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graph.js
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385 lines (301 loc) · 9.87 KB
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var coeObj = {
a: 0,
b: 0,
c: 0,
d: 0,
a10: 0,
b10: 0,
c10: 0,
d10: 0
};
// var period;//주기
// var phase_x; // x원점으로 부터의 떨어진 정도
var arrphase = [];
var arrperiod = [];
var arrObj = {
rows: 0,//엑셀 파일의 내용을 json으로 바꾼 것
xData: 0,//x좌표값 배열 선언
yData: 0,//y좌표값 배열 선언
xDatafitdata: 0, //피팅할 범위 x
yDatafitdata: 0, //피팅할 범위 y
xRange: 0, //드래그된 x범위
yRange: 0, //드래그된 y범위
xmatrix: 0,//x좌표의 행렬
T_xmatrix: 0// 전치행렬
};
var ymatrix = new Array(1); //y좌표를 행렬로 받아올 변수
var type = 0; //옵션 선택 값
var roof_type = 0;
var values_2x = [];
var values_final = [];
// 피팅함수 종류가 뭔지 type을 숫자로 받아오는 함수
function change_Type(e) {
const value = e.value;
type = value;
}
function change_Roof_Type(e) {
const value = e.value;
roof_type = value;
}
// function change_cycle_show(sVal)
// {
// var obValueView = document.getElementById("cycle_view");
// obValueView.innerHTML = sVal
// }
// function change_phase_x_show(sVal)
// {
// var obValueView = document.getElementById("phase_x_view");
// obValueView.innerHTML = sVal
// }
// function change_phase_x(){
// var obValueView = document.getElementById("phase_x_view");
// const value = obValueView.value;
// phase_x=parseFloat(value);
// arrphase.push(phase_x);
// }
function action_button() {
arrObj.yData = [];
arrObj.xData = [];
// getdata();
getGraph_select_range(coords.xcd, coords.ycd);
}
// //좌표이름 바꾸는 곳
// function getdata() {
// arrObj.xData.push(coords.xcd);
// arrObj.yData.push(coords.ycd);
// console.log("나와봐" + arrObj.xData);
// }
//다중 그래프 그리기
function getGraph(data_x, data_y, fitdata_x, fitdata_y, type) {
var Graph = document.getElementById('myGraph');
var labels = ['Original', 'Fitting'];
//trace1 : 선택된 범위의 원래data 그래프
var original = {
x: data_x,
y: data_y,
name: 'original',
type: 'scatter',
mode: 'lines', // 점 안찍히고 라인만
line: {
color: "black"
}
};
//trace2 : 선택된 범위의 피팅 그래프
var fit = {
x: fitdata_x,
y: fitdata_y,
name: 'fitting',
type: 'scatter',
mode: 'lines', // 점 안찍히고 라인만
line: {
color: "red"
},
text: labels[1]
};
var data = [original, fit];
var layout = {
autosize: true,
text: labels[0],
title: 'Fitting Graph',
font: { size: 20, family: "Times New Roman" },
showlegend: true,
paper_bgcolor: "rgba(255, 255, 255, 1)",//전체 배경
plot_bgcolor: "rgba(255, 255, 255, 1)"//그래프 부분 색
};
var config = {
displayModeBar: true,
responsive: true,
modeBarButtonsToRemove: ['lasso2d', 'autoScale2d', 'toggleSpikelines', 'select2d'],
displaylogo: false
};
Plotly.newPlot(Graph, data, layout, config);
coeObj.a10 = coeObj.a.toFixed(4);//10자리수까지 반올림
coeObj.b10 = coeObj.b.toFixed(4);
coeObj.c10 = coeObj.c.toFixed(4);//10자리수까지 반올림
coeObj.d10 = coeObj.d.toFixed(4);
if (type == 1) {
document.getElementById('fitting_result').innerHTML = "f(X) = " + coeObj.a10 + "x + (" + coeObj.b10 + ")"
//Plotly.relayout(where, 'title',`y = ${a10}x + ${b10}`);
} else if (type == 2) {
document.getElementById('fitting_result').innerHTML = "f(X) = " + coeObj.a10 + "x² + (" + coeObj.b10 + ")x + (" + coeObj.c10 + ")"
//Plotly.relayout(where, 'title',`y = ${a10}x² + ${b10}x + ${c10}`);
}
}
//영역 선택할 수 있는 그래프
function getGraph_select_range(data_x, data_y) {
var Graph = document.getElementById('myGraph');
var data = [{
mode: 'lines+markers',
x: data_x,
y: data_y,
line: { color: 'black' }
}];
var layout = {
autosize: true,
title: 'Graph',
font: { size: 20, family: "Times New Roman" },
dragmode: 'select',
paper_bgcolor: "rgba(255,255,255, 1)",//전체 배경
plot_bgcolor: "rgba(255,255,255, 1)"//그래프 부분 배경
};
var config = {
displayModeBar: true,
responsive: true,
modeBarButtonsToRemove: ['lasso2d', 'autoScale2d', 'toggleSpikelines'], //plotly 기본 버튼 중 제거할 것 (선택하기)
displaylogo: false
};
console.log("그려봐" + JSON.stringify(data));
Plotly.newPlot(Graph, data, layout, config);
//Lasso Select , Produced with Plotly
Graph.on('plotly_selected', (eventData) => {
arrObj.xRange = eventData.range.x;
arrObj.yRange = eventData.range.y;
