在PartView中正确调整GridLayout的大小

I have an Image in a grid that scales when the PartView is resized. If the BarsView starts smaller than 64 high (the size of the canvas), the bottom portion of the image gets cut off below the initial size. If it starts larger than what it is resized to, the minivitals does not shrink as it should. How can I the layout, when resized, to look like it does when I open the program at that size?I have an Image in a grid that scales when the