FunctionPackage: cgToCDocOverviewCGDocRelNotesFAQIndexPermutedIndex
Allegro CL version 10.0
Unrevised from 9.0 to 10.0.
9.0 version

line-x-at-y-x-y

Arguments: x1 y1 x2 y2 y

Returns the x coordinate where a line has a particular y coordinate, or nil for a horizontal line.

The first four arguments are real numbers that specify any two distinct points on the line. The last argument is a real number for the y coordinate. The returned value is a real number or nil.

See also line-x-at-y and line-y-at-x-x-y.


Copyright (c) 1998-2016, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 9.0 page.
Created 2015.5.21.

ToCDocOverviewCGDocRelNotesFAQIndexPermutedIndex
Allegro CL version 10.0
Unrevised from 9.0 to 10.0.
9.0 version