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meshcore-sar_android/docs/wms_layer_analysis.md
Janez T baf49d27d8 feat: MeshCore SAR - Flutter BLE mesh radio companion app 
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-02-28 10:11:33 +01:00

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Slovenian WMS Layers - SAR Application Analysis

Total Layers Found: 108

HIGH PRIORITY - Critical for SAR Operations

Aerial Imagery & Base Maps (5 layers)

  1. pregledovalnik:DOF_2024 - Digital Orthophoto 2024 (Latest aerial imagery)

    • USE CASE: Primary visual reference, current terrain conditions
    • ALREADY IMPLEMENTED in the app

  2. pregledovalnik:DOF25 - Digital Orthophoto 25cm resolution

    • USE CASE: High-resolution aerial imagery for detailed terrain analysis

  3. pregledovalnik:DOF_IR - Infrared Orthophoto

    • USE CASE: Thermal/infrared imagery for detecting heat signatures, useful for night searches

  4. pregledovalnik:DTK25 - Topographic Map 1:25,000

    • USE CASE: Traditional topographic reference with contours, trails, landmarks

  5. pregledovalnik:dof025_2022_2024 - Combined orthophoto 2022-2024

    • USE CASE: Multi-year aerial imagery comparison

Administrative Boundaries (6 layers)

  1. pregledovalnik:NEP_RPE_OBCINE - Municipalities (občine)

    • USE CASE: Jurisdiction boundaries for coordinating with local authorities
    • RECOMMENDED FOR OVERLAY

  2. pregledovalnik:NEP_RPE_NASELJA - Settlements

    • USE CASE: Identify populated areas, evacuation points, staging areas
    • RECOMMENDED FOR OVERLAY

  3. pregledovalnik:NEP_HISNE_STEVILKE - House Numbers

    • USE CASE: Precise location identification for emergency response

  4. pregledovalnik:NEP_RPE_UPRAVNE_ENOTE - Administrative Units

    • USE CASE: Regional administration boundaries

  5. pregledovalnik:NEP_RPE_STATISTICNE_REGIJE - Statistical Regions

    • USE CASE: Broader regional planning

  6. pregledovalnik:drzavna_meja - State Border

    • USE CASE: International coordination for cross-border operations

Roads & Transportation (4 layers)

  1. pregledovalnik:KGI_LINIJE_CESTE_G - Roads

    • USE CASE: Primary access routes, evacuation routes, vehicle navigation
    • HIGH PRIORITY OVERLAY

  2. pregledovalnik:gozdne_ceste - Forest Roads

    • USE CASE: Access to remote forest areas, critical for SAR vehicles
    • HIGH PRIORITY OVERLAY

  3. pregledovalnik:LINIJE_ZELEZNICE_G - Railways

    • USE CASE: Alternative access routes, landmarks, coordination with rail authorities

  4. pregledovalnik:KGI_LINIJE_PLANINSKE_POTI_G - Mountain/Hiking Trails

    • USE CASE: Common search areas, lost hiker routes, access to remote areas
    • HIGH PRIORITY OVERLAY

Fire & Emergency Hazards (5 layers)

  1. pregledovalnik:gozdni_pozari - Forest Fires (historical)

    • USE CASE: Historical fire locations, high-risk areas
    • RECOMMENDED FOR OVERLAY

  2. pregledovalnik:pozarna_ogrozenost - Fire Hazard/Risk Areas

    • USE CASE: Identify high fire risk zones, plan safe evacuation routes
    • HIGH PRIORITY OVERLAY

  3. pregledovalnik:pozarisce_goriski_kras - Fire Site - Goriški Kras

    • USE CASE: Specific fire hazard area in Karst region

  4. pregledovalnik:pozarisce_kras - Fire Site - Kras

    • USE CASE: Karst region fire zones

  5. pregledovalnik:protipozarne_preseke - Firebreaks

    • USE CASE: Fire containment lines, safe zones

Geographic Names & Navigation (1 layer)

  1. pregledovalnik:zemljepisna_imena - Geographic Names
    • USE CASE: Place names for communication, location identification
    • RECOMMENDED FOR OVERLAY

MEDIUM PRIORITY - Useful for Planning & Context

Protected Areas & Natural Features (9 layers)

  1. pregledovalnik:natura2000 - Natura 2000 Protected Areas

    • USE CASE: Environmental restrictions, sensitive areas

  2. pregledovalnik:zavarovana_obmocja_poligoni - Protected Areas (polygons)

    • USE CASE: National parks, nature reserves, access restrictions

  3. pregledovalnik:zavarovana_obmocja_tocke - Protected Areas (points)

    • USE CASE: Point-based protected sites

  4. pregledovalnik:zavarovana_obmocja_conacija - Protected Areas (zoning)

    • USE CASE: Zoning within protected areas

  5. pregledovalnik:naravne_vrednote_poligoni - Natural Heritage (polygons)

    • USE CASE: Notable natural features, landmarks

  6. pregledovalnik:naravne_vrednote_tocke - Natural Heritage (points)

    • USE CASE: Specific natural landmarks (caves, waterfalls, etc.)

