Each new series will usually pick up automatically the next color from an internal palette. Or the next pattern, if hash styles are passed to the series. Or next marker image, for image-based scatter points.
You have no idea what these next colors, or patterns, or images are, unless you dig in into the technical documentation of chart’s library. Our original palette charts help you rectify this.
Palette Charts Restrictions
Palette Charts is our original category of 2D chart types that help you visualize, with other existing chart types, the internal color, pattern or image palette used to render chart’s series, without waiting to pass business data to a chart. Palette charts will render, in a graphical and appealing manner, all colors, patterns or images from a predefined set.
We started with the following 2D palette chart types (other new palette chart types are planned for the future):
- Column Palette – for all palette colors or patterns, with gradually ascending bars.
- Pie Palette – for all palette colors or patterns, with a 2D pie chart.
- Pyramid Palette – for all palette colors or patterns, with a 2D pyramid chart.
- Spiral Palette – for all palette colors or patterns, with a radar/polar chart.
- Marker Palette – for all marker symbols or external/internal images, with a scatter chart.
Palette charts display no axes or canvas, no data labels or legend, no trendlines or markers, no crosshairs. All user switches related to these features will have no effect on palette charts. The only external indication of what the internal value of a color, or name of a pattern, or image file are, is given by tooltips. Palette charts may use chart backgrounds or borders, shadows, titles and other configurable chart elements. Pies and pyramids have limited interactivity – no pie/slice explosion, no rotation etc.
Color Palette Charts
Column, Pie, Pyramid and Spiral palette charts are used to display palette colors. Color sets are usually defined for the theme of a chart application, but they can be easily applied to any other app. Following color palette, with five red-based variations – showcased here in a variety of ways – has been defined for an example using Google Charts. But it can be used for any other chart application, as for Highcharts here below:
Marker Palette Charts
Marker palette charts are used to display the set of built-in symbols an application may use as symbols in scatter charts. They may also show external images for these markers, as we’ll see later. When used with a color or pattern palette, a new color or pattern are applied as well to each symbol. Here are some specific built-in markers for a few applications:
Pattern Palette Charts
Column, Pie, Pyramid and Spiral palette charts may be used to display built-in palette patterns, specifically implemented by an application. At this time, we used patterns from Microsoft Chart, AnyChart and Highcharts. Here are few examples:
Image Palette Charts
Marker palette charts are used to display palette images, when external or internal images may be used by an application as external patterns or custom marker symbols. Here below are some charts using markers defined as external images. And hash-based amCharts charts using patterns defined also as remote images: