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[原创]FME函数速查手册(3)-Transformer Quick-Reference(3)

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更多 发布于:2006-08-19 09:31
<TABLE  cellSpacing=0 cellPadding=0 width=653 border=0 x:str>
<COLGROUP>
<COL style="WIDTH: 104pt; mso-width-source: userset; mso-width-alt: 4448" width=139>
<COL style="WIDTH: 194pt; mso-width-source: userset; mso-width-alt: 8288" width=259>
<COL style="WIDTH: 191pt; mso-width-source: userset; mso-width-alt: 8160" width=255>

<TR  height=30>
<TD class=xl24  width=139 height=30 x:str="AttributeFileWriter "><FONT size=2><FONT face=Verdana>AttributeFileWriter </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Writes the contents of the specified attribute to a file. "><FONT size=2><FONT face=Verdana>Writes the contents of the specified attribute to a file. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>将属性值写入数据文件</FONT></TD></TR>
<TR  height=45>
<TD class=xl24  width=139 height=45 x:str="AttributeFilter "><FONT size=2><FONT face=Verdana>AttributeFilter </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Routes features to different output ports depending on the value of an attribute. "><FONT size=2><FONT face=Verdana>Routes features to different output ports depending on the value of an attribute. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>属性过滤:根据属性值区分为不同的输出</FONT></TD></TR>
<TR  height=30>
<TD class=xl24  width=139 height=30 x:str="AttributeKeeper "><FONT size=2><FONT face=Verdana>AttributeKeeper </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Removes all attributes from the feature, except those chosen in the list. "><FONT size=2><FONT face=Verdana>Removes all attributes from the feature, except those chosen in the list. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>保留指定的属性,其余全部删除</FONT></TD></TR>
<TR  height=30>
<TD class=xl24  width=139 height=30 x:str="AttributePrefixer "><FONT size=2><FONT face=Verdana>AttributePrefixer </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Adds a prefix or suffix to all attributes coming into the transformer. "><FONT size=2><FONT face=Verdana>Adds a prefix or suffix to all attributes coming into the transformer. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>给所有输入要素的属性增加前缀或后缀</FONT></TD></TR>
<TR  height=90>
<TD class=xl24  width=139 height=90 x:str="AttributeRemover "><FONT size=2><FONT face=Verdana>AttributeRemover </FONT></FONT></TD>
<TD class=xl26  width=259 x:str="Removes the attributes chosen from the feature. This is normally not necessary unless the feature will later be processed by a transformer that merges attributes onto it from other features. "><FONT size=2><FONT face=Verdana>Removes the attributes chosen from the feature. This is normally not necessary unless the feature will later be processed by a transformer that merges attributes onto it from other features. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>删除指定的属性。通常在需要合并获得其它要素的属性之前才需要做</FONT></TD></TR>
<TR  height=15>
<TD class=xl24  width=139 height=15 x:str="AttributeRenamer "><FONT size=2><FONT face=Verdana>AttributeRenamer </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Renames a set of attributes. "><FONT size=2><FONT face=Verdana>Renames a set of attributes. </FONT></FONT></TD>
<TD class=xl24  width=255><FONT face=Verdana size=2>属性改名</FONT></TD></TR>
<TR  height=45>
<TD class=xl24  width=139 height=45 x:str="AttributeReprojector "><FONT size=2><FONT face=Verdana>AttributeReprojector </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Reprojects attributes holding coordinate values from one coordinate system to another. "><FONT size=2><FONT face=Verdana>Reprojects attributes holding coordinate values from one coordinate system to another. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>对属性中包含的坐标进行投影变换</FONT></TD></TR>
<TR  height=30>
<TD class=xl24  width=139 height=30 x:str="AttributeSetter "><FONT size=2><FONT face=Verdana>AttributeSetter </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Sets an existing attribute to a constant value. "><FONT size=2><FONT face=Verdana>Sets an existing attribute to a constant value. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>指定属性值为常量</FONT></TD></TR>
<TR  height=60>
<TD class=xl24  width=139 height=60 x:str="AttributeSplitter "><FONT size=2><FONT face=Verdana>AttributeSplitter </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Gives values to a number of attributes (with the specified prefix) which result from splitting the source attribute's value at the delimiter character. "><FONT size=2><FONT face=Verdana>Gives values to a number of attributes (with the specified prefix) which result from splitting the source attribute's value at the delimiter character. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>分割字符串:将输入属性的值按照指定的分隔符写入一组属性(具有指定的前缀)</FONT></TD></TR>
<TR  height=75>
<TD class=xl24  width=139 height=75 x:str="AttributeTrimmer "><FONT size=2><FONT face=Verdana>AttributeTrimmer </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Removes any leading or trailing trim characters from the value contained in the source attribute and stores the resulting character string in the result attribute. "><FONT size=2><FONT face=Verdana>Removes any leading or trailing trim characters from the value contained in the source attribute and stores the resulting character string in the result attribute. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>删除输入属性的开头或结尾的空格或其它指定的字符,并写入输出属性</FONT></TD></TR>
<TR  height=60>
