Graphics.GChart.Types

Contents

Chart data
Required Parameters
Optional Parameters
Default Values

Description

This module contains the Haskell data model for the Google Chart API.

Details about the parameters can be found on the Google Chart API website : http://code.google.com/apis/chart/

Some chart types are not supported yet :

Some parameters are not supported yet :

Data Scaling http://code.google.com/apis/chart/formats.html#data_scaling
Shape markers http://code.google.com/apis/chart/styles.html#shape_markers
Range markers http://code.google.com/apis/chart/styles.html#range_markers
Financial markers http://code.google.com/apis/chart/styles.html#financial_markers
Line Styles http://code.google.com/apis/chart/styles.html#line_styles
Fill area http://code.google.com/apis/chart/colors.html#fill_area_marker
Bar width and spacing http://code.google.com/apis/chart/styles.html#bar_width
Bar chart zero line http://code.google.com/apis/chart/styles.html#zero_line
Data point labels http://code.google.com/apis/chart/labels.html#data_point_labels
Chart margins http://code.google.com/apis/chart/styles.html#chart_margins
Chart title color and font customisation http://code.google.com/apis/chart/labels.html#chart_title
Pie chart orientation http://code.google.com/apis/chart/types.html#pie_charts

Synopsis

Chart data

This type represents the Chart

data Chart Source

Data type for the chart

Constructors

Chart
Fields chartSize :: ChartSize chartType :: ChartType chartData :: ChartData chartTitle :: Maybe ChartTitle chartColors :: Maybe ChartColors chartFills :: Maybe ChartFills chartLegend :: Maybe ChartLegend chartAxes :: Maybe ChartAxes chartGrid :: Maybe ChartGrid chartLabels :: Maybe ChartLabels

Instances

Show Chart

Required Parameters

These parameters are required for all charts

Chart Size

data ChartSize Source

Size of the chart. width and height specified in pixels

Constructors

Size Int Int

Instances

Show ChartSize
ChartItem ChartSize

Chart Data

data ChartData Source

Chart data along with encoding. XY data for is encoded a pair of | consecutive data sets | http://code.google.com/apis/chart/formats.html

Constructors

Simple [[Int]]	Simple - lets you specify integer values from 061, inclusive
Text [[Float]]	Text - supports floating point numbers from 0100, inclusive
Extended [[Int]]	Extended - lets you specify integer values from 04095, inclusive

Instances

Show ChartData
ChartItem ChartData

Chart Type

data ChartType Source

Chart type http://code.google.com/apis/chart/types.html

Constructors

Line	Line Chart
Sparklines	Sparklines
LineXY	Line Chart w/ XY co-ordinates
BarHorizontalStacked	Horizontal bar chart w/ stacked bars
BarVerticalStacked	Vertical bar chart w/ stacked bars
BarHorizontalGrouped	Horizontal bar chart w/ grouped bars
BarVerticalGrouped	Vertical bar chart w/ grouped bars
Pie	Two dimensional pie chart
Pie3D	Three dimensional pie chart
PieConcentric	Concentric pie chart
Venn	Venn Diagram
ScatterPlot	Scatter Plot
Radar	Radar Chart
GoogleOMeter	Google-o-meter

Instances

Show ChartType
ChartItem ChartType

Optional Parameters

All other parameters are optional

Chart Colors

data ChartColors Source

Chart colors specified as a list of Color values for each data point. | http://code.google.com/apis/chart/colors.html#chart_colors

Constructors

ChartColors [Color]

Instances

Show ChartColors
ChartItem ChartColors

type Color = String Source

Color data specified as a hex string

Solid Fill, Linear Gradient, Linear Stripes

type ChartFills = [Fill]Source

Chart fills, as a list of Fills

data Fill Source

Constructor for a chart fill

Constructors

Fill FillKind FillType

Instances

Show Fill

data FillKind Source

Specifies the kind of fill

Constructors

Solid Color	Solid Fill http://code.google.com/apis/chart/colors.html#solid_fill
LinearGradient Angle [(Color, Offset)]	Linear Gradient http://code.google.com/apis/chart/colors.html#linear_gradient
LinearStripes Angle [(Color, Width)]	Linear Stripes http://code.google.com/apis/chart/colors.html#linear_stripes

Instances

Show FillKind

data FillType Source

Specifies the type of fill

Constructors

Background	Background fill
Area	Chart area fill
Transparent	Apply transparency to whole chart (applicable to `Solid` fill only)

