fme函数速查表格.doc

《fme函数速查表格.doc》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、2006GBTransformer2DArcReplacerReplacesthegeometryofthefeaturewithatwo-dimensionalarcwhoseshapeissetbytheparameters,whichcanbeeitherconstantfloatingpointvaluesorthevaluesofexistingattributes.改为二维圆弧，圆弧的形状由参数控制，例如常数或属性值2DBoxReplacerReplacesthegeometryofthefeaturewithatwo-dimension

2、alboxwhoseminimumsandmaximumsarefixedval-ues,oraretakenfromattributesintheoriginalfeature.改为二维矩形，矩形的最大最小坐标为指定的常数或原始要素的属性值（所获得的二维矩形与原图相同）2DCreatorCreatesatwo-dimensionalfeatureusingtheparameterssupplied,andsendsitintotheworkspaceforprocessing.根据参数创建二维要素，并输入转换流程2DEllipseReplacerR

3、eplacesthegeometryofthefeaturewithatwo-dimensionalellipsewhoseshapeissetbytheparameters.改为二维椭圆，椭圆的形状由参数控制2DForcerRemovesanyelevation(Z)coordinateswhichmay(ormaynot)havebeenpresentontheoriginalfeature.改为二维要素（删除Z坐标）2DGridCreatorCreatesagridoftwo-dimensionalpointfeatures,attheorig

4、inandusingtheoffsetsspecified.按格网方式生成一批二维点状（点是网格顶点）或面状要素，须指定原点和间距2DGridReplacerReplacestheinputfeatureswithagridoftwo-dimensionalpointfeaturesthathavethespecifiedspacing,andwhichcover(atleast)theboundingboxareaofallthefeaturesthatenterthetransformer.将输入的一批要素改为按格网方式生成的二维点状（网格顶点）

5、或面状要素，格网的围（至少）覆盖全部输入要素的外接矩形，格网间距须指定2DPointAdderAddsatwo-dimensionalpointasthelastvertexofthefeature.Theordinatesaretakenfromattributesintheoriginalfeature.给要素增加一个二维的节点（最后一个节点），其坐标由原始要素的属性获得2DPointReplacerReplacesthegeometryofthefeaturewithatwo-dimensionalpointwhoseordinatesaret

6、akenfromattributesintheoriginalfeature.改为二维的点，其坐标由原始要素的属性获得3DArcReplacerReplacesthegeometryofthefeaturewithatwo-dimensionalarcwhoseshapeissetbytheparameters,whichcanbeeitherconstantfloatingpointvaluesorthevaluesofexistingattributes.改为二维圆弧（注：原文如此），圆弧的形状由参数控制，例如常数或属性值3DCreatorCre

7、atesathree-dimensionalfeatureusingtheparameterssupplied,andsendsitintotheworkspaceforprocessing.根据参数创建三维要素，并输入转换流程3DForcerSetsalltheZcoordinatesofthefeaturetothevalueofthespecifiedattribute(ortheenteredfloatingpointnumber).改为三维要素，Z坐标由指定的属性或常数获得3DInterpolatorInterpolateselevatio

8、nvaluesalongalinearfeaturefromastartingvaluetoanending