213 lines
6.8 KiB
HTML
213 lines
6.8 KiB
HTML
<html>
|
|
<head>
|
|
<title>OpenFlexure Microscope API Demo</title>
|
|
</head>
|
|
<body>
|
|
<h1>OpenFlexure Microscope API Demo</h1>
|
|
<img src="{{ url_for('stream') }}" ondblclick="clickHotspotImage(event)";>
|
|
<br>
|
|
|
|
x: <input type="number" id="x_abs">
|
|
y: <input type="number" id="y_abs">
|
|
z: <input type="number" id="z_abs">
|
|
<button type="button" onclick="setStagePositionsFromInput();">GO</button>
|
|
<button type="button" onclick="getStagePositions();">Update</button>
|
|
<br>
|
|
|
|
Velocity:
|
|
<br>
|
|
x-y: <input type="range" name="stageVelocityInput" min="50" max="200" value="100" oninput="stageVelocity = Number(this.value);">
|
|
<input type="text" id="stageVelocityText" value="100" size="3" disabled>
|
|
z: <input type="range" name="focusVelocityInput" min="10" max="100" value="20" oninput="focusVelocity = Number(this.value);">
|
|
<input type="text" id="focusVelocityText" value="20" size="3" disabled>
|
|
<br>
|
|
|
|
Scroll focus: <input type="checkbox" id="scrollFocusCheck" checked>
|
|
<br>
|
|
|
|
Click position: <input type="checkbox" id="clickPositionCheck" checked>
|
|
x FOV: <input type="text" id="fovXText" value="4100" size="4" onchange="fovX = Number(this.value);">
|
|
y FOV: <input type="text" id="fovYText" value="3146" size="4" onchange="fovY = Number(this.value);">
|
|
|
|
|
|
|
|
</body>
|
|
|
|
<script>
|
|
// TODO: Remember a position and restore that position
|
|
|
|
// Key IDs
|
|
var pgupKeyID = 33;
|
|
var pgdnKeyID = 34;
|
|
|
|
var leftKeyID = 37;
|
|
var upKeyID = 38;
|
|
var rightKeyID = 39;
|
|
var downKeyID = 40;
|
|
|
|
var enterKeyID = 13;
|
|
var escKeyID = 27;
|
|
|
|
var keysDown = {}; //Array of keys down
|
|
|
|
var stageVelocity = 50;
|
|
var focusVelocity = 20;
|
|
|
|
var requestLock = false;
|
|
|
|
// Microscope client-side callibration
|
|
//TODO: Move to serverside microscope property
|
|
var fovX = 4100;
|
|
var fovY = 3146;
|
|
|
|
window.onload = function() {
|
|
getStagePositions()
|
|
}
|
|
|
|
function updateStagePositions(response) {
|
|
document.getElementById('x_abs').value = response["x"];
|
|
document.getElementById('y_abs').value = response["y"];
|
|
document.getElementById('z_abs').value = response["z"];
|
|
}
|
|
|
|
function getStagePositions() {
|
|
function updatePositionCallback(response, status) {
|
|
console.log(status, response);
|
|
updateStagePositions(response);
|
|
}
|
|
safeRequest("GET", "{{ url_for('position') }}", null, updatePositionCallback)
|
|
}
|
|
|
|
function setStagePositions(x_abs, y_abs, z_abs) {
|
|
// Make a position request
|
|
function absMoveCallback(response, status) {
|
|
if (status == 400) {
|
|
alert("Stage cannot be moved further than the safe range.");
|
|
}
|
|
console.log(status, response);
|
|
updateStagePositions(response);
|
|
}
|
|
safeRequest("POST", "{{ url_for('position') }}", { "absolute": true, "x": x_abs, "y": y_abs, "z": z_abs}, absMoveCallback)
|
|
}
|
|
|
|
function moveStagePositions(x_rel, y_rel, z_rel) {
|
|
// Make a position request
|
|
function relMoveCallback(response, status) {
|
|
if (status == 400) {
|
|
alert("Stage cannot be moved further than the safe range.");
|
|
}
|
|
console.log(status, response);
|
|
updateStagePositions(response);
|
|
}
|
|
