maptalks / maptalks/maptalks.js

地图倾斜时拖拽,有阴影,若无该切片,404时异常。

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Dominant language
HTML
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Description

**maptalks's version and what browser you use?**
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0.43.0
**Issue description**
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地图倾斜时拖拽,有拖影,若无该切片,404时拖影无法消失。
地图无倾斜时拖拽,是一个瓦片形状。404时为空白。
![image](https://user-images.githubusercontent.com/3997050/52621235-b9b9ed80-2ee1-11e9-96b3-d2f03bf97cf9.png)

**Please provide a reproduction URL (on any jsfiddle like site)**
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http://maptalks.org/examples/cn/map/drag-pitch-rotate/raw/index.html

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked reproduction URL using maptalks.js 0.43.0 and reproduce dragging while the map is pitched, including missing tiles that return 404. Compare the pitched and unpitched behavior; done means 404 tiles do not leave persistent drag trails or shadows.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
frontend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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