  7. pregledovalnik:epo_poligoni - Single Trees/Monuments (polygons)

    • USE CASE: Notable landmark trees

  8. pregledovalnik:epo_tocke - Single Trees/Monuments (points)

    • USE CASE: Point landmarks

  9. pregledovalnik:gozdni_rezervati - Forest Reserves

    • USE CASE: Old-growth forests, restricted access areas

Cadastral & Land Parcels (2 layers)

  1. pregledovalnik:kn_parcele - Cadastral Parcels

    • USE CASE: Land ownership boundaries, legal jurisdictions

  2. pregledovalnik:KN_KATASTRSKE_OBCINE - Cadastral Municipalities

    • USE CASE: Cadastral administrative units

Terrain & Elevation (2 layers)

  1. pregledovalnik:DMK - Digital Cartographic Model

    • USE CASE: Contours, terrain features, elevation data

  2. pregledovalnik:DMR - Digital Relief Model

    • USE CASE: Shaded relief, terrain visualization

Forest Management Areas (10 layers)

  1. pregledovalnik:gge - Forest Management Units (GGE)

    • USE CASE: Forest administrative units, contact local foresters

  2. pregledovalnik:ggo - Forest Management Districts (GGO)

    • USE CASE: Larger forest districts

  3. pregledovalnik:revirji - Forest Ranger Districts

    • USE CASE: Local ranger contact areas

  4. pregledovalnik:krajevne_enote - Local Forest Units

    • USE CASE: Smallest administrative forest units

  5. pregledovalnik:odseki - Forest Compartments

    • USE CASE: Forest subdivisions for management

  6. pregledovalnik:odseki_gozdni - Forest Compartments (variant)

    • USE CASE: Alternative compartment layer

  7. pregledovalnik:sestoji - Forest Stands

    • USE CASE: Specific tree stand types, vegetation density

  8. pregledovalnik:sestoji_druga_gozdna_zemljisca - Other Forest Lands

    • USE CASE: Non-productive forest areas

  9. pregledovalnik:varovalni_gozdovi - Protection Forests

    • USE CASE: Forests with protective function (avalanche, erosion)

  10. pregledovalnik:lovisca - Hunting Grounds

    • USE CASE: Contact with hunting associations for local knowledge

Historical Disasters (6 layers)

  1. pregledovalnik:vetrolom_2017 - Windthrow 2017

    • USE CASE: Storm damage areas, difficult terrain

  2. pregledovalnik:vetrolom_2018 - Windthrow 2018

    • USE CASE: Storm damage areas from 2018

  3. pregledovalnik:zled_2014 - Ice Storm 2014

    • USE CASE: Ice damage areas

  4. pregledovalnik:zled_drugi_gozdovi_2014 - Ice Storm 2014 (other forests)

    • USE CASE: Ice damage in secondary forests

  5. pregledovalnik:podlubniki_2015_2019 - Bark Beetle Damage 2015-2019

    • USE CASE: Dead wood areas, fire hazard, difficult terrain

  6. pregledovalnik:krcitve - Clearcuts

    • USE CASE: Open areas, recent harvest sites, potential staging areas

Agricultural & Land Use (2 layers)

  1. pregledovalnik:povrsine_v_zarascanju - Overgrown Areas

    • USE CASE: Abandoned agricultural land, changing terrain

  2. pregledovalnik:skupna_kmetijska_politika_2023_2027 - Common Agricultural Policy

    • USE CASE: Agricultural land use planning

LOW PRIORITY - Technical/Specialized Layers

Forest Function Layers (ON21 series - 45 layers)

These are highly specialized forest function layers from the 2021 forest management plan. Each has variants for lines (_l), polygons (_p), and points (_t):

Categories:

