crop svg to fit path code example

Example: svg object fit image in a pattren

<!-- pattern3 - aspect ratio control on both image and pattern -->
<pattern id="pattern3" height="100%" width="100%"
         patternContentUnits="objectBoundingBox" 
         viewBox="0 0 1 1" preserveAspectRatio="xMidYMid slice">
    <image height="1" width="1"  preserveAspectRatio="xMidYMid slice" 
           xlink:href="/*url*/" />
</pattern>