diff --git a/setup_microscope.html b/setup_microscope.html
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+<!--- this is the main file --->
+<!DOCTYPE html>
+<html>
+  <header>
+    <link href="bootstrap-5.0.2-dist/css/bootstrap.min.css" rel="stylesheet" ></link>
+    <script src="bootstrap-5.0.2-dist/js/bootstrap.bundle.min.js" ></script>
+
+    <style>
+      #output{
+        position: relative;
+        width: 100%;
+      }
+      #video_container{
+        position:relative;
+        height:100%;
+      }
+
+      #video {
+        position:relative;
+        z-index: 15;
+        height:100%;
+      }
+
+      #canvas-draw{
+        position:absolute;
+        z-index:10;
+        height:100%;
+      }
+
+      #photo {
+        position:absolute;
+        z-index:5;
+        height:100%
+      }
+
+      #canvas-temp{
+        display: none;
+      }
+    </style>
+  </header>
+
+  <body>
+    <div class = "container">
+    <canvas id="canvas-temp"></canvas>
+
+<!-- the output div is used to display the video, the photo and the canvas where you can draw in (and measure) your organisms. -->
+    <div id="output" class="row">
+      <div id = "video_container" class="col-8">
+        <canvas id="canvas-draw"></canvas>
+        <img id="photo" alt="The screen capture will appear in this box."></img>
+        <video autoplay="true" id="video"></video>
+      </div>
+      <div class="col-4 ">
+        <div class = "row">
+          <button class="btn btn-primary float-end" onclick="takePicture();" id="start-button">
+            Take photo
+          </button>
+          <button class="btn btn-primary float-end" onclick="toggle_cam();">
+            Toggle camera
+          </button>
+        </div>
+        <div id="real_dimensions" class="row align-items-end">
+          <p>
+            put an object of known length and width under the microscope.
+            enter width and height of measured object
+          </p>
+          <div class="col" name="width" >
+            <label class = "form-label" for="real_width">
+              Width
+            </label>
+            <input class="form-control" id = "real_width" type="text"
+                      name="real_width" value=0>
+            </input>
+          </div>
+          <div class="col" name="height" >
+            <label class = "form-label" for="real_height">
+              Height
+            </label>
+            <input class="form-control" id = "real_height" type="text"
+                      name="real_height" value=0>
+            </input>
+          </div>
+        </div>
+        <br>
+        <form class="needs-validation" name = "microscope_setup" onsubmit="return false;">
+          <div class="row">
+        	  <div class="col">
+              <label class = "form-label" for="name">
+                Name of Setup
+              </label>
+            </div>
+            <div class="col">
+              <input class="form-control" type="text" name="name" id = "name"
+                     placeholder="e.g. camera">
+              </input>
+        	  </div>
+        	</div>
+
+        	<div class="row">
+        	  <div class="col">
+        	     <label class = "form-label" for="FoV_Width">
+                 Width of Field of View (Camera) [um]
+               </label>
+            </div>
+            <div class="col">
+              <input class="form-control" type="number" id="FoV_width"
+                      name="FoV_Width">
+              </input>
+            </div>
+          </div>
+
+        	<div class="row">
+        	  <div class="col">
+              <label class = "form-label" for="FoV_Height">
+                Height of Field of View (Camera) [um]
+              </label>
+            </div>
+            <div class="col">
+              <input class="form-control" type="number"
+                        id="FoV_height" name="FoV_Height">
+              </input>
+            </div>
+          </div>
+
+          <div class="row">
+        	  <div class="col">
+    	        <label class = "form-label" for="Slip_Height">
+                Height of Coverslip [mm]
+              </label>
+            </div>
+            <div class="col">
+              <input class="form-control" type="number"
+                      id="Slip_height" name="Slip_Height">
+              </input>
+            </div>
+          </div>
+          <div class="row">
+        	  <div class="col">
+              <label class = "form-label" for="Slip_Width">
+                Width of Coverslip [mm]
+              </label>
+            </div>
+            <div class="col">
+              <input class="form-control" type="number"
+                      id="Slip_width" name="Slip_Width">
+              </input>
+            </div>
+          </div>
+          <div class="row">
+        	  <div class="col">
+              <label class = "form-label" for="eyepiece_number">
+                Eyepiece Number
+              </label>
+            </div>
+            <div class="col">
+              <input class="form-control" type="number" name="eyepiece_number">
+              </input>
+            </div>
+          </div>
+          <button class="btn btn-primary float-end" onclick="add();">submit</button>
+        </form>
+  </div>
+
+</div>
+
+
+
+
+</div>
+
+  </body>
+
+<script>
+
+  var db;
+  let openRequest = indexedDB.open("my_db");
+
+  openRequest.onupgradeneeded = function() {
+    db = openRequest.result;
+    db.createObjectStore("microscope_setup", {autoIncrement : true});
+    db.createObjectStore("prep_protocol", {autoIncrement : true});
+
+  };
+
+  openRequest.onerror = function() {
+    console.error("Error", openRequest.error);
+  };
+
+  openRequest.onsuccess = function() {
+    db = openRequest.result;
+    // continue working with database using db object
+  };
+  function add(e){
+    e.preventDefault();
+    let microscope_setup = {
+      "name" : document.getElementById("name").value,
+      "FoV_Height" : document.getElementById("FoV_height").value,
+      "FoV_Width" : document.getElementById("FoV_width").value,
+      "Slip_Height" : document.getElementById("Slip_height").value,
+      "Slip_Width" : document.getElementById("Slip_width").value
+    }
+    let transaction =  db.transaction(["microscope_setup"], "readwrite");
+    let objectStore = transaction.objectStore("microscope_setup");
+    let add_request = objectStore.add(microscope_setup); // (3)
+
+    transaction.oncomplete = (event) => {
+      console.log("All done!");
+    };
+    transaction.onerror = (event) => {
+      console.log("something went wrong");
+      // Don't forget to handle errors!
