450 lines
6.8 KiB
Markdown
450 lines
6.8 KiB
Markdown
# API Reference
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## Manager
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A Manager allows to manipulate multiple [Canvas](#canvas) inside a DOM
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element
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### Manager.parent_element
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*property*: **Element**
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DOM element containing every canvas Element
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### Manager.list_canvas
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*property*: **list<Canvas>**
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List of [Canvas](#canvas) managed
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### Manager.add_canvas
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Add a managed canvas
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Parameters:
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- *width*(optional): **int**
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Width in pixel of the canvas Element. Default to 100
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- *height*(optional): **int**
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Height in pixel of the canvas Element. Default to 100
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- *position*(optional): **int**
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Position of the added Canvas in the
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[parent_element](#manager-parent_element) and in
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[list_canvas](#manager-list_canvas). Default to 0
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Return:
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**Canvas**: the created [Canvas](#canvas)
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### Manager.draw
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Draw every managed [Canvas](#canvas)
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### Manager.remove_canvas
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Remove a canvas at a given position
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Parameters:
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- *position(optional)*: **int**
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Position of the canvas to delete. Default to 0
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## Canvas
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### Canvas.ctx
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*property*: **CanvasRenderingContext2D**
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API interface of the associated canvas Element
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### Canvas.figure
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*property*: **Figure**
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Figure held
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### Canvas.draw
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Render the figure to the canvas
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## Figure
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A figure hold multiple axes. That the object which contains every plot
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elements
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### Figure.width
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*property*: **int**
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Width of the figure (related to each axes)
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### Figure.height
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*property*: **int**
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Height of the figure (related to each axes)
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### Figure.list_axes
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*property*: **list<Axes>**
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List of [Axes](#axes).
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### Figure.add_axes
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Add an [Axes](#axes) to this figure
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Parameters:
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- *width*(optional): **int**
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Relative width of the new [Axes](#axes). Default to 50
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- *height*(optional): **int**
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Relative height of the new [Axes](#axes). Default to 50
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- *position*(optional): **int**
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Position of the new [Axes](#axes) in the [list_axes](#figure-list_axes).
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Default to 0
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Return:
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**Axes**: Added [Axes](#axes)
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### Figure.remove_axes
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Remove an [Axes](#axes) in a given position
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Parameters:
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- *position*: **int**
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Position of the [Axes](#axes) to delete
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## Axes
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An Axes represents one plot in a [Figure](#figure)
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### Axes.width
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*property*: **int**
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Width of the axes (relative to the [Figure](#figure))
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### Axes.height
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*property*: **int**
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Height of the axes (relative to the [Figure](#figure))
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### Axes.title
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*property*: **Title**
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[Title](#title) of the axes
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### Axes.lines
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*property*: **list<Line>**
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List of lines
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### Axes.plot
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Plot y versus x as lines
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Parameters:
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- *x*: **list<Number>**
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x data
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- *y*: **list<Number>**
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y data
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- *linestyle*(optional): **String**
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Style of the line between `solid`, `dotted`, `dashdot`, `dashed` or
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empty for no line. Default value to `solid`
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- *linecolor*(optional): **String**
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Color of the line whith a form like `rgb(x,y,z)`, or `#abcdef` or
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a name of a color. Default value to `black`
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- *markerstyle*(optional): **String**
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Style of the marker for each point between `circle`, `point`, `little`,
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`cross` or empty for no marker. Default to `circle`
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- *markercolor*(optional): **String**
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Color of the marker for each point with the same format than the
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*linecolor* option. Default to `black`
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- *markersize*(optional): **Number**
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Size of the marker for each point in pixel. Default to 5
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### Axes.draw
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Render the axes to the canvas
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Parameters:
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- *ctx*: **CanvasRenderingContext2D**
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Context of the canvas
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- *view*: **2dlist<Number>**
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Window were to draw the canvas
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## Line
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A line, with a color and a line style
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### Line.x
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*property*: **list<Number>**
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xdata
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### Line.y
