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SAGTA Map Downloader Specifications Guide 🗺️✨

SAGTA Map Downloader Specification Guide 🗺️✨

Use this guide to understand what to expect when interacting with the SAGTA Map Downloader’s web user interface and printed/QGIS-layout maps.

1. General Standards 📐

All map layouts must include the following elements to maintain brand consistency and ensure proper geographic context:

  • NGI graticule (grid lines without labels)
  • Attribution (NGI & Kartoza/SAGTA)
  • Magnetic Declination (display for the Topographic map layouts except South African Thematic, World Thematic, Orthophoto, & Hybrid)
  • North arrow
  • Logos (SAGTA + relevant partners)
  • Title (map name and extents)
  • Legend (symbols, colours, and layer descriptions)
  • Intersecting sheets list (which adjacent map sheets overlap the current view; omit for South African Thematic & World Thematic)

Page layouts available:

  • A3: Landscape & Portrait
  • A4: Landscape & Portrait

Printable formats supported:

  • PDF · PNG · JPEG · SVG

2. Map Layout Access 🔐

  • Authentication: Required (SAGTA members only)
  • Print maps: Access to all layouts
  • Web functionality: Toolsets enabled for all layouts

Tip: Log in with your SAGTA membership credentials to unlock the features and printing capabilities.

3. Print & Downloadable Maps 🖨️

3.1 Topographic Map 🏔️

Layers Included:

  • 1 : 50 000 topographic data (OSM or NGI servers; covers South Africa & Namibia)
  • Sheet indexes: 1: 50 000 & 1: 10 000 for South Africa & Namibia

Available Scales: 1: 25 000 · 1: 50 000 · 1:100 000 · 1: 150 000

Template Features:

  • Standard template (per General Standards)
  • Index grid showing sheet boundaries

Interactive/Web Tools:
Protractor, Elevation Profile, Print, Annotation, Measure, Geolocation, Sheet Locator

3.2 Orthophoto Map 🌄

Layers Included:

  • NGI aerial imagery (South Africa only)
  • Contours: 5 m where available; fallback to 20 m in uncovered areas
  • Spot heights & trig beacons
  • Sheet indexes: 1: 50 000 & 1: 10 000

Available Scales: 1: 5 000 · 1: 10 000 · 1: 25 000

Interactive/Web Tools:
Protractor, Elevation Profile, Print, Annotation, Measure, Geolocation, Sheet Locator

3.3 Hybrid Map 🏞️

Layers Included:

  • 1: 50 000 topographic layer (South Africa only)
  • NGI aerial imagery (South Africa only)
  • NGI 50 K rivers
  • DWA dams (500 K)
  • Sheet indexes: 1: 50 000 & 1: 10 000

Available Scales: 1: 10 000 · 1: 25 000 · 1: 50 000

Interactive/Web Tools:
Protractor, Elevation Profile, Print, Annotation, Measure, Geolocation, Sheet Locator

3.4 South African Thematic Map 🏙️

Layers Included:

  • Cities & towns · Airports · Seaports
  • Population (2025) · Active mines & processing plants (2024)
  • Parallels/meridians · Provincial boundaries
  • Major roads · Dams & rivers · Drainage basins
  • Agricultural & forestry regions · Population density (2025)
  • Mean annual precipitation zones
  • Monthly average rainfall & temperature (Jan–Dec)
  • Vegetation (2018) · Geology · Hypsometric units · DEM
  • Global climatic regions (1991–2020) · Ocean surface temperature

Base Layers: OpenStreetMap & IGN orthophoto

Available Scales: 1: 7 500 000 · 1: 6 500 000 · 1: 5 000 000 · 1: 1 000 000 · 1: 500 000

Interactive/Web Tools:

Print, Elevation Profile, Protractor

3.5 World Thematic Layouts 🌍

Layers Included:

  • Cities · Population (2025)
  • Parallels/meridians · Hemispheres · Time zones · Country boundaries
  • Topography: glaciers, playas, marine features
  • Major ocean currents · Population density (GPW 2020)
  • Global climatic regions (1991–2020)
  • Mean annual precipitation · Vegetation · Surface temperatures
  • Continents · Tectonic plates

Base Layers: OpenStreetMap & IGN orthophoto

Available Scales: 1: 100 000 000 · 1: 50 000 000 · 1: 25 000 000 · 1: 10 000 000 · 1: 5 000 000

Interactive/Web Tools:
Print, Elevation Profile, Protractor

4. Visual Examples 📸

SAGTA topographic map layouts

topo_map_layout

SAGTA orthophoto map layouts

ortho_map_layout

SAGTA hybrid map layouts

hybrid_map_layout

SAGTA World Thematic Layouts

global_map_layout

SAGTA South Africa Thematic Layouts

sa_map_layout