Csaba wrote: > -----Original Message----- > From: Halász [mailto:csaba.hal...@gmail.com] > Sent: 06 December 2011 16:55 > To: FlightGear developers discussions > Subject: Re: [Flightgear-devel] Snow line based on METAR > > On Tue, Dec 6, 2011 at 5:15 PM, Gijs de Rooy <gijsr...@hotmail.com> wrote: > > > > I wrote a Nasal script, everything works fine, but I stumble accross a > > problem with my listener. For > > some reason the snow-cover property seems to be tied and therefore it > always > > reports "nil" to a > > listener (AndersG said so, I got no idea what that means). > > > > Would it be possible to untie the prop? Or is there a better solution? > You > > can find the script below. > > You can attach the listener to the metar/valid node which is left > untied for this exact purpose. Make sure you trigger for all writes, > not just changes (to catch valid->valid updates). >
I'm not sure that this is correct. Nasal listeners don't mind if a property is tied or not - this must be true or else weather-utility.nas wouldn't work to "untie" properties for use by effects. Effects use c++ listeners, and these do care if a property is tied. Vivian ------------------------------------------------------------------------------ Cloud Services Checklist: Pricing and Packaging Optimization This white paper is intended to serve as a reference, checklist and point of discussion for anyone considering optimizing the pricing and packaging model of a cloud services business. Read Now! http://www.accelacomm.com/jaw/sfnl/114/51491232/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
