We follow the SVG standard:
The default coordinate system in SVG is much the same as in HTML. It works like a two-dimensional x-y plane. The initial SVG coordinate system sets in the initial SVG viewport with the point of origin (0,0) in the top left corner. The positive x-direction being to the right, and the positive y-direction being to the bottom. For specifying (x, y) coordinates, width and height values, you can use cm, mm, in, em, ex, pt, pc, and px. The default SVG units are pixels.
We follow the SVG standard: The default coordinate system in SVG is much the same as in HTML. It works like a two-dimensional x-y plane. The initial SVG coordinate system sets in the initial SVG viewport with the point of origin (0,0) in the top left corner. The positive x-direction being to the right, and the positive y-direction being to the bottom. For specifying (x, y) coordinates, width and height values, you can use cm, mm, in, em, ex, pt, pc, and px. The default SVG units are pixels.