# Change Log

### 4.2.0 - 2025-02-09

#### Breaking Changes 📣
- Upgrade @cesium/engine to version 13.1.0

#### Fixes 🔧
- remove the config context

### 4.1.1 - 2025-01-05

#### Breaking Changes 📣
- Emergency release to add analytics module

### 4.1.0 - 2025-01-05

#### Breaking Changes 📣
- Upgrade @cesium/engine to version 13.0.0

#### Fixes 🔧
- Fix map configuration not working
- Fix the wave circle animation

### 4.0.0

#### Breaking Changes 📣

- Changes to the underlying packaging for fixing a DC is not extensible issue when using node mode [#199](https://github.com/dvgis/dc-sdk/issues/199)
- Upgrade @cesium/engine to version 12.0.0.
- Remove `__namespace` global variable, suggest using `getLib` to get required third-party framework modules.
- Remove the extension module Viewer class and will use `CesiumWidget` as the scene builder class.

#### Additions 🎉

- Added SkyLine analysis feature
- Improve the anchor style function in Plot.
- Opened up some of Cesium's underlying native classes.

#### Fixes 🔧

- Fix mouse pickup issue

### 3.5.0

#### Breaking Changes 📣

- Upgrade @cesium/engine to version 9.1.0.
- Changed Ellipsoid entity class in overlay to Sphere entity class, Ellipsoid to Cesium.Ellipsoid

#### Additions 🎉

- Added custom TilingScheme for adding tiles by cutout origin and scale
- Added enable control overlay move-in and move-out listening parameters
- Add default Cesium clipping polygon

#### Fixes 🔧

- Fix for adding 3dtiles and baselayer to scene split component

### 3.4.0 - 2024-04-04

#### Fixes 🔧

- Optimize the introduction of errors in Node mode

### 3.3.0 - 2024-03-21

#### Breaking Changes 📣

- Upgraded @cesium/engine to version 8.0.0
- Optimize packaging, remove rollup packaging

#### Fixes 🔧

- Optimize aggregated layer calculation interval
- Solve raster tile deletion and destruction problem
- Solve bottom image deletion problem
- Solve the problem that single-image tiles can not be loaded

### 3.2.0 - 2023-09-25

#### Breaking Changes 📣

- Upgraded @cesium/engine to version 4.0.0
- framework to add development mode

#### Additions 🎉

- Added support for tileset hook events
- Added RasterTileLayer

#### Fixes 🔧

- Optimize camera position calculation

### 3.1.0 - 2023-08-06

#### Breaking Changes 📣

- Upgrading @cesium/engine to version 3.0.2
- Document building framework transformed from VuePress to VitePress

#### Additions 🎉

- Add support for cluster layer mouse events

#### Fixes 🔧

- Optimize component initialization for compatibility with third-party frameworks.
- Optimize coordinate conversion function

### 3.0.1

#### Fixes 🔧

- Optimization of measurement functions
- Optimize Google Maps
- Optimize weather effects
- Optimize Chinese documentation

### 3.0.0

#### Breaking Changes 📣

- Upgrade @cesium/engine to version 3.0.1.
- Changed framework dependency from Cesium to @cesium/engine, @cesium/widget library is no longer used, only `Viewer` related code is synchronized.
- Refactored framework packaging, `iife` and `node` generate separate framework packages.
- Refactor the directory structure of the framework library.
- Upgrade material `glsl` to 3.0.
- Remove the `mapv` layer and `s3m` layer, and remove their dependencies.
- Removed global functions `init`, `mixin`, `use`.
- Remove `Namespace` global attribute, you can get third party libraries through global function `getLib`.
- Modify the way of introducing framework `cdn` and `node`, the framework uses a whole package to load.
- Modify the framework entry function to use `ready().then()` as the framework entry.
- Modify the effect class constructor, need to pass `viewer` as parameter.
- Modify the scene dom structure, remove the useless dom.

