have azimuth dials here, as well as altitude dials, and hour angle dials. They are all doing as I would anticipate. In fact, two

Re: Falling Tree

I hate to say this, but since Descarte has been dragged into the discussion, you need to know of his sad fate, and how he vanished from the face of the earth. He was in a cafe in Paris when a waiter asked if he would like to see the menu. He answered I think not. Simon Wheaton-Smith

Re: R: RE: Flow of medieval glass

My two cents worth, having worked with glass for decades.   1. don't confuse an object bending under its own weight with the object being fluid.   2. since this news group deals with sunlight, we should remember that light     is both a particle and a wave, and there were heated discussions back

Re: Sundial generator

If you want one single program, I would recommend ShadowsPRO. The caveat with it is that even if you enter a longitude, it ignores it UNLESS you tell it to use the entered longitude. It is an excellent program. If you want something in Excel (or Open Office) I suggest my main spreadsheet

Re: mock stained glass sundial

Having worked with SG for some 35 years I might suggest three things.   1. The gnomon can be any reasonable distance from the dial plate, however, the style when extended must meet the dial center on the dial plate.   2. There are easy ways to affix a gnomon to glass.   3. Better still, make a

Re: solar compass

This, albeit short, thread has been fascinating. As a naval reserve person, and as an airman later, I stick to the astro compass. The army types do deserve some credit for using methods other than those in use by the other services:) Donald, thanks for raising the topic. Simon Simon

Re: solar compass

I doubt they used an analemmatic dial, they did however use the astro compass. I have 5 of them, plus the RAF handbook of navigation as well as the equipment descriptions of all RAF navigation instruments. My website has an astro compass page, check the SOFTWARE section of my main page. It has

Re: Shadow Forensics

There was also an episode of Monk (the detective) that bust an alibi based on shadows. Simon Wheaton-Smith www.illustratingshadows.com Silver City, New Mexico W108.2 N32.75 and Phoenix, Arizona, W112.1 N33.5 --- On Fri, 7/8/11, Brooke Clarke bro...@pacific.net wrote: From: Brooke Clarke

Re: School analemmatic sundial

A nice dial of the kind of which you speak would be about 15 or so feet wide, is fun for kids, the theory may be more involved than using a horizontal dial, with the kids standing at a point based on their height. Either way, have fun. There are many web sites to look at, Carl's Sundial Primer

Re: How to force spreadsheet to create printable graph with same scale in X and Y?

Even if you could get equalspacing, aspect ratios would still be a problem. My solution was in both my Excel and Open Office spreadsheets (see my website) to also print a square box with diagnols to show a V or an A. Then changing manually the X span of the chart until the V or A apex measured

RE: OBASIC on a 64 bit Windows 7 PC?

This does not answer the focused question, but may answer the bigger one in the context of Basic. JustBasic has a free version as well as a paid version, it has an IDE, and I have run it on almost all platforms. Worth looking at. I have had problems on Windows 7 on a number of packages,

Re: Sun City sundial in jeopardy - update

For those following this, the board has, luckily, decided to have the dial repaired. Simon Wheaton-Smith www.illustratingshadows.com Silver City, New Mexico W108.2 N32.75 and Phoenix, Arizona, W112.1 N33.5 --- On Tue, 2/22/11, Fred Sawyer fwsaw...@gmail.com wrote: From: Fred Sawyer

RE: part 2 of longitude correction

Daylight Saving Time ~ in the lower states where the difference between winter and summer daylength is less than the northern states, I wish we had either no summer time shift, or, stay on summer time. Let the businesses adjust their opening hours based on their specific needs in their

RE: part 2 of longitude correction

My two cents.   Dials that may be moved, I make those with no longitude correction, unless the person I make it for wants that correction.   Dials that are too large to move I include the correction.   I have to agree with Jogn Carmichael re the customer is always right, after all they pay the

Re: longitude correction

What is rotated by the longitude difference is only an equatorial or an armillary dial. The resulting horizontal or vertical or whatever dial that results from its surrogate equatorial dial will then have correct hour line angles.   The old wive's trick only works for lattitudes as they

Re: part 2 of longitude correction

No, see previous reply.   A horizontal dial hour line angles are:-  arctan( tan(longDiff + hourFromNoon*15) * sin (lat) )   the relationship of longitude difference to hour line angle involves the sine of the latitude, and only as the sine of the latitude approaches 1, as when approaching the

Re: Great Circle Studio's Solar Calculator is back!

