| ExpressionEvaluator |
Evaluates an arithmetic expression and returns the result in a new attribute. |
表达式计算，结果输出为新的属性 |
| Extender |
Creates extensions to linear features. |
延长线状要素 |
| FeatureMerger |
Merges the attributes of one feature onto another feature. |
将一个要素的属性合并到另一个要素 |
| FeatureTypeExtractor |
Adds an attribute containing the original feature type of a feature. |
获得要素类型并输出为新的属性 |
| FeatureTypeFilter |
Separates the features routed to it into their original feature types, if possible. |
根据原来的要素类型重新区分输入的要素 |
| GeometryCoercer |
Resets the geometry type of the feature. |
改变要素的图形类型 |
| GeometryFilter |
Routes a feature based on its geometry type. |
根据要素的图形类型进行分类输出 |
| GeometryRemover |
Completely removes the geometry of the feature. |
删除图形数据 |
| GlobalVariableRetriever |
Reads the specified global variable and puts its value into the specified attribute. |
读全局变量的值，写入属性 |
| GlobalVariableSetter |
Creates and sets the specified global variable to the value of the specified attribute. |
根据属性的值创建并设置全局变量 |
| GMLFeatureExtractor |
Constructs GML documents from the input features and stores them in the specified attribute for the features that are output by the GML port. |
根据输入要素构建GML文档并写入属性 |
| GMLFeatureReplacer |
Constructs features out of GML documents that are stored in an attribute of the input features. |
根据属性中存储的GML文档构建要素 |
| GOIDGenerator |
Calculates a GOID (Geographic Object IDentifier) for each incoming feature, and adds it as a new attribute. The GOID is a unique 128-bit number that incorporates the position of a feature with other numbers. |
为输入的要素分别生成图形对象标识(GOID)，GOID是一个唯一的128位的数字，其中包含了要素的位置和其它一些数字 |
| Grepper |
Performs a regular expression match on the value of the specified attribute. |
对属性值进行表达式匹配性判断 |
| HexDecoder |
Decodes the given attribute into a new attribute, by converting its encoded hexadecimal value into a new ASCII string. Decodes a value that has been encoded from the HexEncoder. |
将16进制编码的属性解码为ASCII字符串，输出为新的属性 |
| HexEncoder |
Encodes the given attribute into a new attribute, by converting its ASCII value into a hexadecimal string. Can be undone with the HexDecoder. |
将属性中的ASCII字符串编码为16进制，输出为新的属性 |
| HoleCounter |
Adds a new attribute whose value is the number of holes in the feature. |
获得环中的孔的数量，输出为新的属性 |
| InsidePointExtractor |
Generates a point guaranteed to be inside the area feature, and adds the coordinates of this point to the feature as attributes. |
生成多边形或环的内部点，其坐标写入属性 |
| Intersector |
Computes intersections between all input features, breaking lines and polygons wherever an intersection occurs. |
计算所有输入要素的交点并打断线、面 |
| Joiner |
Queries a database to retrieve attributes associated with a feature. |
查询数据库，获得与要素相关联的属性 |
