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Primary Direction Explorer 0.6.2

 
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Ouranos



Joined: 28 Mar 2020
Posts: 375

Posted: Mon Jun 14, 2021 8:38 pm    Post subject: Primary Direction Explorer 0.6.2 Reply with quote

Found this site
http://philipeau.free.fr/logiciels.htm

Free astrology programs for Windows, MAC, Linux, Android
Western, Indian, Chinese astrology
Some material outdated but one interesting program
- Primary Direction Explorer 0.6.2 Alpha version- by Dimitry V. Leonov
You also need to download separate Atlas for each country and extract it in the Atlas Folder
http://pdexplorer.sourceforge.net/atlas/00_install.html

Would like to hear feedback from people who use it.
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robhywolf



Joined: 08 Jan 2012
Posts: 44
Location: Lucca, Italy

Posted: Sat Jun 19, 2021 9:20 am    Post subject: Reply with quote

At that time I studied the program and had an email exchange with the author. It would be difficult to go into details, which I do not remember exactly, but as far as I have verified the primary directions of the PDE are not the traditional ones.

Roberto
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Ouranos



Joined: 28 Mar 2020
Posts: 375

Posted: Sat Jun 19, 2021 10:20 am    Post subject: Reply with quote

Appreciate your feedback robhywolf !
Which one do you use?
Using also the equidistant position and Latitude of the PD?
Just curious of the evaluation people have on PD programs.
Will re-read a few posts on PD here.

Thank you,
Ouranos
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robhywolf



Joined: 08 Jan 2012
Posts: 44
Location: Lucca, Italy

Posted: Sat Jun 19, 2021 3:39 pm    Post subject: Reply with quote

I am not an orthodox traditionalist astrologer :-)
I prefer not to express opinions.
On this splendid forum you will find a thousand tips.

Roberto
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james_m



Joined: 05 Dec 2011
Posts: 3950
Location: vancouver island

Posted: Sun Jun 20, 2021 4:00 pm    Post subject: Reply with quote

ouranos

martin gansten wrote a book on primary directions... he also wrote another book giving examples on the use of primary directions - more elaborate then the first one he wrote on primary directions... he uses morinus and explains the options he likes to work with... morinus is a free program too! are you familiar with it or martins work?? check all that out.. cheers james

https://sites.google.com/site/pymorinus/
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Ouranos



Joined: 28 Mar 2020
Posts: 375

Posted: Mon Jun 21, 2021 8:38 am    Post subject: Reply with quote

Thank you James,
Yes I do have the excellent book by Martin.
And I use his settings for Morinus.
To which I have added a search for Parallels. Not sure if Martin can comment on the accuracy of Parallels in Morinus (in Mundo?) or if their use is relevant enough.

Long story short I have 2 issues
1) Long time ago, I had a friend astrologer who rectified my chart with PD using Placidus semi-arc method.. To which later, Robert Hand dismissed as being incorrect. My chart was off by less than 2 minutes. I rectified it by 20 seconds using midpoints in a tight orb of 5 minutes.
2) Is there a way in Morinus to get a Primary Direction 'equidistant from the Angles' ?
Example: In same sign Mars 2 degrees - MC 5 degrees - Saturn 28 degrees
When the PD MC reaches 15 degrees, he is at the midpoint of Ma/Sa 'equidistant from the Progressed PD MC.'

Looking for Lights in the tunnel!

As always, I am very grateful for comments and feedback.

Ouranos
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Martin Gansten
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Joined: 05 Jul 2008
Posts: 1404
Location: Malmö, Sweden

Posted: Mon Jun 21, 2021 11:24 am    Post subject: Reply with quote

Thanks, James and Ouranos, for plugging my books. Wink

Ouranos wrote:
Not sure if Martin can comment on the accuracy of Parallels in Morinus (in Mundo?) or if their use is relevant enough.

I don't use parallels myself, but there are two basic kinds. The so-called zodiacal or declination parallels are calculated on the same principle as traditional antiscia, but using the actual body of the planet rather than its ecliptical projection. As far as I know/recall, Morinus calculates these correctly, at least up to a point: the parallel calculated is still a point on the ecliptic (the apparent path of the sun), which means that Placidus and his faithful disciples would only use it for directions of the sun. Directions of the moon they would calculate using the apparent path of the moon. I don't know of any software that includes those arcane Placidean calculations, but with the aid of an ephemeris, a scientific calculator and a bit of patience, they can be done by hand.

The mundane parallels invented by Placidus are actually easier to grasp, and yes, Morinus calculates them correctly. They are just based on proportional distances from the horizon or meridian.

Quote:
Is there a way in Morinus to get a Primary Direction 'equidistant from the Angles' ?
Example: In same sign Mars 2 degrees - MC 5 degrees - Saturn 28 degrees
When the PD MC reaches 15 degrees, he is at the midpoint of Ma/Sa 'equidistant from the Progressed PD MC.'

That is what Placidus calls a rapt parallel, and yes, Morinus does them as well.
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Ouranos



Joined: 28 Mar 2020
Posts: 375

Posted: Mon Jun 21, 2021 12:38 pm    Post subject: Reply with quote

Thank you Martin,
I have Morinus v 8.1
From your book, you say you use the key of Ptolemy.
Does it mean, I would need to switch to Naibod key to get the in mundo parallels? In the PD settings, I can choose the Parallel and underneath the Rapt Parallell is greyed out.??? Or is it OK to stick to the Ptolemy key?

Otherwise, I have found this link (Margherita Fiorello) for calculating manually the rapt parallel
https://heavenastrolabe.wordpress.com/2010/08/20/calculating-rapt-parallels-placido-method/

Thank you,
Ouranos
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Martin Gansten
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Joined: 05 Jul 2008
Posts: 1404
Location: Malmö, Sweden

Posted: Mon Jun 21, 2021 1:39 pm    Post subject: Reply with quote

Rapt parallels are strictly an in mundo technique, so in the Primary Directions dialogue box in Morinus you need to check either Mundane or Both in the left-hand panel. That should fix the grey-out.

The key doesn't affect the calculation of the arc, just the final step of converting the arc to time. Of course, if you want to follow Placidus strictly, you should use his key (in Morinus, it is found under Dynamic > True Solar Equatorial Arc). Personally, though, I haven't found it to work.
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