複数の選択条件を指定すると、AutoCAD はそれぞれのすべての条件を満たすオブジェクトだけを選択します。他の方法で条件を設定することもできます。数値項目では、関係演算を指定できます(たとえば、円の半径は、5.0 以上のものを選択)。また、すべての項目で論理演算を指定できます(たとえば、Text または MText オブジェクトを選択)。
選択フィルタの関係演算子を指定するには、DXF コード -4 または定数 DxfCode.Operator を使用します。演算子は文字列として表されます。利用可能な関係演算子を次の表に示します。
|
選択セット フィルタ リストの関係演算子 |
|
|---|---|
|
operator |
説 明 |
|
"*" |
すべてのもの(常に真) |
|
"=" |
等しい |
|
"!=" |
等しくない |
|
"/=" |
等しくない |
|
"<>" |
等しくない |
|
"<" |
より小さい |
|
"<=" |
より小さいか等しい |
|
">" |
より大きい |
|
">=" |
より大きいか等しい |
|
"&" |
ビット方式の AND(整数グループのみ) |
|
"&=" |
ビット方式のマスクが等しい(整数グループのみ) |
選択フィルタの中の論理演算子も、グループ コード -4 または定数 DxfCode.Operator で表し、演算子は文字列です。演算子は必ず対で指定します。論理演算の開始を表す演算子は、始めに小なり記号(<)を伴い、論理演算の終了を表す演算子は、終わりに大なり記号(>)を伴います。次の表は、選択セットのフィルタ処理の中で現れる論理演算子の一覧です。
|
選択セット フィルタ リストの論理演算子 |
||
|---|---|---|
|
開始演算子 |
囲むことのできるオペランドの数 |
終了演算子 |
|
"<AND" |
1 つ以上のオペランド |
"AND>" |
|
"<OR" |
1 つ以上のオペランド |
"OR>" |
|
"<XOR" |
2 つのオペランド |
"XOR>" |
|
"<NOT" |
1 つのオペランド |
"NOT>" |
次の例は、半径が 5.0 以上の円を選択します。
Imports Autodesk.AutoCAD.Runtime
Imports Autodesk.AutoCAD.ApplicationServices
Imports Autodesk.AutoCAD.DatabaseServices
Imports Autodesk.AutoCAD.EditorInput
<CommandMethod("FilterRelational")> _
Public Sub FilterRelational()
'' Get the current document editor
Dim acDocEd As Editor = Application.DocumentManager.MdiActiveDocument.Editor
'' Create a TypedValue array to define the filter criteria
Dim acTypValAr(2) As TypedValue
acTypValAr.SetValue(New TypedValue(DxfCode.Start, "CIRCLE"), 0)
acTypValAr.SetValue(New TypedValue(DxfCode.Operator, ">="), 1)
acTypValAr.SetValue(New TypedValue(40, 5), 2)
'' Assign the filter criteria to a SelectionFilter object
Dim acSelFtr As SelectionFilter = New SelectionFilter(acTypValAr)
'' Request for objects to be selected in the drawing area
Dim acSSPrompt As PromptSelectionResult
acSSPrompt = acDocEd.GetSelection(acSelFtr)
'' If the prompt status is OK, objects were selected
If acSSPrompt.Status = PromptStatus.OK Then
Dim acSSet As SelectionSet = acSSPrompt.Value
Application.ShowAlertDialog("Number of objects selected: " & _
acSSet.Count.ToString())
Else
Application.ShowAlertDialog("Number of objects selected: 0")
End If
End Sub
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.EditorInput;
[CommandMethod("FilterRelational")]
public static void FilterRelational()
{
// Get the current document editor
Editor acDocEd = Application.DocumentManager.MdiActiveDocument.Editor;
// Create a TypedValue array to define the filter criteria
TypedValue[] acTypValAr = new TypedValue[3];
acTypValAr.SetValue(new TypedValue((int)DxfCode.Start, "CIRCLE"), 0);
acTypValAr.SetValue(new TypedValue((int)DxfCode.Operator, ">="), 1);
acTypValAr.SetValue(new TypedValue(40, 5), 2);
// Assign the filter criteria to a SelectionFilter object
SelectionFilter acSelFtr = new SelectionFilter(acTypValAr);
// 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("Number of objects selected: " +
acSSet.Count.ToString());
}
else
{
Application.ShowAlertDialog("Number of objects selected: 0");
}
}
Sub FilterRelational()
Dim sset As AcadSelectionSet
Dim FilterType(2) As Integer