<TD class=xl24  width=139 height=60 x:str="BaseConverter "><FONT size=2><FONT face=Verdana>BaseConverter </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Converts an attribute's value from one numeric system (base) to another, putting the resulting value in a new attribute. "><FONT size=2><FONT face=Verdana>Converts an attribute's value from one numeric system (base) to another, putting the resulting value in a new attribute. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>基数转换(例如十进制转为十六进制)并写入新的属性</FONT></TD></TR>
<TR  height=75>
<TD class=xl24  width=139 height=75 x:str="BoundingBoxAccumulator "><FONT size=2><FONT face=Verdana>BoundingBoxAccumulator </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Creates bounding boxes for groups of features. One bounding box feature is output for each unique combination of values of the attributes specified in the GROUP BY. "><FONT size=2><FONT face=Verdana>Creates bounding boxes for groups of features. One bounding box feature is output for each unique combination of values of the attributes specified in the GROUP BY. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>获得一组要素的外接矩形,输入要素将按照指定的属性的值而分别计算</FONT></TD></TR>
<TR  height=60>
<TD class=xl24  width=139 height=60 x:str="BoundingBoxReplacer "><FONT size=2><FONT face=Verdana>BoundingBoxReplacer </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Replaces the geometry of the feature with a two dimensional box whose minimums and maximums are taken from the bounds of original feature. "><FONT size=2><FONT face=Verdana>Replaces the geometry of the feature with a two dimensional box whose minimums and maximums are taken from the bounds of original feature. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>改为原始要素的最小外接矩形</FONT></TD></TR>
<TR  height=45>
<TD class=xl24  width=139 height=45 x:str="BoundsExtractor "><FONT size=2><FONT face=Verdana>BoundsExtractor </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Extracts the minimum and maximum values of the feature's coordinates into new attributes. "><FONT size=2><FONT face=Verdana>Extracts the minimum and maximum values of the feature's coordinates into new attributes. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>获得坐标范围(外接矩形)并写入新的属性</FONT></TD></TR>
<TR  height=90>
<TD class=xl24  width=139 height=90 x:str="Bufferer "><FONT size=2><FONT face=Verdana>Bufferer </FONT></FONT></TD>
<TD class=xl26  width=259 x:str="Replaces the geometry of the feature with a area feature (polygon or donut polygon) that buffers the original feature (or a line feature that is some distance away from the original feature). "><FONT size=2><FONT face=Verdana>Replaces the geometry of the feature with a area feature (polygon or donut polygon) that buffers the original feature (or a line feature that is some distance away from the original feature). </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>改为缓冲区(多边形或环状多边形),或者缓冲区左侧和/或右侧的边界线</FONT></TD></TR>
<TR  height=60>
<TD class=xl24  width=139 height=60 x:str="CaseChanger "><FONT size=2><FONT face=Verdana>CaseChanger </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Changes the case of the value contained in the source attribute and stores the resulting character string in the result attribute. "><FONT size=2><FONT face=Verdana>Changes the case of the value contained in the source attribute and stores the resulting character string in the result attribute. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>改变输入属性值的大小写并写入输出属性</FONT></TD></TR>
<TR  height=60>
<TD class=xl24  width=139 height=60 x:str="CenterLineReplacer "><FONT size=2><FONT face=Verdana>CenterLineReplacer </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Replaces the geometry of an area feature with a line that threads through the center of the feature. Only works well with long, thin features. "><FONT size=2><FONT face=Verdana>Replaces the geometry of an area feature with a line that threads through the center of the feature. Only works well with long, thin features. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>改为面状要素的中心线。适用于细长型要素</FONT></TD></TR>
<TR  height=75>
<TD class=xl24  width=139 height=75 x:str="CenterOfGravityReplacer "><FONT size=2><FONT face=Verdana>CenterOfGravityReplacer </FONT></FONT></TD>
<TD class=xl27  width=259 x:str='Replaces the geometry of the feature with a point that is the "center of gravity" of the feature. The center of gravity is the average x, y, and possibly z coordinate of the feature. '><FONT size=2><FONT face=Verdana>Replaces the geometry of the feature with a point that is the "center of gravity" of the feature. The center of gravity is the average x, y, and possibly z coordinate of the feature. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>改为点状要素,坐标为原始要素的“重心”——坐标的平均值</FONT></TD></TR>
<TR  height=45>
<TD class=xl24  width=139 height=45 x:str="CenterPointReplacer "><FONT size=2><FONT face=Verdana>CenterPointReplacer </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Replaces the geometry of the feature with a point that is in the center of the feature's bounding box. "><FONT size=2><FONT face=Verdana>Replaces the geometry of the feature with a point that is in the center of the feature's bounding box. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>改为点状要素,坐标为原始要素的最小外接矩形的中心</FONT></TD></TR>
<TR  height=30>
<TD class=xl24  width=139 height=30 x:str="ChangeDetector "><FONT size=2><FONT face=Verdana>ChangeDetector </FONT></FONT></TD>
<TD class=xl27  width=259 x:str="Detects changes between two sets of input features. "><FONT size=2><FONT face=Verdana>Detects changes between two sets of input features. </FONT></FONT></TD>
<TD class=xl25  width=255><FONT face=宋体 size=2>检查输入的两组属性的差异(变化)</FONT></TD></TR></TABLE>
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