12da to from GIS: Difference between revisions

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|"-hip"|| When converting a .12da file to a .mif file will include any 12D hipdata polylines.
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|"-xs"|| When converting a .12da file to a .mif file creates a TUFLOW cross-section database (iei.e. one .csv file per 3D polyline) and a 1d_xs layer (1d_tab or 1d_xs format – see Read GIS Table Links and Section 4.6.3). This is used to extract 1D cross-sections from a DTM for use in TUFLOW. Cross-sections generated this way can also be viewed and edited in the SMS TUFLOW Interface.<br>
The process to create the cross-sections from a 12D DTM is as follows:<br>
*Digitise the location of cross-section lines either in a GIS or in 12D. If in a GIS, export the layer out as a .mif file and then run 12da_to_from_gis to convert the .mif file into a .12da file. For example use:<br>