helgasoft

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> 3\. Draw another box. (The previous box is cleared) That's because you need to select "Keep selections" first. Other than that, ```brushMode: 'multiple'``` operates as intended - [Demo](https://echarts.apache.org/examples/en/editor.html?code=PYBwLglsB2AEC8sDeAoWtJgDYFMBcyYOAHmAQOQBGATgK4DOAFrPTrgMZjkC-ANGrGIBBYhHoEkfAQE8RYiVPQ0GjCQPRhgwLJWDECAbXLUcncr1jkA1jhwhzl9rgCG1cgF1-6JXSYBZYAATfEsAW1osSBBcc3VYZSYAZTBpXAldamDqAGFtYGo8YxxAni9vCGgAIV9VZFBndggUggBGPm8OgHpO-NoAcwJ6xpTYdmdoaGAweJwWHGnNWBa44FowAHkAM2qVCSGm6QIABgA6AA5uAUVYXD6caEC8STLWaggccVgDONQOjWkQCFyPQxmAiG4LNBnKF8OQWvQuGUOvRpKFdFhEhAAF4hABMRyR3kCzjAzkMcQ6BhapwJsDOJyOABZPBTvAZ6UcAOwWABsJwAnABWFl_NktADMDIsnJOgrOItFX35DMFFnpZxaCtFVJaUrpJ3F4q1fypjL1Mp5PONlIlJ0ZvPOmsJNppDsN1rFZtp9P5VudYtxsodZ1xHvQBmVLVVsBlodZHqaOFCyVSISQ-2abVZ3VYHCIgQCwUK4UiEGiOFiopzbFMZCQieTKTSSHYeQKRRK3Gu6G7yFZKUBFBBJPBDihMMKuIelb-KLR2kxOII-P9xNJ5MVXxauujsbDX0lR3FFjNuKN_vDLUDuOl53PrPDgaON9gZsZnP3VJVFkl7ovXy9aMzV9T8-SPW9cWZf8qSfB1cT9B8t1g_UzigxCDBlI4zgsQVzlDaDcOfHCTh5eV439BsUzSOoQAaA48CzDpLnQdwUG4ABuFBQmkbJGFcMAThgAAKAAiBJGFzWtihEiwQBABAAD4-3QCBNlgIS5JOSgSXYRgDCOdwTkkzhihOXBoD6MBmCUloAEplO8TTtLAXT9MM4z8zck412cABJB4SBOWhoCYVSwCEuEEXgchbM4jonJ0vSDKMmsTMCKlDJ8_zgmIIKQsYMKIu8KdAmi2KVnAKBoBOTBcBqkgwHgVkEpcpL3NSzzkqygLctbaBQSE2BmpALTEq8jzigy7yST8nryp7AQ2FYIaOlASAYBqpo6qIUgmtFFrXOSib0q6mbspIARuN4_iUo2SrhLWqryu4WKgA). However,...

> I want it as default. Is there anyway to do this programmatically? I think yes, if we know the name of the "Keep Selections" **action** (which is currently undocumented),...

Sorry, the "Keep Selections" action is documented and called [takeGlobalCursor](https://echarts.apache.org/en/api.html#action.brush.takeGlobalCursor). Here is how to use it - [Demo](https://echarts.apache.org/examples/en/editor.html?code=nVVfb5swEH_Pp7j1BSIhFwhJKFEqtX2YpmnqQ_uWRQp_nATFsREYLSzKd9_ZQAusW9UiJeDz3e_-_M5nkclUcFjCeQQgU8loAGdJTzIAY_Od0gyeKKOxUio2ELKchkkFBZXwk0PM0vgAm3txarQ2wMUv42Ih1unulBaIpRdVdxHlZbHHBX6iSyFYJE4BrIwcAQwLjAN6Ve-Y0TA31sqkMfohEgzPOJZMphmjRmfrSVY69EjkCc0fBBN5gIhJHQxAyu8btyIL41RWATgXS-3gc30NUbkLoNmCOORcSIioTlQKcDSGKOXj9i8Ym_gX3NZ-GN1RngR1ngXNU4pZr7RxnS4mXGUqhyIOpaQ55snDIw0Mp8DcG5WiOkaCPaW_UdG1W2kSyrAFU8_KsYltgU9sr6mRluJ6bsGM3Ey7UmeidOdk6nelN8SeKgTf6ek6Ne5k0pN6NcJsNsD1lLcBgo5s9iaCT276CC7BGBDB7UfmoHRO3HUje9lMJT22ZLccOIqAmshC9yFNdKsMO-VVITi_4pzjTrc07dK83iHN5cmHSXNUuiqxTrZIzsQCj7j9ernEVap-T-oSG6Ue8eY9Xc3kZFBxLDhKvUHFZ9obhtDrG_SmOXOH7GjO_J7unNi-BdMBZ1Md2ZTM_I-Qpv7Xo8tiJHcMx5DMS7oYHauHfZhLIrh5pY93S-uVBVkGy1vNTLoFE63GkFNZ5nzRiLKMRKGM9yt7TVo7wijfyT3cgjNuWH1LTX0ryr7xhJ5IyYt9upWmOpxLY6zw_2HmvGmG2tghL5b1qCV6yBI1YpdNdd6PJBYcW8-E_xl0Y9AeVWUpK2ht9XnvqNfygePwUeOYNRz6ueAPxc_pkeJ8NLcl15cFmHWdW8skLTLl5U7vms3wr4-VDA_0KxNRyB7KvBB4vvTugeJ0NTT93UlfB9DeH43wuUaqr47uxvDKeOk5FTdGoJvuC74wEwsc2x4v_gA&enc=deflate). 📌 please close issue if problem solved.

