qml

package
v0.0.0-...-f96ffc0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jul 11, 2015 License: GPL-3.0 Imports: 21 Imported by: 0

Documentation

Overview

Package qml implements a GUI interface and plotting functions using the go QML bindings.

Index

Constants

This section is empty.

Variables

View Source 
var (
	DefaultFontName  = "NimbusSanL-Bold"
	DefaultFontScale = 14
)
View Source 
var DefaultColors = []color.RGBA{
	rgb(255, 255, 0),
	rgb(0, 255, 255),
	rgb(255, 105, 180),
	rgb(0, 255, 0),
	rgb(0, 0, 255),
	rgb(255, 0, 0),
	rgb(255, 0, 255),
}

Functions

func Color 

func Color(i int) color.RGBA

Color returns the ith default color

func MainLoop 

func MainLoop(ctrl *Ctrl)

MainLoop function is called to draw the scene, it does not return. ctrl is the control structure used for sending events and plts is a list of plots to display.

Types

type Axis 

type Axis struct {
	Title     string
	FloatZero bool
	// contains filtered or unexported fields
}

Axis type represents the axis for the plot

type Config 

type Config struct {
	Model string
	// contains filtered or unexported fields
}

Config type manages updating the config settings

func (*Config) Default 

func (c *Config) Default(model string)

Set default config settings

func (*Config) Load 

func (c *Config) Load(model string)

Load config settings from disk

func (*Config) Print 

func (c *Config) Print()

func (*Config) Save 

func (c *Config) Save(model string)

Save current config settings to disk

func (*Config) Set 

func (c *Config) Set(key, value string)

Set config value from GUI

func (*Config) Update 

func (c *Config) Update()

Update display of config settings

type Ctrl 

type Ctrl struct {
	WG sync.WaitGroup
	// contains filtered or unexported fields
}

Ctrl type is used for communication with the gui

func NewCtrl 

func NewCtrl(cfg *network.Config, net *network.Network, testData *network.Data, dataSets []string, selected string, plots []*Plot) *Ctrl

func (*Ctrl) Done 

func (c *Ctrl) Done()

Callback when run is completed

func (*Ctrl) NextEvent 

func (c *Ctrl) NextEvent(running bool) Event

Get next event from channel, if running is set then auto step

func (*Ctrl) Refresh 

func (c *Ctrl) Refresh(cfg *network.Config, net *network.Network, testData *network.Data)

Callback to refresh the plot when selecting a new dataset

func (*Ctrl) Select 

func (c *Ctrl) Select(model string)

Choose new data set

func (*Ctrl) Send 

func (c *Ctrl) Send(typ, arg string)

Send user input invent

func (*Ctrl) SetRun 

func (c *Ctrl) SetRun(run int)

Callback to set run number

type Event 

type Event struct {
	Typ string
	Arg string
}

type Font 

type Font struct {
	// contains filtered or unexported fields
}

A Font allows rendering of text to an OpenGL context.

func (*Font) DrawText 

func (f *Font) DrawText(gl *GL.GL, xpos, ypos, angle float32, str string) error

DrawText method draws the given string at the specified coordinates.

func (*Font) Height 

func (f *Font) Height() int

Height method returns font height in points

func (*Font) Size 

func (f *Font) Size(s string) (w int)

Size method returns the horizontal size of string in points

type Histogram 

type Histogram struct {
	Fill bool
	// contains filtered or unexported fields
}

Histogram plotter represents a histogram plot.

func NewHistogram 

func NewHistogram(pts XYer, name string) *Histogram

NewHistogram function creates a histogram plot with the given data

func (Histogram) DataRange 

func (pt Histogram) DataRange() (min, max Point)

DataRange method gives the x and y range

func (Histogram) DrawLegend 

func (pt Histogram) DrawLegend(gl *GL.GL, ps *Plots)

DrawLegend method draws the legend at the current screen position.

func (Histogram) LegendSize 

func (pt Histogram) LegendSize(ps *Plots) (w, h float32)

LegendSize method returns the size of the legend on screen.

func (*Histogram) Plot 

func (h *Histogram) Plot(gl *GL.GL, p *Plot)

Plot method implements the plotter interface

func (*Histogram) Refresh 

func (h *Histogram) Refresh()

Refresh method is called to update the data

func (*Histogram) Scaled 

func (h *Histogram) Scaled() bool

func (Histogram) SetColor 

func (pt Histogram) SetColor(c color.RGBA)

func (Histogram) SetName 

func (pt Histogram) SetName(n string)

type Line 

type Line struct {
	Width float32
	// contains filtered or unexported fields
}

Line plotter represents a line plot.

func NewLine 

func NewLine(pts XYer, name string) *Line

NewLine function creates a new line with the given data

func (Line) DataRange 

func (pt Line) DataRange() (min, max Point)

DataRange method gives the x and y range

func (Line) DrawLegend 

func (pt Line) DrawLegend(gl *GL.GL, ps *Plots)

