<https://lh4.googleusercontent.com/-id8abOyHQ2Y/U2pPNzQSEaI/AAAAAAAAAQc/LABeonEm4nQ/s1600/april_duplicate_date.png>
This is what my current output looks like with the current code above. Can
someone please, provide any guide into how can i change the distribution of
the data points on the x-axis.
Many thanks.
On Wednesday, May 7, 2014 4:04:02 PM UTC+1, Missy wrote:
>
> I am using data points which all have the same date for the column [1] and
> I would like the line chart to spread out the points for the duplicate
> dates instead of showing one straight line on the line chart.
>
> I have also added a dateFormatter which converts the date to string and
> then aims to show them on the x-axis as discretely. However, I am little
> unsure, why is this not impacting the result.
>
> Here is my current code:
>
> function drawVisualization(dataValues, chartTitle, columnNames,
> categoryCaption) {
> if (dataValues.length < 1)
> return;
>
> var data = new google.visualization.DataTable();
> data.addColumn('string', columnNames.split(',')[0]);
> data.addColumn('number', columnNames.split(',')[1]);
> data.addColumn('string', columnNames.split(',')[2]);
> data.addColumn('datetime', columnNames.split(',')[3]);
>
> for (var i = 0; i < dataValues.length; i++) {
>
> var date = new Date(parseInt(dataValues[i].Date.substr(6),
> 10));
>
> data.addRow([dataValues[i].ColumnName,
> dataValues[i].Value, dataValues[i].Type, date]);
> }
>
> var line = new google.visualization.ChartWrapper({
> 'chartType': 'LineChart',
> 'containerId': 'PieChartContainer',
> 'options': {
> 'width': 950,
> 'height': 450,
> 'legend': 'right',
> 'hAxis': {
> 'format': "dd-MM-yyyy",
> 'hAxis.maxValue': 'viewWindow.max',
> 'maxValue': new Date(2014, 05, 30), 'minValue':
> new Date(2014, 04, 05),
> 'viewWindow': { 'max': new Date(2014, 05, 30) },
> },
> 'title': chartTitle,
> 'chartArea': { 'left': 100, 'top': 100, 'right': 0,
> 'bottom': 100 },
> 'tooltip': { isHtml: true }
> },
> 'view': {
> 'columns': [3, 1, {
> type: 'string',
> role: 'tooltip',
> calc: function (dt, row) {
> return 'Name: ' + dt.getValue(row, 0) + ',
> Decimal Price: ' + +dt.getValue(row, 1) + ', Date: ' +
> +dt.getFormattedValue(row, 3);
> }
> }]
> }
> });
>
> var dateFormatter = new google.visualization.DateFormat({
> pattern: 'dd MM yyyy' });
> var view = new google.visualization.DataView(data);
> view.setColumns([{
> type: 'string',
> label: data.getColumnLabel(3),
> calc: function (dt, row) {
> var date = new Date(parseInt(dt.getValue(row, 3)));
> return dateFormatter.formatValue(date);
> }
> }, 1]);
>
> new
> google.visualization.Dashboard(document.getElementById('LineChartExample')).bind([categoryPicker],
>
> [line]).draw(data);
> }
>
> Please advice, Many thanks for your time and help.
>
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