safeRequest("POST", "{{ url_for('position') }}", { "absolute": false, "x": x_rel, "y": y_rel, "z": z_rel}, relMoveCallback)
|
|
}
|
|
|
|
function setStagePositionsFromInput() {
|
|
x_abs = Number(document.getElementById('x_abs').value);
|
|
y_abs = Number(document.getElementById('y_abs').value);
|
|
z_abs = Number(document.getElementById('z_abs').value);
|
|
setStagePositions(x_abs, y_abs, z_abs)
|
|
}
|
|
|
|
// Standard callback for user-controller movement
|
|
function keyMoveCallback(response, status) {
|
|
console.log(status, response);
|
|
updateStagePositions(response);
|
|
}
|
|
|
|
// Methods for input events
|
|
|
|
function clickHotspotImage(event) {
|
|
xCoordinate = event.offsetX;
|
|
yCoordinate = event.offsetY;
|
|
console.log(xCoordinate, yCoordinate)
|
|
xRelative = (0.5*event.target.offsetWidth - xCoordinate)/event.target.offsetWidth;
|
|
yRelative = (0.5*event.target.offsetHeight - yCoordinate)/event.target.offsetHeight;
|
|
console.log(xRelative, yRelative)
|
|
xSteps = xRelative * fovX;
|
|
ySteps = yRelative * fovY;
|
|
console.log(xSteps, ySteps, 0)
|
|
moveStagePositions(xSteps, ySteps, 0)
|
|
}
|
|
|
|
addEventListener("keydown", function (e) {
|
|
keysDown[e.keyCode] = true; //Add key to array
|
|
console.log(keysDown)
|
|
|
|
// If stage movement keys are pressed
|
|
if ((leftKeyID in keysDown) || (rightKeyID in keysDown) || (upKeyID in keysDown) || (downKeyID in keysDown) || (pgupKeyID in keysDown) || (pgdnKeyID in keysDown)) {
|
|
// Calculate movement array
|
|
x_rel = 0;
|
|
y_rel = 0;
|
|
z_rel = 0;
|
|
if (leftKeyID in keysDown) {
|
|
x_rel = x_rel + stageVelocity;
|
|
}
|
|
if (rightKeyID in keysDown) {
|
|
x_rel = x_rel - stageVelocity;
|
|
}
|
|
if (upKeyID in keysDown) {
|
|
y_rel = y_rel + stageVelocity;
|
|
}
|
|
if (downKeyID in keysDown) {
|
|
y_rel = y_rel - stageVelocity;
|
|
}
|
|
if (pgupKeyID in keysDown) {
|
|
z_rel = z_rel - focusVelocity;
|
|
}
|
|
if (pgdnKeyID in keysDown) {
|
|
z_rel = z_rel + focusVelocity;
|
|
}
|
|
|
|
// Make a position request
|
|
moveStagePositions(x_rel, y_rel, z_rel)
|
|
}
|
|
|
|
}, false);
|
|
|
|
addEventListener("keyup", function (e) {
|
|
delete keysDown[e.keyCode]; //Remove key from array
|
|
}, false);
|
|
|
|
window.addEventListener('wheel', function(e) {
|
|
multiplier = 1/100;
|
|
z_delta = e.deltaY * multiplier * focusVelocity;
|
|
console.log(z_delta);
|
|
if (document.getElementById("scrollFocusCheck").checked == true) {
|
|
// Make a position request
|
|
safeRequest("POST", "{{ url_for('position') }}", { "absolute": false, "z": z_delta}, keyMoveCallback)
|
|
}
|
|
});
|
|
|
|
// Methods for making requests
|
|
function safeRequest(method, url, payload, callback) {
|
|
if (requestLock == false) {
|
|
var xhr = new XMLHttpRequest(); // new HttpRequest instance
|
|
xhr.open(method, url);
|
|
requestLock = true;
|
|
|
|
xhr.onload = function (e) {
|
|
if (xhr.readyState === 4) {
|
|
if (xhr.status !== 200) {
|
|
console.error(xhr.statusText);
|
|
}
|
|
callback(JSON.parse(xhr.responseText), xhr.status);
|
|
}
|
|
requestLock = false;
|
|
};
|
|
|
|
if (method == "POST" || method == "PUT") {
|
|
xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
|
|
}
|
|
|
|
xhr.send(JSON.stringify(payload));
|
|
|
|
}
|
|
else {
|
|
console.log("Cannot start new request while previous requets is pending...")
|
|
}
|
|
}
|
|
|
|
</script>
|
|
|
|
</html>
|