Package Usage: go: github.com/vdobler/chart

Package chart implements common chart/plot types. The following chart types are available: Chart tries to provides useful defaults and produce nice charts without sacrificing accuracy. The generated charts look good and are higly customizable but will not match the visual quality of handmade photoshop charts or the statistical features of charts produced by S or R. Creating charts consists of the following steps: You may change the configuration at any step or render to different outputs. The different chart types and their fields are all simple struct types where the zero value provides suitable defaults. All fields are exported, even if you are not supposed to manipulate them directy or are 'output fields'. E.g. the common Data field of all chart types will store the sample data added with one or more Add... methods. Some fields are mere output which expose internal stuff for your use like the Data2Screen and Screen2Data functions of the Ranges. Some fields are even input/output fields: E.g. you may set the Range.TicSetting.Delta to some positive value which will be used as the spacing between tics on that axis; on the other hand if you leave Range.TicSetting.Delta at its default 0 you indicate to the plotting routine to automatically determine the tic delta which is then reported back in this fields. All charts (except pie/ring charts) contain at least one axis represented by a field of type Range. Axis can be differented into following categories: How the axis is autoscaled can be controlled for both ends of the axis individually by MinMode and MaxMode which allow a fine control of the (auto-) scaling. After setting up the chart, adding data, samples, functions you can render the chart to a Graphics output. This process will set several internal fields of the chart. If you reuse the chart, add additional data and output it again these fields might no longer indicate 'automatical/default' but contain the value calculated in the first output round.
1 version
Latest release: over 6 years ago
17 dependent packages

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Dependent Repos 17