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MapStitcher

Stitches aerial and map tiles into one high-resolution image

maps avalonia dotnet Personal

MapStitcher

Stitches aerial and map tiles into one high-resolution image — for example Esri imagery with a semi-transparent hiking overlay from OpenTopoMap or Mapy.com — so a chosen area can be printed or used offline at a detail no single screenshot gives.

  • Pick the area on an interactive map (centre + size, or drag a rectangle), choose the base and overlay layers and the tile zoom, and build. The result can be tens of thousands of pixels per side.
  • Layers: OpenStreetMap, OpenTopoMap, CyclOSM, Esri World Imagery / Topo, Mapy.com (needs a free API key from developer.mapy.com, stored in the user profile).
  • Downloaded tiles are cached on disk, so repeated builds of the same area are instant.
  • Ctrl+K command palette, System / Light / Dark theme switch (Ctrl+Shift+L; System follows Windows live), log tab, self-update from the TomLabs app store.

Projects

Project What it is
MapStitcher.Core Tile math, downloading with cache, stitching and composition (ImageSharp).
MapStitcher.App Avalonia desktop application.
MapStitcher Command-line variant for batch use.
TomLabs.AutoUpdate.Avalonia Shared self-update library (NuGet package from nuget.org).

Build

dotnet build MapStitcher.sln

Releases are portable single-file executables published by azure-pipelines.yml to https://apps.tomlabs.cz — pushes to main feed the nightly channel, tags v* the stable channel. The application updates itself from there.

Settings live in %LOCALAPPDATA%\MapStitcher\settings.json, logs in %LOCALAPPDATA%\MapStitcher\logs.

Changelog

Changelog

All notable changes to MapStitcher, newest first. Dates are release dates.

0.2.2 — 2026-09-24

Changed

  • The self-update library comes from nuget.org (TomLabs.AutoUpdate 0.3.2) instead of a git submodule; updates work as before.

0.2.1 — 2026-09-24

Changed

  • The theme switch now has a System option that follows Windows live; earlier Light/Dark choices were reset to System once.

Added

  • The header button shows the current mode (half circle = System, sun, moon) and Ctrl+Shift+L cycles System → Light → Dark; the command palette can set each mode directly.

0.2.0 — 2026-09-17

Added

  • Command palette (Ctrl+K): actions, layers and tabs with fuzzy search.
  • Light / dark mode toggle in the header; the choice is remembered, the OS preference applies until you pick one.
  • Self-update from the TomLabs app store with an update banner in the status bar and channel switching (stable / nightly).
  • Log tab: recent events live, filter by level and text, list of daily log files on disk.
  • About tab with version, update check, data paths and these release notes.
  • Keyboard shortcuts: Ctrl+Enter build, Ctrl+S save, Esc cancel, Ctrl+1…4 tabs, Ctrl+Shift+L theme.

Changed

  • New "ops console" look shared with the other TomLabs desktop apps: custom title bar, dense sidebar, hairline borders, one orange accent.
  • Version shown in the header comes from the build.

0.1.0 — 2026-09-14

Added

  • Interactive map for picking the area (pan, zoom, drag a rectangle) with OpenStreetMap, OpenTopoMap, CyclOSM, Esri and Mapy.com layers.
  • Stitching of a base layer with an optional semi-transparent overlay at any tile zoom.
  • Result viewer: downscaled preview with full-resolution crops when zoomed in, percentages relative to the full image.
  • Tile cache on disk so a repeated build over the same area does not touch the network.
  • Command-line variant for batch use.