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I want to convert from raster data to vector dataset using ArcGIS. Raster data consists of pixels and center of z values. Vector data sets consist of points, lines and polygons and x,y values. When I convert between data sets, how is the programme converting and describing from z value to x,y values? Shortly, how can the programme describe from raster to feature class?

  • I'm not sure that I understand what you are asking but I would expect that the raster cell values will become polygon attribute values. – PolyGeo Sep 15 '14 at 13:06
  • DEM raster data includes pixel's Z values. when I convert this to vector data set, vector data set becomes points and point's Z values. is it true ? – zeynep Sep 15 '14 at 13:54
  • I think your question would benefit from the inclusion of some pictures/screenshots to illustrate what you are trying to describe in words. – PolyGeo Sep 15 '14 at 23:05
  • Actually, it is about flood flow using digital elevation model. I want to understand models, algorithm in ArcGIS Hydrology and Archydro. There is a algorithm called "stream to features". Stream is a raster data. – zeynep Sep 16 '14 at 6:28
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Look up the RasterToPoint_conversion tool in the ArcGIS Help:

http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//001200000007000000

This page is for 10.0, other versions might be slightly different.

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