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Changelog

All notable changes to the SDK and it's supporting scripts will be documented in this file.

The format is based on Keep a Changelog and the SDK package adheres to Semantic Versioning.

Refer to the wiki for instructions on how to Get Started or Update to a new version of the SDK.

0.11.2 - 2022-05-31

Maps SDK

Added

  • Various MapDeveloperKeySource options for MapSession.

Supporting Scripts

Added

  • MapSceneOfBoundingBox.

Fixed

  • Deprecation warnings related to UnityWebRequest.

Changed

  • Minimum cluster pin size is now two instead of three.

0.11.1 - 2021-09-17

Maps SDK

Added

Fixed

  • Network request errors affecting Unity 2021.

Supporting Scripts

Fixed

  • ClusterMapPinEditor throws exceptions on new projects.
  • String parsing issue causing service requests to fail.

0.11.0 - 2021-06-02

Maps SDK

Changed

  • The clipping volume now requires a dedicated layer for rendering. The layer is set to 23 by default and can be changed via the MapRenderer inspector.

Supporting Scripts

Changed

  • Various modifications to the cginc files to make code compatible with SRP HLSL shaders.

0.10.2 - 2021-04-22

Maps SDK

Added

  • Quality option to disable pre-caching of data around the current map.
  • Quality slider for elevation level of detail.
  • Classes for working with the WGS84: WGS84Datum, Vector3D

Fixed

  • IL2CPP build errors in 2020.3. #108

Supporting Scripts

Added

  • Linear map animation with smoothing at the start and end.
  • Option to always show a MapPin even when it's outside the map's bounds.
  • In scene view, Ctrl+Right-click on MapRenderer now provides a context menu to add a MapPin at the selected location.

Changed

  • Removed unused parameter in FilterNormals shader function.

Fixed

  • Editor UI now handles type load exception. #113

0.10.1 - 2020-12-11

Maps SDK

Added

  • MapRenderer.ApplyClippingVolumePropertiesToMaterial to allow synchronizing the values used to clip objects to the map bounds in a custom shader.

Supporting Scripts

Added

  • Overloads for HttpTextureTileLayer's URL format placeholders. "Zoom level" can be specified using {z}, {zoom}, or {zoomLevel}.

Changed

  • HttpTextureTileLayer's URL format placeholders are now case-insensitive.

Fixed

  • GC usage reduced in HttpTextureTileLayer requests.

0.10.0 - 2020-10-14

Maps SDK

Added

  • Enhanced 3D coverage for various cities in Japan.
  • Various code APIs for getting and setting render-related properties, e.g. terrain material, shadow casting, etc.

Fixed

  • Reduced runtime GC allocations.

Supporting Scripts

Added

  • New MapInteractionHandler components to handle touch and mouse interaction like pan, zoom, etc. Custom implementations can be derived for different input types.

0.9.2 - 2020-08-12

Maps SDK

Added

  • IsLoaded property on MapRendererBase to detect when map has completed loading all data for the current view. #31
  • DefaultTrafficTextureTileLayer to visualize traffic flow.

Changed

  • The language used for localiztaion of map content is now a property on the MapSession.

Fixed

  • Internal exception that prevents map from loading 2020.1. #86

Supporting Scripts

Added

  • WaitForMapLoaded class to that can be yielded until the map has completed loading all data for the current view. #31
  • Subdomain variable for HttpTextureTileLayer. #70

Changed

  • Increased MRTK hover light count in standard terrain shaders from 1 to 2.

Fixed

  • Mitigate side wall rendering glitch in MapShape.Block mode. #72

0.9.1 - 2020-06-18

Supporting Scripts

Added

  • Remaining types of MapRenderer transformations: TransformMercatorWithAltitudeToLocalPoint, TransformMercatorWithAltitudeToWorldPoint, TransformLatLonAltToLocalPoint

Changed

  • Renamed MapNavigation to MapInteractionController. Added APIs for panning and zooming to a specified coordinate/ray.

