Dear Dan,
The free open source software TriSph can directly compute this problem.
You can download it here :
http://gnomonique.fr/trisph/index_en.htm
Yvon
Le 22/03/2018 21:58, sundial-requ...@uni-koeln.de a écrit :
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Message: 3
Date: Thu, 22 Mar 2018 16:47:08 +
Michael,
Some years ago, I spent a lot of time to search a simple geometrical
justification of these kind of dial. The best way I found is:
- for the Capuchin: from the orthographic projection of the celestial
sphere on the local meridian (fig. 1)
- for the Universal Capuchin: from the orthogra
plane sundial. Some brief instructions of
use can be found here:
http://ymasse.pagesperso-orange.fr/descad/index_en.htm
Have a good use! Best regards
Yvon Massé
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Hello John,
Although it is not a formula, you can use the "swiss knife" software
TriSph to obtain the hour angle (and also the legal hour) with the
configuration "Position triangle". You can download TriSph here:
http://yvon.masse.perso.sfr.fr/trisph/index_en.htm
Best - Yvon
Le 01/02/2015 1
owing
declination, inclination and even the geographical coordinates!...
Happy dialing
Yvon Massé
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the new
version of Calcad at:
http://yvon.masse.perso.sfr.fr/calcad/
or on the main websites of freeware.
Best wishes
Yvon Massé
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sundials !...
Yvon Massé
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Hello John,
Here is his email address: schneiderde...@wanadoo.fr
Best receipt
Yvon Massé
- Message d'origine -
De : "JOHN DAVIS"
À :
Envoyé : mercredi 11 août 2010 10:57
Objet : Denis Schneider
Dear Colleagues,
I am trying to make contact with the French diallist
Dear Nicola,
Many thanks for your wonderful Digital Gnomonic Links project I discover
following your message. It is a very great idea to publish these links that
are, for me, a major interest of the web.
Some months ago, I collected some links of this type.
You can find them at (with a little bit
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De : "Yvon Massé"
À :
Envoyé : samedi 27 mars 2010 20:22
Objet : Sundial software
> Dear all,
>
> I am pleased to inform you that the sundial software I wrote, Calcad, is
now
> available in English language.
>
> Calcad is a new approach in the practical design of sundia
Hi Tom,
If you want to compute a sundial without to take measurements, just to
understand the functioning of the software, you can use the simulation that
will calculate the measurements.
Yvon
- Message d'origine -
De : "Tom Laidlaw"
À : "'Yvon Massé'&quo
Hi Roderick,
You are right, it is the length of the side for a square dial. This label
has remained in French by error.
Yvon
- Message d'origine -
De : "R Wall"
À : "Yvon Massé" ;
Envoyé : samedi 27 mars 2010 22:21
Objet : Re: Sundial software
>
> Hi
guage mistakes I
made. This will give a nice tool for beginners in gnomonic.
Yvon Massé
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