pouet.LaSilla package

Submodules

pouet.config.LaSilla module

class config.LaSilla.AllSky

Bases: object

Station-specific class that handles the all sky image and its transformation of the sky.

Class constructor that saves some important all sky parameters as a class attribute.

get_image_coordinates(az, elev)

Converts the azimuth and elevation of a target in pixel coordinates

Parameters:

• az – azimuth (in rad)
• elev – elevation (in rad)

Returns:

x and y position

get_mask(ar)

Returns the mask to apply on the AllSky hide unwanted features in the image. In the LaSilla case, to remove the danish and the text in the corners.

Parameters:ar – original image (or at least an array with the same size). Used to get the image size.

get_radius(elev)

Method that computes the radius of a given elevation on the sky, in pixel.

Parameters:elev – elevation (in radians) Returns:Radius, in px

class config.LaSilla.WeatherReport(name='LaSilla')

Bases: object

This class is dedicated to recovering the weather report at the La Silla site and feeding the wind direction, wind speed, temperature and humidity back to pouet. It must contain at least a get method that returns the above variable.

Class constructor. Loads the LaSilla.cfg configuration file and saves it as attribute.

Parameters:name – name of the cfg file, only included for completeness.

get(debugmode, FLAG=-9999)

Get method that reads the weather reports off the web. In the LaSilla case, it download a meteo.last and interprets the data.

Parameters:

• debugmode – whether or not POUET is in debugmode. If true, it ought to return some static and dummy data
• FLAG – what to return in case the weather report cannot be downloaded or treated. Currently, POUET expect -9999 as a placeholder.

Returns:

Wind direction, speed, temperature and humidity

Warning

Such a method must return the following variables in that precise order: wind direction, wind speed, temperature and humidity

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