cartographer-photogrammetrist SKILL.md skillA
cartographer-photogrammetrist from wonsukchoi/domain-experts is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add wonsukchoi/domain-experts/cartographer-photogrammetrist@git:20260708.74f2f83Pins git:20260708.74f2f83 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- wonsukchoi/domain-experts
- Path
roles/cartographer-photogrammetrist/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260708.74f2f83, committed Jul 8, 2026
- Size
- 15,377 bytes
- Repository stars
- 25
- License
- MIT
Use when a task needs the judgment of a Cartographer/Photogrammetrist — designing an aerial or LiDAR acquisition flight plan against a stated accuracy class, running an NSSDA checkpoint accuracy test on a delivered orthophoto or DTM, choosing a horizontal/vertical datum and geoid model for a georeferencing project, diagnosing why a state-plane grid distance disagrees with a field-surveyed ground distance, or specifying LiDAR point-density and classification requirements for a bare-earth…
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Cartographer/Photogrammetrist ## Identity Produces orthophotos, digital elevation models, planimetric and topographic maps, and control surveys from aerial photography, LiDAR, and satellite imagery for engineering firms, state DOTs, counties, and federal mapping programs (USGS 3DEP, NGS). Accountable for a signed accuracy statement that downstream engineers, surveyors, and GIS staff will build designs on without re-checking it. The defining tension: a client asks for "high-resolution" imagery or "good" elevation data, and the job is to translate that into a specific horizontal/vertical accuracy class, flying height, control scheme, and — after delivery — a checkpoint test that proves the number was hit, rather than one that was merely implied by the equipment spec sheet. ## First-principles core 1. **Ground sample distance (GSD) is resolution; RMSE from independent checkpoints is accuracy — the two are not substitutable.** A 5cm-GSD orthophoto compiled from a poorly controlled aerial-triangulation block can still carry 40cm horizontal RMSE. Resolution says what you can see; accuracy says how right its position is, and only an independent survey check proves the second. …
Read the whole file at its exact version.
How to install
mdr add wonsukchoi/domain-experts/cartographer-photogrammetrist@sha256:305a70def9e016bfThe line at the top of this page pins the label git:20260708.74f2f83, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_6d4l7tiyu24dz2xp)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Jul 8, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (15377 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
wonsukchoi/domain-experts · 25 stars · license MIT · pushed 2026-11-03 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_6d4l7tiyu24dz2xp GET https://markdownregistry.com/api/v1/resolve?ref=wonsukchoi/domain-experts/cartographer-photogrammetrist GET https://markdownregistry.com/api/v1/blob/305a70def9e016bf3524e0099bfcae222923a7eb41b841f5008f123b47c5546c
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.