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[1021c]%!PS-Adobe-2.0 EPSF-2.0
%%Title:Gear9.eps
%%Creator: Kevin Brain (ksbrain@zeus.UWaterloo.ca)
%%CreationDate: Thursday June 11 1992
%%Pages: 0 1
%%BoundingBox: 0 0 100 100 
%%EndComments
% eps drawing of a gear for Diagram palette
/gears 9 store
/orad 50 store	% outer radius of gear
/irad 25 store		% inner radius of gear
/iang {180 gears div} store	% inner angle
% sides of the teeth are computed to be parallel to a line drawn
% from the centre of the gear to the center of the tooth
% (involves cosine law...)
/mess { irad 2 exp orad 2 exp sub irad 2 exp iang cos mul sub
	orad 2 exp neg div}  store
/oang {1 mess 2 exp sub sqrt mess div 1 atan} def
/diffby2 {iang oang sub 2 div } def
orad orad translate
%mess 1 lt  mess 0 gt and {0 -15 moveto (in range) show}  {0 -15 moveto (out of range) show} ifelse
irad 0 moveto
1 1 gears {
pop				% we don't use the value from the for
0 0 orad diffby2 dup oang add arc
%0 0 orad 0 iang arc
0 0 irad iang dup 2 mul arc
iang 2 mul rotate
} for
%0 0 moveto
%(done) show