1. That's an opinion option which could be proposed as a new Feature 2. Yes

ok, finally I understand - ```brushmode:'multiple'``` is expected to (and should) activate "Keep Selections", that makes sense.

yes, value is not set for ```format:'{c}'``` - it's a **bug**. workaround is to use ```formatter: x => {return x.data.coord[1];}```

Trading charts - always challenging. The main problem is vertical alignment (requirement # 3). If the chart is vertically static (no vert.zoom), then bar positions could be adjusted - [Demo](https://echarts.apache.org/examples/en/editor.html?code=lVbbbuM2EH33VwyQFnLQ2JIvshMFW2Dh7qJFs8CiAVqgQR4YibYJSKIg0omdrP99hxfdtcImD45NHs6cOXMhXRfuSZLFFCIiCUxg5kGWs5BCxlkqBbwwuQfJEiok4sQo5KmQBvKHOvEBHkYAbxoSgOPdBAvPuTKAAGa-N537cL6qY2Ze4DUw8-l1F9I0M5suO2ZmLTOL6bwLaZrxp-uOmXnLzHK66EKaZlZdwouWlesewouWmXWX8LJl5gbOo8fb0Qjz9C-PD4nN05bnsEQUjeiWpTSyOctJuqNFjp41vpEkva_c-N4E9UJHBhTAZOl7nlewqXALxK3quHU_boW4mzpuNbc4xZ5nkvEUabzhMcl5LFkW6B_4M2e7Hc3RCjky4SjDAOrrV1WAasPgEHnKlLMw50I4eu2Mn5pKTHc0jRAqeRbMrarHj2gl0KEDoIBftUbhnuQSjhPlAsZK90sNaHshku54frKEAHY5i_5KI3oMwCvWVC6CqhmmCcnGYyZpcgkffgf1ZaodFHjl84480bgKCiDnEn0FsPTtkib_QxUAxJ6_BKjbgRZAFKBtFVSNJETqs9tDGuoMjDOSk0RcNoBIgcpDnoLZnD6T-EBvawAlc_Ob-W-JVrXZ1NbUAmhzoldkvYVVoyPakliUEbluTe9ZsZpxwVQcePSJS8mTMju9yvYqoH02BbDh6x1wcQRi5f4Gzt9OJUIrcPx8VK5PAyV2sjLEdCuHoh-oLxGSGJH1VIssZvIOe76_IvpKaEgX55c3TeNsGqp20nVTomeSjqmkmRCVEJxLruuo8v9CjrYX-4uhUKE-oPCawabf96vSabz-UjCtV824vt7T3srmc12WPtNctATtVUj3HAqDuRjWBf5RPkquauuOYwimSHEm2a2yYhTv_zlPakXzJ8_ZK08lieEVd_RwN3IZCXkan_qUYqlgUeVbj7t2BW1ZjJF84ZE6QJNMnhrZalkUMRrM322x2DI9icv-r-XanqpMBzA3QtaqhOaSYX2bmMUpDfc5T9krXmZKALS1N_GLn2Cq-9AyffCuYKa1Np4ahFOeomJYu03muhxxe14Rf2GR3Fe8i_wJmjPabfkYO9LuNej29pCNQZ0Z1roe1nsuHb1ZFr5IOIrZGiOn5IljeTshy8O4omHW7zENAayKRUX0Xp7UKKpapNCnuoNCHnM1Ui785drbrDoTRVHrmBk-ZP-1JssTyQe0NqC22HgGLxr8_E_zxhemV-W6Ln45Yeriv2vsmN1S_qGwhy9mjHijcEhbYFsgzF6pajxh80szFgqL6tGn7Qr14HMubmabzdonBON2Lj5_3Fz71_bHp08r_MMf-DjrXIPGxIN9DKiAtQiP8O1blaaem7GslvYw7Xuv1G7y1hh7x8PFEh5P6g8Xe4FfTiX_zI40GnuXP3GZj8633wE&enc=deflate)....

> custom bars means `type=custom` yes, [this official example](https://echarts.apache.org/examples/en/editor.html?c=custom-profit) will show the way. Bars are just rectangle shapes.