  • Biotska (Biodiversity): on21_fun_biotska_l/p/t
  • Druge gozdne dobrine (Other forest goods): on21_fun_druge_gozdne_dobrine_l/p/t
  • Estetska (Aesthetic): on21_fun_estetska_l/p/t
  • Hidroloska (Hydrological): on21_fun_hidroloska_l/p/t
  • Higiensko-zdravstvena (Health/hygiene): on21_fun_higiensko_zdravstvena_p
  • Klimatska (Climate): on21_fun_klimatska_l/p
  • Kulturna (Cultural): on21_fun_kulturna_l/p/t
  • Lesnoproizvodna (Timber production): on21_fun_lesnoproizvodna_p
  • Lovnogospodarska (Hunting management): on21_fun_lovnogospodarska_p/t
  • Obrambna (Defense): on21_fun_obrambna_p/t
  • Poucna (Educational): on21_fun_poucna_l/p/t
  • Raziskovalna (Research): on21_fun_raziskovalna_p/t
  • Rekreacijska (Recreation): on21_fun_rekreacijska_l/p/t
  • Skupaj (Combined): on21_fun_skupaj_l/p/t
  • Turisticna (Tourism): on21_fun_turisticna_l/p/t
  • Varovalna (Protection): on21_fun_varovalna_p
  • Varovanja naravnih vrednot (Natural heritage protection): on21_fun_varovanja_naravnih_vrednot_l/p/t
  • Zascitna (Conservation): on21_fun_zascitna_l/p

USE CASE: Very specialized forest planning data. May be useful for:

  • Rekreacijska: Popular recreation areas (lost hikers)
  • Turisticna: Tourist areas (search priority)
  • Varovalna: Avalanche/erosion protection forests (hazard awareness)

Miscellaneous Technical (6 layers)

  • pregledovalnik:conacija_gp - Zonation (technical)
  • pregledovalnik:evrd - Single-tree selection forests
  • pregledovalnik:koridorji - Corridors (ecological)
  • pregledovalnik:luo - Forest landscape units
  • pregledovalnik:pobude_gge - GGE initiatives
  • pregledovalnik:provenience - Seed provenance areas
  • pregledovalnik:uvhvvr - High conservation value forests
  • pregledovalnik:gozdni_sklad_ekocelice - Forest fund eco-cells
  • pregledovalnik:gozdni_sklad_habitatna_drevesa - Habitat trees

Layer Groups (2 layers)

  • pregledovalnik:ttn_group - Group layer (container)
  • pregledovalnik:zemljevid_group - Map group layer (container)

RECOMMENDED IMPLEMENTATION PLAN

Phase 1: Critical Overlays (Immediate)

Add these layers as toggleable overlays in the Map Options screen:

  1. Forest Roads (gozdne_ceste) - PNG, transparent

    • Critical for vehicle access in remote areas

  2. Hiking/Mountain Trails (KGI_LINIJE_PLANINSKE_POTI_G) - PNG, transparent

    • Common search areas for lost hikers

  3. Fire Hazard Zones (pozarna_ogrozenost) - PNG, transparent

    • Safety planning, risk assessment

  4. Settlements (NEP_RPE_NASELJA) - PNG, transparent

    • Populated areas, staging areas

  5. Municipalities (NEP_RPE_OBCINE) - PNG, transparent

    • Administrative boundaries

Phase 2: Additional Useful Layers

  1. Geographic Names (zemljepisna_imena)
  2. Forest Fires Historical (gozdni_pozari)
  3. Protected Areas (zavarovana_obmocja_poligoni)
  4. Topographic Map (DTK25) - Alternative base layer
  5. Infrared Imagery (DOF_IR) - Alternative base layer

Phase 3: Specialized Layers (On Demand)

  1. Windthrow/Disaster Areas (for post-disaster operations)
  2. Recreation/Tourism Areas (for prioritizing search areas)
  3. Protection Forests (avalanche/erosion hazard awareness)

TECHNICAL NOTES

CRS Compatibility

  • All layers from prostor.zgs.gov.si support EPSG:3794 (Slovenian National Grid)
  • The app already has the correct CRS implementation in lib/utils/slovenian_crs.dart

Recommended Formats

  • Base Layers: JPEG (better compression for imagery)
  • Overlays: PNG with transparency=true (for stacking)

Caching Strategy

  • All layers should use the existing FMTC caching infrastructure
  • 30-day validity is appropriate for most layers
  • Consider longer validity for static layers (administrative boundaries)

Performance Considerations

  • Limit active overlays to 3-4 simultaneously to avoid performance issues
  • Use appropriate zoom level restrictions (some layers only useful at close zoom)
  • Consider pre-downloading critical layers for offline SAR operations

LAYER NAMING CONVENTIONS

Slovenian Terms Reference:

  • DOF = Digitalni Ortofoto (Digital Orthophoto)
  • DTK = Državna Topografska Karta (State Topographic Map)
  • DMK = Digitalni Kartografski Model (Digital Cartographic Model)
  • DMR = Digitalni Model Reliefa (Digital Relief Model)
  • NEP = Nacionalni Evidenčni Portal (National Registry Portal)
  • RPE = Register Prostorskih Enot (Spatial Units Register)
  • GGE = Gozdnogospodarska Enota (Forest Management Unit)
  • GGO = Gozdnogospodarska Območje (Forest Management District)
  • ON21 = Območni Načrt 2021 (Regional Plan 2021)
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