Example 6: Complex Graph with All Features

A comprehensive example demonstrating all VGL features:

vgraph comprehensive: IBIS "Comprehensive Example" {
    // Graph-level properties
    rankdir: LR;
    fontcolor: darkblue;
    labeljust: l;

    // Root-level nodes
    node root: Question "Main Question" [fontsize: 20; color: navy];
    node ans1: Answer "Primary Solution" [fontsize: 16];
    node ans2: Answer "Alternative Solution" [fontsize: 16];

    // Detailed analysis group
    group analysis "Detailed Analysis" {
        style: filled;
        color: lightgray;

        node q_perf: Question "What about performance?";
        node a_fast: Answer "Optimize critical paths" [color: green];
        node pro_perf: Pro "40% faster response time" [fontsize: 12];

        // Nested considerations
        group tradeoffs "Trade-offs" {
            style: dashed;
            color: yellow;

            node con_complex: Con "Increased code complexity" [fontsize: 10];
            node q_maint: Question "Can we maintain this?" [fontsize: 11];
        };

        edge q_perf -> a_fast: answered_by;
        edge a_fast -> pro_perf: supports;
        edge a_fast -> con_complex: objects_to;
        edge con_complex -> q_maint: con_questions_question "Raises concern";
    };

    // Implementation group
    group implementation "Implementation Plan" {
        style: filled;
        color: lightblue;

        node q_when: Question "When to implement?" [fontsize: 14];
        node a_phase: Answer "Phased rollout" [fontsize: 13];
        node pro_safe: Pro "Reduces risk" [fontsize: 11];

        edge q_when -> a_phase;
        edge a_phase -> pro_safe;
    };

    // Cross-group connections
    edge root -> ans1: answered_by "Main path";
    edge root -> ans2: answered_by "Backup option";
    edge ans1 -> q_perf: answered_by [style: dashed; weight: 5];
    edge ans2 -> q_when: answered_by;
}