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Hide some graphic elements, c3js, without unloading data


Hide some graphic elements, c3js, without unloading data

By : nomove
Date : November 18 2020, 11:13 AM
I wish this helpful for you One easy solution is to use CSS display property for the chart svg elements like:-
http://jsfiddle.net/chetanbh/j9vx0dmg/
code :
var chart = c3.generate({
  data: {
    columns: [
        ['data1', 100, 200, 150, 300, 200],
        ['data2', 400, 500, 250, 700, 300],
    ]
  }
});
.c3-target-data2 {
    display: none;
}


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Unloading dll rxtx before exit to avoid jvm crashes or hide hs_err_pid.log files

Unloading dll rxtx before exit to avoid jvm crashes or hide hs_err_pid.log files


By : Harry
Date : March 29 2020, 07:55 AM
Hope this helps Solved my problem migrating from rxtx to jSSC: http://code.google.com/p/java-simple-serial-connector/
Now everything is working smooth! Integrated dlls into .jar for Windows, linux, mac and solaris with system auto-detection.
C3js and hide dots

C3js and hide dots


By : Russ Gould
Date : March 29 2020, 07:55 AM
it helps some times How can i hide dots in c3js when a point is plotted ? For example in this demo , See below example.
code :
var chart = c3.generate({
    data: {
        columns: [
            ['data1', 30, 200, 100, 400, 150, 250],
            ['data2', 50, 20, 10, 40, 15, 25]
        ]
    },
    point: {
        show: false
    }
});
C3js, Papaparse, Parse CSV to C3js

C3js, Papaparse, Parse CSV to C3js


By : IT-Wizard
Date : March 29 2020, 07:55 AM
wish help you to fix your issue So, with lots of insights from a friend we came to this. It seems to not be working on this snippet, but it does on jsfiddle, I may have misplaced something http://jsfiddle.net/Honzo_Nebro/mv6eomf4/3/
code :
function handleFileSelect(evt) {
  var file = evt.target.files[0];

  Papa.parse(file, {
    header: true,
    dynamicTyping: true,
    complete: function(results) {
      console.log(results.data);
      //Create an empty array and fill it with the headers
      var values = [];
      $.each(results.data[0], function(key, value) {
        values.push(key);
      });
      var chart = c3.generate({
        bindto: '#chart',
        size: {
          height: 359
        },
        data: {
          json: results.data,
          keys: {
            //assign the array to the value property
            value: values,
          },
          type: 'donut',
        },
        unload: true,
        legend: {
          postion: 'bottom',
        },
        tooltip: {
          format: {
            value: function(name, ratio, id, index) {
              ratio2 = ratio * 100;
              var text = name + ", (" + ratio2.toFixed(1) + "%)";
              return name;
            }
          }
        }
      });
    }
  });
}
<script src="https://rawgit.com/mholt/PapaParse/master/papaparse.min.js"></script>
<link href="https://rawgit.com/masayuki0812/c3/master/c3.css" rel="stylesheet"/>
<script src="https://rawgit.com/masayuki0812/c3/master/c3.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="file" id="csv-file" name="files" />
<div id="chart"></div>
google visualization API - Hide data column from graphic

google visualization API - Hide data column from graphic


By : Ran_Aka
Date : March 29 2020, 07:55 AM
around this issue Found this code, I was able to adapt it to a AreaChart. Hope it helps others..
http://jsfiddle.net/asgallant/6gz2Q/
code :
<div id="chart_div"></div>

<div id="creativeCommons" style="text-align: center; width: 400px;">
    <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-nc-sa/3.0/88x31.png" /></a><br /><span xmlns:dct="http://purl.org/dc/terms/" href="http://purl.org/dc/dcmitype/InteractiveResource" property="dct:title" rel="dct:type">Code to turn on or off data series by clicking on legend entries</span> by <span xmlns:cc="http://creativecommons.org/ns#" property="cc:attributionName">Andrew Gallant</span> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US">Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License</a>.
</div>

function drawChart() {
    var data = new google.visualization.DataTable();
    data.addColumn('number', 'X');
    data.addColumn('number', 'Y 1');
    data.addColumn({type: 'boolean', role: 'certainty'});
    data.addColumn('number', 'Y 2');
    data.addColumn({type: 'string', role: 'annotation'});
    data.addColumn({type: 'boolean', role: 'certainty'});
    data.addColumn('number', 'Y 3');
    data.addColumn({type: 'boolean', role: 'certainty'});

