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Text3dクラスとTextEntityクラスとで、DrawViewportWires内での描画、及び、Bakeした際のふるまいについての比較
using System;
using System.Collections;
using System.Collections.Generic;
using Rhino;
using Rhino.Geometry;
using Grasshopper;
using Grasshopper.Kernel;
using Grasshopper.Kernel.Data;
using Grasshopper.Kernel.Types;
using Rhino.Display;
using Rhino.DocObjects;
using System.Drawing;
/// <summary>
/// This class will be instantiated on demand by the Script component.
/// </summary>
public class Script_Instance : GH_ScriptInstance
{
#region Utility functions
/// <summary>Print a String to the [Out] Parameter of the Script component.</summary>
/// <param name="text">String to print.</param>
private void Print(string text) { /* Implementation hidden. */ }
/// <summary>Print a formatted String to the [Out] Parameter of the Script component.</summary>
/// <param name="format">String format.</param>
/// <param name="args">Formatting parameters.</param>
private void Print(string format, params object[] args) { /* Implementation hidden. */ }
/// <summary>Print useful information about an object instance to the [Out] Parameter of the Script component. </summary>
/// <param name="obj">Object instance to parse.</param>
private void Reflect(object obj) { /* Implementation hidden. */ }
/// <summary>Print the signatures of all the overloads of a specific method to the [Out] Parameter of the Script component. </summary>
/// <param name="obj">Object instance to parse.</param>
private void Reflect(object obj, string method_name) { /* Implementation hidden. */ }
#endregion
#region Members
/// <summary>Gets the current Rhino document.</summary>
private readonly RhinoDoc RhinoDocument;
/// <summary>Gets the Grasshopper document that owns this script.</summary>
private readonly GH_Document GrasshopperDocument;
/// <summary>Gets the Grasshopper script component that owns this script.</summary>
private readonly IGH_Component Component;
/// <summary>
/// Gets the current iteration count. The first call to RunScript() is associated with Iteration==0.
/// Any subsequent call within the same solution will increment the Iteration count.
/// </summary>
private readonly int Iteration;
#endregion
/// <summary>
/// This procedure contains the user code. Input parameters are provided as regular arguments,
/// Output parameters as ref arguments. You don't have to assign output parameters,
/// they will have a default value.
/// </summary>
private void RunScript(bool bake, ref object A)
{
//Text描画の基準面をそれぞれ作っておく。
Plane txt3dPln = new Plane(new Point3d(0, 300, 0), Vector3d.ZAxis);
Plane txtEntityPln = new Plane(new Point3d(600, 300, 0), Vector3d.ZAxis);
//出力して表示するためのList。
List<Plane> plnList = new List<Plane>();
plnList.Add(txt3dPln);
plnList.Add(txtEntityPln);
//Text3dの場合はnewしてオブジェクトを作る。寸法スタイルを設定しなくていいので楽ではある。
txt3d = new Text3d("TextTest\nText3d", txt3dPln, 80);
//Text3dはDimensionStyleで定義されないので、位置合わせが扱い易い。
//しかし、改行したテキストの場合、位置合わせ次第ではGH上の描画がうまくいかないバグがあるので注意が必要。
txt3d.HorizontalAlignment = TextHorizontalAlignment.Center;
txt3d.VerticalAlignment = TextVerticalAlignment.Bottom;
//TextEntityの場合は寸法スタイルを設定する必要がある。
DimensionStyle dimStyle = this.FindDimStyleByName("dim_GH-Bake");
//TextEntityはStaticメソッドを呼び出してオブジェクトを作る。
txtEntity = TextEntity.Create(
"TextTest\nTextEntity", txtEntityPln, dimStyle, false, 0, 0);
//TextEntityの位置合わせをしてもGH上の描画には反映されない。そうしたい場合は、寸法スタイルを変更する必要がある。
//Bakeした時には、この設定が寸法スタイルに上書かれて反映される。
txtEntity.Justification = Rhino.Geometry.TextJustification.BottomCenter;
//Bakeするやつ。
if(bake)
{
RhinoDoc.ActiveDoc.Objects.AddText(txt3d);
RhinoDoc.ActiveDoc.Objects.AddText(txtEntity);
}
A = plnList;
}
// <Custom additional code>
//Text3dはRhino.Display Namespace、TextEntityはRhino.Geometry Namespaceと違いがあります。
//理解のために、あえて頭から書いているけど、usingで書いていれば省略可能です。
Rhino.Display.Text3d txt3d;
Rhino.Geometry.TextEntity txtEntity;
//Return a BoundingBox that contains all the geometry you are about to draw.
public override BoundingBox ClippingBox
{
get
{
return BoundingBox.Empty;
}
}
//Draw all wires and points in this method.
public override void DrawViewportWires(IGH_PreviewArgs args)
{
//Text3dを描画。改行したテキストを扱うと位置合わせ次第で正常に表示されないバグがある。
args.Display.Draw3dText(txt3d, Color.Red);
//TextEntityを描画。
args.Display.DrawText(txtEntity, Color.Blue);
}
public DimensionStyle FindDimStyleByName(string dimStyleName)
{
DimensionStyle dimStyle = doc.DimStyles.FindName(dimStyleName);
if(dimStyle == null)
{
//指定した名前のDimensionStyleがなかった場合は新規作成する。
DimensionStyle newDimStyle = new DimensionStyle();
//DimensionStyleのプロパティについては下記説明とほぼ同じ単語なので参照
//https://docs.mcneel.com/rhino/6/help/es-es/documentproperties/dimensions_style.htm
newDimStyle.LengthResolution = 1;
newDimStyle.AngleResolution = 2;
newDimStyle.TextHeight = 80;
newDimStyle.TextGap = 20;
newDimStyle.ExtensionLineExtension = 0;
newDimStyle.ExtensionLineOffset = 10;
newDimStyle.CentermarkSize = 30;
newDimStyle.ArrowType1 = DimensionStyle.ArrowType.Dot;
newDimStyle.ArrowType2 = DimensionStyle.ArrowType.Dot;
newDimStyle.ArrowLength = 40;
newDimStyle.LeaderArrowType = DimensionStyle.ArrowType.Dot;
newDimStyle.LeaderArrowLength = 40;
//newDimStyle.TextVerticalAlignment = TextVerticalAlignment.Bottom;
//newDimStyle.TextHorizontalAlignment = TextHorizontalAlignment.Center;
newDimStyle.Name = dimStyleName;
newDimStyle.Index = doc.DimStyles.Add(newDimStyle, false);
return newDimStyle;
}
else
{
//DimensionStyleに名前があった場合はそのStyleを返す。
return dimStyle;
}
}
// </Custom additional code>
}
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