Echarts Map background Color gradient and Map scatter Bubble Chart

demand:
1. Only when the mouse moves over an area of a province on the map will the information of this area be displayed (such as Zhongshan, Guangdong, and the information that needs to be displayed only when it is moved to Zhongshan)
problem description:
1. To achieve this effect, only the echarts map scatter bubble chart can, but the background color of the bubble chart can not be changed gradually, so it is found that the background color of the map can not be changed gradually, and the color customization of each province is different at most, but it is also found that the color customization of each province is also based on the data, and the corresponding color
question: < br 1 > can be configured only if there is data. Can the map bubble chart and the background color of the map change gradually? If so, what should I do?
2. If it cannot be changed gradually, is it possible that the color of each province is different by relying on data?

Echarts
Mar.25,2021

at present, the color gradients of maps, bubbles and scatters are all set by data. generally speaking, the purpose of setting colors in these maps is to show the difference of the data. If you just want to change the appearance of the map, you can do so by setting the color of the map block separately.

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
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MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e9ce07-476d6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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