<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> The sub-optimal rendering of the complete ring is a bit slow but it is expected. With imageForm 0:00:00:01.409 Without imageForm 0:00:00:01.266 <img moz-do-not-send="false" src="cid:part1.A4C93DCD.C17262EA@drgeo.eu" alt="" width="480" height="476"> <pre>| c p center draw | "Feature require: 'VectorGraphics'." c _ VectorCanvas onForm: Display. center _ 1300@400. draw _ [: angle | c strokeWidth: 3 color: Color blue darker fillColor: (Color blue lighter alpha:0.6) do: [ :e | p _ (Point r: 140 degrees: 80 + angle) * (1@ -1) + center. e abs_MoveToX: p x y: p y. p _ (Point r: 200 degrees: 80 + angle ) * (1@ -1) + center. e abs_LineToX: p x y: p y. p _ (Point r: 200 degrees: 100 + angle) * (1@ -1) + center. e abs_ArcToX: p x y: p y radiusX: 200 radiusY: 200 angleOfXAxis: 20 degreesToRadians largeFlag: false sweepFlag: false. p _ (Point r: 140 degrees: 100 + angle ) * (1@ -1) + center. e abs_LineToX: p x y: p y. p _ (Point r: 140 degrees: 80 + angle) * (1@ -1) + center. e abs_ArcToX: p x y: p y radiusX: 140 radiusY: 140 angleOfXAxis: 20 degreesToRadians largeFlag: false sweepFlag: true]. Display forceToScreen. p _ (Point r: 170 degrees: 90 + angle) * (1@ -1) + center - 24 asPoint. DrGIcons line displayOn: Display at: p rule: Form blend]. [0 to: 20 * 17 by: 20 do: [:each | draw value: each]] durationToRun </pre> <pre class="moz-signature" cols="72">-- GNU Dr. Geo <a class="moz-txt-link-freetext" href="http://drgeo.eu">http://drgeo.eu</a></pre> </body> </html>