Fixed

  • MapPin location could not be changed once initialized. #66
  • MapLabel scaling was incorrect on first frame. #68

0.9.0 - 2020-06-11

This release consists of a large number of breaking changes. Various components have been moved out of the core DLL to the Supporting Scripts. See the Getting Started page for information on how to migrate from previous versions.

Maps SDK

Added

  • MapSession component manages developer key for associated MapRenderers and map services.
  • MapRendererBase provides an abstract base class component which includes the core map rendering functionality.
  • IPinnable interface is used for types that need to be geospatially anchored to the map, e.g. MapPin, ClusterMapPin.

Changed

  • MercatorBoundingCircle moved to Microsoft.Geospatial namespace.
  • MapRendererBase.LocalMapHeight now represents the total height extent of the map, which varies based on content.
  • MapRendererBase.LocalMapBaseHeight provides the height offset where map content begins rendering.
  • MapRendererBase.Language property can be changed at runtime.

Removed

  • MapRenderer, MapPinLayer, MapPin, ClusterMapPin, MapPinSpatialIndex, MapDataCache. These classes, or portions of, have been moved to the Supporting Scripts.
  • Removed Vector2D. Use MercatorCoordinate instead.
  • Removed LatLon.FromMercatorPosition. Use MercatorCoordinate.ToLatLonAlt instead.

Supporting Scripts

Added

  • MapRenderer component. Extends from MapRendererBase. Handles tracking children MapPins, managing the extents of the MapCollider, and managing map animations.
  • MapPin related scripts and implementation for indexing and clustering.
  • MapScene related scripts for animations.
  • MapDataCache determines cache size to use. On Android, this uses platform specific APIs to find a cache size that accounts for the application's memory limit. This class could be extended with improved implementations for other platforms.
  • Editor utlity to help migrate old component GUIDs to the updated values. The option is in Assets -> Maps SDK for Unity -> Upgrade Component GUIDs.

Fixed

  • Fixed bug preventing correct results from TransformWorldPointToLatLonAlt when the map object had scaling, translation, or rotation.
  • Fixed related issue where MapRendererBase.ElevationScale was not being applied to the transformations.

0.8.1 - 2020-05-27

Maps SDK

Fixed

  • Adds dependencies to fix linker error when building iOS applications.

0.8.0 - 2020-05-20

Maps SDK

Added

  • Localization improvements. The MapRenderer automatically detects device language and culture settings to localize map content. See the Localization section of the MapRenderer's settings.
  • Helper class to convert Unity SystemLanguage enumerations to LCIDs or culture codes.
  • Ability to modify or disable the collider being used for rough collisions.

Fixed

  • Enabled options in the DefaultTextureTileLayer to provide raster imagery with roads, borders, and labels. #34

0.7.1 - 2020-05-08

Maps SDK

Fixed

  • Meta files used for native plugins are now compatible with Unity 2018.4+. #52
  • Fixed bug that caused raycast to fail in some conditions.
  • Reduced overhead of clipping distance render pass.

0.7.0 - 2020-05-04

Maps SDK

Added

  • Native plugin that improves the efficiency of decoding map data and signifcantly reduces GC usage. Supported platforms: Android/iOS/Windows.
  • Compressed texture formats for model data on Android/iOS, reducing memory usage on these platforms.
  • Elevation scale API that can be used to exaggerate or flatten terrain. #50

Removed

  • Removed support for the deprecated UWP .NET scripting backend.

0.6.1 - 2020-04-17

Maps SDK

Changed

  • Removed 257x257 dimension restriction of ElevationTiles.

Fixed

  • Threading issue causing map data to not load. (#40)
  • Further reduced large temporary GC allocations on background threads.

Supporting Scripts

Added

  • UnityWebRequestAwaiterExtensionMethods to enable UnityWebRequests to be used with async/await.

0.6.0 - 2020-04-09

Maps SDK

Added

Fixed

  • More reduction of GC allocations. There are no longer allocations when the map is idle.
  • Copyright text not being culled and showing through map.
  • Copyright text misaligned in certain rotations.

