Resize Comp Issues

[jwmoxon]

Hi Folks,

I am trying to resize multiple Comps through script and having odd results. Hopefully someone can help clear the issue up for me.

Here is a basic example of code:

var selectedFootage = app.project.selection;
function setCompositionSize( selectedFootage )
    {
        for( var i=0; i<selectedFootage.length; i++ )
        {
            if( (selectedFootage instanceof CompItem) )
            {
                selectedFootage.width = sizeWidth;
                selectedFootage.height = sizeHeight;
            }
        }
    }  

Note: The UI has two fields a user can enter -- Width and Height.

In the test project, I have three comps which are 1920x1080 (as set manually in the Composition Settings). The problem seems to happen when I set the size to something with a different ratio than the original (such as 648x486). The code will halt on one of these lines:

selectedFootage.width = sizeWidth;
selectedFootage.height = sizeHeight;

It will not make the change and the script will have to be force stopped. If I run the script againt, and set it to something like 1280x720, it appears to work fine.

Is there something I am missing when altering these? Any help/advice/suggestions would be greatly appreciated!

Thanks!

-Jason

[Dan Ebberts]

I didn't have any problem changing a 320x200 comp to 133x50 with this:

{

var selectedFootage = app.project.selection;

function setCompositionSize( selectedFootage )
    {
        for( var i=0; i<selectedFootage.length; i++ )
        {
            if( (selectedFootage instanceof CompItem) )
            {
                selectedFootage.width = 133;
                selectedFootage.height = 50;
            }
        }
    }

setCompositionSize(selectedFootage);

}

[jwmoxon]

I tried the same size Comp and changed it to the size you said worked and it did indeed work -- the first time. The second time, it didn't do anything at all.

The odd thing is that this seems to work sometimes and not others. I can't isolate the differences between the working and non-working tests.

[Dan Ebberts]

I can't get it to fail--single selection, multiple selections, project bin active/inactive, etc. as long as a comp is selected.

Dan