#### Additions 🎉

- Add sample code to the framework library
- Add documentation code to the framework library
- Add latitude and longitude layers

#### Fixes 🔧

- Optimize aggregation layer, use third party library `supercluster` for aggregation calculation
- Optimize heat zone layer
- Fix a number of issues caused by upgrading the Cesium framework

### 2.17.0 - 2022-10-29

#### Breaking Changes 📣

- Upgrade Cesium to version 1.98.1
- Remove ModelCollectionPrimitive

#### Fixes 🔧

- Fix locatonbar mouse movement coordinate error
- Fix a coordinate conversion problem in transform
- Fix the tile mask issue

### 2.16.2 - 2022-09-13

#### Additions 🎉

- Open some Cesium native classes

#### Fixes 🔧

- Improve the scene export
- Improve terrain loading [#126](https://github.com/dvgis/dc-sdk/issues/126)

### 2.16.1 - 2022-08-21

#### Additions 🎉

- Add mixNum parameter for viewable fields

#### Fixes 🔧

- Improve Model Instance
- Improve heading math

### 2.16.0 - 2022-08-14

#### Breaking Changes 📣

- Upgrade Cesium to version 1.96.0
- Abandon the init function
- Modify Cesium introduction

#### Fixes 🔧

- Optimize the parabola function to add an end point to the calculation result
- Optimize the use of name space module.
- Fix the problem that the framework cannot be used due to repeated use in CDN mode.
- Fix an issue created by upgrading Cesium

### 2.15.0 - 2022-07-16

#### Breaking Changes 📣

- Upgrade Cesium to version 1.95.0

#### Additions 🎉

- Added flyToBounds and zoomToBounds functions
- Added code hint module
- Add scene rendering error subscription event

#### Fixes 🔧

- Optimize position bar elevation value [#109](https://github.com/dvgis/dc-sdk/issues/109)
- Fix the problem of incorrect recovery time of history track several times
- Fix the problem of wrong display of the end of history track[#107](https://github.com/dvgis/dc-sdk/issues/107)
- Fix the problem that the number of anchor points is wrong and the size cannot be set when editing the marker.

### 2.14.0 - 2022-06-04

#### Breaking Changes 📣

- Upgrade Cesium to version 1.94.2

#### Additions 🎉

- Add light cylinder primitive

#### Fixes 🔧

- Optimize overlay add and remove function
- Fix a bug that the history track clear function is not working [#102](https://github.com/dvgis/dc-sdk/issues/102)
- Fix the problem that editing circle doesn't work [#104](https://github.com/dvgis/dc-sdk/issues/104)
- Fix the problem that some analysis functions can't be used because of removing Cesium.when [#105](https://github.com/dvgis/dc-sdk/issues/105)

### 2.13.0 - 2022-05-08

#### Breaking Changes 📣

- Upgrade Cesium to version 1.93.0

#### Additions 🎉

- Added scene split
- Added s3m height offset setting [#98](https://github.com/dvgis/dc-sdk/issues/98)
- Add marker line add max anchor points [#99](https://github.com/dvgis/dc-sdk/issues/99)
- Add history track add model orientation setting (heading offset) [#100](https://github.com/dvgis/dc-sdk/issues/100)

#### Fixes 🔧

- Fix the problem that plot plot coordinates are empty [#95](https://github.com/dvgis/dc-sdk/issues/95)

### 2.12.0 - 2022-04-10

#### Breaking Changes 📣

- Upgrade Cesium to version 1.92.0

#### Additions 🎉

- Added 3dtiles splite effect
- Added FPS and MS parameters for LocationBar
- Added the ability to customize the logo (requires token)

#### Fixes 🔧

- Fix the problem caused by Cesium.when removal
- Improve the map splite effect

### 2.11.0 - 2022-03-12

#### Breaking Changes 📣

- Upgrade Cesium to version 1.91.0

#### Additions 🎉

- Added support for MSAA (a type of anti-aliasing)
- Added GPX layer
- Added S3M layer (as a separate package)

#### Fixes 🔧

- Fixes node-sass installation issues

### 2.10.0 - 2022-02-20

#### Breaking Changes 📣

- Upgrade Cesium to version 1.90.0

#### Additions 🎉

- Added map filter color feature
- Added framework support for vite

#### Fixes 🔧

- Fix Mapv module packaging issue

### 2.9.0 - 2022-02-08

#### Breaking Changes 📣

- Upgrade Cesium to version 1.90.0

#### Additions 🎉

- Added map filter color feature
- Added framework support for vite

#### Fixes 🔧

- Fix Mapv module packaging issue

### 2.9.0 - 2022-01-08

#### Breaking Changes 📣

- Upgrade Cesium to version 1.89.0

#### Additions 🎉

- Added protocol parameter settings when creating partial map tiles
- Add partial tool class name abbreviations

#### Fixes 🔧

- Solve the problem that right click menu content is still displayed when empty
- Fix overlay style setting overlay issue
- Solve the problem that some overlay setting labels are invalid

