[
 {
  "make_image": "pic.png"
 },
 {
  "choose_file": "pic.png"
 },
 {
  "start": "canvas.insert"
 },
 {
  "click": {
   "plane": "XY"
  }
 },
 {
  "key": "Escape"
 },
 {
  "expect": {
   "canvas_width": [
    100,
    0.5
   ]
  }
 },
 {
  "call": "ui.menu",
  "params": {
   "x": 100,
   "y": 260,
   "target": {
    "type": "canvas",
    "id": 1
   }
  }
 },
 {
  "call": "ui.menuPick",
  "params": {
   "item": "Calibrate"
  }
 },
 {
  "widget": "100.0 mm",
  "near": "Distance"
 },
 {
  "key": "A",
  "cmd": true
 },
 {
  "text": "50"
 },
 {
  "key": "Enter"
 },
 {
  "widget": "Calibrate"
 },
 {
  "expect": {
   "canvas_width": [
    50,
    0.01
   ]
  }
 },
 {
  "shot": "s19_canvas"
 }
]