You can use the set() method to add dataseries, or use the more convenient add() method to add data point and chart label information to the chart. The set() method accepts the data source, x and y range of the data, data type, axis range of axis object and more. To interactively manipulate a chart using the arrow key or mouse button, the plot object must be created using set(). My $chart = Chart::Gnuplot->new(‘chart_name’) (The dataset-name contains a small – character.) The gnuplot figure command line will be used, and datasets can be created by chart name. The most simple use of Chart::Gnuplot is illustrated below.
– x3label= is for setting the label of the y axis when x-axis values are even. – y2label= is for setting the label of the y axis when x-axis values are odd. – x2label= is for setting the label of the y axis when x-axis values are odd. – ycolor= is for setting the color of the y-axis. – xcolor= is for setting the color of the x-axis. – ylabel= is for setting the label of the y-axis.
– xlabel= is for setting the label of the x-axis. For example: “1:4” stands for 0:25 (the value of the x-axis is multiplied by four). – yscale= is for scaling the value of y-axis. – xscale= is for scaling the value of x-axis. – height is for limiting the height of the output line. – width is for limiting the width of the output line. – escape is to control whether to escape the string Chart Title: If you want to give the chart a title, create the title object first, then set the title to the chart object.
The from_int can be an integer of the x-axis and y-axis for setting the data from the chart.Ģ. The from_fraction can be a fraction of the x-axis and y-axis for setting the data from the chart. (example: $chart_data_source = DataSource::SQLite->new(‘/file/location/data.sqlite3’) ) It can be converted from DataSource::SQLite by specifying the database type. The source can be a file name.įile name of the data source is required and shall be in the PostgreSQL database. You can also get the data from the chart’s internal data source. The source is used for get the data from outside. DataSource of the Chart: You need to provide three methods: source, from_fraction, from_int.
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