});
}
//행렬만들기 - 행렬 반환
const metrix = () => {
var x;
var xx;
var y;
for (var i = 0; i < arrObj.xmatrix.length; i++) {
arrObj.xmatrix[i] = new Array(3);
}
for (var j = 0; j < arrObj.T_xmatrix.length; j++) {
arrObj.T_xmatrix[j] = new Array(arrObj.xDatafitdata.length);
}
for (var i = 0; i < arrObj.yDatafitdata.length; i++) {
y = arrObj.yDatafitdata[i];
ymatrix[i] = [y];
}
for (var i = 0; i < arrObj.xDatafitdata.length; i++) {
x = arrObj.xDatafitdata[i];
xx = x * x;
arrObj.xmatrix[i] = [1, x, xx];
}
return arrObj.xmatrix;
};
//행렬 곱 구하기 - 곱한 결과 행렬 반환
function tarrXarr(tarr, arr) {
return tarr.map((row) => arr[0].map((x, y) => row.reduce((a, b, c) => a + b * arr[c][y], 0)))
}
//선형최소제곱 알고리즘 1차
const findLineByLeastSquares_1 = (values_x, values_y) => {
var x_sum = 0;
var y_sum = 0;
var xy_sum = 0;
var xx_sum = 0;
var count = 0;
var x = 0;
var y = 0;
var values_length = values_x.length;
if (values_length != values_y.length) {
throw new Error('values_x 및 values_y 매개 변수의 크기가 같아야합니다!');
}
if (values_length === 0) {
return [[], []];
}
for (let i = 0; i < values_length; i++) {
x = values_x[i];
y = values_y[i];
x_sum += x;
y_sum += y; //= Y
xx_sum += x * x;
xy_sum += x * y;
count++;
}
coeObj.a = (count * xy_sum - x_sum * y_sum) / (count * xx_sum - x_sum * x_sum);
coeObj.b = (y_sum / count) - (coeObj.a * x_sum) / count;
var result_values_x = [];
var result_values_y = [];
for (let i = 0; i < values_length; i++) {
x = values_x[i];
y = x * coeObj.a + coeObj.b;
result_values_x.push(x);
result_values_y.push(y);
}
return [result_values_x, result_values_y];
};
//선형최소제곱 알고리즘 2차
const findLineByLeastSquares_2 = (values_x, values_y) => {
var inverted, abc;//x좌표의 역행렬, 계수행렬
var Coe;//(A_t A)'(A_t)까지 한 것
var x, y;
metrix(); //arr 리턴
zip = rows => rows[0].map((_, c) => rows.map(row => row[c]))
arrObj.T_xmatrix = zip([...arrObj.xmatrix]) //전치된 행렬 t_arr
inverted = math.inv(tarrXarr(arrObj.T_xmatrix, arrObj.xmatrix)); //역행렬 구하기
Coe = tarrXarr(inverted, arrObj.T_xmatrix);
abc = tarrXarr(Coe, ymatrix); //이차함수 계수 행렬 abc
coeObj.a = abc[2][0];
coeObj.b = abc[1][0];
coeObj.c = abc[0][0];
if (values_x.length != values_y.length) {
throw new Error('values_x 및 values_y 매개 변수의 크기가 같아야합니다!');
}
if (values_x.length === 0) {
return [[], []];
}
//console.log("전 x:", values_x);
var result_values_x = [];
var result_values_y = [];
for (var i = 0; i < roof_type; i++) {
values_x = roof(values_x);
}
//console.log("후 x:", values_x);
for (let i = 0; i < values_x.length; i++) {
x = values_x[i];
y = x * x * coeObj.a + coeObj.b * x + coeObj.c;
result_values_x.push(x);
result_values_y.push(y);
}
return [result_values_x, result_values_y];
};
function roof(roofdata) {
var roofvalue = [];
var roof_result = [];
for (let i = 0; i < roofdata.length - 1; i++) {
var sum = roofdata[i] + roofdata[i + 1];
var squr = sum / 2;
roofvalue.push(squr);
}
roof_result = roofdata.concat(roofvalue);
roof_result.sort(function (a, b) {
return a - b; //오름차순 청렬
});
return roof_result;
}
//fitdatating그래프 띄우기
function fitting() {
var max_value, min_value;
var i_x_min = 0;
var i_x_max = 0;
while (coords.xcd[i_x_min] <= arrObj.xRange[0]) {
i_x_min++;
}
while (coords.xcd[i_x_max] <= arrObj.xRange[1]) {
i_x_max++;
}
min_value = i_x_min;
max_value = i_x_max;
arrObj.xDatafitdata = coords.xcd.slice(min_value, max_value); // 선택된 영역
arrObj.yDatafitdata = coords.ycd.slice(min_value, max_value); // 선택된 영역
// arr를 배열로 만들어주는 위치가 중요함.
//chartLabels_zoom이 값을 가진 후에 놓여야함.
arrObj.xmatrix = new Array(arrObj.xDatafitdata.length);//x좌표를 행렬로 받아올 변수
var fitdata_xy;
if (type == 1) {
fitdata_xy = findLineByLeastSquares_1(arrObj.xDatafitdata, arrObj.yDatafitdata); //선형피팅
}
else if (type == 2) {
arrObj.T_xmatrix = new Array(3);//전치행렬
fitdata_xy = findLineByLeastSquares_2(arrObj.xDatafitdata, arrObj.yDatafitdata); //곡선피팅
} else if (type == 0) {
alert('옵션을 선택해 주세요'); //옵션선택 안함 -> 경고창
}
getGraph(arrObj.xDatafitdata, arrObj.yDatafitdata, fitdata_xy[0], fitdata_xy[1], type);
arrphase = [];
arrperiod = [];
}
function reset() {
window.location.reload();
}