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script.js
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script.js
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let model = null;
async function loadModel(){
model = await tf.loadLayersModel("./assests/model/model.json");
}
loadModel();
const labels = {
0: "Aphid infestation",
1: "Brown spot",
2: "Frog eye leaf spot",
3: "Tobacco mosaic virus (TMV)",
4: "Tobacco leaf curl disease",
5: "Healthy leafs"
}
function getViewWidthHeight(vWidth, vHeight) {
let factor=15
let nWidth = 0,
nHeight = 0,
widthRem = 0,
heightRem = 0;
if (vWidth < vHeight) {
let rem = vWidth * (factor / 100);
widthRem = rem / 2;
nWidth = vWidth - rem;
nHeight = nWidth;
heightRem = (vHeight - nHeight) / 2;
} else {
let rem = vHeight * (factor / 100);
heightRem = rem / 2;
nHeight = vHeight - rem;
nWidth = nHeight;
widthRem = (vWidth - nWidth) / 2;
}
return [nWidth, nHeight, widthRem, heightRem];
}
const video = document.getElementById('camera-video');
const box = document.getElementById('box-view');
const result=document.getElementById('result-cont')
navigator.mediaDevices.getUserMedia({ video: { facingMode: 'environment', width: window.innerHeight , height: window.innerWidth } })
.then(stream => video.srcObject = stream);
function positonBox() {
const videoPos = video.getBoundingClientRect();
let [nWidth, nHeight, widthGap, heightGap] = getViewWidthHeight(videoPos.width, videoPos.height);
box.style.display = 'unset';
box.style.width = `${nWidth}px`;
box.style.height = `${nHeight}px`;
box.style.top = `${heightGap + videoPos.y}px`;
box.style.left = `${widthGap + videoPos.x}px`;
}
video.addEventListener('loadeddata', positonBox);
window.addEventListener('resize', positonBox);
function clickPicture() {
const image=new Image();
const canvas = document.createElement('canvas');
const [width, height, x, y] = getViewWidthHeight(video.videoWidth, video.videoHeight);
canvas.width = width;
canvas.height = height;
const ctx = canvas.getContext('2d');
ctx.drawImage(video, x, y, width, height, 0, 0, width, height);
// image.src = canvas.toDataURL();
return canvas.toDataURL()
}
function imgResultDiseases(data){
document.querySelector('.cont-disease').textContent=PostData[data].name
document.querySelector('.img-ref').href=PostData[data].imageUrl
document.querySelector('.shoplink-ref').href=PostData[data].productLink
document.querySelector('.cont-disease').style.color='red'
document.querySelector('.cont-fertilizers').style.display='block'
document.querySelector('.cont-fertilizers').textContent=PostData[data].fertilizers
document.querySelector('.cont-causes').textContent=PostData[data].causes
document.querySelector('.p-fertilizers').style.display='block'
document.querySelector('.p-causes').style.display='inherit'
document.querySelector('.links-fertilizers').style.display='inherit'
}
function imgResultHealthy(data){
document.querySelector('.cont-disease').textContent=PostData[data].name
document.querySelector('.cont-disease').style.color='#32cd32'
document.querySelector('.cont-fertilizers').style.display='none'
}
function forResult(imgData){
document.getElementById('result-img').src=imgData
result.style.display='unset'
result.classList.add('resultUpAnimiation')
document.querySelector('.p-fertilizers').style.display='none'
document.querySelector('.p-causes').style.display='none'
document.querySelector('.links-fertilizers').style.display='none'
document.getElementById('result-img').onload=function(){
predictClass(document.getElementById('result-img'))
.then(data => {
if(data === 5){
imgResultHealthy(data)
}
else{
imgResultDiseases(data)
}
})
}
}
document.getElementById('click').addEventListener('click',function () {
forResult(clickPicture())
})
document.getElementById('closedown').addEventListener('click',function(){
result.classList.remove('resultUpAnimiation')
result.classList.add('closingdownAnimation')
setTimeout(function(){
result.style.display='none'
result.classList.remove('closingdownAnimation')
},240)
})
document.getElementById('info-outline').addEventListener('click',function(){
document.getElementById('info-cont').classList.add('infoTopAnim')
document.getElementById('info-cont__outer').style.display='unset'
})
document.getElementById('info__closedown').addEventListener('click',function () {
document.getElementById('info-cont').classList.remove('infoTopAnim')
document.getElementById('info-cont').classList.add('infoDownAnim')
setTimeout(function () {
document.getElementById('info-cont__outer').style.display='none'
document.getElementById('info-cont').classList.remove('infoDownAnim')
},140)
})
document.getElementById('file-picker').addEventListener('change',function(e){
const r = new FileReader();
r.readAsDataURL(e.target.files[0])
r.onload = function () {
forResult(r.result);
}
})
async function predictClass(imageTag){
const pixel = await tf.browser.fromPixels(imageTag)
const resized = await tf.image.resizeBilinear(pixel,[400,400])
.toFloat()
.div(tf.scalar(255.0))
.expandDims();
let predict = await model.predict(resized).array();
// console.log(predict);
const maxItem = Math.max(...predict[0]);
const classIndex = predict[0].indexOf(maxItem);
return classIndex;
}