C# 視口刷標註線型比例的刷子
本帖最后由 箭头_Row 于 2023-10-30 01:03 编辑以下是一個CAD佈局中選擇視口，將視口比例附著給標註線形比例的程序：
大致編程思路：
[*]第一步：輸入調試命令：mydemo
[*]第二步：在佈局中選擇視口。
[*]第三步：框選過濾出標註，并將視口比例附給標註線形比例。
還有一些BUG需要修改，就是多加兩個判斷：
[*]判斷當前空間是否為圖紙空間。
[*]判斷是否在視口外。
以上兩個判斷目前還沒測試。
以上問題均已解決，源碼詳見三樓：有些無用代碼未作刪除，請自行整理。
using System;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.EditorInput;
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.DatabaseServices;
namespace ArrowTools
{
public class Demo
{
public static double ar_ViewportCustomScale()
{
// Get the current document and database
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
// Get the current document
Editor acDocEd = acDoc.Editor;
PromptEntityResult acSSPrompt = acDocEd.GetEntity("选择视口");
double acScale;//用于存储提取的视口比例值
acScale = 0;
// If the prompt status is OK, objects were selected
if (acSSPrompt.Status == PromptStatus.OK)
{
ObjectId acSSet = acSSPrompt.ObjectId;
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
Entity acEnt = acTrans.GetObject(acSSet,
OpenMode.ForRead) as Entity;
//Application.ShowAlertDialog("选择实体的类别: " + acEnt.GetType().Name + "\n"
// //+ "选择实体的图层: " + acEnt.Layer.ToString() + "\n"
// //+ "选择实体的颜色: " + acEnt.Color.ToString()
// + "选择实体的ID: " + acEnt.ObjectId);
if (acEnt.GetType().Name == "Viewport")
{
Viewport acVport;
acVport = acTrans.GetObject(acEnt.ObjectId, OpenMode.ForRead) as Viewport;
//double rounded = Math.Round(acVport.CustomScale, 9);
double UnroundedacScale;
UnroundedacScale = 1 / acVport.CustomScale;
acScale = Math.Round(UnroundedacScale, 14);
Application.ShowAlertDialog("视口比例: " + acScale + "\n"
+ "视口中心: " + acVport.CenterPoint + "\n"
//+ "视口长度: " + acVport.Width + "\n"
//+ "视口宽度: " + acVport.Height + "\n"
+ "是否锁定: " + acVport.Locked);
}
else
{
Application.ShowAlertDialog("必须选择视口，否则程序中止！！！！");
}
return acScale;
}
}
else
{
Application.ShowAlertDialog("须选择视口！");
return acScale;
}
}
public static void at_dim()
{
double acScale = ar_ViewportCustomScale();
if (acScale == 0)
{
Application.ShowAlertDialog("必须选择视口，程序已中止！！！！");
}
else if (acScale % 1 != 0)
{
Application.ShowAlertDialog("视口比例错误，检查视口比例！！！！");
}
else
{
// Get the current document and database
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
// Get the current document editor
Editor acDocEd = Application.DocumentManager.MdiActiveDocument.Editor;
// Create a TypedValue array to define the filter criteria
TypedValue[] acTypValAr = new TypedValue;
acTypValAr.SetValue(new TypedValue((int)DxfCode.Start, "DIMENSION"), 0);
// Assign the filter criteria to a SelectionFilter object
SelectionFilter acSelFtr = new SelectionFilter(acTypValAr);
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
// Request for objects to be selected in the drawing area
PromptSelectionResult acSSPrompt;
acSSPrompt = acDocEd.GetSelection(acSelFtr);
// If the prompt status is OK, objects were selected
if (acSSPrompt.Status == PromptStatus.OK)
{
SelectionSet acSSet = acSSPrompt.Value;
Application.ShowAlertDialog("选中对象数量: " +
acSSet.Count.ToString());
// Step through the objects in the selection set
foreach (SelectedObject acSSObj in acSSet)
{
// Check to make sure a valid SelectedObject object was returned
if (acSSObj != null)
{
// Open the selected object for write
Dimension acDim;
acDim = acTrans.GetObject(acSSObj.ObjectId, OpenMode.ForWrite) as Dimension;
//Application.ShowAlertDialog("标注比例: " + acDim.Dimscale + "\n"
// + "标注线形比例: " + acDim.Dimlfac + "\n"
// + "标注样式: " + acDim.DimensionStyleName + "\n"/* + "+" + acDim.Annotative + "+" + acDim.IsModified */
// + "标注图层和颜色: " + acDim.Layer.ToString() + "+" + acDim.ColorIndex.ToString()
// );
// Change the object's 属性
acDim.ColorIndex = 0;
acDim.Dimscale = 1;
acDim.Dimlfac = acScale;
}
}
// Save the new object to the database
acTrans.Commit();
}
