extractor.cpp File Reference

Functions

• void toPolygon (const polygon::point &pixel, polygon::point *pixel_poly)
• std::vector< polygon::point > getAffectedPixel (const polygon::point wfwin[])
• float minx (const polygon::point xx[], const int N)
• float miny (const polygon::point xx[], const int N)
• float maxx (const polygon::point xx[], const int N)
• float maxy (const polygon::point xx[], const int N)

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Function Documentation

void toPolygon	(	const polygon::point &	pixel,
		polygon::point *	pixel_poly
	)

for a pixel centered at pixel.x, pixel.y, return a plygon with the 4 corners of the pixel as vertices. assumes the memory for the pixel polygon has been allocated by the caller.

References polygon::point::x, and polygon::point::y.

Referenced by Extractor::extract_aperture_w_rebin().

std::vector< polygon::point > getAffectedPixel

(

const polygon::point

wfwin[]

)

return a <point> with the coordinates of the pixels within an enclosing rectangle of a polygon with 4 vertices.

References maxx(), maxy(), minx(), and miny().

Referenced by Extractor::extract_aperture_w_rebin().

float minx	(	const polygon::point	xx[],
		const int	N
	)

return smallest x value within a point[] of length N

References polygon::point::x.

Referenced by emission_line_plot(), getAffectedPixel(), mkimage_regrid(), and Measure::remove_spectra_ind().

float miny	(	const polygon::point	xx[],
		const int	N
	)

return smallest y value within a point[] of length N

References polygon::point::y.

Referenced by FiberIterator::beginFiber(), emission_line_plot(), getAffectedPixel(), mkimage_regrid(), and Measure::remove_spectra_ind().

float maxx	(	const polygon::point	xx[],
		const int	N
	)

return largest x value within a point[] of length N

References polygon::point::x.

Referenced by emission_line_plot(), getAffectedPixel(), mkimage_regrid(), and Measure::remove_spectra_ind().

float maxy	(	const polygon::point	xx[],
		const int	N
	)

return largest y value within a point[] of length N

References polygon::point::y.

Referenced by FiberIterator::beginFiber(), emission_line_plot(), getAffectedPixel(), mkimage_regrid(), and Measure::remove_spectra_ind().