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.TH PLSTRANSFORM 3plplot  "February, 2014" "" "PLplot API"
.SH NAME
\fBplstransform\fP - Set a global coordinate transform function 
.SH SYNOPSIS
\fBplstransform\fP(\fIcoordinate_transform\fP, \fIcoordinate_transform_data\fP)
.SH DESCRIPTION

.P
This function can be used to define a coordinate transformation which affects all elements drawn within the current plot window. The \fIcoordinate_transform\fP function is similar to that provided for the \fBplmap\fP(3plplot) and \fBplmeridians\fP(3plplot) functions.  The \fIcoordinate_transform_data\fP parameter may be used to pass extra data to \fIcoordinate_transform\fP. 
.P
Redacted form:  General: \fBplstransform(coordinate_transform, coordinate_transform_data)\fP

.P
This function is used in examples 19 and 22. 
.SH ARGUMENTS
.TP
\fIcoordinate_transform\fP (void (*) (PLFLT, PLFLT, PLFLT *, PLFLT *, PLPointer) , input) 
Pointer to a function that defines a transformation from the input (x, y) coordinate to a new plot world coordinate. A NULL pointer  means that no transform is applied. 
.TP
\fIcoordinate_transform_data\fP (PLPointer, input) 
Optional extra data for \fIcoordinate_transform\fP. 

.SH AUTHORS
Many developers (who are credited at http://plplot.sourceforge.net/credits.php)
have contributed to PLplot over its long history.
.SH SEE ALSO
PLplot documentation at http://plplot.sourceforge.net/documentation.php.
