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Finally I found that , space in input feature class directory creates problem in topoToRaster tool execution. from this link :https://geonet.esri.com/thread/51293 ... and the "_inputFeature" is like this: _inputFeature = "D:\Temp\line.shp Max_depth CONTOUR"// "shape_file_path..space..Field..space..TYPE" thanks all....


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a user uploads a zipped file with a bunch of files (.shp and .dbf) It sounds like you're looking for a shapefile technical document. ESRI has one published at this link: http://support.esri.com/en/knowledgebase/whitepapers/view/productid/21/metaid/279 There are a lot of open source shapefile tools, like Pyshp so you don't need to create your own. ...


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One way would be to use ICurve QueryPointAndDistance to and get the DistanceAlongCurve value for your 'B' point. Then call ICurve.GetSubcurve twice (with the DistanceAlongCurve + 2 and DistanceAlongCurve - 2) and the fromDistance parameter as 0. And the asRatio as false. The "To" points of the resulting subcurves would be your 'A' and 'C'. ...



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