I'm having trouble on reload chart with updated details, I'm showing graph based on user activity on daily basis, on initial load with preset values the graph is formed precisely
Here I'm using flot chart library, in that flot chart library I'm using line graph
This is initial graph
But when I use custom values instead of loading a new graph with updated values, the custom values is get appended to the right end of x-axis on the graph.
When I use the custom values, the graph looks like,
In second graph, the included data will added to its old data at right side instead of showing it in correct order
here is my code for first graph, input data in vm.allsessionReport
input data will get by programmatic
vm.allSessionReport = [];
vm.sessionData = [{
"color": "#7dc7df",
"data": vm.allSessionReport
}];
vm.allSessionReport = [
["2017-06-30", 0],
["2017-07-01", 0],
["2017-07-02", 0],
["2017-07-03", 0],
["2017-07-04", 17],
["2017-07-05", 0],
["2017-07-06", 0],
["2017-07-07", 0]
]
vm.sessionData = [{
"color": "#7dc7df",
"data": vm.allSessionReport
}];
console.log('session data 2nd', vm.sessionData)
vm.sessionOptions = {
series: {
lines: {
show: true,
fill: 0.01
},
points: {
show: true,
radius: 4
}
},
grid: {
borderColor: '#eee',
borderWidth: 1,
hoverable: true,
backgroundColor: '#fcfcfc'
},
tooltip: true,
tooltipOpts: {
content: function (label, x, y) { return x + ' : ' + y; }
},
xaxis: {
position: ($scope.app.layout.isRTL ? 'top' : 'bottom'),
tickColor: '#eee',
mode: 'categories'
},
yaxis: {
position: ($scope.app.layout.isRTL ? 'right' : 'left'),
tickColor: '#eee'
},
shadowSize: 0
};
code for my second graph, input data has changed to
vm.allSessionReport = [];
vm.sessionData = [{
"color": "#7dc7df",
"data": vm.allSessionReport
}];
vm.allSessionReport = [
["2017-06-28", 0],
["2017-06-29", 0],
["2017-06-30", 0],
["2017-07-01", 0],
["2017-07-02", 0],
["2017-07-03", 0],
["2017-07-04", 17],
["2017-07-05", 0],
["2017-07-06", 0],
["2017-07-07", 0]
]
vm.sessionData = [{
"color": "#7dc7df",
"data": vm.allSessionReport
}];
console.log('session data 2nd', vm.sessionData)
vm.sessionOptions = {
series: {
lines: {
show: true,
fill: 0.01
},
points: {
show: true,
radius: 4
}
},
grid: {
borderColor: '#eee',
borderWidth: 1,
hoverable: true,
backgroundColor: '#fcfcfc'
},
tooltip: true,
tooltipOpts: {
content: function (label, x, y) { return x + ' : ' + y; }
},
xaxis: {
position: ($scope.app.layout.isRTL ? 'top' : 'bottom'),
tickColor: '#eee',
mode: 'categories'
},
yaxis: {
position: ($scope.app.layout.isRTL ? 'right' : 'left'),
tickColor: '#eee'
},
shadowSize: 0
};
Related
I use a flotcharts JS linechart to display the value of different stock tradepositions. The user can show/hide each trade on the chart via a checkbox above the chart.
By default, linecharts use default or predefined colors from me in the order the series are created. So the first line gets color1, the second color 2 etc.
This is not very good for this situation, because when the user hides the line for trade one, the previously trade two becomes the new "first line" and also changes its color from color 2 to color 1.
As the data represented by the line are still the same this behaviour is very irritating.
To solve this I would like to assign a color to a series by it's name, id or similar rather than by the order it was created on the chart, as this identifier stays the same even after adding/removing other lines from the chart.
How can I do this?
Currently I use a code like this to set the color for the first, second etc line.
var datatoprint=[];
for(var key in arrTradeSymbols){
if (arrTradeSymbols[key].visible==true){
datatoprint.push(arrTradeSymbols[key].data);
jQuery("#symb_"+arrTradeSymbols[key].tradeid).prop("checked",true);
}
}
var plot = $.plot(jQuery("#kt_flotcharts_pl"), datatoprint, {
legend: {
position: "nw",
},
series: {
lines: {
show: true,
lineWidth: 2,
fill: false,
},
points: {
show: true,
radius: 3,
lineWidth: 1,
color: '#00ff00'
},
shadowSize: 2
},
grid: {
hoverable: true,
clickable: true,
tickColor: "#eee",
borderColor: "#eee",
borderWidth: 1
},
colors: ['#0083d0', '#1dc9b7'],
xaxis: {
mode: "time",
tickSize: [5, "day"],
tickLength: 0,
tickColor: "#eee",
},
yaxis: {
ticks: 11,
tickDecimals: 0,
tickColor: "#eee",
}
});
That's easy: just supply an array of objects with the color along with the data instead of only the data as an array.
