线采样点
    
| Name | Type | Description | 
|---|---|---|
| points | Array.<Position> | Array.<string> | Array.<number> | |
| distance | Number | 
 SamplingByLine
        SamplingByLine
        
    | Name | Type | Description | 
|---|---|---|
| points | Array.<Position> | Array.<string> | Array.<number> | |
| distance | Number |