在 Vega 中,可以从数据中获取颜色值,如下所示:维加的例子 https://vega.github.io/editor/#/url/vega/N4KABGBEAkDODGALApgWwIaQFxUQFzwAdYsB6UgN2QHN0A6agSz0QFcAjOxge1IRQyUa6SgBY6AK1jcAdpAA04KAHdGAExbYwAVgAMuxREgpG1fFoBM+w1ELo1axjOpbtipZDXo8mHAG0lCFAIEKgZdFRkLUgfdgAbKJtQyAp0ONZkWC0A0NDgSAAPLQMoAE9LEsg49HZkOOjMeSh4bjjuACdogGIAMx79fUgAXyTc-KKcAEYmyHKcAGY3KGra+pxIRubWju6+gd1h0bzCyxm5sEnKlbqGhS22zvXe-oHDwLGThbOtSaWqmpu602kBaD12L0GI3exwmYFE3xwogAHDNrmsoMDQTsnntXlDciFxq4EWALCjlgD0Rs7iDto8oM99m8CUFPmAAGwk9mcimrW4zLH0yCMvFHQlsgDsJIsUt5gIxNMF4KZ+JZRJw5NmPx5-z5QMVdOVouh4thAE5pX80fz7tiGbjIe4WWB1WBKucyajKdF2AawU99LjmWq2dMylpRPMvXqoL6BYaA7og6qCa6LCSkWHdfLIHHbUKuoGXsHU2yo+Gpha5VS87T-Qyi46TazYfCKzp09WfX67cLGwcUx9YX8PW3szWewX+yWh1odeckbLx934-W+0ni4OYVol+dJkvreta0rE8mxS2tJrzuzNYfY5PutOt6atFWtYi33fcw-T5uTQBdd4hiUf8bEgBA0kybJ3mCXJIHCSJoiKMUYlKQgonWQhuCcPAFBNSB2nQZwMJUdRNBQtRuAwJwtHyLwfGiWIEhpHpGDqNQkOGIDRlg5IEJIrUULwNCBLiJxkHQToUMI4johMMxcJQmRGHgEi8HaDIUIAL2QdpuC0dTNPwyjqLkHA6O8XwoCYxIoFY9jonKYDQmcsBQI8dACig-wYMgDo2JkXCj24AgqJpCDmPWIpB3yfzkEC6IEh6RSoAigSnJAsCMHaABrLIfLyfDhPQ6JqD01hCDwglIB6PTUFo5s7PQVSgpdRqjH46JYF0tisnPEJPEsxiamY-qjDK7gKvYc5l0a1yXJQ7K8ug51eJZVCSvWMSZESdq7Lq2jBoY9ZuvaXqZ2q+KWjUEi1udSB4rwXSGudarYXyNLOJmey4g4qKLte98XXA+BIMcli2N+8Hn3u2B1O4HLbpqyG-vzLjXpCeaWSxlyAKAkCQGAoA/
有没有办法用 Vega-Lite 做到这一点?Vega-Lite 中的示例 https://vega.github.io/editor/#/url/vega-lite/AQbwUMnARAJAzgYwBYFMC2BDaAuGyAXAgB3hwHpyA3VAc0wDpaBLA5AVwCMHmB7cpGizU6mALQAbVqmoAmBgCt4vAHbQANBCjQAJqiQAnZsQJ81eaABFMBTMF40DwACrN0qBhq2RoAd2Y6bLjAAKwADGGaUPiozLSEwbIRUdo6Nth44NE+KpjuwbrpADLM8ARe2TBUmBLs+sEA2t7ZINAAHsGRMACeiV3QiLwSvAYFAMQAZhMREdAAvimVrR14AIzqPcEAzCEbA0Mj41MzYfOLLe2Je71r-YPDoxaT0zNnzdHL29fBq7sw94cnsdXgt3lBPngACzfKEADj2AMeMGeJzelUgENCMOAsnh-wOSOgKJB5w+lzwADZsRSqfiHkcXrNQejQOTgAB2bGyTl0wHI4FM0ngtl46A3YCrWn7elAxmnZnozEATi5f2lfKJAvlmjBGLZ-XFuIRBPGEWBaMVbPWmyhW2NMuRZpeFqWbNk2Nh1vVhLGTsFutZK2AdptEpVvJ9fu1Acx0NDIXdEdNYXNCtdQbVhrj3uTqaFeqDUvFsJ5OaeUZdFyDpfFq1LiNzzrTVeCovFFNFDfLKab+cDwXDYuCkMHXcdPaZYIAus1m9AsAYANbBLLZaAEbrEVAFKQqbezjZQZrQVAqQY6ZgqWgrsFs1eVaATZioCQ6AodPvrzfbiwAR3YmAqKYtimDQ0Bgs2Pjive0SPs+r4FL0n4bluBT-oBwE2MwYEQUKZagAGcEvm+FgNp+Eh0KeJHACo7ASBIyHfrg0AqLw6CXjU4GVHMs5aHMQA
是的,您需要设置scale
to null
在你的颜色属性中。
"encoding": {
"x": ...,
"y": ...,
"color": {
"field": "color",
"legend": null,
"type":"nominal",
"scale": null
}
}
要直接对数据值进行编码,可以将scale属性设置为
无效的。
https://vega.github.io/vega-lite/docs/scale.html#disable https://vega.github.io/vega-lite/docs/scale.html#disable
希望能帮助到你!!
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