# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content

:geometry, plot, curve, 2D curve, polar curve, polar,
polar coordinates, polar system,
polar curve plot, plot polar curve,
curve 2D, 2D curve, graph, graphing

:module, tool/geometry/animtrace.en
cmd, new
size, 650x480
type, explicit2D
coord, polar
set_border, 1
set_zeroaxis, 0
set_grid, 0
set_tics, 0
set_transparent, 0
xsize, 300
ysize, 300

:, Plot Polar Curve

:<TD VALIGN=TOP ALIGN=LEFT>
 $submit1
 <TD NOWRAP style="text-align:center;">r = 
 <INPUT NAME="r1" TYPE="text" SIZE=45 VALUE="1 - sin(t)">
 <TR><TD NOWRAP COLSPAN=2>
 (t is the polar angle.)
 <TR><TD COLSPAN=2 NOWRAP>
 Plot range: t from
 <INPUT SIZE=6 NAME=tleft VALUE=0> to
 <INPUT SIZE=6 NAME=tright VALUE=2pi> ,
 <TR><TD COLSPAN=2 NOWRAP>x from
 <INPUT SIZE=6 NAME=xleft> to
 <INPUT SIZE=6 NAME=xright> ,
 &nbsp; y from
 <INPUT SIZE=6 NAME=yleft> to
 <INPUT SIZE=6 NAME=yright> .
