# catalog/operations/vector/simplify.yaml

id: vector_simplify
name: Simplify
description: >
  Simplify vector geometry by reducing the number of vertices while
  maintaining the overall shape. Uses the Douglas-Peucker algorithm.
version: 1.0.0
category: vector
type: vector-to-vector
default_implementation: native

inputs:
  - name: geometry
    type: vector
    format: geojson
    description: Input vector geometry to simplify
    required: true

# Structural op — operates on any vector geometry uniformly.
requires: {}

outputs:
  - name: simplified
    type: vector
    format: geojson
    description: Simplified geometry with reduced vertices

params:
  tolerance:
    type: number
    required: true
    description: Simplification tolerance in geometry units (larger = more simplification)
    min: 0
    max: 100000

cache_policy:
  ttl_days: 30
  invalidate_on: [source_update, param_change]

# backends: audited 2026-08-14 (defect 50). A key means a runtime that DISPATCHES this op —
# folia-engine `dispatch_op` (products/sdk/folia-engine/src/lib.rs), a `registerOp`/OP_TABLE
# entry in packages/compute, `_BUILTIN_OP_MAP` in folia/compute.py, or a backend manifest
# (folia/backends/*/backend.yaml).
backends:
  python:
    function: geo.vector.simplify
    dispatch: folia/compute.py _BUILTIN_OP_MAP

display_hints:
  map:
    renderer: maplibre

ui:
  icon: minimize-2
  color: "#FF4500"