Refractoring the magnitude sum object cache calculation which should (hopefully) reduce bugs and improve maintainability.
This commit is contained in:
parent
601efc6122
commit
a16f02fd5f
2 changed files with 60 additions and 47 deletions
LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs
|
@ -133,10 +133,19 @@ export default class GainBode extends ExecutableObject {
|
|||
|
||||
update() {
|
||||
super.update()
|
||||
if(Objects.currentObjects['Somme gains Bode'] !== undefined && Objects.currentObjects['Somme gains Bode'].length > 0) {
|
||||
Objects.currentObjects['Somme gains Bode'][0].recalculateCache()
|
||||
let sumObjs = Objects.currentObjects['Somme gains Bode']
|
||||
if(sumObjs !== undefined && sumObjs.length > 0) {
|
||||
sumObjs[0].recalculateCache()
|
||||
} else {
|
||||
Objects.createNewRegisteredObject('Somme gains Bode')
|
||||
}
|
||||
}
|
||||
|
||||
delete() {
|
||||
super.delete()
|
||||
let sumObjs = Objects.currentObjects['Somme gains Bode']
|
||||
if(sumObjs !== undefined && sumObjs.length > 0) {
|
||||
sumObjs[0].recalculateCache()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -16,7 +16,7 @@
|
|||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
import { parseDomain, Expression, Domain } from "../mathlib.mjs"
|
||||
import { Range, Expression, Domain } from "../mathlib.mjs"
|
||||
import * as P from "../parameters.mjs"
|
||||
import Objects from "../objects.mjs"
|
||||
import Latex from "../math/latex.mjs"
|
||||
|
@ -53,9 +53,9 @@ export default class SommeGainsBode extends ExecutableObject {
|
|||
}
|
||||
|
||||
execute(x = 0) {
|
||||
for(let [dbfn, inDrawDom] of this.cachedParts) {
|
||||
for(let [limitedDrawFunction, inDrawDom] of this.cachedParts) {
|
||||
if(inDrawDom.includes(x)) {
|
||||
return dbfn.execute(x)
|
||||
return limitedDrawFunction.execute(x)
|
||||
}
|
||||
}
|
||||
return null
|
||||
|
@ -66,9 +66,9 @@ export default class SommeGainsBode extends ExecutableObject {
|
|||
}
|
||||
|
||||
simplify(x = 1) {
|
||||
for(let [dbfn, inDrawDom] of this.cachedParts) {
|
||||
for(let [limitedDrawFunction, inDrawDom] of this.cachedParts) {
|
||||
if(inDrawDom.includes(x)) {
|
||||
return dbfn.simplify(x)
|
||||
return limitedDrawFunction.simplify(x)
|
||||
}
|
||||
}
|
||||
return ''
|
||||
|
@ -77,61 +77,65 @@ export default class SommeGainsBode extends ExecutableObject {
|
|||
recalculateCache() {
|
||||
this.cachedParts = []
|
||||
// Calculating this is fairly resource expansive so it's cached.
|
||||
if(Objects.currentObjects['Gain Bode'] !== undefined) {
|
||||
let magnitudeObjects = Objects.currentObjects['Gain Bode']
|
||||
if(magnitudeObjects === undefined || magnitudeObjects.length < 1) {
|
||||
Objects.deleteObject(this.name)
|
||||
} else {
|
||||
console.log('Recalculating cache gain')
|
||||
// Minimum to draw (can be expended if needed, just not infinite or it'll cause issues.
|
||||
let drawMin = 0.001
|
||||
|
||||
const MIN_DRAW = 1e-20
|
||||
// Format: [[x value of where the filter transitions, magnitude, high-pass (bool)]]
|
||||
const magnitudes = []
|
||||
const XVALUE = 0
|
||||
const MAGNITUDE = 1
|
||||
const PASS = 2
|
||||
magnitudes.push([Number.MAX_VALUE, 0, true]) // Draw the ending section
|
||||
// Collect data from current magnitude (or gain in French) objects.
|
||||
let baseY = 0
|
||||
let om0xGains = {1000000000: 0} // To draw the last part
|
||||
let om0xPass = {1000000000: 'high'} // To draw the last part
|
||||
for(/** @type {GainBode} */ let gainObj of Objects.currentObjects['Gain Bode']) { // Sorting by their om_0 position.
|
||||
let om0x = gainObj.om_0.x.execute()
|
||||
if(om0xGains[om0x] === undefined) {
|
||||
om0xGains[om0x] = gainObj.gain.execute()
|
||||
om0xPass[om0x] = gainObj.pass === 'high'
|
||||
} else {
|
||||
om0xGains[om0x+0.001] = gainObj.gain.execute()
|
||||
om0xPass[om0x+0.001] = gainObj.pass === 'high'
|
||||
for(/** @type {GainBode} */ let magnitudeObj of magnitudeObjects) { // Sorting by their om_0 position.
