CesiumGS/cesium

Add exportKML support for entity instances with Elipse graphics

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#9,344 建立於 2021年1月26日

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 (2 留言) (1 反應) (0 負責人)JavaScript (11,758 star) (3,324 fork)batch import
category - entitygood first issuetype - enhancement

描述

This pull request - #7921 added exportKml function to entity instances with Point, Billboard, Model, Label, Polyline and Polygon graphics. It would be useful if this could be expanded to include Elipse graphics as well

貢獻者指南

技術棧
javascript
領域
dataapi
議題類型
feature
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
1-2 days
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
JavaScriptCesium entity APIKML export
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
75
研究方向
Refer to PR #7921 which added exportKml for Point, Billboard, etc. Study that implementation to understand the pattern. Investigate Cesium's EllipseGraphics class and how its properties (e.g., semiMajorAxis, semiMinorAxis) map to KML elements. Check the KML specification for representing ellipses (e.g., using a Polygon with coordinates or a custom geometry). The main file to modify is likely Source/DataSources/exportKml.js or similar. Discuss any questions in the issue comments.