resolve the histogram over range problem and modify the height of grid

frontend/src/histogram/ui/chart.san

@@ -17,7 +17,7 @@ import Icon from 'san-mui/Icon';
 
 // libs
 import echarts from 'echarts';
-import {min, max} from 'lodash';
+import {maxBy} from 'lodash';
 import {originDataToChartData} from '../histogramHelper';
 import {format, precisionRound} from 'd3-format';
 
@@ -28,7 +28,7 @@ const highlightLineColor = '#2f4554';
 const defaultLineColor = '#d14a61';
 const lineWidth = 1;
 // the time to refresh chart data
-const intervalTime = 5;
+const intervalTime = 15;
 
 const p = Math.max(0, precisionRound(0.01, 1.01) - 1);
 const yValueFormat = format('.' + p + 'e');
@@ -88,6 +88,9 @@ export default {
 
  initChartOption() {
  this.myChart.clear();
+
+// var ob = this.myChart.getOption();
+
  let data = this.data.get('originData');
  let visData = originDataToChartData(data);
  let tagInfo = this.data.get('tagInfo');
@@ -99,9 +102,9 @@ export default {
  setChartOptions(visData, tag, chartType) {
  let grid = {
  left: '15%',
- top: '20%',
+ top: '15%',
  right: '10%',
- bottom: '20%'
+ bottom: '8%'
  };
 
  let title = {
@@ -181,8 +184,10 @@ export default {
  let ecChart = this.myChart;
  let maxStep = -Infinity;
  let minStep = Infinity;
- grid.top = '50%';
- chartData.forEach(dataItem => {
+ grid.top = '42%';
+ grid.left = '4%';
+ grid.right = '15%';
+ chartData.forEach((dataItem) => {
  let lineData = [];
  maxStep = Math.max(dataItem.step, maxStep);
  minStep = Math.min(dataItem.step, minStep);
@@ -193,19 +198,20 @@ export default {
  });
  rawData.push(lineData);
  });
- // Max height in z axis.
- let Z_HEIGHT = 200;
+
+ // Max point in every polygon.
+ // let maxValuePoints = [];
  let option = {
  title,
- color: ['#008c99'],
+ color: ['#006069'],
  visualMap: {
  type: 'continuous',
  show: false,
  min: minStep,
  max: maxStep,
  dimension: 1,
  inRange: {
- colorLightness: [0.3, 0.7]
+ colorLightness: [0.2, 0.4]
  }
  },
  xAxis: {
@@ -236,7 +242,8 @@ export default {
  let points = makePolyPoints(
  params.dataIndex,
  api.value,
- api.coord
+ api.coord,
+ params.coordSys.y - 5
  );
  return {
  type: 'polygon',
@@ -251,36 +258,47 @@ export default {
  };
  },
  data: rawData
- }]
+ }
+ // {
+ // type: 'custom',
+ // dimension: ['x', 'y'],
+ // renderItem: function (params, api) {
+
+
+ // },
+ // data: rawData
+ // }
+ ]
  };
 
- function makePolyPoints(dataIndex, getValue, getCoord) {
+ function makePolyPoints(dataIndex, getValue, getCoord, yValueMapHeight) {
  let points = [];
  for (let i = 0; i < rawData[dataIndex].length;) {
  let x = getValue(i++);
  let y = getValue(i++);
  let z = getValue(i++);
- points.push(getPoint(x, y, z, getCoord));
+ points.push(getPoint(x, y, z, getCoord, yValueMapHeight));
  }
  return points;
  }
 
- function getPoint(x, y, z, getCoord) {
+ function getPoint(x, y, z, getCoord, yValueMapHeight) {
  let pt = getCoord([x, y]);
  // linear map in z axis
- pt[1] -= (z - minZ) / (maxZ - minZ) * Z_HEIGHT;
+ pt[1] -= (z - minZ) / (maxZ - minZ) * yValueMapHeight;
  return pt;
  }
 
  let hoverLine;
+ let maxLine;
  let hoverDots = [];
  let tooltip;
  let tooltipX;
  let tooltipY;
 
  let zr = ecChart.getZr();
 
- function removeTooltip() {
+ function removeTooltip(){
  if (hoverLine) {
  zr.remove(hoverLine);
  zr.remove(tooltip);
@@ -293,13 +311,13 @@ export default {
 
  zr.on('mouseout', e => {
  removeTooltip();
- });
+ }); 
 
  zr.on('mousemove', e => {
  removeTooltip();
  let nearestIndex = findNearestValue(e.offsetX, e.offsetY);
  if (nearestIndex) {
- let getCoord = function (pt) {
+ let getCoord = function(pt) {
  return ecChart.convertToPixel('grid', pt);
  };
  let linePoints = makePolyPoints(
@@ -316,7 +334,7 @@ export default {
  points: linePoints
  },
  style: {
- stroke: '#9b9a9a',
+ stroke: '#5c5c5c',
  lineWidth: 2
  },
  z: 999
@@ -388,7 +406,7 @@ export default {
 
  tooltipY = new echarts.graphic.Text({
  position: [
- gridRect.x + gridRect.width,
+ gridRect.x + gridRect.width, 
  linePoints[linePoints.length - 1][1]
  ],
  style: {

frontend/src/scalars/ui/chart.san

@@ -45,7 +45,7 @@ const lineWidth = 1.5;
 const minQuantile = 0.05;
 const maxQuantile = 0.95;
 // the time to refresh chart data
-const intervalTime = 30;
+const intervalTime = 15;
 
 export default {