### 2.8.0 - 2021-12-04

#### Breaking Changes 📣

- Upgrade Cesium to version 1.88.0

#### Additions 🎉

- Add ground primitive layer
- Add both replacement and append FS modes for 3Dtiles
- Add water primitive holes param
- Add hot layer support for classificationType

#### Fixes 🔧

- Improve the function of clearing or removing the primitive layer
- Improve the history track function

### 2.7.0 - 2021-11-13

#### Breaking Changes 📣

- Upgrade Cesium to version 1.87.0

#### Additions 🎉

- Add overlay clouds
- Add get LayerGroup function

#### Fixes 🔧

- Improve the plot module

### 2.6.1 - 2021-10-23

#### Breaking Changes 📣

- Upgrade Cesium to version 1.86.0

#### Fixes 🔧

- Improve the DivIcon style
- Improve the Popup config
- Improve the terrian name option [#74](https://github.com/dvgis/dc-sdk/pull/74)

### 2.6.0 - 2021-10-10

#### Breaking Changes 📣

- Upgrade Cesium to version 1.86.0

#### Fixes 🔧

- Improve the MapSwitch [#70](https://github.com/dvgis/dc-sdk/issues/70)
- Improve the AroundView [#72](https://github.com/dvgis/dc-sdk/issues/72)

### 2.5.0 - 2021-09-04

#### Breaking Changes 📣

- Upgrade Cesium to version 1.85.0

#### Fixes 🔧

- Fix the problem that roaming cannot set parameters and the failed camera cannot move [#65](https://github.com/dvgis/dc-sdk/issues/65)
- Fix the problem that the gradient setting of heat layer [#66](https://github.com/dvgis/dc-sdk/issues/66)
- Improve the DivIcon style

### 2.4.2 - 2021-08-28

#### Fixes 🔧

- Hide the chart layer at the back [#55](https://github.com/dvgis/dc-sdk/issues/55)
- Hide the div icon at the back [#56](https://github.com/dvgis/dc-sdk/issues/56)
- Improve the position editor [#57](https://github.com/dvgis/dc-sdk/issues/57)
- Improve the terrain clipping [#58](https://github.com/dvgis/dc-sdk/issues/58)

### 2.4.1 - 2021-08-21

#### Additions 🎉

- Add support for layer mouse events [#53](https://github.com/dvgis/dc-sdk/issues/54)
- Add partial mouse default events [#54](https://github.com/dvgis/dc-sdk/issues/54)
- Add function to get tile information

#### Fixes 🔧

- Improve the plot function

### 2.4.0 - 2021-08-07

#### Breaking Changes 📣

- Upgrade Cesium to version 1.84.0

#### Additions 🎉

- Add bounce primitive overlays
- Add model collection primitive

#### Fixes 🔧

- Refine type property
- Improve mouse event
- Improve once event

### 2.3.2 - 2021-07-25

#### Additions 🎉

- Add model primitive to get node-related functions [#51](https://github.com/dvgis/dc-sdk/issues/51)

#### Fixes 🔧

- Improve the history track restore function [#50](https://github.com/dvgis/dc-sdk/issues/50)

### 2.3.1 - 2021-07-19

#### Breaking Changes 📣

- Refactored plotting function
- Remove Position rounding function
- Refine the infrastructure part of the script

#### Additions 🎉

- Add spatial measurement tools
- Add the plotting tool module
- Add function midCartesian to calculate the middle point of Cartesian3

#### Fixes 🔧

- Improve the Position copy function
- Improve the model editing tool for 3dtiles position editing function
- Improve the function area
- Improve the function of calculating the point position of a sector

### 2.3.0 - 2021-07-03

#### Breaking Changes 📣

- Upgrade Cesium to version 1.83.0

#### Additions 🎉

- Add constants for mouse mode
- Add property settings for globe terrain exaggeration

#### Fixes 🔧

- Improve the parsePositions for string coords

### 2.2.5 - 2021-06-26

#### Additions 🎉

- Adds line and face rotation conversion calculations

#### Fixes 🔧

- Improve the interpolation of history track
- Improve the function of plot for above the overlay
- Fix the problem of flickering when analyzing transformation parameters in the viewable field [#37](https://github.com/dvgis/dc-sdk/issues/37)
- Fix the problem that DivIcon cannot get the current coordinates set to (0,0,0) by default [#38](https://github.com/dvgis/dc-sdk/issues/38)

