@spec clear(t()) :: t() | {:error, String.t()}

Clears the algorithm state

Positional Arguments

• self: Evision.Plot.Plot2d.t()

Python prototype (for reference only):

clear() -> None

@spec create(Evision.Mat.maybe_mat_in()) :: t() | {:error, String.t()}

Creates Plot2d object

Positional Arguments

• data: Evision.Mat.t().

  \f$1xN\f$ or \f$Nx1\f$ matrix containing \f$Y\f$ values of points to plot. \f$X\f$ values will be equal to indexes of correspondind elements in data matrix.

Return

• retval: Plot2d

Python prototype (for reference only):

create(data) -> retval

@spec create(Evision.Mat.maybe_mat_in(), Evision.Mat.maybe_mat_in()) ::
  t() | {:error, String.t()}

Creates Plot2d object

Positional Arguments

• dataX: Evision.Mat.t().

  \f$1xN\f$ or \f$Nx1\f$ matrix \f$X\f$ values of points to plot.

• dataY: Evision.Mat.t().

  \f$1xN\f$ or \f$Nx1\f$ matrix containing \f$Y\f$ values of points to plot.

Return

• retval: Plot2d

Python prototype (for reference only):

create(dataX, dataY) -> retval

@spec empty(t()) :: boolean() | {:error, String.t()}

Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read

Positional Arguments

• self: Evision.Plot.Plot2d.t()

Return

• retval: bool

Python prototype (for reference only):

empty() -> retval

@spec getDefaultName(t()) :: binary() | {:error, String.t()}

getDefaultName

Positional Arguments

• self: Evision.Plot.Plot2d.t()

Return

• retval: String

Returns the algorithm string identifier. This string is used as top level xml/yml node tag when the object is saved to a file or string.

Python prototype (for reference only):

getDefaultName() -> retval

@spec read(t(), Evision.FileNode.t()) :: t() | {:error, String.t()}

Reads algorithm parameters from a file storage

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• fn_: Evision.FileNode.t()

Python prototype (for reference only):

read(fn_) -> None

@spec render(t()) :: Evision.Mat.t() | {:error, String.t()}

render

Positional Arguments

• self: Evision.Plot.Plot2d.t()

Return

• plotResult: Evision.Mat.t().

Python prototype (for reference only):

render([, _plotResult]) -> _plotResult

@spec render(t(), [{atom(), term()}, ...] | nil) ::
  Evision.Mat.t() | {:error, String.t()}

render

Positional Arguments

• self: Evision.Plot.Plot2d.t()

Return

• plotResult: Evision.Mat.t().

Python prototype (for reference only):

render([, _plotResult]) -> _plotResult

@spec save(t(), binary()) :: t() | {:error, String.t()}

save

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• filename: String

Saves the algorithm to a file. In order to make this method work, the derived class must implement Algorithm::write(FileStorage& fs).

Python prototype (for reference only):

save(filename) -> None

@spec setGridLinesNumber(t(), integer()) :: t() | {:error, String.t()}

setGridLinesNumber

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• gridLinesNumber: int

Python prototype (for reference only):

setGridLinesNumber(gridLinesNumber) -> None

@spec setInvertOrientation(t(), boolean()) :: t() | {:error, String.t()}

setInvertOrientation

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• invertOrientation: bool

Python prototype (for reference only):

setInvertOrientation(_invertOrientation) -> None

@spec setMaxX(t(), number()) :: t() | {:error, String.t()}

setMaxX

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotMaxX: double

Python prototype (for reference only):

setMaxX(_plotMaxX) -> None

@spec setMaxY(t(), number()) :: t() | {:error, String.t()}

setMaxY

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotMaxY: double

Python prototype (for reference only):

setMaxY(_plotMaxY) -> None

@spec setMinX(t(), number()) :: t() | {:error, String.t()}

setMinX

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotMinX: double

Python prototype (for reference only):

setMinX(_plotMinX) -> None

@spec setMinY(t(), number()) :: t() | {:error, String.t()}

setMinY

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotMinY: double

Python prototype (for reference only):

setMinY(_plotMinY) -> None

@spec setNeedPlotLine(t(), boolean()) :: t() | {:error, String.t()}

Switches data visualization mode

Positional Arguments

• self: Evision.Plot.Plot2d.t()

• needPlotLine: bool.

  if true then neighbour plot points will be connected by lines. In other case data will be plotted as a set of standalone points.

