Hello,
I have a couple of questions on the histogram chart, I attach an example
below.
The first question is about the legend. It seems to automatically include
"(count)". How can I remove that?
The second question is about coloring the latest event, in the chart below
it is the latest annual period. I colored it blue but had to use a stacked
chart approach where every value is 0 (so it does not appear) except at the
location in the distribution that equals the latest value, where I give it
a value sufficient that it is visible on the chart. I've also used a
stacked chart approach to color the negative / positive values red / green
respectively. This approach fouls up the values on the Y axis since it adds
stacked chart values only for the purpose of coloring.
Is there a better way to specify the color of the bars in the distribution?
I attach my code here:
function drawChart() {
var chartRoutine = 'chart_histogram_annual';
var elementID = 'chart_histogram_annual';
var chartTitle = 'Distribution of Annual Returns'; // Title used in
pdf presentation
$.ajax({
url: "/emotomy/charts/chart_handler.php?chart=" + chartRoutine,
dataType:"json",
success: function (jsonData) {
var data = new google.visualization.DataTable(jsonData); //
Create our data table out of JSON data loaded from server.
var options = { // Set chart options
histogram: { lastBucketPercentile: 2, hideBucketItems:
'true'}, // compute bucket sizes ignoring the top and bottom X%
legend: {position: 'top', maxLines: 2 },
'hAxis': {textStyle: {fontSize:10, color:'black',
bold:'true'}, viewWindowMode: 'maximized'},
'vAxis': {textStyle: {fontSize:10, color:'black'}},
'fontName':'Trebuchet MS',
isStacked: true,
'colors': ['green', 'red', '#3366CC'],
interpolateNulls: false
};
var chart = new
google.visualization.Histogram(document.getElementById(elementID)); //
Instantiate chart
chart.draw(data, options); // draw chart, passing in some
options.
}
});
}
[image: Inline image 1]
On Tue, Mar 15, 2016 at 11:31 AM, 'Daniel LaLiberte' via Google
Visualization API <[email protected]> wrote:
> There is no automatic way other than what I suggested as a work around in
> https://jsfiddle.net/dlaliberte/99qd9pn2/. We need to make a change so
> something like this is done internally, but we have bigger plans
> for BubbleChart so this change will probably have to wait.
>
> On Tue, Mar 15, 2016 at 1:58 PM, Patrick Beaudan <[email protected]>
> wrote:
>
>> Hi Dan,
>>
>> Is there a way to ensure the bubble chart boundaries don't cut off the
>> bubbles? I attach a chart example as a png.
>> My code is as follows. Thanks very much!
>>
>>
>> google.load("visualization", "1", {packages:["corechart"]});
>> google.setOnLoadCallback(drawChart);
>> function drawChart() {
>> var jsonData = $.ajax({
>> url: "../../charts/chart_handler.php?chart=chart_bondRisk",
>> dataType:"json",
>> async: false
>> }).responseText;
>> var data = new google.visualization.DataTable(JSON.parse(jsonData)); //
>> Create our data table out of JSON data loaded from server.
>> var options = {
>> hAxis: {title: 'Current allocation to bonds', minValue:-10},
>> vAxis: {title: 'Loss', maxValue:2},
>> chartArea: {top:10, left:100},
>> legend: {textStyle: {fontSize: 11}},
>> tooltip: {textStyle: {color: '#000000', fontSize: 11, fontName:
>> "Trebuchet MS"}},
>> sizeAxis: {minSize:15, maxSize:30},
>> bubble: {textStyle: {fontSize: 11, fontName: "Trebuchet MS"}}
>> };
>>
>> var chart = new
>> google.visualization.BubbleChart(document.getElementById('chart'));
>> chart.draw(data, options);
>> // track user selection
>> google.visualization.events.addListener(chart, 'select', selectHandler);
>> function selectHandler() {
>> var selection = chart.getSelection(); // only 1 item selected at a
>> time with bubble charts
>> // strategy = '{row:' + selection[0].row + '}';
>> strategy = data.getValue(selection[0].row,3); // return symbol from
>> chart data table
>> // alert('Selected ' + strategy + ' as your champion portfolio?');
>> window.location.href = "chart_bondRisk.php?strategy=" + strategy; //
>> transfer to processing page
>> }
>> }
>>
>>
>>
>>
>>
>>
>>
>>
>> On Tuesday, March 8, 2016 at 4:33:30 PM UTC-8, asingular wrote:
>>>
>>> Hello all,
>>>
>>> I am using the first example on this page:
>>> https://developers.google.com/chart/interactive/docs/gallery/bubblechart#overview
>>> and it looks good. But I have one issue. I am using the following code to
>>> zoom.
>>> explorer: { actions: ['dragToZoom', 'rightClickToReset'] }
>>>
>>> The zoom function works as expected, but the bubble on the far right
>>> gets cut off on the top right side. That doesn't happen if I take out
>>> explorer:
>>> { actions: ['dragToZoom', 'rightClickToReset'] } .
>>>
>>> Anyone know how I can fix it without hAxis.maxValue and vAxis.maxValue?
>>> That is not an option since the data is too dynamic.
>>>
>>> thanks,
>>> Joe
>>>
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>
>
>
> --
> Daniel LaLiberte <https://plus.google.com/100631381223468223275?prsrc=2>
> [email protected] <[email protected]> 5CC, Cambridge MA
>
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--
Best Regards,
Patrick Beaudan
(415) 839-5239
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