Criar retângulo como polilinhas e preenchê-lo com hachura
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]Como criar retângulo como polilinhas e preenchê-lo com hachura
Problema: Como criar retângulo como polilinhas e preenchê-lo com hachura (CADNET-1351).
Dicas: Para fazer isso, crie um CadLwPolyline e adicione coordenadas de ponto a ele, use CadHatch para trabalhar com a cor e use CadEdgeBoundaryPath para conectar, use CadHatch para trabalhar com ângulos e CadHatchPatternData para o padrão.
Exemplo:
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CadLwPolyline polyline = new CadLwPolyline(); | |
polyline.Coordinates = new List<Cad2DPoint>(); | |
polyline.Coordinates.Add(new Cad2DPoint(-5d, -5d)); | |
polyline.Coordinates.Add(new Cad2DPoint(-5d, 10d)); | |
polyline.Coordinates.Add(new Cad2DPoint(20d, 10d)); | |
polyline.Coordinates.Add(new Cad2DPoint(20d, -5d)); | |
polyline.Flag = CadLwPolylineFlag.Closed; | |
polyline.ConstantWidth = 0.1; | |
CadHatch hatch = new CadHatch(); | |
hatch.PatternName = "SOLID"; | |
hatch.ColorId = 1; // index of color: https://gohtx.com/acadcolors.php | |
hatch.HatchPatternType = 1; // 0 = User-defined; 1 = Predefined; 2 = Custom, we support only predefined now | |
hatch.BoundaryPaths = new List<CadHatchBoundaryPathContainer>(); | |
CadHatchBoundaryPathContainer container = new CadHatchBoundaryPathContainer(); | |
container.BoundaryPath = new List<ICadBoundaryPath>(); | |
CadEdgeBoundaryPath path = new CadEdgeBoundaryPath(); | |
path.Objects = new List<ICadBoundaryPathEntity>(); | |
path.Objects.Add(new CadBoundaryPathLine() { FirstPoint = new Point2D(-5, -5), SecondPoint = new Point2D(-5, 10) }); | |
path.Objects.Add(new CadBoundaryPathLine() { FirstPoint = new Point2D(-5, 10), SecondPoint = new Point2D(20, 10) }); | |
path.Objects.Add(new CadBoundaryPathLine() { FirstPoint = new Point2D(20, 10), SecondPoint = new Point2D(20, -5) }); | |
path.Objects.Add(new CadBoundaryPathLine() { FirstPoint = new Point2D(20, -5), SecondPoint = new Point2D(-5, -5) }); | |
container.BoundaryPath.Add(path); | |
hatch.BoundaryPaths.Add(container); | |
List<CadBaseEntity> entities = new List<CadBaseEntity>(); | |
entities.Add(polyline); | |
entities.Add(hatch); | |
cadImage.Entities = entities.ToArray(); | |
cadImage.UpdateSize(); | |
CadHatch hatch = new CadHatch(); | |
hatch.PatternName = "ANGLE"; // only known values are available here | |
hatch.ColorId = 1; | |
hatch.HatchPatternType = 1; // | |
hatch.BoundaryPaths = new List<CadHatchBoundaryPathContainer>(); | |
CadHatchBoundaryPathContainer container = new CadHatchBoundaryPathContainer(); | |
container.BoundaryPath = new List<ICadBoundaryPath>(); | |
CadEdgeBoundaryPath path = new CadEdgeBoundaryPath(); | |
path.Objects = new List<ICadBoundaryPathEntity>(); | |
path.Objects.Add(new CadBoundaryPathLine(){FirstPoint = new Point2D(-5, -5), SecondPoint = new Point2D(-5,10)}); | |
path.Objects.Add(new CadBoundaryPathLine() { FirstPoint = new Point2D(-5, 10), SecondPoint = new Point2D(20, 10) }); | |
path.Objects.Add(new CadBoundaryPathLine() { FirstPoint = new Point2D(20, 10), SecondPoint = new Point2D(20, -5) }); | |
path.Objects.Add(new CadBoundaryPathLine() { FirstPoint = new Point2D(20, -5), SecondPoint = new Point2D(-5, -5) }); | |
container.BoundaryPath.Add(path); | |
hatch.BoundaryPaths.Add(container); | |
hatch.PatternDefinitions = new List<CadHatchPatternData>(); | |
CadHatchPatternData data1 = new CadHatchPatternData(); | |
data1.LineBasePoint = new Cad3DPoint(); | |
data1.DashLengths = new List<double>(); | |
data1.DashLengths.Add(4); | |
data1.DashLengths.Add(1.5); | |
data1.DashLengthCount = (short)data1.DashLengths.Count; | |
data1.LineOffset = new Cad2DPoint(0d, 5.5d); | |
CadHatchPatternData data2 = new CadHatchPatternData(); | |
data2.LineBasePoint = new Cad3DPoint(); | |
data2.DashLengths = new List<double>(); | |
data2.DashLengths.Add(4); | |
data2.DashLengths.Add(-1.5); | |
data2.LineAngle = 90; | |
data2.DashLengthCount = (short)data2.DashLengths.Count; | |
data2.LineOffset = new Cad2DPoint(-5.5d, 0d); | |
hatch.PatternDefinitions.Add(data1); | |
hatch.PatternDefinitions.Add(data2); | |
hatch.NumberOfPatternDefinitions = (short)hatch.PatternDefinitions.Count; | |
List<CadBaseEntity> entities = new List<CadBaseEntity>(); | |
entities.Add(polyline); | |
entities.Add(hatch); | |
cadImage.Entities = entities.ToArray(); | |
cadImage.UpdateSize(); |