The magnetic declination of 10s of thousands of degrees is in need of fine tuning. But otherwise, a very nice presentation.   Simon Simon Wheaton-Smith www.illustratingshadows.com Silver City, New Mexico W108.2 N32.75 and Phoenix, Arizona, W112.1 N33.5 --- On Tue, 12/28/10, Th. Taudin Chabot

Re: Is This True? and...

I imagine the article refers to The Tower of Voices but that is a long way away from the maple tree crescent, so I question whether they relate. There is a powerpoint on the web site:   http://www.nps.gov/flni/parkmgmt/the-memorial-design.htm  

Re: Declination and Inclination

I am at a quick stop while on itinerary. Somewhere you have to address N and S as a basis for declination, ad then E or W. And somewhere you have the inclination. Thus there should be no confusion. S 45°W inclined 20° for example. Chapter 18, pages 171 to 202 of Illustrating More Shadows

Re: Declination and Inclination

I am at a quick stop while on itinerary. Somewhere you have to address N and S as a basis for declination, ad then E or W. And somewhere you have the inclination. Thus there should be no confusion. S 45°W inclined 20° for example. Chapter 18, pages 171 to 202 of Illustrating More Shadows

Re: Polar sundials

A horizontal dial, with no longitude correction, matches a vertical dial, with no longitude correction, BUT for co-latitude. If longitude correction is added, then the correction is opposite. And the shadow moves clockwise on one, counter clockwise on the other. The attachment is only 30K, it

Re: Analemma for Equatorial Sundial - DeltaCAD

[illustratingshadows illustratingshad...@yahoo.com Cc: sundial@uni-koeln.de Date: Monday, March 22, 2010, 7:49 PM Hi,    Simon's message has reminded me of a broader question I intended to raise earlier.  I recently tried running one of Simon's great DeltaCAD programs in DC7, and found it wouldn't work

Re: Analemma for Equatorial Sundial

[illustratingshadows illustratingshad...@yahoo.com Cc: sundial@uni-koeln.de Date: Monday, March 22, 2010, 7:49 PM Hi,    Simon's message has reminded me of a broader question I intended to raise earlier.  I recently tried running one of Simon's great DeltaCAD programs in DC7, and found it wouldn't work

Re: Analemma for Equatorial Sundial - PS

...@adelaide.edu.au Subject: Re: Analemma for Equatorial Sundial To: Simon [illustratingshadows illustratingshad...@yahoo.com Cc: sundial@uni-koeln.de Date: Monday, March 22, 2010, 7:49 PM Hi,    Simon's message has reminded me of a broader question I intended to raise earlier.  I recently tried running

Re: Analemma for Equatorial Sundial

Also, my analemma.bas DeltaCAD program has options for the analemma on an equatorial dial, choice 2 allows the analemma to be on the dial plate or on the gnomon.   Simon Simon Wheaton-Smith www.illustratingshadows.com Silver City, New Mexico W108.2 N32.75 and Phoenix, Arizona, W112.1 N33.5 ---

Re: DST Misconceptions

My understanding, not having followed this thread, is that at best there is a believed savings of energy to the order of 1%. I have no idea if that is statistically valid. I am also told that the shift from standard to daylight time causes some 263 traffic deaths during the transitional period,

Re: animation of shadow pathway

2d animation: I put animation into the DeltaCAD macros I wrote, and you can animate the shadow as it runs through the day for a given solar declination. I also animate the declination curves by varying the latitude. Additionally, my SciLAB programs animate the shadow. Yes, capturing is a

Re: 3d sundial-model?

