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# System prepended metadata

title: 4.4 Result Export

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# 4.4 Result Export


- The following results can be exported from iPeriGrain:
    1. The perimeters of segments.
    2. The fitted ellipses.
- The output files are saved in "export" folder under workspace folder:
   1.  The perimeters of segments in ESRI SHP format (**perimeter.shp**).
   2.  The fitted ellipses in ESRI SHP format (**ellipse.shp**).
   3.  The fitted ellipses in plain txt, including a- and b-axes, center location, and rotation of a-axis (**par_ellipse.txt**). 

**Note: the information of pixel size must be given before exporting results.**

--  ellipse fitting result
![](https://i.imgur.com/sgWPXUx.jpg)

### Information in SHP files
- It is recommendated to use ArcGIS or QGIS to access information in SHP files.

-- import "perimeter.shp" in ArcGIS and query a segment
![](https://i.imgur.com/fMk1OhY.png)

-- two examples (in "ellipse.shp") show rotation of a-axis
![](https://i.imgur.com/8HDOzJk.png)




-- The "par_ellipse.txt" contains five columns, which are explained as follows.
![](https://i.imgur.com/ddwoKOA.png)


