MrZhouZh commented on issue #20963:
URL: https://github.com/apache/echarts/issues/20963#issuecomment-2874779046

   @helgasoft 
   I still have some question for this. When dealing with larger datasets, the 
container resize still results in some offset. I suppose this is normal 
behavior? The offset calculations themselves are correct. My guess is this is 
caused by differing reference points. The series-line positions are relative to 
the Cartesian coordinate system (xAxis and yAxis), while graphic.elements are 
offset relative to the canvas container. So during scaling, the rendered line 
positions and graphic.elements positions may diverge.
   
   👉🏻 
[Demo](https://echarts.apache.org/examples/en/editor.html?helgasoft=graphic+resize+drag&code=PTAEGMHsDsBcCcCWAjArrRNTIJ6gBYCmANgOYCGAzpAGawB0UAtqAFBTSWyiLSKwB1RABNY-UAF5QADgAMsgDQ8-sABKFEpfNykA2eQG5WrSAAcMWKQG9WoUBljFCALlBXYhAB6xXAcniElIgAXoQQ-OTwsL5KlKjIHt5-wvDkpKA0iJ6Ewth4qKamhPCgTnQQkPDQxb4Avgq2oJ4Agp6IlK42dnawOEV-4OQepJU4MY12wkPkrgDaE90ARABMssvLALSyAKwbAMwAjIsN3Uur61u6-7LHC3Yra5uyAOz7RyenoA8XstJvt58vucngBOa4Az7fTYHWT_D6nKEbA4HcHws6PJGbQ4QhHnPZbFHYtH3PFbTbLaQ49HLfGyfFEu5Ata0gAsqMZ31puwZgM5l3ZvNJLzhHKFfx5kKFYL2N2JTJpSNhEtxzKRhNlotVByx701yzZskJRwWAF1GvVGjhWu1OgtKIMnK4EKhCGiQKBKKZiPwADK8FxuSj4SAAd2cNHIxEohFq5o-i1ISGEizmCy6kI4sHIvB95GQJBT9ngLrli1gZkLFNLSC0sELLMUHOQkFg5aYhekpbKddcKwApIsFrG7Cb4-XIMQMKZC-n7uBiFRKAA5chMQiFxbgCJRDbjyeIUwVABuxQ2W8isF3kAnU6pZZrpGKG_IbUod44mWqhedroW9_InD8Jg0AACKoKkFjQIWjYIi-7QAAqQLwHjwDOjL3L0RQbuA8CQJQb5yvcwSFjCshDnGjTRkggSpqcs7dFMWa0YCoDPOsujSPQBy6IRoC6CCLLSAcXEgrx2zSHsLJ7PQQm8boNLLNs9C6Nscn6ns0nbM8cl7CC8kiXJ2wgs8nHSDx6F8boezrPQOxyc8bHSQcexydIciy
 
PQimuSCMoydpFkcdIAn0Cy_ksXx2y6CyLL2W5nGqQFbnLCC9DbMsckggp9C6RlLzCc8CXhboHHRVx6WJTSwkHDFiXGSynmiYyo6MphAa-N61QxGwgLBM4SJ2O65agAA1oQhCHom5CmPgiDgKAkAniUHWEORI4fJN02zbapwkIQa5wB0oDzIC9GnK1fgBOA0S8UGU0BlYoAhiIYiuMiqkEBotavdIoAWuF7qeK46zlf9YA4K9-i8YDoDasJAksssbHReJqwsoVLHgzDzwpcZILccVBOE7xvWgIo3TumgpCuIgNCgMEAB8sigJd3AjIE82LfYXiwBZXA4I6bgWT03N-Jk2S5AAZKAKRpBQyBOOM4V2JkxDEH4IzEMIitKzQMCwAAyiEAbVRZf0sTLpBywLP68TAFuENAwgABSFAAlILSsVJwE6EPQxCQKQTsAAZ26kj6O84zhB0obtGJ7HBcBA4FCKI4hSEwOAAMLbgwj6CM9-BO67cdKwn3DgOB6iaNokigBn2cXvQedV7WRcl-Fw2eLXhT0LQNDRrAAAaoBgBX8Ap2I7cscNeBSD3fcDwAmiPSfwC32hT6cw6fGbdEWedoC-Ik10WdDyIHLxmPAzdvQC6dnzH34TALbwpDa-FKtq4fADENDyO_LFdZwENqEV6LJTaMm3iOc0rBahGCPJEUAJAmZSDMJBJuqRNrgHoLtfasBKCzFkCaIwnda5oOAhgqaM1sG4IdvgwhJp6BdzALwfgE98AkNnvNcwFCNrUJwU4PBBCiH0DwCwlQ69YBGFYDQVA0ArrAQIABYQTgABKgQjZFw9l7ROY92G13rjnJuhB86pzbo0Muq9JEGKzkY5un1tDmMaMgphtdSEACpV7sJLi4rhM9QCeLHpIkuhjG4DwAPI8JgE7B6fCtpIOIEzWoxdYGsAHgAFUQGuSA6AnagC0RIemSjHZqI0aEIuSgNJ7BSU9R2oZ6DkGEMIAAoieOAfouAO2KE7fwZTC
 BdQiCUwg6igihGLkAA)


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