I also use steam engine methods for seeing how trees and building affect my dials. I made a simple set of altitude triangles placed on azimuth lines, and hold it to my eye, it being aligned true south. And My eye sees if the trees affect the dial. This is the same method I used when I installed

Re: Troublesome things these sundials!

May I suggest MICRO SHADOWS on my website, it is free. If theory is wanted, SIMPLE SHADOWS, on my web site, also free. And if paper cut outs are wanted, CUTTING SHADOWS, also free on my web site. Simon www.illustratingshadows.com --- On Sun, 12/6/09, Len Berggren bergg...@sfu.ca wrote:

Re: BSS web site

Wow! I think you are right. Look on the bright side, sundials are often on lawns, lawns need mowing, hence the connection:) Simon www.illustratingshadows.com --- On Wed, 11/25/09, Andrew James andrew.ja...@pri.co.uk wrote: From: Andrew James andrew.ja...@pri.co.uk Subject: BSS web site To:

Re: BSS web site

Are you sure you got the site and not your own computer's cached version? Simon --- On Wed, 11/25/09, Mike Isaacs m...@mdji.co.uk wrote: From: Mike Isaacs m...@mdji.co.uk Subject: Re: BSS web site To: Andrew James andrew.ja...@pri.co.uk Cc: sund...@rrz.uni-koeln.de Date: Wednesday,

RE: Distorted DeltaCad

While I have had less problems with DeltaCAD, I have had similar problems with other graphics programs. So I added a V or inverted V into the dial plate display of some of them, built by drawing two orthogonal lines. Then when later printed out, I can see if they are at 90 degrees, and hence of

RE: Analemma

On my website ( www.illustratingshadows.com ), go to the Excel, or Open Office, or MSworks sections and there you will see my spreadsheets. The main spreadsheet in Excel and in Open Office (formula syntax do differ), have calendar information such as you seek. So do my DeltaCAD macros. And in

Re: New DeltaCad macros

An update to my software on www.illustratingshadows.com In addition to the DeltaCAD macros for all the dial types, I have added some new features. Some of those macros now have the analemma option built into them. A new macro analemma.bas which has associated documentation discusses analemmas

Re: Inclining Cone Gnomons

Tony it was a wet day, and I slid accidentally on some grass and hit my head on the gnomon of a large vertical decliner. That happened a few years ago, and is one of the reasons I dedicate a page to dial safety in my book Illustrating Time's Shadow, and its predecessor books. And I am

Re: sailors

Yes there are. I was in the RNR, I have two bubble sextants and several astro compasses, my standard sextant however is no longer with me. Simon Wheaton-Smith --- On Mon, 8/24/09, Frank Evans frankev...@zooplankton.co.uk wrote: From: Frank Evans frankev...@zooplankton.co.uk Subject: sailors

Re: a spherical gnomon

I am not sure what you mean by size or shape of the gnomon, however if you wish to look at some math for analemmas shaped gnomons, and the pros and cons, look at my FURNITURE then ANALEMMA piece on the top left side of my web site for some hints. Simon www.illustratingshadows.com --- On Thu,

Re: Pupil Project

It looked to me like it was universal. Either way, good models are on my web site as wel as Carl's Sundial Primer. And their is a published book on nothing but paper cutouts. Simon --- On Tue, 6/23/09, Edley McKnight e...@dcwisp.net wrote: From: Edley McKnight e...@dcwisp.net Subject: Re:

Re: Sundial compass on eBay

It is an astro compass, I have four of them and they work well, I got my first one when I was at school in England, I was 16 at the time. I cover their use in my spreadsheets: illustrating-shadows.xls (for Microsoft Office, Excel) and: illustrating-shadows.ods (for Open Office, a free system