+    };
+  }
+</script>
+<script>
+var video = document.querySelector("#video");
+var out = document.querySelector("#output");
+// width of FoV -- will be supplied by FLASK microscope setup.
+var real_width_FoV = 255;
+// init video switching get IDs of video inputs
+
+navigator.mediaDevices
+    .enumerateDevices()
+    .then((devices) => {
+      devices.forEach((device) => {
+        if (device.kind=="videoinput"){
+        deviceIDs.push(device.deviceId);
+        }
+        console.log(`${device.kind}: ${device.label} id = ${device.deviceId}`);
+      });
+    })
+    .catch((err) => {
+      console.error(`${err.name}: ${err.message}`);
+    });
+
+
+// toggle between cameras
+
+var deviceIDs = [];
+var device_index = 0;
+var real_dimensions = document.querySelector("#real_dimensions");
+var fov_width = document.querySelector("#FoV_width");
+var fov_height = document.querySelector("#FoV_height");
+var real_width = document.querySelector("#real_width");
+var real_height = document.querySelector("#real_height");
+
+function toggle_cam(){
+  device_index += 1
+  if (device_index>=deviceIDs.length){
+    device_index=0
+  };
+
+  if (navigator.mediaDevices.getUserMedia) {
+  navigator.mediaDevices.getUserMedia({ video: {
+    deviceId: deviceIDs[device_index],
+  }, })
+    .then(function (stream) {
+      video.srcObject = stream;
+    })
+    .catch(function (error) {
+      console.log("Something went wrong!");
+    });
+  }
+};
+
+
+// init drawing
+var canvas_draw = document.querySelector("#canvas-draw");
+var ctx = canvas_draw.getContext('2d');
+var pos = { x: 0, y: 0 };
+var start_pos = { x: 0, y: 0 };
+// store lines for measurement
+var lines = [];
+var line = [];
+
+// calculate length of line - helper function
+function get_length(line){
+  var dist = 0.0;
+    if (line){
+      for (let j = 0; j < line.length-1; ++j) {
+        dist += Math.sqrt((line[j].x - line[j+1].x) ** 2 + (line[j].y - line[j+1].y) ** 2);
+      }
+    }
+    //return distance in units
+  return dist/canvas_draw.width
+}
+// events to set the position of the drawing cursor
+canvas_draw.addEventListener('mousedown', setPosition);
+canvas_draw.addEventListener('mouseenter', setPosition);
+
+// set new position from mouse event
+// scale canvas coords
+function setPosition(e) {
+  var rect = canvas_draw.getBoundingClientRect();
+
+  scaleX = canvas_draw.width / rect.width,    // relationship bitmap vs. element for x
+  scaleY = canvas_draw.height / rect.height;
+  pos.x = (e.clientX - rect.x) * scaleX;
+  pos.y = (e.clientY - rect.y) * scaleY;
+  console.log(pos);
+}
+
+// the draw function to draw onto canvas
+canvas_draw.addEventListener('mousemove', draw);
+
+function draw_path(path){
+  // draw on canvas.
+  ctx.beginPath(); // begin
+  ctx.lineWidth = 0.5;
+  ctx.lineCap = 'round';
+  ctx.strokeStyle = 'black';
+  for (var i = 0; i < path.length-1; i++) {
+    ctx.moveTo(path[i].x, path[i].y);
+    ctx.lineTo(path[i+1].x, path[i+1].y);
+    ctx.stroke();
+  }
+}
+
+
+function draw(e) {
+  // mouse left button must be pressed and video must be hidden / a photo must have been taken.
