Write Surface to LandXML File

This option will write a Road Surface to a LandXML file using the special Surface data format.

The data is a set of parallel Strings running down the length of the road.
You must define these strings during the Road Design by defining a code for each design point,
then form strings joining the points with the same code.
Thus all points with code EB1 (edge bitumen) would be joined into a string of that name

Output File
Choose a suitable name, include the road name and the word Surface.

Choose a longsection from the list presented, it will list all Road, Drain and Sewer Longsections in the job.

Select Strings by Layer
Select the layer(s) containing the required strings

Design or natural Surface Levels
If the road has a design surface you should write out the Design Surface levels.

Machine Guidance Files

Two files required for machine guidance.
1. The Alignment (longsection) file
2. The Surface File

You must prepare your job data carefully and then generate each of these files separately.
The Write Alignment to LandXML File option should be used to generate the Alignment file
This option (above) is used to generate the Surface file.

Preparing Job for Surface File

Surface File Format

This is a standard XML file format, with data format defined by the LandXML standard.
This is a sample of some Surface file data

    <Surface name="Webb RD MC01 (Finish)">
          <Breakline brkType="standard">
            <PntList3D>7018997.96297 473207.95984 124.61100 7018997.13100 473209.58234 123.69931 ...</PntList3D>
          <Breakline brkType="standard" name="EB1">
            <PntList3D>7017351.07052 470000.82923 128.96881 7017350.70618 470001.12732 128.73344 ...</PntList3D>
          <Boundary bndType="outer" edgeTrim="true" name="Outer edge">
            <PntList3D>7018997.96297 473207.95984 124.61100 7018997.39958 473206.86692 124.96540  ...</PntList3D>