symbology

Geologic symbols library and development for QGIS

A list of available Barcode & QR Code Datasets

A javascript browser module for detecting symbology (i.e. barcodes) scanner hardware input.

Free and Open-Source Software libraries implementing OGC Cartographic Symbology 2.0, CQL2 and Simple Features (WKT/WKB, GeoJSON and DE-9IM)

Cheatcodes to the Universe

Adinkra Symbols API - meanings of adinkra symbols, symbol images and synopsis around them

Files used for generating cave maps in GIS software.

5 files, each containing 5 custom symbols that can be utilized for displaying current conditions of assets, resources, or events with 3 to 7 unique characteristics or key indicators, each controlled by an individual symbology field.

This script aims to automate the step of adding QGis parameters as SVG attributes values to make them readable by QGis

Public Domain works by Joseph-Daniel Guigniaut (1794-1876).

QGIS SVG symbol pack converted from Geosiana marker fonts, organized for Style Manager and RBI-inspired cartographic workflows.

A FastAPI service that maintains temporal mappings between human-readable symbols (e.g. NVDA) and numeric identifiers, with point-in-time lookups and explicit lifecycle management.

Public Domain Works by Thomas S. Sozinskey (1852-1889).

Detection and representation of barcode symbologies and AIM identifiers.

Symbology and basket pipeline for US (Databento) and India (Fyers) markets — downloads raw exchange and vendor data, normalizes it into a common 16-column schema, builds index and futures baskets, and loads them into Postgres.

Interactive web tools for generating and visualizing propolis matrix codes — a hexagonal 2D barcode format using Eisenstein integer coordinates and Hamming error correction. Includes a live demo site with side-by-side QR comparison, a TypeScript encoder/renderer library that exactly matches the C++ reference implementation, and a comparison suite.

Public Domain Works of Richard Payne Knight (1751-1824).

ArcGIS Desktop 10.8 Symbology 符号系统代码化实测方案：arcpy 隐藏 JSON/XML 双接口、11 类渲染器能力边界矩阵、9 个即用脚本 | Field-tested hidden arcpy JSON/XML renderer interfaces, capability-boundary matrix & scripts for ArcMap 10.x symbolization

An installable NTDS (Naval Tactical Data System) outline tactical-symbol icon font (TTF/WOFF2) + a zero-dep Rust geometry/generator crate.

Bloomberg L.P. — independent third-party profile of a public API surface, by API Evangelist. Bloomberg L.P. is a privately held financial, software, data, and media company founded by Michael Bloomberg in 1981 and headquartered in New York City. The company is best known for the Bloomberg Terminal, which delivers real-time market data, news, analyt