Instances

Show FillType

type Offset = Float Source

Specifies at what point the color is pure. In this parameter, 0 specifies | the right-most chart position and 1 specifies the left-most chart | position. Applicable to LinearGradient

type Width = Float Source

Width of the stripe. must be between 0 and 1, where 1 is the full width of | the chart

type Angle = Float Source

Specifies the angle of the gradient between 0 (horizontal) and 90 | (vertical). Applicable to LinearGradient and LinearStripes

Chart Title

type ChartTitle = String Source

Title of the chart | http://code.google.com/apis/chart/labels.html#chart_title

Chart Legend

data ChartLegend Source

Specifies a chart legend | http://code.google.com/apis/chart/labels.html#chart_legend

Constructors

Legend [String] (Maybe LegendPosition)

Instances

Show ChartLegend
ChartItem ChartLegend

data LegendPosition Source

Position of legend on chart. Applies to ChartLegend

Constructors

LegendBottom	Bottom of chart, horizontally
LegendTop	Top of chart, horizontally
LegendVBottom	Bottom of chart, vertically
LegendVTop	Bottom of chart, vertically
LegendRight	Left of chart
LegendLeft	Right of chart

Instances

Show LegendPosition

Axis styles and labels

type ChartAxes = [Axis]Source

List of Axis for chart

data Axis Source

Specify an axis for chart. | http://code.google.com/apis/chart/labels.html#axis_styles

Constructors

Axis
Fields axisType :: AxisType axisLabels :: Maybe [AxisLabel] axisPositions :: Maybe [AxisPosition] axisRange :: Maybe AxisRange axisStyle :: Maybe AxisStyle

Instances

Show Axis

data AxisType Source

Type of Axis | http://code.google.com/apis/chart/labels.html#axis_type

Constructors

AxisBottom	Bottom x-axis
AxisTop	Top x-axis
AxisLeft	Left y-axis
AxisRight	Right y-axis

Instances

Show AxisType

type AxisLabel = String Source

Axis Labels. | http://code.google.com/apis/chart/labels.html#axis_labels

type AxisPosition = Float Source

Axis Label Positions. http://code.google.com/apis/chart/labels.html#axis_label_positions

Labels with a specified position of 0 are placed at the bottom of the y- or r-axis, or at the left of the x- or t-axis.

Labels with a specified position of 100 are placed at the top of the y- or r-axis, or at the right of the x- or t-axis.

type FontSize = Int Source

Font size in pixels. Applicable to AxisStyle

data AxisRange Source

Axis Range http://code.google.com/apis/chart/labels.html#axis_range

The range is specifies with a tuple containing the start and end values. An optional interval value can be specified.

Constructors

Range (Float, Float) (Maybe Float)

Instances

Eq AxisRange
Show AxisRange

data AxisStyle Source

Specify Axis style | http://code.google.com/apis/chart/labels.html#axis_styles

Constructors

Style
Fields axisColor :: Color axisFontSize :: Maybe FontSize axisStyleAlign :: Maybe AxisStyleAlignment axisDrawingControl :: Maybe DrawingControl tickMarkColor :: Maybe Color

Instances

Eq AxisStyle
Show AxisStyle

data DrawingControl Source

Control drawing of Axis. Applicable to AxisStyle

Constructors

DrawLines	Draw axis lines only
DrawTicks	Draw tick marks only
DrawLinesTicks	Draw axis lines and tick marks

Instances

Eq DrawingControl
Show DrawingControl

data AxisStyleAlignment Source

Alignment of Axis labels. Applies to AxisStyle

Constructors

AxisStyleLeft	Left aligned labels
AxisStyleCenter	Centered labels
AxisStyleRight	Right aligned labels

Instances

Eq AxisStyleAlignment
Show AxisStyleAlignment

Grid Lines

data ChartGrid Source

Grid Lines for Chart | http://code.google.com/apis/chart/styles.html#grid

Constructors

ChartGrid
Fields xAxisStep :: Float x-axis step size (0-100) yAxisStep :: Float y-axis step size (0-100) lineSegmentLength :: Maybe Float length of line segment blankSegmentLength :: Maybe Float length of blank segment xOffset :: Maybe Float x axis offset yOffset :: Maybe Float y axis offset

Instances

Show ChartGrid
ChartItem ChartGrid

Pie chart and Google-o-meter labels

data ChartLabels Source

Labels for Pie Chart and Google-o-meter. | Specify a list with a single label for Google-o-meter

Constructors

ChartLabels [String]

Instances

Show ChartLabels
ChartItem ChartLabels

Default Values

These functions return default values for complex parameters, which can be used as starting points to construct parameters when creating charts.

defaultChart :: Chart Source

defaultAxis :: Axis Source

defaultGrid :: ChartGrid Source