Revision as of 09:05, 18 July 2013 view source Par (talk \| contribs) Bureaucrats, Administrators 1,003 edits No edit summary ← Older edit		Revision as of 09:09, 18 July 2013 view source Par (talk \| contribs) Bureaucrats, Administrators 1,003 edits No edit summary Newer edit →
Line 3: \|alt_msg=NA \|type=[[WARNING]] \|message_desc=A polygon of zero area exists. For example, the following ~~line~~lines in the .mif file indicates a polygon that is lenear. The polygon has only three vertices and as the first and last vertices are always the same (in order to close the polygon) the polygon is therefore linear (zero area).~~<pre>~~ <pre> Region 1 3 Line 10 ⟶ 11: 355252.72 183143.42 </pre> ~~The first and last vertices are always the same (in order to close the polygon).~~ \|suggestions=Review and modify or delete any zero area polygons.<br> In order to select the polygons with zero area the simplest method to do this is using the select function in MapInfo. The query would look somethink like the below:

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