Step 1 : Declare new shapefile, new shape, new two points and some double
Step 2 : Give xmin, ymin, xmax, ymax values to the points. (xmax,ymin and xmin,ymax)
Step 3 : assign points to shape
Step 4 : open shapefile
Step 5 : start editing shapes
Step 6 : assign shape to shapefile
Step 7 : stop editing shapes
So where did I go wrong and the polyline I was trying to generate did not exist? Please help, thank you.
Next add some cell values to update the attribute table, then save and close the new shapefile
Continue with step 4.
I hope it helps,
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