else
{
Application.ShowAlertDialog("Number of objects selected: 0");
}
}
}
}
}
}
厉害了我的哥 本帖最后由 箭头_Row 于 2023-12-12 03:11 编辑
文件一名稱：Viewport.cs
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.EditorInput;
using Autodesk.AutoCAD.Runtime;
namespace ArrowTools
{
public static partial class Viewport
{
/// <summary>
///功能一：布局中选择视口将比例附着给标注。
///功能二：设置标注比例：(DIMSCALE：DIMLFAC=1：{acScale}。
/// </summary>
public static void acViewportScaleToDim()
{
// Get the current document and database
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
// Get the current document editor
Editor acDocEd = Application.DocumentManager.MdiActiveDocument.Editor;
////定义当前活动Space
//string acSpace;
//acSpace = Tools.acSpaceName();
//if (acSpace == "*Model_Space")
//{
// Tools.SetFirstLayoutAsCurrent();
//}
//else
//{
//}
//定义当前活动acLayout
string acLayout = Tools.acLayoutName();
//判断活动空间是否为模型空间
if (acLayout == "Model")
{
Tools.SetFirstLayoutAsCurrent();
}
else
{
//执行命令ps,将鼠标切换至视口外
//acDocEd.Command("PSPACE");
acDocEd.SwitchToPaperSpace();//执行命令SwitchToPaperSpace(),将鼠标切换至视口外
}
//定义当前视绘图比例
double acScale;
acScale = Tools.acViewportCustomScale();
//判断当前绘图比例的值
if (acScale == 0)
{
//Application.ShowAlertDialog("必须选择视口，程序已中止！！！！");
}
else if (acScale % 5 == 0 || acScale == 1 || acScale == 2 || acScale == 3 || acScale == 5 || acScale == 6 || acScale == 8)
{
Tools.acScaleToDim(acScale);
// Set system variable to new value
Application.SetSystemVariable("DIMLFAC", acScale);
Application.SetSystemVariable("DIMSCALE", 1);
// 命令行提示
Application.ShowAlertDialog($"标注比例已修改:(DIMSCALE：DIMLFAC = 1:{acScale})");
}
else
{
Application.ShowAlertDialog("视口比例错误(非整数)，检查视口比例！！！！");
}
}
}
}
文件二名稱：Tools.cs
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.EditorInput;
using System;
namespace ArrowTools
{
public static partial class Tools
{
/// <summary>
/// 执行：拾起视口 "acScale"
/// </summary>
/// <returns></returns>
public static double acViewportCustomScale()
{
double acScale;//定义当前视口比例
acScale = 0;
// Get the current document and database
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
// Get the current document
Editor acDocEd = acDoc.Editor;
PromptEntityResult acSSPrompt = acDocEd.GetEntity("选择视口");
//判断是否选择了图元
if (acSSPrompt.Status == PromptStatus.OK)
{
ObjectId acSSet = acSSPrompt.ObjectId;
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
Entity acEnt = acTrans.GetObject(acSSet, OpenMode.ForRead) as Entity;
//判断选择的对象是否为视口
if (acEnt.GetType().Name == "Viewport")
{
Autodesk.AutoCAD.DatabaseServices.Viewport acVport;
acVport = acTrans.GetObject(acEnt.ObjectId, OpenMode.ForRead) as Autodesk.AutoCAD.DatabaseServices.Viewport;
//定义当前视口比例
double UnroundedacScale;
UnroundedacScale = 1 / acVport.CustomScale;
//取整当前视口比例，因为取倒数后计算存在偏差。
acScale = Math.Round(UnroundedacScale, 10);
Application.ShowAlertDialog("视口比例: " + acScale + " "
+ "是否锁定: " + acVport.Locked);
}
else
{
Application.ShowAlertDialog("必须选择视口，程序已经中止！！！！");
}
return acScale;
}
}
else
{
Application.ShowAlertDialog("必须选择视口！");
return acScale;
}
}
/// <summary>
/// 输入：视口比例
/// 执行：框选对象，将"acScale"附加给标注
/// </summary>
/// <param name="acScale"></param>
public static void acScaleToDim(double acScale)
{
// Get the current document and database
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
// Get the current document
Editor acDocEd = acDoc.Editor;
// Create a TypedValue array to define the filter criteria
TypedValue[] acTypValAr = new TypedValue;
acTypValAr.SetValue(new TypedValue((int)DxfCode.Start, "DIMENSION"), 0);
// Assign the filter criteria to a SelectionFilter object
SelectionFilter acSelFtr = new SelectionFilter(acTypValAr);
// 创建一个选择选项对象
PromptSelectionOptions acPSOptions = new PromptSelectionOptions();
acPSOptions.MessageForAdding = "选择对象(过滤条件:标注):";
