bitflipper


I did an experiment, dragging a MIDI file onto the desktop (something I'd never done before). The resulting file was a type 1 MIDI file (meaning the tempo map is in a separate track). Then I dragged the file into an empty project. All of the original tracks were recreated as expected, but there were no tempo changes. 

I opened the file in a hex editor to see if there were any tempo meta-events in it (FF 51 03 xx xx xx for the nerds out there) and there was indeed tempo data included in the file.

I then opened the MIDI file using SONAR's File->Open. This time, the project contained all the tempo information.

My theory is this: when you drag a MIDI file into an existing project, SONAR ignores the tempo data. This, I believe, is how it should be. When you have an existing project it already has a tempo map, and you wouldn't want to replace it every time you dragged a new track into it.

Sheesh Dave,
 
you read hex too - you must be as big a nerd as me :-)
 
You are right on the money.
I took a look when I saw the title and was going to answer, but you've already done that perfectly.
I remember having to do my own little tests to figure it out when I first got Sonar.
Another one of those things that's mysterious if you don't already know.
 
Cheers - Cliff

...you must be as big a nerd as me :-)

Guilty. Always glad to find another nerd here. We need all we can get, to balance out the pixie-dust crowd.


David: cool idea. It's not immediately obvious to me how it might be used, but it's a nifty concept.

Well some of us remember having to refer to the SYS EX list in the back of our sound module owner manuals if you wanted to do certain functions.. 
And yep, I figured out from day one you always OPEN a MIDI file to retain tempo and the sys. ex. data. Importing or drag and drop only brings in the basic note info. 

Even though I never have done this I would imagine this works in reverse and you need to SAVE  a MIDI file to retain all the goodies. This is done when we save a CWP. 

bitflipper

David: cool idea. It's not immediately obvious to me how it might be used, but it's a nifty concept.

Think of SONAR's fit-to-improv.  Now, think of a more surgically precise fit-to-improv, one in which you could construct a tempo map for just a portion of a piece and one which you could "conduct" in eighth notes or triplets or whatever seemed appropriate.  This thing will probably be of little interest to those doing dance music, for example, but may be of considerable use to those doing jazz or "classical" music production.