-
Notifications
You must be signed in to change notification settings - Fork 32
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
ensure points/lines are removed when changing modes
- Loading branch information
Showing
3 changed files
with
97 additions
and
4 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,17 @@ | ||
<!DOCTYPE html> | ||
<html> | ||
<head> | ||
<script src='../js/require.js' data-main='js/chart'></script> | ||
<style> | ||
svg { | ||
width: 700px; | ||
height: 300px; | ||
border: 1px solid #999; | ||
margin: 3em; | ||
} | ||
</style> | ||
</head> | ||
<body> | ||
<svg></svg> | ||
</body> | ||
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,72 @@ | ||
requirejs.config({ | ||
'baseUrl': '../../js' | ||
}); | ||
|
||
define(['d3', 'wq/chart'], | ||
function(d3, chart) { | ||
|
||
var plot = chart.scatter(); | ||
|
||
// Initialize dataset | ||
var data = []; | ||
_newDataset(); | ||
data[0].list.push({ | ||
'x': 0, | ||
'y': Math.random() * 100 | ||
}); | ||
|
||
// Main loop | ||
setInterval(_update, 100); | ||
function _update() { | ||
if (Math.random() > 0.97 && data.length < 12) { | ||
_newDataset(); | ||
} | ||
if (Math.random() > 0.99) { | ||
_sliceDataset(); | ||
} | ||
_newPoint(); | ||
plot.xscale({ | ||
'xmin': data[0].list[0].x, | ||
'xmax': data[0].list[0].x, | ||
'auto': true | ||
}); | ||
d3.select('svg').datum(data).call(plot); | ||
} | ||
|
||
// Add new dataset to array | ||
function _newDataset() { | ||
data.push({ | ||
'id': 'data' + data.length, | ||
'label': 'Dataset ' + (data.length + 1), | ||
'yunits': 'Unit' + (data.length % 2 + 1), | ||
'list': [] | ||
}); | ||
} | ||
|
||
// Add point to all datasets (test switch from points to lines) | ||
function _newPoint() { | ||
data.forEach(function(ds) { | ||
var y, last; | ||
if (ds.list.length) { | ||
last = ds.list[ds.list.length - 1]; | ||
y = last.y - 5 + Math.random() * 10; | ||
} else { | ||
last = data[0].list[data[0].list.length - 1]; | ||
y = Math.random() * 100 * (data.length % 2 + 1); | ||
} | ||
ds.list.push({ | ||
'x': last.x + 1, | ||
'y': y | ||
}); | ||
}); | ||
} | ||
|
||
// Truncate a dataset (test switch from lines back to points) | ||
function _sliceDataset() { | ||
var ds = data[Math.floor(Math.random() * data.length)]; | ||
if (ds.list.length > 50) { | ||
ds.list = ds.list.slice(ds.list.length-1); | ||
} | ||
} | ||
|
||
}); |