XML/SVG/transform

Transform circle

<svg>
  <circle id="myCircle" cx="100" cy="100" r="20" style="stroke: black; fill: linen;"/>
  <use xlink:href="#myCircle" transform="translate(50, -50) scale(1.5) "/>
</svg>

transform the coordinate

<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20001102//EN"
 "http://www.w3.org/TR/2000/CR-SVG-20001102/DTD/svg-20001102.dtd">
<svg width="100%" height="100%">
  <g transform="translate(100,100)">
    <rect x="0" y="0" width="50" height="50" style="fill:red;" />
  </g>
  <g transform="translate(300,100)">
    <rect x="0" y="0" width="50" height="50" style="fill:red;" />
  </g>
  <g transform="translate(100,300)">
    <rect x="0" y="0" width="50" height="50" style="fill:red;" />
  </g>
  <g transform="translate(300,300)">
    <rect x="0" y="0" width="50" height="50" style="fill:red;" />
  </g>
</svg>

Using Multiple SVG scale Elements

<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20001102//EN"
 "http://www.w3.org/TR/2000/CR-SVG-20001102/DTD/svg-20001102.dtd">
<svg width="800" height="500">
  <defs>
    <pattern id="checkerPattern" width="80" height="80"
      patternUnits="userSpaceOnUse">
      <rect fill="red" x="0" y="0" width="40" height="40" />
      <rect fill="blue" x="0" y="40" width="40" height="40" />
    </pattern>
  </defs>
  <g transform="translate(50,50)">
    <g transform="scale(1)">
      <rect fill="url(#checkerPattern)" style="stroke:white" x="0"
        y="0" width="320" height="320">
      </rect>
    </g>
  </g>
  <g transform="translate(50,50)">
    <g transform="scale(.6)">
      <rect fill="url(#checkerPattern)" style="stroke:white" x="0"
        y="0" width="320" height="320">
      </rect>
    </g>
  </g>
  <g transform="translate(50,50)">
    <g transform="scale(.2)">
      <rect fill="url(#checkerPattern)" style="stroke:white" x="0"
        y="0" width="320" height="320">
      </rect>
    </g>
  </g>
</svg>

Using the SVG scale Function with Checkerboards

<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20001102//EN"
 "http://www.w3.org/TR/2000/CR-SVG-20001102/DTD/svg-20001102.dtd">
<svg width="800" height="500">
  <defs>
    <pattern id="checkerPattern" width="80" height="80"
      patternUnits="userSpaceOnUse">
      <rect fill="red" x="0" y="0" width="40" height="40" />
      <rect fill="blue" x="40" y="0" width="40" height="40" />
      <rect fill="blue" x="0" y="40" width="40" height="40" />
      <rect fill="red" x="40" y="40" width="40" height="40" />
    </pattern>
  </defs>
  <g transform="translate(50,50)">
    <g transform="scale(.5)">
      <rect fill="url(#checkerPattern)" style="stroke:white" x="0"
        y="0" width="320" height="320" />
    </g>
  </g>
</svg>