Example snippet:
var arrTradeSymbols = {
trade1: {
color: "red",
data: [
[1, 3],
[2, 4],
[3.5, 3.14]
]
},
trade2: {
color: "green",
data: [
[1, 4],
[2, 11.01],
[3.5, 5.14]
]
}
};
function run() {
var datatoprint = [];
for (var key in arrTradeSymbols) {
if ($("#" + key).is(":checked")) {
datatoprint.push(arrTradeSymbols[key]);
}
}
$.plot($("#kt_flotcharts_pl"), datatoprint, {
legend: {
position: "nw",
},
series: {
lines: {
show: true,
lineWidth: 2,
fill: false
},
points: {
show: true,
radius: 3,
lineWidth: 1
},
shadowSize: 2
},
grid: {
hoverable: true,
clickable: true,
tickColor: "#eee",
borderColor: "#eee",
borderWidth: 1
},
xaxis: {
ticks: 5
},
yaxis: {
ticks: 11,
tickDecimals: 0,
tickColor: "#eee",
}
});
}
run();
$("input").on("input", run);
#kt_flotcharts_pl {
width: 400px;
height: 200px;
border: 1px solid black;
}
label {
cursor: pointer;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/flot/0.8.2/jquery.flot.min.js"></script>
<label><input type="checkbox" id="trade1" checked> Red</label>
<label><input type="checkbox" id="trade2" checked> Green</label>
<div id="kt_flotcharts_pl"></div>
I have a similar problem like posted on highchart chart redraw method is not refreshing the chart but I am working with polar chart, so the solution given there is not solving my issue.
So, the code below is showing the highchart correctly, but doesn't refreshing data. Now I'm asking for advice/help how to solve it.
$(function() {
$.getJSON('wind_graph.php?callback=?', function(dataWind) {
var direction = Wind_direction;
var polarOptions = {
chart: {
polar: true,
events : {
load : function () {
setInterval(function(){
RefreshDataWind();
}, 1000);
}
}
},
title: {
text: 'Wind Direction'
},
pane: {
startAngle: 0,
},
tooltip: {
enabled: false
},
legend: {
enabled: false
},
// the value axis
xAxis: {
tickInterval: 15,
min: 0,
max: 360,
labels: {
formatter: function() {
return this.value + '°';
}
}
},
plotOptions: {
series: {
pointStart: 0,
pointInterval: 30,
marker: {
enabled: false
},
},
}
};
// The polar chart
$('#graph-1').highcharts(Highcharts.merge(polarOptions, {
yAxis: {
tickInterval: 5,
min: 0,
max: 25,
visible: false
},
credits: {
enabled: false
},
series: [{
type: 'line',
name: 'Direction',
data: [
[0, 0],
[direction, 20]
],
lineColor: '#7cb5ec',
enableMouseTracking: false,
visible: true,
lineWidth: 2,
zIndex: 8,
}
]
}));
function RefreshDataWind()
{
var chart = $('#graph-1').highcharts();
$.getJSON('wind_graph.php?callback=?', function(dataWind)
{
var direction = Wind_direction;
chart.redraw();
});
chart.redraw();
}
});
});
To be more precise: if given Wind_direction value is equal to 0 (zero), then I need to display on chart the following "spline":
{
type: 'spline',
name: 'CentralCicrleCalmWind1',
data: [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2],
pointInterval: 30,
pointStart: 0,
lineColor: windLineColor,
enableMouseTracking: false,
lineWidth: windLineWidth,
visible: showCentralCicrleCalmWind,
}, {
type: 'spline',
name: 'CentralCicrleCalmWind2',
data: [2.5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5],
pointInterval: 30,
pointStart: 0,
lineColor: windLineColor,
enableMouseTracking: false,
lineWidth: windLineWidth,
visible: showCentralCicrleCalmWind,
}
So as You can see, I have additional parameters like "showCentralCircleCalmWind" set to TRUE or FALSE depends on the given "Wind_direction" value and logic for this I have prepared at top of my code (not pasted here).
The thing what I need is:
Read value of variable in given JSON
Set variable "direction" at the begining of javascript code
Display the chart using higcharts library
Read the new value from JSON
Change the variable "direction" to the new value.
Display the new chart for a given value
Back to the point number 4...
Your problem may be helped by using the setData() function (see http://api.highcharts.com/highcharts/Series.setData).
