How to make a hollow node with PointSymbol=o?
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documentclass[12pt,border=5pt]{standalone} usepackage{newcent,pstricks,pst-eucl,amsmath,amssymb} usepackage{auto-pst-pdf} begin{document} begin{pspicture} psset{PointSymbol=o} pstGeonode[PointName=none,PointSymbol=none](2,4){A}(0,0){B}(6,0){C} pstCircleABC[PosAngle=180]{A}{B}{C}{O} pstGeonode[PosAngle=60](10,2){M} pstMiddleAB[PointName=none,PointSymbol=none]{O}{M}{M'} pstInterCC[DiameterB=pstDistAB{O}{M},PosAngleA=45,PosAngleB=-45]{O}{A}{M'}{}{D}{E} {psset{nodesepB=-1} pstLineAB{M}{D} pstLineAB{M}{E}} ncLine{O}{D} ncLine{O}{E} pstInterLL[PointSymbol=none,PosAngle=50,PointNameSep=.55]{O}{M}{D}{E}{H} pstRightAngle[RightAngleSize=.2]{D}{H}{M} ncLine{O}{M} ncLine{D}{E} end{pspicture} end{document} It produces the following. But I want to have the following result.
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