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This option is used to Null (remove) any Triangle whose centroid is outside a selected polygon.
Continue down the page to see the Null Triangles Outside Polygon options.[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_separator border_width=”5″][/vc_column][/vc_row][vc_row][vc_column][vc_column_text]To Null Triangles Outside Polygon, Use: Tins => Null => Null[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_single_image image=”2836″ img_size=”full”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text]
After a TIN has been created, it can be edited at any time and one of the editing tools is Null Triangles Outside of a Polygon.
Firstly select the Tin to edit from the drop down list in this example we have selected ‘survey’.
Right click on the <Polygon> Button and select the String option.
[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_single_image image=”2837″ img_size=”full”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text]Below are the options available on the ‘Polygon select panel’ drop down.[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_single_image image=”2838″ img_size=”full”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text]Pick and Accept the required Polygon to load it into the panel.[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_single_image image=”2839″ img_size=”full”][/vc_column][/vc_row][vc_row][vc_column][vc_column_text]Hit the <Set> Button to null the triangles outside of the selected polygon (the Triangles whose centroid is outside of the polygon).[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_single_image image=”2840″ img_size=”full”][/vc_column][/vc_row][vc_row][vc_column][vc_separator border_width=”5″][/vc_column][/vc_row]