|
||||
const om0x = magnitudeObj.om_0.x.execute()
|
||||
magnitudes.push([om0x, magnitudeObj.gain.execute(), magnitudeObj.pass === 'high'])
|
||||
baseY += magnitudeObj.execute(MIN_DRAW)
|
||||
}
|
||||
baseY += gainObj.execute(drawMin)
|
||||
}
|
||||
// Sorting the om_0x
|
||||
let om0xList = Object.keys(om0xGains).map(x => parseFloat(x)) // THEY WERE CONVERTED TO STRINGS...
|
||||
om0xList.sort((a,b) => a - b)
|
||||
// Sorting the data by their x transitions value
|
||||
magnitudes.sort((a,b) => a[XVALUE] - b[XVALUE])
|
||||
// Adding the total gains.
|
||||
let gainsBeforeP = []
|
||||
let gainsAfterP = []
|
||||
let gainTotal = 0
|
||||
for(let om0x of om0xList){
|
||||
if(om0xPass[om0x]) { // High-pass
|
||||
gainsBeforeP.push(om0xGains[om0x])
|
||||
gainsAfterP.push(0)
|
||||
gainTotal += om0xGains[om0x] // Gain at first
|
||||
let magnitudesBeforeTransition = []
|
||||
let magnitudesAfterTransition = []
|
||||
let totalMagnitudeAtStart = 0 // Magnitude at the lowest x value (sum of all high-pass magnitudes)
|
||||
for(let [om0x, magnitude, highpass] of magnitudes){
|
||||
if(highpass) {
|
||||
magnitudesBeforeTransition.push(magnitude)
|
||||
magnitudesAfterTransition.push(0)
|
||||
totalMagnitudeAtStart += magnitude
|
||||
} else {
|
||||
gainsBeforeP.push(0)
|
||||
gainsAfterP.push(om0xGains[om0x])
|
||||
magnitudesBeforeTransition.push(0)
|
||||
magnitudesAfterTransition.push(magnitude)
|
||||
}
|
||||
}
|
||||
// Calculating parts
|
||||
let previousPallier = drawMin
|
||||
for(let pallier = 0; pallier < om0xList.length; pallier++) {
|
||||
let dbfn = new Expression(`${gainTotal}*(ln(x)-ln(${previousPallier}))/ln(10)+${baseY}`)
|
||||
let inDrawDom = parseDomain(`]${previousPallier};${om0xList[pallier]}]`)
|
||||
this.cachedParts.push([dbfn, inDrawDom])
|
||||
previousPallier = om0xList[pallier]
|
||||
baseY = dbfn.execute(om0xList[pallier])
|
||||
gainTotal += gainsAfterP[pallier] - gainsBeforeP[pallier]
|
||||
let previousTransitionX = MIN_DRAW
|
||||
let currentMagnitude = totalMagnitudeAtStart
|
||||
for(let transitionID = 0; transitionID < magnitudes.length; transitionID++) {
|
||||
const transitionX = magnitudes[transitionID][XVALUE]
|
||||
// Create draw function that will be used during drawing.
|
||||
const limitedDrawFunction = new Expression(`${currentMagnitude}*(ln(x)-ln(${previousTransitionX}))/ln(10)+${baseY}`)
|
||||
const drawDomain = new Range(previousTransitionX, transitionX, true, false)
|
||||
this.cachedParts.push([limitedDrawFunction, drawDomain])
|
||||
// Prepare default values for next function.
|
||||
previousTransitionX = transitionX
|
||||
baseY = limitedDrawFunction.execute(transitionX)
|
||||
currentMagnitude += magnitudesAfterTransition[transitionID] - magnitudesBeforeTransition[transitionID]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
draw(canvas) {
|
||||
if(this.cachedParts.length > 0) {
|
||||
for(let [dbfn, inDrawDom] of this.cachedParts) {
|
||||
Function.drawFunction(canvas, dbfn, inDrawDom, Domain.R)
|
||||
if(inDrawDom.includes(this.labelX)) {
|
||||
// Label
|
||||
for(let [limitedDrawFunction, drawDomain] of this.cachedParts) {
|
||||
Function.drawFunction(canvas, limitedDrawFunction, drawDomain, Domain.R)
|
||||
// Check if necessary to draw label
|
||||
if(drawDomain.includes(this.labelX)) {
|
||||
this.drawLabel(canvas, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue