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topic: 308Bug warning -- transition adjustments in roll-out mode
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posted: 13 Jan 2008 05:11

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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Dear all,

It's not often I report a fatal bug in Templot, but I have just found one, so please steer clear of it. :(

If you change to the seldom-used action > transition zone options > transition fixed (roll-out) mode for the mouse actions, the adjust transition length mouse action (SHIFT+CTRL+F4) will produce an irrecoverable error if the transition length is reduced to zero, or is zero or close to zero before you start. The only option then is to do CTRL+ALT+DEL and end the Templot task from the list. You won't lose any template data other than the current/control template -- background templates will be restored when you restart Templot. But you will lose any unsaved background shapes.

A similar error may occur when adjusting the transition start (SHIFT+CTRL+F3), but in that case it's recoverable by pressing OK a few times on the error dialog.

Sorry about that -- it will be fixed in the next Pug.

Note that the radii fixed (normal) mode (the default mode) is not affected and is working correctly. The alternative roll-out mode is little used -- otherwise I'm sure this bug would have been reported earlier. :?

regards,

Martin.

posted: 14 Jan 2008 16:40

from:

renluethi
 
Dietlikon - Switzerland

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Hi Martin,
Really, that happens?! I tumbled over it, but I assumed “caused by operator”.
René.

posted: 9 Nov 2010 02:14

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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I wrote:
Sorry about that -- it will be fixed in the next Pug.

I'm very sorry to report that this bug wasn't fixed in 091c and is still present.

I have just fixed it now. In the next Pug the transition zone won't be allowed to go shorter than a length equivalent to the current track gauge, when adjusting the zone length by mouse action in roll-out mode. In the case of a very gentle transition even that may still cause a maths overflow, in which case the mouse action will be safely cancelled.

If you need a very short or zero-length transition, you must change to normal mode (radii fixed) for the mouse action.

Sorry about not fixing this when I said I would. Take care if using roll-out mode in all current versions.

regards,

Martin.



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