dc-sdk/CHANGES_en.md

# Change Log

### 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