Render CAD Drawings (DWG, DWF) to HTML using Java

ConvertDwgToHTML.java

// Render .dwg CAD drawing to view as HTML with embedded resources using Java
try (Viewer viewer = new Viewer("drawing.dwg")) {
	HtmlViewOptions viewOptions = HtmlViewOptions.forEmbeddedResources("page_{0}.html");
	viewer.view(viewOptions);
}

ConvertDwgtoHtmlExtRes.java

// Render .dwg CAD drawing to view as HTML with external resources using Java
try (Viewer viewer = new Viewer("drawing.dwg")) {
	HtmlViewOptions viewOptions = HtmlViewOptions.forExternalResources("page_{0}.html", "page_{0}/resource_{1}", "page_{0}/resources");
	viewer.view(viewOptions);
}

GetDwgLayoutsAndLayers.java

// Get Layouts and Layers of DWG CAD drawing in Java
try (Viewer viewer = new Viewer("drawing.dwg")) {
	ViewInfoOptions viewInfoOptions = ViewInfoOptions.forHtmlView();
	CadViewInfo viewInfo = (CadViewInfo) viewer.getViewInfo(viewInfoOptions);
    
	System.out.println("File type: " + viewInfo.getFileType());
	System.out.println("Pages count: " + viewInfo.getPages().size());
    
	for (Layout layout : viewInfo.getLayouts()) {
		System.out.println(layout);
	}
	for (Layer layer : viewInfo.getLayers()) {
		System.out.println(layer);
	}
}

RenderCadLayers.java

// Render Layers of .dwg CAD drawing in Java
try (Viewer viewer = new Viewer("drawing.dwg")) {
	HtmlViewOptions viewOptions = HtmlViewOptions.forEmbeddedResources();
	viewOptions.getCadOptions().setLayers(Arrays.asList(new Layer("Stairs"), new Layer("Walls")));
	viewer.view(viewOptions);
}

RenderCadLayouts.java

// Render Layouts of .dwg CAD drawing in Java
try (Viewer viewer = new Viewer("drawing.dwg")) {
	HtmlViewOptions viewOptions = HtmlViewOptions.forEmbeddedResources();
	viewOptions.getCadOptions().setRenderLayouts(true);
	viewer.view(viewOptions);
}