2021-08-14 16:57:29 +00:00
|
|
|
/**
|
2022-03-05 16:49:35 +00:00
|
|
|
* LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
|
2022-01-12 17:47:17 +00:00
|
|
|
* Copyright (C) 2022 Ad5001
|
2021-08-14 16:57:29 +00:00
|
|
|
*
|
|
|
|
* This program is free software: you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License as published by
|
|
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
|
|
* (at your option) any later version.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
|
|
|
|
.pragma library
|
|
|
|
|
|
|
|
.import "common.js" as Common
|
|
|
|
.import "function.js" as F
|
|
|
|
.import "../objects.js" as Objects
|
|
|
|
.import "../utils.js" as Utils
|
|
|
|
.import "../mathlib.js" as MathLib
|
|
|
|
.import "../historylib.js" as HistoryLib
|
|
|
|
.import "../parameters.js" as P
|
|
|
|
|
|
|
|
class GainBode extends Common.ExecutableObject {
|
|
|
|
static type(){return 'Gain Bode'}
|
2022-01-20 17:19:36 +00:00
|
|
|
static displayType(){return qsTr('Bode Magnitude')}
|
|
|
|
static displayTypeMultiple(){return qsTr('Bode Magnitudes')}
|
2022-01-27 00:02:44 +00:00
|
|
|
/*static properties() {return {
|
2021-08-14 16:57:29 +00:00
|
|
|
'om_0': new P.ObjectType('Point'),
|
|
|
|
'pass': new P.Enum('high', 'low'),
|
|
|
|
'gain': 'Expression',
|
|
|
|
'labelPosition': new P.Enum('above', 'below', 'left', 'right', 'above-left', 'above-right', 'below-left', 'below-right'),
|
|
|
|
'labelX': 'number',
|
|
|
|
'omGraduation': 'boolean'
|
2022-01-27 00:02:44 +00:00
|
|
|
}}*/
|
|
|
|
static properties() {return {
|
|
|
|
[QT_TRANSLATE_NOOP('prop','om_0')]: new P.ObjectType('Point'),
|
|
|
|
[QT_TRANSLATE_NOOP('prop','pass')]: P.Enum.BodePass,
|
|
|
|
[QT_TRANSLATE_NOOP('prop','gain')]: 'Expression',
|
|
|
|
[QT_TRANSLATE_NOOP('prop','labelPosition')]: P.Enum.Position,
|
|
|
|
[QT_TRANSLATE_NOOP('prop','labelX')]: 'number',
|
|
|
|
[QT_TRANSLATE_NOOP('prop','omGraduation')]: 'boolean'
|
2021-08-14 16:57:29 +00:00
|
|
|
}}
|
|
|
|
|
|
|
|
constructor(name = null, visible = true, color = null, labelContent = 'name + value',
|
|
|
|
om_0 = '', pass = 'high', gain = '20', labelPosition = 'above', labelX = 1, omGraduation = false) {
|
|
|
|
if(name == null) name = Common.getNewName('G')
|
|
|
|
if(name == 'G') name = 'G₀' // G is reserved for sum of BODE magnitudes (Somme gains Bode).
|
|
|
|
super(name, visible, color, labelContent)
|
|
|
|
this.type = 'Gain Bode'
|
|
|
|
if(typeof om_0 == "string") {
|
|
|
|
// Point name or create one
|
|
|
|
om_0 = Objects.getObjectByName(om_0, 'Point')
|
|
|
|
if(om_0 == null) {
|
|
|
|
// Create new point
|
|
|
|
om_0 = Objects.createNewRegisteredObject('Point')
|
|
|
|
om_0.name = Common.getNewName('ω')
|
|
|
|
om_0.labelContent = 'name'
|
|
|
|
om_0.color = this.color
|
|
|
|
HistoryLib.history.addToHistory(new HistoryLib.CreateNewObject(om_0.name, 'Point', om_0.export()))
|
|
|
|
labelPosition = 'below'
|
|
|
|
}
|
|
|
|
om_0.requiredBy.push(this)
|
|
|
|
}
|
|
|
|
this.om_0 = om_0
|
|
|
|
this.pass = pass
|
|
|
|
if(typeof gain == 'number' || typeof gain == 'string') gain = new MathLib.Expression(gain.toString())
|
|
|
|
this.gain = gain
|
|
|
|
this.labelPosition = labelPosition
|
|
|
|
this.labelX = labelX
|
|
|
|
this.omGraduation = omGraduation
|
|
|
|
}
|
|
|
|
|
|
|
|
getReadableString() {
|
2022-01-20 17:19:36 +00:00
|
|
|
let pass = this.pass == "low" ? qsTr("low-pass") : qsTr("high-pass");
|
|
|
|
return `${this.name}: ${pass}; ${this.om_0.name} = ${this.om_0.x}\n ${' '.repeat(this.name.length)}${this.gain.toString(true)} dB/dec`
|
2021-08-14 16:57:29 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
export() {
|
|
|
|
return [this.name, this.visible, this.color.toString(), this.labelContent,
|
|
|
|
this.om_0.name, this.pass.toString(), this.gain.toEditableString(), this.labelPosition, this.labelX, this.omGraduation]
