EvoDiagram: Agentic Editable Diagram Creation via Design Expertise Evolution

• URL: http://arxiv.org/abs/2604.09568v1
• Date: Fri, 20 Feb 2026 11:11:02 GMT
• Title: EvoDiagram: Agentic Editable Diagram Creation via Design Expertise Evolution
• Abstract summary: EvoDiagram is an agentic framework that generates object-level editable diagrams via an intermediate canvas schema.<n>EvoDiagram employs a coordinated multi-agent system to decouple semantic intent from rendering logic.<n>We further release CanvasBench, a benchmark consisting of both data and metrics for canvas-based diagramming.
• Score: 46.35311453619801
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: High-fidelity diagram creation requires the complex orchestration of semantic topology, visual styling, and spatial layout, posing a significant challenge for automated systems. Existing methods also suffer from a representation gap: pixel-based models often lack precise control, while code-based synthesis limits intuitive flexibility. To bridge this gap, we introduce EvoDiagram, an agentic framework that generates object-level editable diagrams via an intermediate canvas schema. EvoDiagram employs a coordinated multi-agent system to decouple semantic intent from rendering logic, resolving conflicts across heterogeneous design layers. Additionally, we propose a design knowledge evolution mechanism that distills execution traces into a hierarchical memory of domain guidelines, enabling agents to retrieve context-aware expertise adaptively. We further release CanvasBench, a benchmark consisting of both data and metrics for canvas-based diagramming. Extensive experiments demonstrate that EvoDiagram exhibits excellent performance and balance against baselines in generating editable, structurally consistent, and aesthetically coherent diagrams. Our code is available at https://github.com/AuraX-AI/EvoDiagram.

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