列文章目录

UG/NX二次开发Siemens官方NXOPEN实例解析—2.1 AssemblyViewer

UG/NX二次开发Siemens官方NXOPEN实例解析—2.2 Selection

UG/NX二次开发Siemens官方NXOPEN实例解析—2.3 Selection_UIStyler

列文章目录

文章目录

前言

一、知识点提取

二、案例需求分析

三、程序分析

总结

前言

随着工业智能化的不断发展，UG二次开发的需求越来越多，也吸引了大批的二开从业人员，本人作为一名资深IT从业者（10年+）也毅然加入二次开发大军。

然而，和流行IT行业（互联网、金融、医疗等）相比，工业智能化的门槛显得更高一点，专业的工业软件，相对封闭的开发理念和更小的开发圈子，让刚进入二开的从业者有点举步维艰。边学边整理，希望通过这系列文章的整理能给二开的生态增添一叶绿。

一、知识点提取

本案例主要实现了对边的倒角功能，主要知识点如下：

1）选择边功能的实现

2）执行边倒角操作

二、案例需求分析

1、效果图

2、需求分解

1）选择边功能的实现

2）执行边倒角操作

三、程序分析

1、源码所在目录

UGOPEN\SampleNXOpenApplications\C++\Selection_UIStyler

2、主要功能分析

1）选择边功能的实现

// Get the selection handle
SelectionHandle selectH;
selectH = changeDialog.GetSelectionHandle();
NXOpen.Selection.MaskTriple[] selectionMask_array = new NXOpen.Selection.MaskTriple[1];
NXOpen.Selection.MaskTriple selectionMask_arrayElem;
selectionMask_arrayElem.Type = NXOpen.UF.UFConstants.UF_solid_type;
selectionMask_arrayElem.Subtype = NXOpen.UF.UFConstants.UF_solid_edge_subtype;
selectionMask_arrayElem.SolidBodySubtype = NXOpen.UF.UFConstants.UF_UI_SEL_FEATURE_ANY_EDGE;
selectionMask_array[0] = selectionMask_arrayElem;
//Following sets the Selection mask for Edge
theUI.SelectionManager.SetSelectionMask(selectH, NXOpen.Selection.SelectionAction.ClearAndEnableSpecific, selectionMask_array);
//Following sets the Selection and Filter callbacks which are invoked during selection
theUI.SelectionManager.SetTaggedObjectSelectionCallbacks(selectH, filterTaggedObject_cb, taggedObjectSelection_cb);
changeToggle6.ItemValue = true;
changeStr0.ItemValue = "5.0";
changeLabel1.SetLabel("Select Edges (0)");

1、通过方法theUI.SelectionManager.SetSelectionMask()设置过滤器，限制只能选择边

2、通过filterTaggedObject_cb()进行逻辑上的限制，selectedObject.ToString().Contains("Edge")

3、通过taggedObjectSelection_cb()选择回调方法，每当选定边的所有标记存储在哈希表中，并显示已选择边数量

2）执行边倒角操作

Part workPart = theSession.Parts.Work;
Part displayPart = theSession.Parts.Display;
Session.UndoMarkId markId1 = theSession.SetUndoMark(Session.MarkVisibility.Visible, "Start");
NXOpen.Features.Feature nullFeatures_Feature = null;
NXOpen.Features.EdgeBlendBuilder edgeBlendBuilder1 = workPart.Features.CreateEdgeBlendBuilder(nullFeatures_Feature);
theSession.SetUndoMarkName(markId1, "Edge Blend");
ScCollector scCollector1 = workPart.ScCollectors.CreateCollector();
NXOpen.Features.Block block1 = (NXOpen.Features.Block)workPart.Features.FindObject("BLOCK(1)");
Edge[] seedEdges1 = new Edge[htEdges.Count];
IDictionaryEnumerator en = htEdges.GetEnumerator();
int EdgeIndex = 0;
while(en.MoveNext())
{
    Edge edgeVar = (Edge)en.Value;;
    seedEdges1[EdgeIndex] = edgeVar;
    EdgeIndex += 1;
}

EdgeMultipleSeedTangentRule edgeMultipleSeedTangentRule2 = workPart.ScRuleFactory.CreateRuleEdgeMultipleSeedTangent(seedEdges1, 0.5, true);
SelectionIntentRule[] rules2 = new SelectionIntentRule[1];
rules2[0] = edgeMultipleSeedTangentRule2;
scCollector1.ReplaceRules(rules2, false);
Session.UndoMarkId markId2 = theSession.SetUndoMark(Session.MarkVisibility.Invisible, "Edge Blend");
//Following can set the Tolerance for Edge Blend.
edgeBlendBuilder1.Tolerance = changeReal6.ItemValue;
edgeBlendBuilder1.AllInstancesOption = false;
//Following can set the Remove Self Intersection option for the Edge Blend.
edgeBlendBuilder1.RemoveSelfIntersection = changeToggle6.ItemValue;
edgeBlendBuilder1.ConvexConcaveY = false;
edgeBlendBuilder1.RollOverSmoothEdge = true;
edgeBlendBuilder1.RollOntoEdge = true;
edgeBlendBuilder1.MoveSharpEdge = true;
edgeBlendBuilder1.OverlapOption = NXOpen.Features.EdgeBlendBuilder.Overlap.AnyConvexityRollOver;
edgeBlendBuilder1.BlendOrder = NXOpen.Features.EdgeBlendBuilder.OrderOfBlending.ConvexFirst;
edgeBlendBuilder1.SetbackOption = NXOpen.Features.EdgeBlendBuilder.Setback.SeparateFromCorner;

//Following sets the value for Blend Radius.
int csIndex1 = edgeBlendBuilder1.AddChainset(scCollector1, changeStr0.ItemValue);
NXOpen.Features.Feature feature1 = edgeBlendBuilder1.CommitFeature();
theSession.DeleteUndoMark(markId2, null);
edgeBlendBuilder1.Destroy();
htEdges.Clear();
changeLabel1.SetLabel("Select Edges (0)");