In your example, I'd suggest the following:
function RefreshDataWind()
{
var chart = $('#graph-1').highcharts();
$.getJSON('wind_graph.php?callback=?', function(dataWind)
{
var direction = Wind_direction;
chart.series[0].setData(direction);
/* assuming "direction" to be an array like [1, 2, 3] */
});
}
The following Highcharts demo shows you how this works: http://jsfiddle.net/gh/get/library/pure/highcharts/highcharts/tree/master/samples/highcharts/members/series-setdata/
Depending on the format of your "Wind_direction" variable, you may need to have a statement before setData() that explicitly makes it an array, since that's what the function is expecting.
I'd also suggest you remove the second instance of chart.redraw(), as the setData() makes that unnecessary.
I hope this is helpful for you!
Thanks in advance for your time.
I have the following code for a Flot Chart
<script src="js/plugins/flot/jquery.flot.js"></script>
<script src="js/plugins/flot/jquery.flot.tooltip.min.js"></script>
<script src="js/plugins/flot/jquery.flot.spline.js"></script>
<script src="js/plugins/flot/jquery.flot.resize.js"></script>
<script src="js/plugins/flot/jquery.flot.categories.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$(function() {
var data = [{
"label": "Commission",
"color": "#1ab394",
"data": [["Oct", ],["Nov", ],["Dec", ],["Jan", ],["Feb", ],["Mar", ],["Apr", ],["May", 14],["Jun", 0],["Jul", 5],["Aug", 12],["Sep", 7]]
}, {
"label": "EPL",
"color": "#1C84C6",
"data": [["Oct", 0],["Nov", 0],["Dec", 0],["Jan", 0],["Feb", 0],["Mar", 0],["Apr", 0],["May", 1.75],["Jun", 0.00],["Jul", 0.17],["Aug", 0.39],["Sep", 0.35]]
}];
var options = {
series: {
lines: {
show: false,
fill: true
},
splines: {
show: true,
tension: 0.4,
lineWidth: 1,
fill: 0.4
},
points: {
radius: 0,
show: true
},
shadowSize: 2
},
grid: {
borderColor: '#eee',
borderWidth: 1,
hoverable: true,
backgroundColor: '#fff'
},
tooltip: true,
tooltipOpts: {
content: function (label, x, y) { return x + ' : ' + y; }
},
xaxis: {
tickColor: '#eee',
mode: 'categories'
},
yaxis: {
tickColor: '#eee'
},
shadowSize: 0
};
var chart = $('.dashchart');
if(chart.length)
$.plot(chart, data, options);
});
})(window, document, window.jQuery);
</script>
The docs state...
By default, the labels are ordered as they are met in the data series.
If you need a different ordering, you can specify "categories" on the
axis options and list the categories there:
https://code.google.com/p/flot/source/browse/trunk/jquery.flot.categories.js?r=341
However the x axis ordering is not the same as the data series, as seen in the screenshot below
Any idea why this may be.
I figured this out. Hope it helps someone some day
Seems Flot doesnt like empty values in the data series
"data": [["Oct", ],["Nov", ],["Dec", ],["Jan", ],["Feb", ],["Mar", ],["Apr", ],["May", 14],["Jun", 0],["Jul", 5],["Aug", 12],["Sep", 7]]
changed to this and it works fine
"data": [["Oct", 0],["Nov", 0],["Dec", 0],["Jan", 0],["Feb", 0],["Mar", ]0,["Apr", 0],["May", 14],["Jun", 0],["Jul", 5],["Aug", 12],["Sep", 7]]
I have a chart with ordering by date.
My problem is the chart lines joining false from start to end.
My options:
var options =
{
grid:
{
color: "#dedede",
borderWidth: 1,
borderColor: "transparent",
clickable: true,
hoverable: true
},
series: {
grow: {active:false},
lines: {
show: true,
fill: false,
lineWidth: 2,
steps: false
},
points: {
show:true,
radius: 5,
lineWidth: 3,
fill: true,
fillColor: "#000"
}
},
legend: { position: "nw", backgroundColor: null, backgroundOpacity: 0, noColumns: 2 },
yaxis: { tickSize:50 },
xaxis: {
mode: "time",
tickFormatter: function(val, axis) {
var d = new Date(val);
return d.getUTCDate() + "/" + (d.getUTCMonth() + 1);
}
},
colors: [],
shadowSize:1,
tooltip: true,
tooltipOpts: {
content: "%s : %y.0",
shifts: {
x: -30,
y: -50
},
defaultTheme: false
}
};
Note: I'm not re-ordering any data. Just giving the timestamp with this function:
function gd(year, month, day) {
return new Date(year, month - 1, day).getTime();
}
Setting the data like this:
$.each(e.data, function(i, e){
data.push([gd(parseInt(e['year']), parseInt(e['month']), parseInt(e['day'])), parseInt(e['value'])]);
});
var entity = {
label: e.campaign,
data: data,
lines: {fillColor: randomColor},
points: {fillColor: randomColor}
};
entities.push(entity);
Console log:
When creating line charts, flot will connect the data points using the order from the data series, ignoring the actual x-coordinates. That's why data series should be in ascending order.
