Published unlisted
Edited
Jun 29, 2021
spectralDecompositionsAll = html`
<div id="specDecompAll">
${inputsRadio}
${body}
${inputsSlider}
</div>
`
inputsRadio = html`
<div id="specDecompInputsRadio">
${baseImageRadio}
</div>
`
inputsSlider = html`
<div id="specDecompInputsSlider">
${numComponentsSlider}
</div>
`
body = html`
<div id="specDecompBody">
<div id="orig">
${origCanvas}
${origCaption}
</div>
${arrow}
<div id="upd">
${updCanvas}
${updCaption}
</div>
</div>
`
updCaption = html`
<figcaption id="updCaption">
Transformed Image
${tex`x'`}
</figcaption>
`
updateArrowCaption = {
const text = (numComponents == maxComponents ? `All ${maxComponents}` : `First ${numComponents}`);
d3.select(arrow).select('#caption').text(`Keep ${text} Spectral Components`);
}
arrow = html`
<svg id="svgArrow" width=320 height=50 viewBox="0 0 320 50">
<g>
<text id="caption"></text>
</g>
</svg>`
drawArrow = {
const group = d3.select(arrow).select('g');
group
.append('defs')
.append('marker')
.attr('id', 'arrow')
.attr('viewBox', [0, 0, 20, 20])
.attr('refX', 10)
.attr('refY', 10)
.attr('markerWidth', 10)
.attr('markerHeight', 10)
.attr('orient', 'auto-start-reverse')
.append('path')
.attr('d', d3.line()([[0, 0], [0, 20], [20, 10]]))
.attr('stroke', 'black');
const xOffset = 10;
const arrowLen = 300;
group
.append('path')
.attr('d', d3.line()([[xOffset, 25], [xOffset + arrowLen, 25]]))
.attr('stroke', 'black')
.attr('marker-end', 'url(#arrow)')
.attr('fill', 'none');
group
.select('#caption')
.text(`Keep Top Spectral Components`)
.attr('text-anchor', 'middle')
.attr('dominant-baseline', 'central')
.attr('x', xOffset + (arrowLen / 2))
.attr('y', 40);
}
baseImage = Generators.input(baseImageRadio);
numComponentsSlider = {
var allowedVals = [1, 5, 10, 20, 50, 100, 200, 500, 750, 1000, 1500, 2000];
return slider({
min: 0,
max: allowedVals.length - 1,
step: 1,
title: "Number of Spectral Components (m)",
value: 6,
getValue: n => allowedVals[n.value],
});
}
numComponents = Generators.input(numComponentsSlider);
allAttachments = [
FileAttachment('spectral-chicken-1.png'),
FileAttachment('spectral-chicken-5.png'),
FileAttachment('spectral-chicken-10.png'),
FileAttachment('spectral-chicken-20.png'),
FileAttachment('spectral-chicken-50.png'),
FileAttachment('spectral-chicken-100.png'),
FileAttachment('spectral-chicken-200.png'),
FileAttachment('spectral-chicken-500.png'),
FileAttachment('spectral-chicken-750.png'),
FileAttachment('spectral-chicken-1000.png'),
FileAttachment('spectral-chicken-1500.png'),
FileAttachment('spectral-chicken-2000.png'),
FileAttachment('spectral-fish-1.png'),
FileAttachment('spectral-fish-5.png'),
FileAttachment('spectral-fish-10.png'),
FileAttachment('spectral-fish-20.png'),
FileAttachment('spectral-fish-50.png'),
FileAttachment('spectral-fish-100.png'),
FileAttachment('spectral-fish-200.png'),
FileAttachment('spectral-fish-500.png'),
FileAttachment('spectral-fish-750.png'),
FileAttachment('spectral-fish-1000.png'),
FileAttachment('spectral-fish-1500.png'),
FileAttachment('spectral-fish-2000.png'),
FileAttachment('spectral-frog-1.png'),
FileAttachment('spectral-frog-5.png'),
FileAttachment('spectral-frog-10.png'),
FileAttachment('spectral-frog-20.png'),
FileAttachment('spectral-frog-50.png'),
FileAttachment('spectral-frog-100.png'),
FileAttachment('spectral-frog-200.png'),
FileAttachment('spectral-frog-500.png'),
FileAttachment('spectral-frog-750.png'),
FileAttachment('spectral-frog-1000.png'),
FileAttachment('spectral-frog-1500.png'),
FileAttachment('spectral-frog-2000.png'),
FileAttachment('spectral-spider-1.png'),
FileAttachment('spectral-spider-5.png'),
FileAttachment('spectral-spider-10.png'),
FileAttachment('spectral-spider-20.png'),
FileAttachment('spectral-spider-50.png'),
FileAttachment('spectral-spider-100.png'),
FileAttachment('spectral-spider-200.png'),
FileAttachment('spectral-spider-500.png'),
FileAttachment('spectral-spider-750.png'),
FileAttachment('spectral-spider-1000.png'),
FileAttachment('spectral-spider-1500.png'),
FileAttachment('spectral-spider-2000.png'),
];
allImages = {
var images = await Promise.all(allAttachments.map(file => file.image()));
var dict = {};
for(const [i, f] of allAttachments.entries()){
dict[f.name] = images[i];
}
return dict;
}
function getImageByName(imglabel, numcomponents){
return allImages[`spectral-${imglabel}-${numcomponents}.png`];
}
function drawImage(baseImage) {
const image = getImageByName(baseImage, `${maxComponents}`);
const ctx = origCanvas.getContext('2d');
ctx.drawImage(image, 0, 0);
}
drawCurrBaseImg = drawImage(baseImage)
function drawUpdImage(baseImage, numComponents) {
const image = getImageByName(baseImage, numComponents);
const ctx = updCanvas.getContext('2d');
ctx.drawImage(image, 0, 0);
}
drawCurrUpdImg =drawUpdImage(baseImage, numComponents)
imageExample = getImageByName('chicken', 100);
canvasWidth = imageExample.width;
canvasHeight = imageExample.height;
origCanvas = html`<canvas width=${canvasWidth} height=${canvasHeight}></canvas>`
updCanvas = html`<canvas width=${canvasWidth} height=${canvasHeight}></canvas>`
maxComponents = 2000
style = html`
<style>
#specDecompBody {
display: flex;
justify-content: center;
}
#svgArrow {
margin-top: 83px;
margin-left: 2em;
margin-right: 2em;
}
#specDecompAll {
display: flex;
flex-direction: column;
text-align: center;
height: 350px;
justify-content: space-evenly;
}
#specDecompInputsRadio input {
margin-top: 0.5em;
vertical-align: unset !important;
}
#origCaption {
margin-top: 1em;
}
#updCaption {
margin-top: 1em;
}
`
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