    // add random data
    var y1 = 50, y2 = 50, y3 = 50;
    for (var i = 0; i < 30; i++) {
        y1 += ~~(Math.random() * 5) * Math.pow(-1, ~~(Math.random() * 2));
        y2 += ~~(Math.random() * 5) * Math.pow(-1, ~~(Math.random() * 2));
        y3 += ~~(Math.random() * 5) * Math.pow(-1, ~~(Math.random() * 2));
        data.addRow([i, y1, (~~(Math.random() * 2) == 1), y2, y2.toString(), (~~(Math.random() * 2) == 1), y3, (~~(Math.random() * 2) == 1)]);
    }

// Instantiate and draw our chart, passing in some options.
var chart = new google.visualization.ChartWrapper({
    chartType: 'LineChart',
    containerId: 'chart_div',
    dataTable: data,
    options: {
        width: 600,
        height: 400
    }
});

// create columns array
var columns = [0];
/* the series map is an array of data series
 * "column" is the index of the data column to use for the series
 * "roleColumns" is an array of column indices corresponding to columns with roles that are associated with this data series
 * "display" is a boolean, set to true to make the series visible on the initial draw
 */
var seriesMap = [{
    column: 1,
    roleColumns: [2],
    display: true
}, {
    column: 3,
    roleColumns: [4, 5],
    display: true
}, {
    column: 6,
    roleColumns: [7],
    display: false
}];
var columnsMap = {};
var series = [];
for (var i = 0; i < seriesMap.length; i++) {
    var col = seriesMap[i].column;
    columnsMap[col] = i;
    // set the default series option
    series[i] = {};
    if (seriesMap[i].display) {
        // if the column is the domain column or in the default list, display the series
        columns.push(col);
    }
    else {
        // otherwise, hide it
        columns.push({
            label: data.getColumnLabel(col),
            type: data.getColumnType(col),
            sourceColumn: col,
            calc: function () {
                return null;
            }
        });
        // backup the default color (if set)
        if (typeof(series[i].color) !== 'undefined') {
            series[i].backupColor = series[i].color;
        }
        series[i].color = '#CCCCCC';
    }
    for (var j = 0; j < seriesMap[i].roleColumns.length; j++) {
        columns.push(seriesMap[i].roleColumns[j]);
    }
}

chart.setOption('series', series);

function showHideSeries () {
    var sel = chart.getChart().getSelection();
    // if selection length is 0, we deselected an element
    if (sel.length > 0) {
        // if row is undefined, we clicked on the legend
        if (sel[0].row == null) {
            var col = sel[0].column;
            if (typeof(columns[col]) == 'number') {
                var src = columns[col];

                // hide the data series
                columns[col] = {
                    label: data.getColumnLabel(src),
                    type: data.getColumnType(src),
                    sourceColumn: src,
                    calc: function () {
                        return null;
                    }
                };

                // grey out the legend entry
                series[columnsMap[src]].color = '#CCCCCC';
            }
            else {
                var src = columns[col].sourceColumn;

                // show the data series
                columns[col] = src;
                series[columnsMap[src]].color = null;
            }
            var view = chart.getView() || {};
            view.columns = columns;
            chart.setView(view);
            chart.draw();
        }
    }
}

google.visualization.events.addListener(chart, 'select', showHideSeries);

// create a view with the default columns
var view = {
    columns: columns
};
chart.draw();
}

google.load('visualization', '1', {packages: ['corechart'], callback: drawChart});
c3js Hide data after legend click and data update

c3js Hide data after legend click and data update


By : Javi
Date : March 29 2020, 07:55 AM
Hope that helps The issue seems to be the drawing logic of c3. But there is a workaround for this issue. Check the following code:
code :
setTimeout(function () {
    chart.load({
        unload : true,
        columns: [
            ['data1', 30, 200, 100, 400, 150, 250],
            ['data2', 130, 100, 140, 200, 150, 50]
        ],
        done : function() {
            // After chart is drawn, shown all the hidden legend.
            chart.show();
        }
    });
}, 4000);
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