DrawLegend method draws the legend at the current screen position.

func (Line) LegendSize 

func (pt Line) LegendSize(ps *Plots) (w, h float32)

LegendSize method returns the size of the legend on screen.

func (*Line) Plot 

func (l *Line) Plot(gl *GL.GL, p *Plot)

Plot method implements the plotter interface

func (*Line) Refresh 

func (l *Line) Refresh()

Refresh method is called to update the data

func (Line) Scaled 

func (pt Line) Scaled() bool

func (Line) SetColor 

func (pt Line) SetColor(c color.RGBA)

func (Line) SetName 

func (pt Line) SetName(n string)

type Network 

type Network struct {
	qml.Object

	Background color.RGBA
	Color      color.RGBA
	// contains filtered or unexported fields
}

Network type is used to visualise the neural net.

func (*Network) Compact 

func (n *Network) Compact(on bool)

Enable compact view

func (*Network) Distort 

func (n *Network) Distort(on bool, mode int)

Apply distortion to the image

func (*Network) Filter 

func (n *Network) Filter(on bool, val int)

Filter to only show errors

func (*Network) First 

func (n *Network) First()

Step to first entry in test set

func (*Network) Next 

func (n *Network) Next()

Step to next entry in test set

func (*Network) Paint 

func (n *Network) Paint(paint *qml.Painter)

Paint method draws the network.

func (*Network) Prev 

func (n *Network) Prev()

Step to previous entry in test set

func (*Network) Run 

func (n *Network) Run(offset int)

Run network. Step to next data entry if filter is not matched.

type Plot 

type Plot struct {
	Name     string
	Title    string
	Xaxis    *Axis
	Yaxis    *Axis
	Legend   Position
	Plotters []Plotter
}

Plot type represents one of the plots

func NewPlot 

func NewPlot(name, title string, plt ...Plotter) *Plot

NewPlot function creates a new plot with default settings

func (*Plot) Add 

func (p *Plot) Add(plt ...Plotter)

Add method adds elements to the plot

func (*Plot) Clear 

func (p *Plot) Clear()

Clear method removes all the ploters from the plot

func (*Plot) Trans 

func (p *Plot) Trans(x0, y0 float32) (x1, y1 float32)

Trans method converts from plot to screen coordinates

type Plots 

type Plots struct {
	qml.Object
	Grid       bool
	Background color.RGBA
	Color      color.RGBA
	GridColor  color.RGBA
	// contains filtered or unexported fields
}

Plots type is a QML plotting component.

func (*Plots) Paint 

func (ps *Plots) Paint(paint *qml.Painter)

Paint method draws the plot.

func (*Plots) Select 

func (ps *Plots) Select(i int)

Switch the plot to display

func (*Plots) TextHeight 

func (ps *Plots) TextHeight() float32

returns height of the current font in model coords

func (*Plots) TextWidth 

func (ps *Plots) TextWidth(s string) float32

returns the width of string in model coords

type Plotter 

type Plotter interface {
	Refresh()
	Plot(gl *GL.GL, p *Plot)
	LegendSize(ps *Plots) (x, y float32)
	DrawLegend(gl *GL.GL, ps *Plots)
	DataRange() (min, max Point)
	SetColor(c color.RGBA)
	SetName(n string)
	Scaled() bool
}

Plotter interface type is a plottable data set.

type Point 

type Point struct {
	X, Y float32
}

func NewPoint 

func NewPoint(x, y float32) Point

type Points 

type Points struct {
	PointSize  float32
	DrawErrors bool
	// contains filtered or unexported fields
}

Points plotter represents an xy scatter plot

func NewPoints 

func NewPoints(xpts, ypts XYer, name string) *Points

NewPoints function creates a new scatter plot

func (Points) DataRange 

func (pt Points) DataRange() (min, max Point)

DataRange method gives the x and y range

func (Points) DrawLegend 

func (pt Points) DrawLegend(gl *GL.GL, ps *Plots)

DrawLegend method draws the legend at the current screen position.

func (Points) LegendSize 

func (pt Points) LegendSize(ps *Plots) (w, h float32)

LegendSize method returns the size of the legend on screen.

func (*Points) Plot 

func (d *Points) Plot(gl *GL.GL, p *Plot)

Plot method implements the plotter interface

func (*Points) Refresh 

func (d *Points) Refresh()

Refresh method is called to update the data

func (Points) Scaled 

func (pt Points) Scaled() bool

func (Points) SetColor 

func (pt Points) SetColor(c color.RGBA)

func (Points) SetName 

func (pt Points) SetName(n string)

type Position 

type Position int
const (
	TopRight Position = iota
	TopLeft
	BottomRight
	BottomLeft
)

type XYer 

type XYer interface {
	Len() int
	BinWidth() float32
	XY(i int) (x, y float32)
	XYErr(i int) (x, y, yerr float32)
	DataRange() (xmin, ymin, xmax, ymax float32)
	Lock()
	Unlock()
}

Source Files

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