dominic/ResistorJS
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This commit is contained in:
Dominic Zimmer 2020-11-18 17:54:39 +01:00
parent c44be9ec68
commit 6facbd4c93
3 changed files with 7 additions and 5 deletions
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8
main.js
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@ -1,5 +1,9 @@
import { Resistor, SeriesResistor, ParallelResistor } from './modules/resistors.js'; import { Resistor, SeriesResistor, ParallelResistor } from './modules/resistors.js';
window.Resistor = Resistor
window.SeriesResistor = SeriesResistor
window.ParallelResistor = ParallelResistor
var resistorValues = [100, 1000] var resistorValues = [100, 1000]
var N = 4 var N = 4
var maxValue = Math.max(...resistorValues) var maxValue = Math.max(...resistorValues)
@ -41,6 +45,7 @@ console.log(`Parameters: N = ${N}, values = ${resistorValues} `);
for (i = 0; i < N; i++) for (i = 0; i < N; i++)
bottomUpDP(); bottomUpDP();
console.log("Finished computation of DP array"); console.log("Finished computation of DP array");
window.numberline = numberline
function missings() { function missings() {
var missing = new Set() var missing = new Set()
@ -52,6 +57,3 @@ function missings() {
} }
console.log(`We found a composite resistor for every value in the range [1, ${N * maxValue + 1}] but for: ${[...missings()].join(",")}`) console.log(`We found a composite resistor for every value in the range [1, ${N * maxValue + 1}] but for: ${[...missings()].join(",")}`)
numberline[420].draw() // Draw the Resistor diagram for 420 Ohm as SVG
console.log(numberline)

4
modules/resistors.js
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@ -35,7 +35,7 @@ class Resistor {
var [width, height] = [50, 100] var [width, height] = [50, 100]
return [svg, width, height] return [svg, width, height]
} }
draw() { draw(element = document.getElementsByTagName("body")[0]) {
var [svg, width, height] = this.getSVG(); var [svg, width, height] = this.getSVG();
var maxHeight = height + 2*25 var maxHeight = height + 2*25
var maxWidth = width var maxWidth = width
@ -47,7 +47,7 @@ class Resistor {
${svg} ${svg}
</g> </g>
</svg>` </svg>`
document.getElementsByTagName("body")[0].innerHTML = thesvg; element.innerHTML += thesvg;
} }
} }