% OPNML/MATLAB5 routines not specifically related to FEM grid structures.
% Version 3.0
% 24 July, 1998
%
% These are functions that are not directly related to FEM grids.
%
% AP_TO_RI_DEG   convert amplitude/phase(deg) vectors to real/imaginary.
% AP_TO_RI_RAD   convert amplitude/phase(rad) vectors to real/imaginary.
% BLANK          delete leading/trailing whitespace
% CIRCLES  plot  circles at optionally input centers with required input radii.
% CONTEXT_MENUS  script to create context menus
% ELLIPSE plot  ellipse given center, major/minor axes, orientation, etc. 
% ELLIPSE_EAST  plot ellipse given center, major/minor axes, orientation, etc. 
% ELLSCALE      draw a speed scale on an ellipse plot 
% GCP           get current point on current axes and current figure.
% GEN_DROG_GRID mouse-driven drogue input coordinate generator
% GEN_DROG_LINE mouse-driven drogue input coordinate generator
% ISDIR	        test to see if a directory exists
% ISINT         determine if input matrix is integers
% MARKCCW       mark Counter Clockwise oriented ellipses with *'s at centers
% MOVETEXT      grab and move text objects in the current axes
% NUMSCAL       label scalar (Q) values at x,y locations on current axes.
% PAN	        mouse-driven pan-around facility.   
% RI_TO_AP_DEG  convert real/imaginary vectors to amplitude/phase(deg)
% RI_TO_AP_RAD  convert real/imaginary vectors to amplitude/phase(rad)
% STRETCHBOX    create a box and stretch it following the mouse
% STRETCHLINE   create a line and stretch it following the mouse
% STRETCHLINE   create a line and stretch it following the mouse
% WYSIWYG       force printed output to be more like what one sees on screen