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Mathematica Geometry Graphics and Visualization Wolfram Language

Avoid issue while using RegionPlot?

Posted 6 years ago

My simple code o1 = Rectangle[{0, 0}, {3, 2}]; o2 = Disk[{3, 1}, 0.5]; o = RegionDifference[o1, o2]; RegionPlot[o, PlotRange -> Full] DiscretizeRegion[o] Produces this strange output. It seems to me, that the RegionPlot output is not OK, beacuse the shape of the region is different. Function DiscretizeRegion works as expected..

POSTED BY: Tomáš Hruš

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Posted 6 years ago

Try with an explicit `PlotRange`: RegionPlot[ RegionDifference[Rectangle[{0, 0}, {3, 2}], Disk[{3, 1}, 1/2]], PlotRange -> {{-1, 4}, {-1, 4}}]

POSTED BY: Gianluca Gorni

Posted 6 years ago

My mistake! The problem is only in the PlotRange parameter. In former version of Mathematica, teh full region was visible vithout explicit PlotRange specification, now it is necessary to specify propper PlotRange. Thanks!