gis-domain

Verify GIS spatial relations and DE-9IM predicate semantics.

Updated Mar 10, 2026
One-click install
npx skills add https://github.com/jarmak-personal/vibeSpatial --skill gis-domain
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: gis-domain
Source: https://github.com/jarmak-personal/vibeSpatial/tree/main/.agents/skills/gis-domain
Command: npx skills add https://github.com/jarmak-personal/vibeSpatial --skill gis-domain

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps users verify the correctness of GIS spatial operations, understand predicate semantics, and analyze edge cases in spatial algorithms, ensuring accurate GIS computations and topology validation.

Core Features & Use Cases

  • Spatial Validation: Check if GIS operations like intersection, union, and predicates conform to specifications.
  • Edge Case Analysis: Understand complex geometrical scenarios such as degenerate geometries, boundary conditions, and topology contradictions.
  • Use Case: Use this skill to confirm whether a polygon's interior contains a point, or to validate the meaning of DE-9IM predicates in complex geometries.

Quick Start

Use the gis-domain skill to verify if a specific spatial predicate holds true for your geometries, such as checking if a point lies within a polygon or if two lines cross.

Frequently Asked Questions about gis-domain

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate spatial relations and topology edge cases in GIS operations?

To validate spatial relations and topology edge cases in GIS, you can verify spatial predicate semantics and check intersection operations against DE-9IM standards to ensure spatial data integrity.

What is the DE-9IM predicate and how does it apply to spatial validation?

The DE-9IM predicate is a standard used in spatial validation to determine the topological relationship between geometries. It helps confirm whether spatial operations like intersection or union conform to specifications.

How do I check if a point lies within a polygon or if two lines cross?

To check if a point lies within a polygon or if two lines cross, you verify the specific spatial predicates holding true for your geometries, ensuring accurate GIS computations and boundary condition compliance.

How do I handle degenerate geometries and topology contradictions in spatial algorithms?

Handling degenerate geometries and topology contradictions requires analyzing complex geometrical scenarios and boundary conditions to resolve edge cases and ensure accurate spatial computations.

Does this approach work for ensuring compliance with GIS standards?

Yes, verifying spatial relations and predicate semantics ensures compliance with GIS standards by checking if operations like intersection and union conform to topology conventions and specifications.

Why does my spatial operation return incorrect results for boundary conditions?

Spatial operations return incorrect results for boundary conditions due to topology contradictions or degenerate geometries. Analyzing these edge cases and verifying predicate semantics ensures accurate GIS computations.