A minimal example (using your data in ascending order):
var d1 = [
[1401310800000, 275],
[1401397200000, 270],
[1401483600000, 313],
[1401570000000, 279],
[1401656400000, 216],
[1401742800000, 255],
[1401829200000, 244],
[1401915600000, 70]
];
$.plot("#chart", [ d1 ]);
Here is a jsfiddle showing the chart.
I am hoping someone out there can tell me if what I am trying to do is even possible with the FLOT Javascript library. I am trying to show a chart (below) with dual axis and three data sets. One data set is on the left axis and two data sets on the right axis. What I really want to be able to do is stack the two data sets on the right axis since they should show cumulatively. Thus far I have been unable to get this chart to respond to the stack: true setting at all.
If anyone could help me out with it I would GREATLY appreciate it. My code and a snapshot of the chart currently. I am trying to stack the blue and green areas which correspond to the right axis (y2).
$(function () {
var previousPoint;
var completes = [[1346954400000, 5], [1346997600000, 5], [1347040800000, 7], [1347084000000, 9], [1347127200000, 12], [1347170400000, 15], [1347213600000, 16], [1347256800000, 20], [1347300000000, 20], [1347343200000, 20], [1347386400000, 25]];
var holds = [[1346954400000, 2], [1346997600000, 2], [1347040800000, 6], [1347084000000, 12], [1347127200000, 12], [1347170400000, 15], [1347213600000, 24], [1347256800000, 24], [1347300000000, 24], [1347343200000, 24], [1347386400000, 25]];
var screeners = [[1346954400000, 10298], [1346997600000, 7624], [1347040800000, 5499], [1347084000000, 2100], [1347127200000, 8075], [1347170400000, 4298], [1347213600000, 1134], [1347256800000, 507], [1347300000000, 0], [1347343200000, 800], [1347386400000, 120]];
var ds = new Array();
ds.push({
data:completes,
label: "Complete",
yaxis: 2,
lines: {
show: true,
fill: true,
order: 2,
}
});
ds.push({
data:screeners,
label: "Pre-Screened",
yaxis: 1,
lines: {
show: true,
fill: true,
order: 1,
}
});
ds.push({
data:holds,
label: "Holds",
yaxis: 2,
lines: {
show: true,
fill: true,
order: 3,
}
});
//tooltip function
function showTooltip(x, y, contents, areAbsoluteXY) {
var rootElt = 'body';
$('<div id="tooltip2" class="tooltip">' + contents + '</div>').css( {
position: 'absolute',
display: 'none',
top: y - 35,
left: x - 5,
border: '1px solid #000',
padding: '1px 5px',
'z-index': '9999',
'background-color': '#202020',
'color': '#fff',
'font-size': '11px',
opacity: 0.8
}).prependTo(rootElt).show();
}
//Display graph
$.plot($("#placeholder1"), ds, {
grid:{
hoverable:true
},
xaxes: [ { mode: 'time', twelveHourClock: true, timeformat: "%m/%d %H:%M" } ],
yaxes: [ { min: 0,
tickFormatter: function numberWithCommas(x)
{
return x.toString().replace(/\B(?=(?:\d{3})+(?!\d))/g, ",");
},
}
],
y2axis: [ ],
legend: { show: true }
});
});
This is very straightforward. The stacking plugin isn't well documented, but in the source code, you can see there are two ways to specify that you want stacking turned on.
Two or more series are stacked when their "stack" attribute is set to
the same key (which can be any number or string or just "true"). To
specify the default stack, you can set
series: {
stack: null or true or key (number/string) }
or specify it for a specific series
$.plot($("#placeholder"), [{ data: [ ... ], stack: true }])
In this case, we want to specify it within the two series objects that we want stacked, which would look like this:
ds.push({
data:completes,
label: "Complete",
yaxis: 2,
stack: true, //added
lines: {
show: true,
fill: true,
order: 2,
}
});
ds.push({
data:screeners,
label: "Pre-Screened",
yaxis: 1,
lines: {
show: true,
fill: true,
order: 1,
}
});
ds.push({
data:holds,
label: "Holds",
yaxis: 2,
stack: true, //added
lines: {
show: true,
fill: true,
order: 3,
}
});
Add those two stack:true bits and include the stack plugin into your javascript sources and that will do it. See it in action here: http://jsfiddle.net/ryleyb/zNXBd/