Examples with GraphExpr org.matheclipse.core.expression.data.GraphExpr used on opensource projects

Example 6 with GraphExpr

use of org.matheclipse.core.expression.data.GraphExpr in project symja_android_library by axkr.

the class F method showGraphic.

public static String showGraphic(IExpr expr) {
    try {
        if (expr.isSameHeadSizeGE(Graphics, 2)) {
            return openSVGOnDesktop((IAST) expr);
        } else if (expr.isSameHeadSizeGE(Graphics3D, 2)) {
            StringBuilder buf = new StringBuilder();
            if (GraphicsFunctions.renderGraphics3D(buf, (IAST) expr, EvalEngine.get())) {
                try {
                    String manipulateStr = buf.toString();
                    String html = JSBuilder.buildGraphics3D(JSBuilder.GRAPHICS3D_TEMPLATE, manipulateStr);
                    return openHTMLOnDesktop(html);
                } catch (Exception ex) {
                    LOGGER.debug("JSBuilder.buildGraphics3D() failed", ex);
                }
            }
        } else if (expr instanceof GraphExpr) {
            String javaScriptStr = GraphFunctions.graphToJSForm((GraphExpr) expr);
            if (javaScriptStr != null) {
                String html = Config.VISJS_PAGE;
                html = StringUtils.replace(html, "`1`", javaScriptStr);
                html = StringUtils.replace(html, "`2`", "var options = {};");
                return openHTMLOnDesktop(html);
            }
        } else if (expr.isAST(JSFormData, 3)) {
            return printJSFormData(expr);
        } else if (expr.isString()) {
            IStringX str = (IStringX) expr;
            if (str.getMimeType() == IStringX.TEXT_HTML) {
                String htmlSnippet = str.toString();
                String htmlPage = Config.HTML_PAGE;
                htmlPage = StringUtils.replace(htmlPage, "`1`", htmlSnippet);
                EvalEngine.get().getOutPrintStream().println(htmlPage);
                return openHTMLOnDesktop(htmlPage);
            }
        } else if (expr.isList(x -> x.isAST(JSFormData, 3))) {
            StringBuilder buf = new StringBuilder();
            ((IAST) expr).forEach(x -> buf.append(printJSFormData(x)));
            return buf.toString();
        }
    } catch (Exception ex) {
        LOGGER.debug("F.showGraphic() failed", ex);
    }
    return null;
}

Example 7 with GraphExpr

use of org.matheclipse.core.expression.data.GraphExpr in project symja_android_library by axkr.

the class GraphFunctions method createGraph.

/**
 * Create a <code>Graph<IExpr, ExprWeightedEdge></code> or <code>Graph<IExpr, ExprEdge></code>
 *
 * @param arg1
 * @return
 */
private static GraphExpr<?> createGraph(final IExpr arg1) {
    if (arg1.head().equals(S.Graph) && arg1 instanceof GraphExpr) {
        return (GraphExpr<?>) arg1;
    }
    Graph<IExpr, ExprEdge> g;
    GraphType t = arg1.isListOfEdges();
    if (t != null) {
        if (t.isDirected()) {
            g = new DefaultDirectedGraph<IExpr, ExprEdge>(ExprEdge.class);
        } else {
            g = new DefaultUndirectedGraph<IExpr, ExprEdge>(ExprEdge.class);
        }
        IAST list = (IAST) arg1;
        for (int i = 1; i < list.size(); i++) {
            IAST edge = list.getAST(i);
            g.addVertex(edge.arg1());
            g.addVertex(edge.arg2());
            g.addEdge(edge.arg1(), edge.arg2());
        }
        return GraphExpr.newInstance(g);
    }
    return null;
}