apache / apache/echarts-custom-series

violin chart - contours do not include negative values

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Dominant language
TypeScript
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Description

contours do not include negative values - [Demo](https://echarts.apache.org/examples/en/editor.html?code=lVXNbuM2EL77KVgfEtGm9ZM2LSBZG2w3KBCgiw3gAnsQdKAl2mIgk4JIJXa9evcOSUl2dosC9cEkZ4Yz38x8HAUBqrRuVBwELX3z91xX3bZTrC2k0Exov5CHgDa0qFjAioq2Wq2KTml5WIERZypo2U4FFaOlCg6Ui-C99pXLGoQlV3rY-7TT0j_A5kXNnOiTvbKxN56E0rSuWZvuOlFoLoWHz3NAhJRueaHnyShHwhP43DLdtQJ9prry6VaBaJ1GD_5v9wsvWomFwHHYv9IW6Ys_TRg-GxlPz33Cd57o6jpNTa6Q81H7DpXC5x9EaZYT_qNlspOtZzxS0JVUU8iCl-xPJva6IjINE7mmyXIpXdw6Zf4rrTvmhUTixIXnWZ3f3HhmSc873ir9aB2V7BhLYpzGWd5jYgxsDL_pVOWNniLwhPue1VCpf0Oofa7Z4ZmeaklLX50OW1lv-N8sMYBaokhHygssTIrpEGHyCodCyrb0spIUOSY7iHDtb0tF-ZWXutoUtGakSgHXcCEiYY6zMF9NknCQ4MVQ-d1DFO8waaAGZU5OqZGavjQ3N43_vhSp6ZOrMJxcmfF5LP8-9dpUEJVGpEsba0emtgNZRjudhoRBV9i682vbpIQtl1gv09bzxKrLWI4DhZOBXDrwRruFwtCDw_fpA4dlJ_S3b1EYkjfDkiO4P64PyRH8vrlWHYGSYeAdVhHGeKLMU_rmH2jjeddAXeBMkD2coOuYbIzTrfn7dP0yoErbAdqH6JKgSEfpKkrEB8CyWgm8dTiyu8Wracg2EzmsxK5RnmPLBUOe69xoy-gXGABcn5KNc3DWp4bF80bWp70Uc6IqCudzI7nQKt76quYF83BPlD7VoNjxuo6BTlx1tPbmhaxlO8dEOq_xwP8H_z7mfY_7EXoa9uQZoD-vn8YuLZfP7gk9XjPyKXs2iUACdhflaz8Mo4dPHgYwLuVH0C-r4G4xWJBHm3EPNkC4IaF9K7tmToqK12XLRLwhikNgHf8U9v3AhVM_sOIMr8pMqvi6b8Jv2R5mHWuvZ5o3d69wTjQ80R5CzmDufoQ5eKCaw4upT2i8h3TFkJuhyM3Q2bwDru-4YOX8p9QglTs0zOKbm2Hjw4T0_mOa4mQ2m8FMUBodzWNCKcpuP0txS9DtXx0zy1dW2lPVmeWPlptlQ7VdOnGbJ4MD86w2smsLZrxkt4_0ZGzstLjNwQxYiLyaacTBIExgWbuoYxvRcskxOs8Quni0DwjsoxAt3DiHbojSc1uYL_LgYVDdY7RE9wncncK8uDAvEGbyZGK8uBgIKb4XYPPe1RqF_j16QKsIxSgyDkc4NhOwt9cWyEHQVHgAOkB3EP_nCePobYnuoMbGx6U8A_ds6hnPiXMMNAW7ftbPZrKxH7LUwtRS1po38Yi5km8x0m3HiDE3f8ePR65GvaUsui2oZnvZQgem4LErthO8cA2sggRhMF0JvryytqYQbEfhizFFOA0R7MH4UkxPgGxO8VV-0zVH1Bhl1tCZXxBaPg74EBAd2Nw-wYQBnWPspLOT4fcTKMwEmsTDK5yKYX5XI2oEaE2nD1uMfhltEboaYjG0_deL5v2XC-rk31-U8ErH0R6ju3CQ25Sn5btsFTQE6jthZ6KQJSguEI-A4BIC8ETjafD4v-pwnfCQlnWTk1mf_AM&enc=deflate)
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Research direction

Start by opening the linked violin-chart demo and comparing its contour rendering with the attached screenshot, then locate the corresponding custom-series implementation in the repository. Reproduce the case with negative values and trace the relevant chart behavior. Done means the violin chart contours include negative values as shown by a regression test or an updated demo.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
data-visualization
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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