petsc-3.12.1 2019-10-22
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# PetscDrawSetViewPort

Sets the portion of the window (page) to which draw routines will write.

### Synopsis

    #include "petscdraw.h"
    PetscErrorCode  PetscDrawSetViewPort(PetscDraw draw,PetscReal xl,PetscReal yl,PetscReal xr,PetscReal yr)

Collective on PetscDraw

### Input Parameters

| xl,yl,xr,yr | - upper right and lower left corners of subwindow These numbers must always be between 0.0 and 1.0. Lower left corner is (0,0).
| draw | - the drawing context

### Level

advanced

### Location

src/sys/classes/draw/interface/dviewp.c
Index of all Draw routines
Table of Contents for all manual pages
Index of all manual pages