initSVGObject = () => {
const obj = {};
obj.paths = imagePaths;
obj.depths = imagePaths.map((d,i) => i * depth / 10)
obj.strokes = imagePaths.map((d,i) => colorScale(i))
obj.colors = imagePaths.map((d,i) => colorScale(i))
obj.center = { x: data.width / 2, y: data.height / 2 };
return obj;
}