0.5.1 - 2020-03-03

Maps SDK

Added

  • TextureTile.FromUrl API to simplify requesting images (JPEG/PNG) from the web. Custom implementations of TextureTileLayer will no longer need to interact with UnityWebRequest or HttpClient to request imagery.
  • UnityTaskFactory provides some utility APIs to run async tasks on Unity's main thread.

Changed

  • TextureTileLayer API return type has been changed to a Nullable<TextureTile>. This is a breaking change if you have implemented a custom TextureTileLayer.

Fixed

  • Empty textures on iOS caused by DXT1 texture format. Any DXT1 texture will now be transcoded to RGB24 (on iOS only).
  • Large reduction in overall size and frequency of GC allocations caused by the MapRenderer.

Supporting Scripts

Changed

  • HttpTextureTileLayer updated to leverage TextureTile.FromUrl API.

0.5.0 - 2020-01-08

Maps SDK

Added

Changed

  • New approach for rendering side walls of map. Does not rely on geometry shaders.

0.4.2 - 2019-12-11

Maps SDK

Added

  • The maximum cache size used for storing map data is now configurable. See the Quality Settings section of the MapRenderer's editor. (#35)

Changed

  • The default MapRenderer cache size has been lowered. Currently the cache size uses 1/3 of system memory, but can be no larger than 2GB. The maximum size is now configurable. (#35)

Fixed

  • Intermittent exception message related to TextureTileLayers. (#35)
  • The MapRenderer now respects layer setting of the GameObject. MapPins and MapLabels automatically use same layer as parent MapRenderer. (#32)

0.4.1 - 2019-11-15

Maps SDK

Added

  • The DefaultTextureTileLayer now supports Bing Maps symbolic imagery as well as aerial imagery with road and label overlays. Previously aerial imagery (without road overlays or labels) was the only imagery type supported.

Supporting Scripts

Added

  • HttpTextureTileLayer component that makes it easy to stream texture tiles by specifying a formatted URL.
  • More Editor UI improvements around TextureTileLayer. Right-clicking a tile layer in list now brings up option to edit the underlying script.

Changed

  • MapRendererTransformExtension APIs renamed to more closely follow Unity's transformation-related methods.

0.4.0 - 2019-10-23

Maps SDK

Added

  • TextureTileLayer class that can be extended to customize imagery used by the MapRenderer. Implementations can request data from other Web Mercator tile services, load texture data from disk, or generate textures on the fly. Multiple TextureTileLayers can be used and layered together, e.g. to overlay partially transparent textures like weather data.
  • DefaultTextureTileLayer is added automatically to the MapRenderer. Pulls sattelite aerial imagery from Bing Maps.
  • Option to enable MRTK hoverlight functionality on the MapRenderer terrain.

Fixed

  • Spammy error logging when key is invalid.
  • Inaccurate results when raycasting elevation data.
  • Inaccurate rendering of elevation data.

Supporting Scripts

Added

  • MapContourLineLayer renders lines of constant elevation. Line interval and color can be changed dynamically.
  • Various editor scripts for modifying TextureTileLayers.

0.3.0 - 2019-08-26

Maps SDK

Added

  • Ability to increase or decrease the terrain quality of the MapRenderer.
  • Ability to disable high-res 3D terrain models, i.e. only use height-map based elevation.
  • Ability to render only a flat map surface by disabling aforementioned 3D terrain sources.
  • In-editor mouse controls to drag the center of the MapRenderer and adjust it's zoom level. Similar mouse controls added for MapPins to allow for adjusting a pin's position relative to the map.
  • MapPinLayer now supports serialization of it's children items, so MapPins can be added to the layer in the editor rather than strictly at runtime.

Changed

  • Copyright settings for MapRenderer now managed by separate component, MapCopyrightLayer. This component is auto-added to GameObjects with a MapRenderer component.

