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line-multi-axis.html
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Created
Mon, Oct 21, 08:24
Size
3 KB
Mime Type
text/html
Expires
Wed, Oct 23, 08:24 (1 d, 22 h)
Engine
blob
Format
Raw Data
Handle
21836030
Attached To
R2664 SHRINE MedCo Fork
line-multi-axis.html
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<!doctype html>
<html>
<head>
<title>
Line Chart Multiple Axes
</title>
<script
src=
"../dist/Chart.bundle.js"
></script>
<script
src=
"http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"
></script>
<style>
canvas
{
-
moz
-
user
-
select
:
none
;
-
webkit
-
user
-
select
:
none
;
-
ms
-
user
-
select
:
none
;
}
</style>
</head>
<body>
<div
style=
"width:75%;"
>
<canvas
id=
"canvas"
></canvas>
</div>
<button
id=
"randomizeData"
>
Randomize Data
</button>
<script>
var
randomScalingFactor
=
function
()
{
return
Math
.
round
(
Math
.
random
()
*
100
*
(
Math
.
random
()
>
0.5
?
-
1
:
1
));
};
var
randomColor
=
function
(
opacity
)
{
return
'rgba('
+
Math
.
round
(
Math
.
random
()
*
255
)
+
','
+
Math
.
round
(
Math
.
random
()
*
255
)
+
','
+
Math
.
round
(
Math
.
random
()
*
255
)
+
','
+
(
opacity
||
'.3'
)
+
')'
;
};
var
lineChartData
=
{
labels
:
[
"January"
,
"February"
,
"March"
,
"April"
,
"May"
,
"June"
,
"July"
],
datasets
:
[{
label
:
"My First dataset"
,
data
:
[
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
()],
yAxisID
:
"y-axis-1"
,
},
{
label
:
"My Second dataset"
,
data
:
[
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
()],
yAxisID
:
"y-axis-2"
}]
};
$
.
each
(
lineChartData
.
datasets
,
function
(
i
,
dataset
)
{
dataset
.
borderColor
=
randomColor
(
0.4
);
dataset
.
backgroundColor
=
randomColor
(
1
);
dataset
.
pointBorderColor
=
randomColor
(
0.7
);
dataset
.
pointBackgroundColor
=
randomColor
(
0.5
);
dataset
.
pointBorderWidth
=
1
;
});
window
.
onload
=
function
()
{
var
ctx
=
document
.
getElementById
(
"canvas"
).
getContext
(
"2d"
);
window
.
myLine
=
Chart
.
Line
(
ctx
,
{
data
:
lineChartData
,
options
:
{
responsive
:
true
,
hoverMode
:
'label'
,
stacked
:
false
,
title
:
{
display
:
true
,
text
:
'Chart.js Line Chart - Multi Axis'
},
scales
:
{
xAxes
:
[{
display
:
true
,
gridLines
:
{
offsetGridLines
:
false
}
}],
yAxes
:
[{
type
:
"linear"
,
// only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
display
:
true
,
position
:
"left"
,
id
:
"y-axis-1"
,
},
{
type
:
"linear"
,
// only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
display
:
true
,
position
:
"right"
,
id
:
"y-axis-2"
,
// grid line settings
gridLines
:
{
drawOnChartArea
:
false
,
// only want the grid lines for one axis to show up
},
}],
}
}
});
};
$
(
'#randomizeData'
).
click
(
function
()
{
lineChartData
.
datasets
[
0
].
data
=
[
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
()];
lineChartData
.
datasets
[
1
].
data
=
[
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
(),
randomScalingFactor
()];
window
.
myLine
.
update
();
});
</script>
</body>
</html>
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