2b:null 2c:["$","title",null,{"children":"d3.scale test | lengfengif | Observable"}] 31:T1fa7,svg` `32:T1fc7,svg``33:T1ffe,svg` `34:T239a,svg``35:T23ee,svg``36:[] 2f:{"id":"8488a23252b645e5","slug":"d3-scale-test","title":"d3.scale test","thumbnail":"36b89142720e6d7033ce609027593977e6669be8a2b31cd6a07e0c85c120b511","access_level":"public","create_time":"$D2020-05-15T05:34:53.154Z","update_time":"$D2020-05-21T06:10:37.426Z","view_time":null,"first_public_time":"$D2020-05-15T06:59:47.509Z","fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"0a00b6ddf6fe5a3b","login":"lengfengif","name":"","avatar_url":"https://avatars-next.observableusercontent.com/0418fe23df4fa517be8cbd4545a258e4f52509fbd803fb3f075c54dcd5301c51","tier":"starter_2024"},"version":511,"publish_version":511,"role":null,"authored":false,"authors":[{"type":"individual","id":"ffeee835b9841b14","login":"lengfengif","name":"","avatar_url":"https://avatars-next.observableusercontent.com/0418fe23df4fa517be8cbd4545a258e4f52509fbd803fb3f075c54dcd5301c51","tier":null}],"members":[{"type":"individual","id":"ffeee835b9841b14","login":"lengfengif","name":"","avatar_url":"https://avatars-next.observableusercontent.com/0418fe23df4fa517be8cbd4545a258e4f52509fbd803fb3f075c54dcd5301c51","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":1,"collection":null,"type":"notebook","body":{"title":"d3.scale test","cells":[{"id":0,"value":"md`# d3.scale test`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":302,"value":"md ` # d3.scaleLiner()`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":8,"value":"{\n var scale = d3\n .scaleLinear()\n .domain([0,4])\n .range([0,100]);\n \n var num = [];\n \n for (let i = 0 ; i <= 5 ; i++){\n num[i] = scale(i);\n }\n \n return num ; //domain < range\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":253,"value":"{\n var scale = d3\n .scaleLinear()\n .domain([0,1])\n .range([0,100]);\n \n var num = [];\n \n for (let i = 0 ; i <= 3 ; i++ ){\n num[i] = scale(i);\n }\n \n return num ;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":283,"value":"$31","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":257,"value":"tex.block ` unti= \\frac {range(1)-range(0) } {domain(1)-d(0)}`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":136,"value":"md` //对应关系为 lower value(0) => lower , upper=> upper 超出domin的输入值依旧遵循比例关系 domian 和range 都是范围。` ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":79,"value":"{\n var scale = d3\n .scaleLinear()\n .domain([0,100])\n .range([0,10]);\n \n var num=[];\n \n for (let i = 0 ; i <= 101 ; i++){\n num[i] = scale(i);\n }\n \n return num ; // domain > range \n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":170,"value":"md` //domain > range 时比例关系`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":101,"value":"{\n var scale = d3\n .scaleLinear()\n .domain([0,100])\n .range([0,100]);\n \n var num = [];\n \n for (let i = 0 ; i <= 100 ; i++ ){\n num[i] = scale(i);\n }\n \n return num ; // domain == range \n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":103,"value":"{\n var scale = d3\n .scaleLinear()\n .domain([100,0])\n .range([0,10]);\n \n var num = [];\n \n for (let i = 0 ; i <= 100 ; i++ ){\n num[i] = scale(i);\n }\n \n return num ;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":177,"value":"md` //domain(0) =100 `","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":104,"value":"{\n var scale = d3\n .scaleLinear()\n .domain([0,9])\n .range([0,100]);\n \n var num = [];\n \n for (let i = 0 ; i <= 5 ; i++ ){\n num[i] = scale(i);\n }\n \n return num ;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":198,"value":"{\n var scale = d3\n .scaleLinear()\n .domain([0,9,2,1,4])\n .range([0,100]);\n \n var num = [];\n \n for (let i = 0 ; i <= 5 ; i++ ){\n num[i] = scale(i);\n }\n \n return num ;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":200,"value":"md` //只接受 domain（0），domain（1），之后将被忽略 `","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":307,"value":"md` # d3.scaleBand()`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":216,"value":"{\n var scale = d3\n .scaleBand()\n .domain([\"a\",\"b\",\"c\"])\n .range([0,100]);\n \n return scale(\"c\") ;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":245,"value":"$32","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":311,"value":"md ` //domain为离散型 range 为范围`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":273,"value":"{\n var scale = d3\n .scaleBand()\n .domain([\"a\",\"b\",\"c\"])\n .range([0,100]);\n \n return scale(\"d\") ;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":288,"value":"md` # d3.scaleOrdinal()`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":321,"value":"{\n var scale = d3\n .scaleOrdinal()\n .domain([\"a\",\"b\",\"c\",\"d\"])\n .range([0,200]);\n \n return scale(\"c\") ;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":331,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":335,"value":"{\n var scale = d3\n .scaleOrdinal()\n .domain([\"a\",\"b\",\"c\",\"d\"])\n .range([\"x\",\"y\",\"z\"]);\n \n return scale(\"d\") ;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":343,"value":"$34","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":405,"value":"md`# d3.scaleThreshold()`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":408,"value":"{\n var scale = d3\n .scaleThreshold()\n .domain([1,120])\n .range([\"a\",\"b\",\"c\"]);\n \n return scale(121) ;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":473,"value":"$35","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":483,"value":"{\n var color = d3\n .scaleThreshold()\n .domain([0, 1])\n .range([\"red\", \"white\", \"green\"]);\n\ncolor(-1); // \"red\"\ncolor(0); // \"white\"\ncolor(0.5); // \"white\"\ncolor(1); // \"green\"\ncolor(1000); // \"green\"\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":459,"value":"md` //domain 为范围， range 为离散`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":211,"value":"md` # Appendix`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":208,"value":"d3 = require(\"d3@5\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"}],"files":"$W36","stdlib":"1","titling":"auto"}} 30:"$2f:body"