fy_layout

fy_layout is a skill for Claude Code, Codex from znlgis/opengis-skills. It costs 56 tokens per session (5,097 once invoked), scanned A, original, MIT.

An example C# plugin for LightCAD or LightBIM, design applications used for building and construction work. It demonstrates planning a construction site in both two-dimensional drawings and three-dimensional models, with support for DWG and DXF.

In plain words
What is it for?
Use it as a reference for modeling fences, lawns, foundation pits, roads and prefabricated buildings. It also demonstrates connecting 2D shapes and 3D solids to LightCAD commands and user-interface elements.
Why use it?
It shows how to extend the LightCAD platform with custom elements, commands, menus and geometry providers instead of building a separate design application. The example gives developers a starting structure for platform-based plugins.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it as a reference for modeling fences, lawns, foundation pits, roads and prefabricated buildings. It also demonstrates connecting 2D shapes and 3D solids to LightCAD commands and user-interface elements.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/znlgis/opengis-skills/fy_layout
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add znlgis/opengis-skills --skill fy_layout
Clone the repo
git clone --depth 1 https://github.com/znlgis/opengis-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for fy_layout

README.md
[![agentmods](https://agentmods.dev/badge/skills/znlgis/opengis-skills/fy_layout/github.svg)](https://agentmods.dev/skills/znlgis/opengis-skills/fy_layout)
Your own site
<a href="https://agentmods.dev/skills/znlgis/opengis-skills/fy_layout"><img src="https://agentmods.dev/badge/skills/znlgis/opengis-skills/fy_layout/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for fy_layout

Your own site · 80×15
<a href="https://agentmods.dev/skills/znlgis/opengis-skills/fy_layout"><img src="https://agentmods.dev/badge/skills/znlgis/opengis-skills/fy_layout.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 56 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,097 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00056 $0.05097
Opus 5 $0.00028 $0.02549
Sonnet 5 $0.00011 $0.01019
Haiku 4.5 $0.00006 $0.00510

Measured 7d ago against content hash 4ef2e1a8a603, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

fy_layout scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

cad/fy_layout/SKILL.md · 386 lines

How it starts

The opening of the file, as written. The whole thing — 386 lines — stays where its author put it; the contents beside it link to each section on GitHub.

项目地址: https://github.com/znlgis/FY_Layout

所属平台: 飞扬集成设计平台(LightCAD / LightBIM)

许可证: CC-BY-NC 4.0

概述

FY_Layout 是飞扬集成设计平台(LightCAD)的 场地布置二次开发插件示例,面向建筑工程设计行业,提供二维绘制与三维建模的完整插件示例源代码。该项目演示了如何基于飞扬平台 SDK 进行 C# 插件开发,涵盖元素定义、命令注册、2D/3D Action 编写及形状/实体 Provider 实现等核心流程。

项目包含两个核心模块:

模块 项目名 说明
插件主体 QdLayout 场布插件——元素类型定义、命令注册、UI 菜单、2D/3D Action 实现
形状提供者 QdLayoutProvider 元素的二维形状(Shape)和三维实体(Solid)生成逻辑

技术栈:

  • 开发语言:C#
  • 目标框架:.NET 8.0(net8.0-windows)
  • 开发环境:Visual Studio 2022 社区版(17.5.5+)
  • UI 框架:WinForms
  • 图形引擎:SkiaSharp(2D)、ThreeJs4Net / OpenTK(3D)
  • 数据格式:兼容 DWG/DXF

开发环境准备

前置条件

  • Visual Studio 2022 社区版(17.5.5 以上)
  • .NET 8.0 SDK
  • 飞扬主程序(飞扬主程序/lightcad.EXE,项目仓库内已包含)

克隆与编译

git clone https://github.com/znlgis/FY_Layout.git
cd FY_Layout
# 使用 VS2022 打开 LightBIM.sln

调试方式

飞扬最新组件和启动程序为 飞扬主程序/lightcad.EXE。编译后使用 VS2022 附加进程 的方式进行断点调试。


项目结构

FY_Layout/
├── LightBIM.sln                  # 解决方案文件
├── Libs/                         # 飞扬平台 SDK DLL(LightCAD.Core、LightCAD.Drawing 等)
├── 飞扬主程序/                    # 飞扬主程序 lightcad.EXE
├── Build/                        # 编译输出目录
├── QdLayout/                     # ★ 插件主体项目
│   ├── QdLayout.csproj
│   ├── GlobalUsing.cs            # 全局 using 声明
│   ├── LayoutPlugin.cs           # ★ 插件入口(ILcPlugin 实现)
│   ├── LayoutCmds.cs             # ★ 命令注册([CommandClass] / [CommandMethod])
│   ├── LayoutElementType.cs      # ★ 场布元素类型定义
│   ├── LcCurveChangeLoop.cs      # 曲线转换为闭合环工具类
│   ├── Barrier/                  # 防护栏杆
│   ├── Berm/                     # 出土道路
│   ├── Earthwork/                # 土方回填
│   ├── Equipment/                # 场布设备
│   ├── Fence/                    # 围栏(围墙)
│   ├── FoundationPit/            # 基坑
│   ├── Ground/                   # 硬化地面
│   ├── Harden/                   # 路面硬化
│   ├── Lawn/                     # 草坪
│   ├── OpenLine/                 # 开门边线
│   ├── PlanBuild/                # 拟建建筑
│   ├── PlateHouse/               # 板房 / 板房楼栋
│   ├── PropertyLine/             # 用地红线
│   ├── Road/                     # 城市道路 / 交叉路口
│   ├── Site/                     # 场地
│   └── TemplateArrange/          # 模板排布方案
└── QdLayoutProvider/             # ★ 形状/实体提供者项目
    ├── QdLayoutProvider.csproj
    ├── GlobalUsing.cs
    ├── QdLayoutProviderRegist.cs # Provider 注册入口(IDllProviderImporter)
    ├── QdLayoutProviderUtils.cs  # Provider 工具方法
    ├── QdBermProvider.cs         # 出土道路 Shape/Solid
    ├── QdFoundationPitProvider.cs# 基坑 Shape/Solid
    ├── QdGroundProvider.cs       # 硬化地面 Shape/Solid
    ├── QdEarthworkProvider.cs    # 土方回填 Shape/Solid
    ├── QdHardenProvider.cs       # 路面硬化 Shape/Solid
    ├── QdLawnProvider.cs         # 草坪 Shape/Solid
    ├── QdFenceProvider.cs        # 围栏 Shape/Solid
    ├── QdSiteProvider.cs         # 场地 Shape
    ├── QdBarrierProvider.cs      # 防护栏杆 Shape/Solid
    └── QdIntersectionProvider.cs # 交叉路口 Shape/Solid

Read the full file on GitHub · 386 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 7d ago Changed · -218 lines 4ef2e1a8a603
  2. 11d ago First seen · 604 lines · 56 tokens per session scan A e460462cbfe8

Subscribe to this mod's changes

fy_layout is a skill published in the GitHub repository znlgis/opengis-skills (60 stars, last pushed yesterday), licensed MIT. It adds 56 tokens to every session and 5,097 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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