Fixed

  • Handle case when developer key isn't present more gracefully. Less console spam and MapPins will continue to position correctly.

Supporting Scripts

Added

  • Initial Bing Maps service API. Currently supports geocoding and reverse geocoding via the LocationFinder.
  • Editor scripts for various components have been moved out of the DLL and are now available in the supporting scripts.

Changed

  • Editor UI refresh for MapRenderer. Among other visual improvements, the developer key field acts as a password field and the value is now hidden by asterisks.

0.2.3 - 2019-07-15

Maps SDK

Added

  • MapScene animation-related logic has been modularized and is now customizable. Default implementation moved to supporting scripts.
  • Refreshed editor UI for the MapRenderer.

Fixed

  • Clamp boundary values for various MapRenderer properties like center and zoom level.

Supporting Scripts

Added

  • Method to calculate scale ratio between the map and Unity's world space.
  • DefaultAnimationController implementation used for animating MapScenes. This implementation improves the animation speed to account for the logarithmic scaling of zoom level.

0.2.2 - 2019-06-12

Maps SDK

Added

  • Additional max distance parameter for the raycast API.
  • Provide normal and distance in the raycast result.

Supporting Scripts

Added

  • Extension class to MapRenderer for transforming points between Unity's world and local coordinate spaces to the map's geographic coordinate system (latitude, longitude, and altitude).

0.2.1 - 2019-05-28

Maps SDK

Fixed

  • Rolled back elevation fallback logic which was based on BC1 texture support of the device. Unity is decoding BC1 to RGB automatically.

0.2.0 - 2019-05-24

Maps SDK

Added

  • Raycast API on MapRenderer to return hit point and corresponding LatLonAlt of a ray intersection with the map.

Fixed

  • Perf improvement for rendering. Reduces number of vertices required in certain views.
  • Map edge no longer disappears when the map surface is above the viewport.
  • Android/iOS compatibility improvements: High-res meshes would render incorrectly on devices that do not support the BC1 texture format. If the device lacks BC1 texture support, fall back to elevation-only rendering instead, which uses the widely supported RGB texture format.

0.1.5 - 2019-05-07

Maps SDK

Fixed

  • Networking performance improvements.

0.1.4 - 2019-04-30

Maps SDK

Fixed

  • Copyright text is now positioned correctly when the map layout is not using the default dimensions.
  • Cleaned up the ClusterMapPin editor UI to remove unnecessary properties.

0.1.3 - 2019-04-23

Maps SDK

Fixed

  • Regression in MapPin size when using real-world scale.

0.1.2 - 2019-04-22

Maps SDK

Added

  • Altitude can now be specified on MapPins.
  • Maps SDK-related components will now have their help icons direct out to the relevant wiki doc page.

Fixed

  • Custom Maps SDK component icons for the editor are now working again.
  • MapPins childed to MapRenderer are positioned correctly in editor after script reloading.

0.1.1 - 2019-04-16

Maps SDK

Fixed

  • Elevation terrain tiles will now fall back to lower LODs correctly.
  • Seams between tiles should now be much less visible.

0.1.0 - 2019-04-09

Maps SDK

Added

  • MapRenderer component that handles streaming and rendering of 3D terrain data.
  • MapPinLayer that allows for positioning GameObjects on the MapRenderer at a specified LatLon.
  • Ability to cluster MapPins per MapPinLayer. This allows for efficiently rendering large data sets.
  • Ability to animate the position and zoom level of the map via the SetMapScene API.
  • MapLabelLayer for displaying city labels.
  • Support for shadow casting and receiving of the map.
  • Option to use a custom material for terrain.

Supporting Scripts

Added

  • Shader for rendering terrain with support for shadows, heightmap offsets, and clipping to the MapRenderer's dimensions.
  • Shader for rendering side of map. Dynamically generates appropriate triangles by the geometry shader. Supports shadows.
  • Script with helper functions to navigate the MapRenderer, e.g. panning and zooming.
  • Script for animating map to the specified location and zoom level.