Re: 2009 EofT ON A MAC

Open Source and GNU is catching on. In particular, Open Office makes Word and Excel available across platforms. Open Office is free, is almost compatible with Word and Excel, and has PDF exporting built in. My spreadsheets:illustrating-shadows.ods and:

Re: International Year of Astronomy 2009

. Best Wishes for the New Year Gianni Ferrari P.S. Here in Italy our Sundial Society has its meetings (Seminari di Gnomonica) every 1.5 years, once near the Spring Equinox and the following near the Autumn Equinox. 2009/1/1 Simon [illustratingshadows

RE: International Year of Astronomy 2009

We here in Silver City, New Mexico, USA declared the September equinox as Sundial Day by a proclamation from the mayor. A copy was sent out as an attachment to the NASS bulletin a couple of years back. At that time I encouraged others to do the same but I never heard back as to whether anyone

Re: Moondial, rather than sundial, timekeeping related

The moon is highly variable.   I implemented the algorithms for lunar phases in my main spreadsheet illustrating-shadows.xls as well as for the Open Office (a free full scale system) illustrating-shadows.ods, and I researched back through a number of air and nautical almanacs and concluded in

Re: Dialing Software w/ 64-bit Vista

I cannot resistpointing out that OS/2 Warp could do that 10 years ago. I used to run OS/2 as well as boot from a DOS diskette and also boot from a Unix partition at the same time. I know my comment is nothing about sundials, but it does reiterate that IBM OS/2 was way ahead of Microsoft

Re: Sundial time marks in France.

Double British Summer TIme is what it is called, I think. And yes you ar eon the right track. And in sunny New Mexico, the sun is still shining, over night lows are at freezing, and the days are mid 50s to high 70s, under blue windless skies. Somewhat different from Somerset where I was born

Re: advise

I would suggest four web sites to consider. The Sundial Primer and Illustrating Shadows are full of easy to complex tools for any kind of sundial you would consider. NASS and BSS (The North American and the British Sundial Societies). All sites have good links. On my web site you may want to

Re: 'Folded' Gnomon Declining dials?

to measure along the gnomon in any case. Chris - Original Message - From: Simon [illustratingshadows [EMAIL PROTECTED] To: Sundial List [EMAIL PROTECTED]; Patrick Powers [EMAIL PROTECTED] Sent: Friday, September 12, 2008 3:30 PM Subject: Re: 'Folded' Gnomon Declining dials

Re: Transfer to EXCEL

Page 8 of Calculating-Shadows.pdf on my website www.illustratingshadows.com goes into this issue. Watch out for how Excel handles the INT function. I can't remember if I left Calculating-Shadows.pdf in the booklet section, if not then do:-

RE: Vertical declining sundial help

Standards are essential in many lines of work. However, standards also tend to limit, and in some cases lower the bar by going to a common denominator. Standards can also become esoteric at the other extreme. And many times standards are built by the academia without regard to the

Re: Vertical declining sundial help

There are a number of good programs for computers that are free that handle vertical decliners. On my website there is free code for free CAD programs such as PROGECAD, excel sheets, and code for free legacy compilers, and notes on how to download them. For the vertical decliner, I have code

Re: Equation editor software

Word uses about the most non portable format you could ever imagine, and there are actually some reasons for that. In summary, many documents use a default font, and when sent to another computer, that computer's default fonts are often used. Tabs, and page setups affect the layout, as does the

Re: Shepherd's (cylinder) dial.

with this assessment? Thad Simon [illustratingshadows [EMAIL PROTECTED] wrote: Two points. First, two gnomons are used for summer and winter. I have quite a few with two gnomons. Second, the shepherd dial can be used at different latitudes, there is one constratint

Re: Shepherd's (cylinder) dial.

Two points. First, two gnomons are used for summer and winter. I have quite a few with two gnomons. Second, the shepherd dial can be used at different latitudes, there is one constratint and that constraint removes the main benefit of the sundual. I go into this issue as well as the same issue on

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