+   if (e.buttons !== 1 && line.length !== 0) {
+      // push the line to lines array
+      console.log('Yay');
+      if (lines.length == 0){
+        line.push({x: start_pos.x, y: pos.y});
+        lines.push(line);
+        let measured_height = get_length(line);
+        fov_height.value = ((real_height.value/(measured_height * canvas_draw.width))*canvas_draw.height).toFixed(0);
+        line = [];
+
+        return;
+
+      } else if ((lines.length == 1)){
+        line.push({x: pos.x, y: start_pos.y});
+        lines.push(line);
+        let measured_width = get_length(line);
+        fov_width.value = ((real_width.value/(measured_width * canvas_draw.width)) * canvas_draw.width).toFixed(0);
+        line = [];
+
+        return;
+
+      }
+
+   }
+  // draw on canvas.
+  if (e.buttons == 1){
+    if (lines.length == 2){
+      lines=[];
+    }
+
+    canvas_draw.getContext('2d').clearRect(0, 0, canvas_draw.width, canvas_draw.height);
+    if (lines.length == 1){
+      draw_path(lines[0]);
+    }
+
+    ctx.beginPath(); // begin
+    ctx.lineWidth = 0.5;
+    ctx.lineCap = 'round';
+    ctx.strokeStyle = 'black';
+    // update line
+    // first time push the first position
+    if (line.length == 0){
+      console.log('yay');
+      start_pos = {x:pos.x, y:pos.y};
+      line.push(start_pos);
+    }
+    console.log(start_pos.x)
+
+    ctx.moveTo(start_pos.x, start_pos.y); // from
+    setPosition(e);
+    if (lines.length==0){
+      ctx.lineTo(start_pos.x, pos.y); // to
+    } else if (lines.length==1){
+      ctx.lineTo(pos.x, start_pos.y); // to
+    }
+    ctx.stroke(); // draw it!
+  }
+}
+
+  let streaming = false;
+
+  function startup() {
+    output = document.getElementById("output");
+    video = document.getElementById("video");
+    canvas = document.getElementById("canvas-temp");
+    photo = document.getElementById("photo");
+    startButton = document.getElementById("start-button");
+
+    navigator.mediaDevices
+      .getUserMedia({ video: true, audio: false })
+      .then((stream) => {
+        video.srcObject = stream;
+        video.play();
+      })
+      .catch((err) => {
+        console.error(`An error occurred: ${err}`);
+      });
+
+    video.addEventListener(
+      "canplay",
+      (ev) => {
+        if (!streaming) {
+          video_aspect = video.videoWidth  / video.videoHeight;
+
+          video.style.aspectRatio = video_aspect;
+
+          photo.style.aspectRatio = video_aspect;
+
+          canvas.style.aspectRatio = video_aspect;
+
+          canvas_draw.style.aspectRatio = video_aspect;
+
+          streaming = true;
+        }
+      },
+      false,
+    );
+
+    startButton.addEventListener(
+      "click",
+      (ev) => {
+        takePicture();
+        ev.preventDefault();
+      },
+      false,
+    );
+
+    clearPhoto();
+  }
+
+  // Fill the photo with an indication that none has been
+  // captured.
+
+  function clearPhoto() {
+    const context = canvas.getContext("2d");
+
+    context.fillRect(0, 0, canvas.width, canvas.height);
+
+    const data = canvas.toDataURL("image/png");
+    photo.setAttribute("src", data);
+  }
+
+  // Capture a photo by fetching the current contents of the video
+  // and drawing it into a canvas, then converting that to a PNG
+  // format data URL. By drawing it on an offscreen canvas and then
+  // drawing that to the screen, we can change its size and/or apply
+  // other changes before drawing it.
+
+  function takePicture() {
+    canvas_draw.getContext('2d').clearRect(0, 0, canvas_draw.width, canvas_draw.height);
+    const context = canvas.getContext("2d");
+    if (video.videoWidth && video.videoHeight) {
+      canvas.width = video.videoWidth;
+      canvas.height = video.videoHeight;
+      context.drawImage(video, 0, 0, video.videoWidth, video.videoHeight);
+      video.style.zIndex = 1;
+      photo.style.zIndex = 5;
+      canvas.style.zIndex= 10;
+
+      const data = canvas.toDataURL("image/png");
+      photo.setAttribute("src", data);
+    } else {
+      clearPhoto();
+    }
+  }
+
+  // Set up our event listener to run the startup process
+  // once loading is complete.
+  window.addEventListener("load", startup, false);
+//})();
+
+</script>
+</html>
