Dynamic PEN Width in GRAPHREP

Dynamic PEN Width in GRAPHREP	匿名	19/01/09 13:51
RE: Dynamic PEN Width in GRAPHREP	Wilfrid Utz	13/06/21 4:48

匿名	Dynamic PEN Width in GRAPHREP community graphrep documentation 答え 19/01/09 13:51 Some students discovered that in the GRAPHREP of relations under ADOxx 1.3 it does not seem possible to dynamically change the width of lines. This is illustrated in the following code: when changing the value of variable "wi" there is no effect on the graphical representation, although the PEN statement should influence the width of the following line. 1START 2SET wi:5cm 3PEN color:black w: ((wi)) 4LINE x1:0.1cm y1:0.5cm x2:1cm y2:2cm Are we doing this right way? (we also tried to use an eval expression instead but it did not help either)
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Wilfrid Utz Moderator ランク: Senior Member 投稿: 178 参加年月日: 13/01/30 最近の投稿	RE: Dynamic PEN Width in GRAPHREP 答え 13/06/21 4:48 匿名へのコメント Currently ADOxx expects a concrete numeric value by the specification of the PEN element, setting these dynamically is not possible. A dynamic view can be implemented using IF ELSE statements and set the PEN for each case. From the specification of GRAPHREP syntax the following applies 1PEN [ style: PenStyle ] [ w: width ] ... In this case a width value is expected. 1RECTANGLE [ x: xposExpr ] [ y: yposExpr ] [ w: widthExpr ] [ h: heightExpr ] In this case a width expression is expected. We will further investigate this issue and analyse if a change of the behaviour is feasible for the next platform release.
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