in sim/visuals/board.ts [87:97]
export function getBoardDimensions(vis: BoardImageDefinition): ComputedBoardDimensions {
let scaleFn = (n: number) => n * (PIN_DIST / vis.pinDist);
let width = scaleFn(vis.width);
return {
scaleFn: scaleFn,
height: scaleFn(vis.height),
width: width,
xOff: (VIEW_WIDTH - width) / 2.0,
yOff: TOP_MARGIN
}
}