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astrorigin / pyswisseph

Python extension to the Swiss Ephemeris
https://astrorigin.com/pyswisseph
GNU Affero General Public License v3.0
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Speed of House Cusps #46

Closed imanewman closed 3 years ago

imanewman commented 3 years ago

Hello, first I would like to thank you for the usefulness of this package so far, I've very grateful.

I recently noticed that there is no equivalent to the swe_houses_ex2() function within the Swiss ephemeris itself. This function is super useful in that it calculates the speed of the house cusps, which I currently need for what I'm making.

The original function can be found in the API docs under the section: 15.4. swe_houses_ex() and swe_houses_ex2()

I was wondering if there is any way this function can be added to this library? Since swe_houses_ex() already exists as houses_ex(), I was hoping it wouldn't be a huge lift to also include.

astrorigin commented 3 years ago

That function exists in the current pre-release version which you can get with pip install -U --pre pyswisseph.

Help on built-in function houses_ex2 in swisseph:

swisseph.houses_ex2 = houses_ex2(...)
    Calculate houses cusps and cusps speeds (UT).

    :Args: float tjdut, float lat, float lon, bytes hsys=b'P', int flags=0

     - tjdut: input time, Julian day number, Universal Time
     - lat: geographic latitude, in degrees (northern positive)
     - lon: geographic longitude, in degrees (eastern positive)
     - hsys: house method identifier (1 byte)
     - flags: ephemeris flag, etc

    :Return: (cusps), (ascmc), (cuspsspeed), (ascmcspeed)

     - cusps: tuple of 12 float for cusps (except Gauquelin: 36 float)
     - ascmc: tuple of 8 float for additional points
     - cuspsspeed: tuple of 12 float for cusps speeds
     - ascmcspeed: tuple of 8 float for speeds of additional points

    This function raises swisseph.Error in case of fatal error.
imanewman commented 3 years ago

Thank you!

imanewman commented 3 years ago

This pre-release version, pyswisseph-2.10.2.0.dev1 seems to break the cotrans() function by editing the call signature to only two arguments instead of the original 4. Do you have an idea of what could be wrong here?

imanewman commented 3 years ago

Ah never mind, I see that the call signature has been changed to a tuple for the first 3 after looking into the code.

astrorigin commented 3 years ago

Yes, a number of functions have changed, sometimes in an attempt to make them more similar to the C API. Some more changes are to be expected... Thanks