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
// 调用GetSelection方法，并传递选择选项参数
PromptSelectionResult acSSPrompt;
//acSSPrompt = acDocEd.GetSelection(acSelFtr);
acSSPrompt = acDocEd.GetSelection(acPSOptions, acSelFtr);
// If the prompt status is OK, objects were selected
if (acSSPrompt.Status == PromptStatus.OK)
{
SelectionSet acSSet = acSSPrompt.Value;
Application.ShowAlertDialog("已修改标注属性数量: " +
acSSet.Count.ToString());
// Step through the objects in the selection set
foreach (SelectedObject acSSObj in acSSet)
{
// Check to make sure a valid SelectedObject object was returned
if (acSSObj != null)
{
// Open the selected object for write
Dimension acDim;
acDim = acTrans.GetObject(acSSObj.ObjectId, OpenMode.ForWrite) as Dimension;
//Application.ShowAlertDialog("标注比例: " + acDim.Dimscale + "\n"
// + "标注线形比例: " + acDim.Dimlfac + "\n"
// + "标注样式: " + acDim.DimensionStyleName + "\n"/* + "+" + acDim.Annotative + "+" + acDim.IsModified */
// + "标注图层和颜色: " + acDim.Layer.ToString() + "+" + acDim.ColorIndex.ToString()
// );
// 修改选择对象的属性：颜色、标注比例、线形比例
acDim.ColorIndex = 0;
acDim.Dimscale = 1;
acDim.Dimlfac = acScale;
}
}
// Save the new object to the database
acTrans.Commit();
}
else
{
Application.ShowAlertDialog("已修改标注属性数量: 0");
}
}
}
/// <summary>
/// 功能：活动空间切换至图纸的第一个布局空间
/// </summary>
public static void SetFirstLayoutAsCurrent()
{
// 获取当前文档和数据库
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
// Get the current document
Editor acDocEd = acDoc.Editor;
// 启动事务
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
// 获取布局字典
DBDictionary layoutDic = acTrans.GetObject(acCurDb.LayoutDictionaryId, OpenMode.ForRead) as DBDictionary;
// 定义要切换的布局空间的名称
string firstLayout = "";
// 遍历布局字典，找到第一个非模型空间的布局
foreach (DBDictionaryEntry entry in layoutDic)
{
if (entry.Key != "Model")
{
// 记录该布局的名称
firstLayout = entry.Key;
break;
}
}
// 如果找到了第一个非模型空间的布局，则切换至该布局空间
if (firstLayout != "")
{
// 获取布局管理器
LayoutManager acSpace = LayoutManager.Current;
// 切换至该布局空间
acSpace.CurrentLayout = firstLayout;
acDocEd.WriteMessage($"\n已切换至布局:{firstLayout}。");
}
else
{
// 提示用户不存在非模型空间的布局
acDocEd.WriteMessage("\n当前图纸不存在非模型空间的布局，请先创建至少一个布局。");
}
//提交事务
acTrans.Commit();
}
}
/// <summary>
/// 功能：读取当前空间名称
/// </summary>
/// <returns></returns>返回spaceName變量的值
public static string acSpaceName() // 修改返回類型為string
{
// Get the current document and database
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
// 獲取當前space的對象ID
ObjectId acSpaceId = acCurDb.CurrentSpaceId;
// 定義一個string變量，用於存儲space名稱
string acSpaceName = "";
// 開始一個事務
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
// Open the Block table record Model space for write
BlockTableRecord acBlkTblRec;
acBlkTblRec = acTrans.GetObject(acSpaceId,
OpenMode.ForWrite) as BlockTableRecord;
acSpaceName = acBlkTblRec.Name;
}
// 返回spaceName變量的值
return acSpaceName;
}
/// <summary>
/// 获取活动空间名称：布局或“Model”
/// </summary>
/// <returns></returns>活动空间名称
public static string acLayoutName()
{
// 獲取佈局管理器實例
LayoutManager acLM = LayoutManager.Current;
//当前布局名称
string acLayoutName = acLM.CurrentLayout;
return acLayoutName;
}
/// <summary>
/// 功能：先选择对象、再合并为多段线。
/// </summary>
/// <returns></returns>选择集
public static SelectionSet SelectedJoinToPolylines()
{
Document doc = Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Editor ed = doc.Editor;
// Prompt user to select polylines
PromptSelectionResult selectionResult = ed.GetSelection();
// Create a selection set from the user's selection
SelectionSet ss = selectionResult.Value;
if (selectionResult.Status != PromptStatus.OK || ss.Count == 1)
{
return null;
}
else
{
// Execute the JOIN command on the selected polylines
ed.Command("_JOIN", ss, "");
ed.WriteMessage($"{ss.Count} 个对象已转换为多段线.");
return ss;
}
}
}
}
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