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5 - Building a Survey Quality Surface
In this chapter you will use points and breaklines from the survey data to create a survey quality existing
ground surface. You will learn ways to leverage the use of
Point Groups
to efficiently build and edit a
Surface
by editing the source data and also editing the
Surface
itself. You will also explore various ways of editing
and analyzing surfaces including the use of the preliminary surface to add extra data beyond the limits of the
survey. Finally, you will learn to display and label contours working with
Surface
Styles
and
Contour Label
Styles
.
Creating an accurate Surface is one of the most important parts of any
Civil
3D
project. The
Profiles,
Sections, Corridor Models
, and
Grading
as well as
Volume Calculations
that you create later in the project are
all based on this
Surface
. This chapter will explore ways to create an existing ground surface from survey
data as well as ways to check, display, analyze, and edit the surface.
Lesson: Building Surfaces from Survey Data
In this lesson, you will learn to build a surface from different types of surface data.
Lesson: Editing Surfaces
In this lesson, you will learn the concepts and process of editing surfaces by editing the source surface data
and by editing the TIN itself.
Lesson: Surface Analysis
In this lesson, you will learn different ways to preform surface analysis that include elevation banding, slope
analysis, and direction arrows.
Lesson: Working with Contours
In this lesson, you will learn to display and label contours by working with surface styles and surface label
styles.
