The creation of an alignment is required to allow the program to store the sections and profiles.
You can create a subproject of Sections groups in the following ways:
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Click Alignments & x-sections.
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Click New alignment.
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This command opens a new window.
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Name: the alignment name.
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Data type: select the type of cross sections:
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Alignment: cross sections are along an alignment and calculated on a reference surface.
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Topographic: see Cross sections groups .
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Generic: see Cross sections groups .
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Reference surface: the surface to use to calculate the cross sections along the alignment.
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Click OK.
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The subproject that you create will become the active Alignment and cross section subproject.
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The subproject created will become the active subproject of category Alignment and cross section.