anybody working on a trajectory plugin?

Just one comment - is there a means of removing the trajectory traces from the panel without needing to refresh the Windy window and then resetting the plugin programs? The window panel gets rather busy with multiple traces overlaid on top of each other. It would be nice to be able clear the trace plots with a click of a button and start a fresh.

Thx

stitch

@rittels

I have just noticed one issue with the Traj plugin....

when selecting the 100m level on the EC, the plugin gets set into a repetitive loop and the trace doesn't appear to be the correct path.

Sfc and all the other standard levels look fine.

rittels

@stitch

try: traj@0.1.3

There is a discrepancy between the levels available with the dataLoader and on the site. 1000h is available with the dataLoader, which I took the liberty to represent as 100m on Windy UI (perhaps better to just leave it out). 250h also not available in dataLoader, as @vicb said earlier.

mhaberler

@rittels Thanks for this phenomenal job!

this is already very useful - will do a balloon ride tomorrow early morning and see how that fares relative to the plot!

If I may add a suggestion:

if you select several altitudes on the plot it is hard to discern which track belongs to which altitude

why not choose different colors for each track in the plot and color the altitudes in 'Select levels' accordingly?

Michael

mhaberler

quality check.. this looks VERY usable - congratulations! @rittels

Yesterday's forecast for 5000ft

actual track

Google Earth kmz track: http://static.mah.priv.at/kmz/20190630-stiwoll-waldstein.kmz

rittels

@mhaberler

Wow, amazing.
Thanks, Michael!!

rittels

@mhaberler

Color picker added. windy-plugin-traj@0.1.4.

mhaberler

@rittels Thanks - this helps a lot to tell the different tracks apart, very useful!

do I understand this correctly: the traj plugin uses ECMWF data regardless which model is currently selected?

rittels

@mhaberler

Hi, yes. It uses the pluginDataLoader module to load data for a point. I can select either GFS or ECMWF. Currently I only use ECMWF.

I can also read the selected model and apply it when loading data. One can then theoretically get a different trajectory for each model, at the same point, time and altitude. May be interesting.

mhaberler

@rittels will this plugin stay a plugin or become integral part of windy?

reason I'm asking: I want to create a how-to screen video for my fellow balloonists (many of which are from the "grey panther" section and not exactly geeks); probably for airspaces and better-soundings as well

I'd rather do that after things stabilize

rittels

I hope so......

It would be cool, but it is really a question for @ivo and team. I think it is the plan eventually.

mhaberler

@rittels meaning 'hope it becomes an integral part'?

mhaberler

@rittels I told my fellow balloonists about that plugin (we have a whatsapp group for winter Alps crossings) and they really like it!

the following suggestions came up:

(1) place a marker at fixed time intervals so you can tell where you'd be by then

maybe make the time per interval dependent on duration, like 15min, 30min, 1hr - I think a total of say 3-6 marks should do (have a look at the meteoblue example above, they mark hourly - good enough for a start)

(2) what I really wish I could do: take the forecast/s of a given point in time, and AFTER the flight overlay it with the actual track - but I guess going back in time is not realistic in windy

an almost as good solution would be to export the trajectories as gpx or kml/z, so they can be re-imported later together with the actual track

mhaberler

@stitch I played around with TS trajectories today

would you suggest FL140/180/240 are realistic altitudes for thunderstorms (IANAM - I am not a meteorologist :-)

this image from today would suggest roughly FL100-140 for best fit (6hrs, TS over Carnian Alps):