### 2.2.4 - 2021-06-12

#### Breaking Changes 📣

- Refactored the roaming function into first-person roaming and keyboard roaming [#34](https://github.com/dvgis/dc-sdk/issues/34)
- Original roaming function becomes history track, refine its pause and play [#35](https://github.com/dvgis/dc-sdk/issues/35)

#### Fixes 🔧

- Improve heading function
- Improve diffuse wall primitive
- Fixes RadarScan missing Cesium issue [#33](https://github.com/dvgis/dc-sdk/issues/33)

### 2.2.3 - 2021-06-05

#### Breaking Changes 📣

- Modify the `CESIUM_BASE_URL` setting, which can be set via the global property `baseUrl`, which defaults to `. /libs/dc-sdk/resources/`

#### Additions 🎉

- Add various base primitive such as point, line, billboard, text
- Add diffuse wall primitive

#### Fixes 🔧

- Improve the viewer destroy
- Refine mouse and context-menu events for primitive

### 2.2.2 - 2021-05-29

#### Additions 🎉

- Open some Cesium internal properties
- Add viewshed analysis
- Add contour line analysis

#### Fixes 🔧

- Improve camera general tools
- Improve the heading-pitch-roll setting of Tileset

### 2.2.1 - 2021-05-22

#### Additions 🎉

- Add camera video layer and plane video layer
- Add plane video overlay
- Add model primitive overlay

#### Fixes 🔧

- Improve the wind layer add fix the issue[#28](https://github.com/dvgis/dc-sdk/issues/28)
- Repair the problem that the auxiliary view cone of video fusion function cannot be displayed[#29](https://github.com/dvgis/dc-sdk/issues/29)
- Improve the video primitive
- Repair the problem that the animation function cannot be used after the scene time is stoped[#31](https://github.com/dvgis/dc-sdk/issues/31)

### 2.2.0 - 2021-05-09

#### Breaking Changes 📣

- Upgrade Cesium to version 1.81.0
- Rewrite the HeatLayer

#### Additions 🎉

- Add dynamic layer
- Add dynamic model and dynamic billbard
- Add model management functions for model expansion and merging
- Add daylight 、through-view function

### 2.1.4 - 2021-04-24

#### Additions 🎉

- Add map functions for creating TMS, Grid, Mapbox, MapboxStyle
- Add clipping module, including: globe clipping, terrain clipping
- Add GroundSkyBox

#### Fixes 🔧

- Improve the plot module and fix the issue[#26](https://github.com/dvgis/dc-sdk/issues/26)
- Improve the position editor module
- Fix the FeatureGridLayer show and hide issue

### 2.1.3 - 2021-04-17

#### Additions 🎉

- Open section Cesium internal functions
- Add FeatureGridLayer

#### Fixes 🔧

- Fix the plot bugs[#24](https://github.com/dvgis/dc-sdk/issues/24)
- Rewritten logo

### 2.1.2 - 2021-04-10

#### Additions 🎉

- Add DivIcon mouse-over and mouse-out functions
- Add resolution and viewBounds properties

#### Fixes 🔧

- Fix the problem that AroundPoint and AroundView will be accelerated by multiple starts[#22](https://github.com/dvgis/dc-sdk/issues/22)
- Fix the problem that mouse events do not work when the overlay is OSGB[#23](https://github.com/dvgis/dc-sdk/issues/23)

### 2.1.1 - 2021-04-06

#### Fixes 🔧

- Repair the problem that some modules version numbers are not uniform

### 2.1.0 - 2021-04-03

#### Breaking Changes 📣

- Upgrade Cesium to version 1.80.0

#### Additions 🎉

- Add GeoTools class, mainly using Turf for overlay related calculations

#### Fixes 🔧

- Modify the HtmlLayer set show error problem
- Improve the authentication rules of accessToken

### 2.0.0 - 2021-03-27

#### Breaking Changes 📣

- Refactor the entire framework code and modularize the code
- Consolidated previously scattered modules
- Refactored the dependencies on DC in each module package
- Redeveloped the user manual
- Support for custom installation and full installation of DC

#### Additions 🎉

- Added token authentication function. Authentication can use some analysis and point editor functions
- Add support for turf module, you can get turf by `const { turf } = DC.Namespace`.

#### Fixes 🔧

- Fix location bar time delay issue
- Fixed the problem of invalid speed setting for radar scan material