Python prototype (for reference only):

setNeedPlotLine(_needPlotLine) -> None

@spec setPlotAxisColor(
  t(),
  {number()}
  | {number(), number()}
  | {number(), number(), number()}
  | {number(), number(), number(), number()}
) :: t() | {:error, String.t()}

setPlotAxisColor

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotAxisColor: Scalar

Python prototype (for reference only):

setPlotAxisColor(_plotAxisColor) -> None

@spec setPlotBackgroundColor(
  t(),
  {number()}
  | {number(), number()}
  | {number(), number(), number()}
  | {number(), number(), number(), number()}
) :: t() | {:error, String.t()}

setPlotBackgroundColor

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotBackgroundColor: Scalar

Python prototype (for reference only):

setPlotBackgroundColor(_plotBackgroundColor) -> None

@spec setPlotGridColor(
  t(),
  {number()}
  | {number(), number()}
  | {number(), number(), number()}
  | {number(), number(), number(), number()}
) :: t() | {:error, String.t()}

setPlotGridColor

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotGridColor: Scalar

Python prototype (for reference only):

setPlotGridColor(_plotGridColor) -> None

@spec setPlotLineColor(
  t(),
  {number()}
  | {number(), number()}
  | {number(), number(), number()}
  | {number(), number(), number(), number()}
) :: t() | {:error, String.t()}

setPlotLineColor

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotLineColor: Scalar

Python prototype (for reference only):

setPlotLineColor(_plotLineColor) -> None

@spec setPlotLineWidth(t(), integer()) :: t() | {:error, String.t()}

setPlotLineWidth

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotLineWidth: int

Python prototype (for reference only):

setPlotLineWidth(_plotLineWidth) -> None

@spec setPlotSize(t(), integer(), integer()) :: t() | {:error, String.t()}

setPlotSize

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotSizeWidth: int
• plotSizeHeight: int

Python prototype (for reference only):

setPlotSize(_plotSizeWidth, _plotSizeHeight) -> None

@spec setPlotTextColor(
  t(),
  {number()}
  | {number(), number()}
  | {number(), number(), number()}
  | {number(), number(), number(), number()}
) :: t() | {:error, String.t()}

setPlotTextColor

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• plotTextColor: Scalar

Python prototype (for reference only):

setPlotTextColor(_plotTextColor) -> None

@spec setPointIdxToPrint(t(), integer()) :: t() | {:error, String.t()}

Sets the index of a point which coordinates will be printed on the top left corner of the plot (if ShowText flag is true).

Positional Arguments

• self: Evision.Plot.Plot2d.t()

• pointIdx: int.

  index of the required point in data array.

Python prototype (for reference only):

setPointIdxToPrint(pointIdx) -> None

@spec setShowGrid(t(), boolean()) :: t() | {:error, String.t()}

setShowGrid

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• needShowGrid: bool

Python prototype (for reference only):

setShowGrid(needShowGrid) -> None

@spec setShowText(t(), boolean()) :: t() | {:error, String.t()}

setShowText

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• needShowText: bool

Python prototype (for reference only):

setShowText(needShowText) -> None

@spec write(t(), Evision.FileStorage.t()) :: t() | {:error, String.t()}

Stores algorithm parameters in a file storage

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• fs: Evision.FileStorage.t()

Python prototype (for reference only):

write(fs) -> None

@spec write(t(), Evision.FileStorage.t(), binary()) :: t() | {:error, String.t()}

write

Positional Arguments

• self: Evision.Plot.Plot2d.t()
• fs: Evision.FileStorage.t()
• name: String

Has overloading in C++

Python prototype (for reference only):

write(fs, name) -> None