Viking responded at time Tue, 18 Dec 2018 11:15:33 -0700 :

Otherwise I'll do it in photoshop or gimp if I can figure it out.

I'm stuck in Photoshop trying to just do the last crop step.

Select the Marquis tool set to the oval shape
Mouse left to randomly draw any X:Y oval locked to 0:90 degree axes
Mouse right inside the oval shape to select the popup "Transform Selection"
Mouse left outside the rectangular outline to set the oval X:Y axes
Mouse left inside the rectangular outline to position the oval center
Mouse left on the edges of the rectangle to determine the oval size

This gives me EXACTLY the oval size and axes I want.
But I can't crop. Almost all the commands I want are locked out.

There must be a secret since 1 out of 100 tries actually works.
But in 99 out of 100 tries, I lose everything I've done above.

I must be missing a critical step to UNLOCK the crop capability.

Alls I want do now is Contol+shift+i & control+x & delete but I can't.
All crop commands are locked up exactly when I need them to work.

Once I have the x:y axes oval position, why can't I use the crop commands?