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exploring/layers/layers.java

Refer to the Layers Example.

// ****************************************************************************
// $Id$
//
// Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
// Copyright (C) 2014-2023, CADEX. All rights reserved.
//
// This file is part of the CAD Exchanger software.
//
// You may use this file under the terms of the BSD license as follows:
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// ****************************************************************************
import cadex.*;
public class layers {
static {
try {
System.loadLibrary("CadExCore");
} catch (UnsatisfiedLinkError e) {
System.err.println("Native code library failed to load.\n" + e);
System.exit(1);
}
}
public static void main(String[] args) {
String aKey = LicenseKey.Value();
// Activate the license (aKey must be defined in LicenseKey.java)
if (!LicenseManager.Activate(aKey)) {
System.out.println("Failed to activate CAD Exchanger license.");
System.exit(1);
}
if (args.length != 1) {
System.out.println("Usage: " + " <input_file>, where:");
System.out.println(" <input_file> is a name of the XML file to be read");
System.exit(1);
}
String aSource = args[0];
ModelData_Model aModel = new ModelData_Model();
if (!new ModelData_ModelReader().Read(new Base_UTF16String(aSource), aModel)) {
System.out.println("Failed to read the file");
System.exit(1);
}
// Check the model if it has any layer
ModelData_Model.LayerIterator aLayerIt = new ModelData_Model.LayerIterator(aModel);
if (!aLayerIt.HasNext()) {
// Create a visitor to fill it's layer object
LayersFiller aVisitor = new LayersFiller();
aModel.Accept(aVisitor);
// Add created layer to the model
aModel.AddLayer(aVisitor.GetLayer());
}
LayersVisitor aLayerVisitor = new LayersVisitor();
aModel.Accept(aLayerVisitor);
}
}
// Visitor used to add model's parts to layer
class LayersFiller extends ModelData_Model.CombinedElementVisitor {
@Override
public void Apply(ModelData_Part thePart) {
mySGELayer.Add(thePart);
ModelData_BRepRepresentation aBRep = thePart.BRepRepresentation();
if (aBRep != null) {
ModelData_BodyList aBodyList = aBRep.Get();
for (int i = 0; i < aBodyList.Size(); ++i) {
ModelData_Body aBody = aBodyList.Element(i);
aBRep.AddToLayer(aBody, mySubshapesLayer);
}
}
}
@Override
public boolean VisitEnter(ModelData_SceneGraphElement theElement) {
mySGELayer.Add(theElement);
return true;
}
public ModelData_Layer GetLayer() {
return mySubshapesLayer;
}
private ModelData_Layer mySubshapesLayer = new ModelData_Layer(new Base_UTF16String("SubshapesLayer"));
private ModelData_Layer mySGELayer = new ModelData_Layer(new Base_UTF16String("SGELayer"));
}
// Visitor to explore model layers
class LayersVisitor extends ModelData_Model.LayerVisitor {
@Override
public void Apply(ModelData_Layer theLayer) {
LayerItemVisitor aLayerItemVisitor = new LayerItemVisitor();
theLayer.Accept(aLayerItemVisitor);
System.out.println("Layer " + theLayer.Name() + " contains:");
aLayerItemVisitor.PrintElementsCount();
}
}
// Visitor checks elements of specific layer
class LayerItemVisitor extends ModelData_Layer.ItemVisitor {
@Override
public void Apply(ModelData_SceneGraphElement theSGE) {
if (theSGE.TypeId() == ModelData_Part.GetTypeId()) {
++myPartsNb;
} else if (theSGE.TypeId() == ModelData_Assembly.GetTypeId()) {
++myAssembliesNb;
} else if (theSGE.TypeId() == ModelData_Instance.GetTypeId()) {
++myInstancesNb;
}
}
@Override
public void Apply(ModelData_Shape theShape, ModelData_BRepRepresentation theBRep) {
++myShapesNb;
}
public void PrintElementsCount() {
System.out.println("Number of parts: " + myPartsNb);
System.out.println("Number of assemblies: " + myAssembliesNb);
System.out.println("Number of instances: " + myInstancesNb);
System.out.println("Number of shapes: " + myShapesNb);
}
private int myPartsNb = 0;
private int myAssembliesNb = 0;
private int myInstancesNb = 0;
private int myShapesNb = 0;
}
Defines classes, types, and global functions related to CAD Exchanger.
Definition: A3DSTestLib.hxx:22