Dim FilterData(2) As Variant
Set sset = ThisDrawing.SelectionSets.Add("SS1")
FilterType(0) = 0: FilterData(0) = "Circle"
FilterType(1) = -4: FilterData(1) = ">="
FilterType(2) = 40: FilterData(2) = 5#
sset.SelectOnScreen FilterType, FilterData
MsgBox "Number of objects selected: " & sset.Count
' Remove the selection set at the end
sset.Delete
End Sub
次の例は、Text と MText オブジェクトのいずれかを選択するものです。
Imports Autodesk.AutoCAD.Runtime
Imports Autodesk.AutoCAD.ApplicationServices
Imports Autodesk.AutoCAD.DatabaseServices
Imports Autodesk.AutoCAD.EditorInput
<CommandMethod("FilterForText")> _
Public Sub FilterForText()
'' Get the current document editor
Dim acDocEd As Editor = Application.DocumentManager.MdiActiveDocument.Editor
'' Create a TypedValue array to define the filter criteria
Dim acTypValAr(3) As TypedValue
acTypValAr.SetValue(New TypedValue(DxfCode.Operator, "<or"), 0)
acTypValAr.SetValue(New TypedValue(DxfCode.Start, "TEXT"), 1)
acTypValAr.SetValue(New TypedValue(DxfCode.Start, "MTEXT"), 2)
acTypValAr.SetValue(New TypedValue(DxfCode.Operator, "or>"), 3)
'' Assign the filter criteria to a SelectionFilter object
Dim acSelFtr As SelectionFilter = New SelectionFilter(acTypValAr)
'' Request for objects to be selected in the drawing area
Dim acSSPrompt As PromptSelectionResult
acSSPrompt = acDocEd.GetSelection(acSelFtr)
'' If the prompt status is OK, objects were selected
If acSSPrompt.Status = PromptStatus.OK Then
Dim acSSet As SelectionSet = acSSPrompt.Value
Application.ShowAlertDialog("Number of objects selected: " & _
acSSet.Count.ToString())
Else
Application.ShowAlertDialog("Number of objects selected: 0")
End If
End Sub
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.EditorInput;
[CommandMethod("FilterForText")]
public static void FilterForText()
{
// Get the current document editor
Editor acDocEd = Application.DocumentManager.MdiActiveDocument.Editor;
// Create a TypedValue array to define the filter criteria
TypedValue[] acTypValAr = new TypedValue[4];
acTypValAr.SetValue(new TypedValue((int)DxfCode.Operator, "<or"), 0);
acTypValAr.SetValue(new TypedValue((int)DxfCode.Start, "TEXT"), 1);
acTypValAr.SetValue(new TypedValue((int)DxfCode.Start, "MTEXT"), 2);
acTypValAr.SetValue(new TypedValue((int)DxfCode.Operator, "or>"), 3);
// Assign the filter criteria to a SelectionFilter object
SelectionFilter acSelFtr = new SelectionFilter(acTypValAr);
// 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("Number of objects selected: " +
acSSet.Count.ToString());
}
else
{
Application.ShowAlertDialog("Number of objects selected: 0");
}
}
Sub FilterForText()
Dim sset As AcadSelectionSet
Dim FilterType(3) As Integer
Dim FilterData(3) As Variant
Set sset = ThisDrawing.SelectionSets.Add("SS1")
FilterType(0) = -4: FilterData(0) = "<or"
FilterType(1) = 0: FilterData(1) = "TEXT"
FilterType(2) = 0: FilterData(2) = "MTEXT"
FilterType(3) = -4: FilterData(3) = "or>"
sset.SelectOnScreen FilterType, FilterData
MsgBox "Number of objects selected: " & sset.Count
' Remove the selection set at the end
sset.Delete
End Sub