|
|
|
|
}
|
|
|
|
|
|
|
|
execute(x=1) {
|
|
|
|
if(typeof x == 'string') x = MathLib.executeExpression(x)
|
|
|
|
if((this.pass == 'high' && x < this.om_0.x) || (this.pass == 'low' && x > this.om_0.x)) {
|
|
|
|
var dbfn = new MathLib.Expression(`${this.gain.execute()}*(ln(x)-ln(${this.om_0.x}))/ln(10)+${this.om_0.y}`)
|
|
|
|
return dbfn.execute(x)
|
|
|
|
} else {
|
|
|
|
return this.om_0.y.execute()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
simplify(x = 1) {
|
|
|
|
var xval = x
|
|
|
|
if(typeof x == 'string') xval = MathLib.executeExpression(x)
|
|
|
|
if((this.pass == 'high' && xval < this.om_0.x) || (this.pass == 'low' && xval > this.om_0.x)) {
|
|
|
|
var dbfn = new MathLib.Expression(`${this.gain.execute()}*(ln(x)-ln(${this.om_0.x}))/ln(10)+${this.om_0.y}`)
|
|
|
|
return dbfn.simplify(x)
|
|
|
|
} else {
|
|
|
|
return this.om_0.y.toString()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
canExecute(x = 1) {
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
|
|
|
draw(canvas, ctx) {
|
|
|
|
var base = [canvas.x2px(this.om_0.x), canvas.y2px(this.om_0.y)]
|
|
|
|
var dbfn = new MathLib.Expression(`${this.gain.execute()}*(ln(x)-ln(${this.om_0.x}))/ln(10)+${this.om_0.y}`)
|
|
|
|
var inDrawDom = new MathLib.EmptySet()
|
|
|
|
|
|
|
|
if(this.pass == 'high') {
|
|
|
|
// High pass, linear line from begining, then constant to the end.
|
|
|
|
canvas.drawLine(ctx, base[0], base[1], canvas.canvasSize.width, base[1])
|
|
|
|
inDrawDom = MathLib.parseDomain(`]-inf;${this.om_0.x}[`)
|
|
|
|
} else {
|
|
|
|
// Low pass, constant from the beginning, linear line to the end.
|
|
|
|
canvas.drawLine(ctx, base[0], base[1], 0, base[1])
|
|
|
|
inDrawDom = MathLib.parseDomain(`]${this.om_0.x};+inf[`)
|
|
|
|
}
|
|
|
|
F.Function.drawFunction(canvas, ctx, dbfn, inDrawDom, MathLib.Domain.R)
|
|
|
|
// Dashed line representing break in function
|
|
|
|
var xpos = canvas.x2px(this.om_0.x.execute())
|
|
|
|
var dashPxSize = 10
|
|
|
|
for(var i = 0; i < canvas.canvasSize.height && this.omGraduation; i += dashPxSize*2)
|
|
|
|
canvas.drawLine(ctx, xpos, i, xpos, i+dashPxSize)
|
|
|
|
// Label
|
|
|
|
var text = this.getLabel()
|
|
|
|
ctx.font = `${canvas.textsize}px sans-serif`
|
|
|
|
var textSize = canvas.measureText(ctx, text)
|
|
|
|
var posX = canvas.x2px(this.labelX)
|
|
|
|
var posY = canvas.y2px(this.execute(this.labelX))
|
|
|
|
switch(this.labelPosition) {
|
|
|
|
case 'above':
|
|
|
|
canvas.drawVisibleText(ctx, text, posX-textSize.width/2, posY-textSize.height)
|
|
|
|
break;
|
|
|
|
case 'below':
|
|
|
|
canvas.drawVisibleText(ctx, text, posX-textSize.width/2, posY+textSize.height)
|
|
|
|
break;
|
|
|
|
case 'left':
|
|
|
|
canvas.drawVisibleText(ctx, text, posX-textSize.width, posY-textSize.height/2)
|
|
|
|
break;
|
|
|
|
case 'right':
|
|
|
|
canvas.drawVisibleText(ctx, text, posX, posY-textSize.height/2)
|
|
|
|
break;
|
|
|
|
case 'above-left':
|
|
|
|
canvas.drawVisibleText(ctx, text, posX-textSize.width, posY-textSize.height)
|
|
|
|
break;
|
|
|
|
case 'above-right':
|
|
|
|
canvas.drawVisibleText(ctx, text, posX, posY-textSize.height)
|
|
|
|
break;
|
|
|
|
case 'below-left':
|
|
|
|
canvas.drawVisibleText(ctx, text, posX-textSize.width, posY+textSize.height)
|
|
|
|
break;
|
|
|
|
case 'below-right':
|
|
|
|
canvas.drawVisibleText(ctx, text, posX, posY+textSize.height)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
update() {
|
|
|
|
super.update()
|
2021-09-30 18:36:05 +00:00
|
|
|
if(Objects.currentObjects['Somme gains Bode'] != undefined && Objects.currentObjects['Somme gains Bode'].length > 0) {
|
2021-08-14 16:57:29 +00:00
|
|
|
Objects.currentObjects['Somme gains Bode'][0].recalculateCache()
|
|
|
|
} else {
|
|
|
|
Objects.createNewRegisteredObject('Somme gains Bode')
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|