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% File src/library/graphics/man/axTicks.Rd
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% File src/library/graphics/man/axTicks.Rd
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% Part of the R package, https://www.R-project.org
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% Part of the R package, https://www.R-project.org
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% Copyright 1995-2011 R Core Team
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% Copyright 1995-2019 R Core Team
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% Distributed under GPL 2 or later
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% Distributed under GPL 2 or later
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\name{axTicks}
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\name{axTicks}
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\alias{axTicks}
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\alias{axTicks}
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\title{Compute Axis Tickmark Locations}
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\title{Compute Axis Tickmark Locations}
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specify all three (as non-NULL), the graphics environment is not used
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specify all three (as non-NULL), the graphics environment is not used
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at all. Note that the meaning of \code{axp} differs significantly
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at all. Note that the meaning of \code{axp} differs significantly
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when \code{log} is \code{TRUE}; see the documentation on
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when \code{log} is \code{TRUE}; see the documentation on
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\code{\link{par}(xaxp = .)}.
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\code{\link{par}(xaxp = .)}.
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\code{axTicks()} can be used an \R interface to the C function
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\code{axTicks()} may be seen as an \R implementation of the C function
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\code{CreateAtVector()} in \file{..../src/main/plot.c}
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\code{CreateAtVector()} in \file{..../src/main/plot.c}
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which is called by \code{\link{axis}(side, *)} when no argument
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which is called by \code{\link{axis}(side, *)} when no argument
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\code{at} is specified or directly by \code{\link{axisTicks}()} (in package
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\code{at} is specified.
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\pkg{grDevices}).
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\cr
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The delicate case, \code{log = TRUE}, now makes use of
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The delicate case, \code{log = TRUE}, now makes use of
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\code{\link{axisTicks}} (in package \pkg{grDevices}) unless
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\code{\link{axisTicks}} unless \code{nintLog = Inf} which exists for back
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\code{nintLog = Inf} which exists for back compatibility.
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compatibility.
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}
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}
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\value{
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\value{
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numeric vector of coordinate values at which axis tickmarks can be
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numeric vector of coordinate values at which axis tickmarks can be
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drawn. By default, when only the first argument is specified,
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drawn. By default, when only the first argument is specified,
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these values should be identical to those that
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these values should be identical to those that
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