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Hi All,

When i download winds like 2 hours before the game update my weather routing doesnt work;
Building track tree..
wind grid resolution= 1.00 °
wind forecast interval=12h
----
isochrone=1h
points=1
tracks=0
sorting..
----
calculation finished
calc time= 0.02 sec
LGC dist=3079.4 NM
shortest= NAN NM
longest= NAN NM
points=1
successfull tracks=0

What setting is wrong?

Froos

Make sure you have the latest version installed (2.03).
I recently made a couple changes in NOAA winds to correct
the problem of WR'ing in the 2 hours before the update.
(Go to http://www.tecepe.com.br/nav/vrtool/download.htm
and update using vrtool.zip)

The problem you report seems to be related to missing wind forecasts.
Make sure the forecasts are loaded for all times (0, 12, 24 etc)
I noticed that sometimes the NOAA downloads fail for a specific forecast,
for unknown reasons. All winds are 0 for this particular time.
In this case, repeat the wind download.

Hi Omar, thanks for the reply,
im using latest version, I always check before I start the routing that the wind file is complete. Usually if above happens and i try the routing tool again I get a fatal error:

Acces violation at adress 0000003C. Read of adress 0000003C.

When that happens the desktop file is corrupt and routing will not work anymore and i have to start the program again, when I close vrtools I get the same error again. This has been an issue for this vor or versions 2 and up, with previous vvor and clipper wasnt an issue. I must say thou my desktop file is getting pretty big since I used the same file for the last 4 legs....and my celeron 2000MHz with 2Gb memory isnt that fast in routing