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*property*: **list<Number>**
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ydata
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### Line.linestyle
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*property*: **String**
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Style of the line between `solid`, `dotted`, `dashdot`, `dashed` or
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empty for no line. Default value to `solid`
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### Line.linecolor
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*property*: **String**
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Color of the line whith a form like `rgb(x,y,z)`, or `#abcdef` or
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a name of a color. Default value to `black`
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### Line.markerstyle
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*property*: **String**
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Style of the marker for each point between `circle`, `point`, `little`,
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`cross` or empty for no marker. Default to `circle`
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### Line.markercolor
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*property*: **String**
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Color of the marker for each point with the same format than
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[linecolor](#line-linecolor) property. Default to `black`
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### Line.markersize
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*property*: **Number**
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Size of the marker for each point in pixel. Default to 5
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### Line.draw
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Draw the line in the box coordinate
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Parameters:
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- *ctx*: **CanvasRenderingContext2D**
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Context of the canvas
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- *box*: **list<list<int>>**
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Box where to draw the line (absolute dimension)
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- *view*: **list<list<Number>>**
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Box where to draw the line (in the xdata and ydata scale). It links
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absolute coordinate and value.
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### Line.drawLine
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Draw a line in the given context at the given coordinates
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Parameters:
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- *ctx*: **CanvasRenderingContext2D**
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Context of the canvas
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- *x_coordinates*: **1dlist<Number>**
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x coordinates
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- *y_coordinates*: **1dlist<Number>**
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y coordinates
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### Line.drawPoints
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Draw points in the given context at the given coordinates
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Parameters:
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- *ctx*: **CanvasRenderingContext2D**
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Context of the canvas
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- *x_coordinates*: **1dlist<Number>**
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x coordinates
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- *y_coordinates*: **1dlist<Number>**
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y coordinates
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## Font
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An object representing a font
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### Font.size
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*property*: **int**
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Size of the font (in pixel)
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### Font.family
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*property*: **String**
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"Family" of the font (Times new roman, Lato, etc.)
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### Font.color
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*property*: **String**
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Color of the font with the form `#abcdef`, `rgb(x,y,z)` or a name of a
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color
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## Title
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Title of an axes
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### Title.content
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*property*: **String**
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Content of a title
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### Title.font
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*property*: **String**
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[Font](#Font) of a title
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### Title.draw
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Draw the title in the given box
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Parameters:
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- *ctx*: **CanvasRenderingContext2D**
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Context of the canvas
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- *box*: **2darray<Number>**
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Window where to write the title on
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Return:
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**2darray<Number>**: New window for the plot
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## Axis
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Axis (x and y) of the axes (not separated xaxis and yaxis)
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### Axis.number_x_tick
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*property*: **int**
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Number of x axis tick
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### Axis.number_y_tick
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*property*: **int**
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Number of y axis tick
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### Axis.size_tick
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*property*: **int**
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Size of each tick
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### Axis.margin
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*property*: **int**
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Size of the margin
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### Axis.text_height
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*property*: **int**
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Height of the text label
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### Axis.draw
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Draw xaxis and yaxis to canvas
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Parameters:
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- *ctx*: **CanvasRenderingContext2D**
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Context of the canvas
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- *box*: **2darray<Number>**
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Window where to draw the axis on the canvas
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- *view*: **2darray<Number>**
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Window where to draw the canvas with real value (in space of plot)
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Return:
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**2darray<Number>**: New window where to draw the rest of the plot
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## get_ext_array
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Get max or min of a 1d array of number
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Parameters:
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- *array*: **list<Number>**
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Array where to get max/min values
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- *f*: **function**
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`Math.max` or `Math.min`
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- *sign*: **int**
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-1 if max, 1 if min
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Return:
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**Number**: Max/min value of the 1d array
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