TUFLOW Message 2232: Difference between revisions
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{{TUFLOW_Message
|tuflow_message=ERROR 2232 - Failed to complete triangulation. Check region perimeter does not cross or snap onto itself.
|alt_msg=NA
|type=[[ERROR]]
|message_desc=TUFLOW was unable to triangulate polygon (region) object. The most likely reason for this to occur is that the region perimeter crosses or snaps onto itself. An example of a self intersecting region is shown below with (the blue circles highlight the problem areas), click on image for a larger view.<br>
[[File:Self Intersecting Polygon.png|500px]]
|suggestions=Check region perimeter does not cross or snap onto itself. To help identify the problem, the follow steps can be used:<br>▼
* Import the sh_obj check file. This file is written sequentially and the last entry is the final abject TUFLOW was able to process. The final triangle is shown in red below:<br>
<br>
[[File:Error 2232 01.jpg|600px]]
<br><br>
* This highlights that the issue is in the polygon in the 2d_zsh layer highlighted in green: <br>
[[File:Error 2232 02.jpg]]
<br><br>
* If the coordinates of this polygon are examined it snaps back onto itself:<br>
<tt>
307119.21 183875.86<br>
<u>'''307117.92 183878.53'''</u><br>
307123.06 183881.09<br>
307126.86 183872.48<br>
307126.07 183872.04<br>
307119.55 183872.54<br>
307119.21 183875.86<br>
<u>'''307117.92 183878.53'''</u><br>
307119.21 183875.86<br>
* To remove this (in MapInfo) the layer needs to be made editable and "cleaned" as per the images below.<br>
[[File:Error 2232 03.jpg]]
[[File:Error 2232 04.jpg]]
▲|suggestions=Check region perimeter does not cross or snap onto itself.
|discussion_page=* [[Talk:TUFLOW Message 2232|Discuss Message 2232]]
|link3=''
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