It's best I explain this by example, using the pens code as a basis
from the AJAX API. Specifically, by setting all the data points of
the "Sold Pencils" line to zero, and asking for a "allfixed" scaleType
and a fill of 50, we can see that:
1) The *entire* graph is colored (filled) blue, rather than below any
of the lines.
2) *None* of the graph scales are displayed properly.
I believe this is a bug, specifically in instances where an entire
dataset for a column is zero.
Here's the code to reproduce:
function drawVisualization() {
var data = new google.visualization.DataTable();
data.addColumn('date', 'Date');
data.addColumn('number', 'Sold Pencils');
data.addColumn('string', 'title1');
data.addColumn('string', 'text1');
data.addColumn('number', 'Sold Pens');
data.addColumn('string', 'title2');
data.addColumn('string', 'text2');
data.addRows(6);
data.setValue(0, 0, new Date(2008, 1 ,1));
data.setValue(0, 1, 0);
data.setValue(0, 4, 40645);
data.setValue(1, 0, new Date(2008, 1 ,2));
data.setValue(1, 1, 0);
data.setValue(1, 4, 20374);
data.setValue(2, 0, new Date(2008, 1 ,3));
data.setValue(2, 1, 0);
data.setValue(2, 4, 50766);
data.setValue(3, 0, new Date(2008, 1 ,4));
data.setValue(3, 1, 0);
data.setValue(3, 4, 14334);
data.setValue(3, 5, 'Out of Stock');
data.setValue(3, 6, 'Ran out of stock on pens at 4pm');
data.setValue(4, 0, new Date(2008, 1 ,5));
data.setValue(4, 1, 0);
data.setValue(4, 2, 'Bought Pens');
data.setValue(4, 3, 'Bought 200k pens');
data.setValue(4, 4, 66467);
data.setValue(5, 0, new Date(2008, 1 ,6));
data.setValue(5, 1, 0);
data.setValue(5, 4, 39463);
var annotatedtimeline = new google.visualization.AnnotatedTimeLine(
document.getElementById('visualization'));
annotatedtimeline.draw(data, {'displayAnnotations': true,
legendPosition: "newRow", scaleType: "allfixed", fill: 50,
scaleColumns: [0, 1], thickness: 2, colors: ["red", "orange"],
displayExactValues: true, allowHtml: true});
}
Please let me know how I can resolve this issue.
Thanks,
-- Darien
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