2.0

Table Of Contents

Modifying Point Elevations

With the commands on the Modify Point Elevations submenus, you can modify

the elevations of finished ground point objects by using a relative or absolute

hinge, or by working with a stratum.

The stratum commands update the elevations of selected points based on a

defined stratum. You can report NEZ point data based on a stratum and obtain

the elevations from a stratum based on specified X, Y coordinates. The

elevations retrieved from the stratum can be the elevation of the first surface,

the second surface, or the elevation difference between the two surfaces.

All of the commands allow the entry of points by a screen pick on any entity,

selecting a point object, entering a point number, or typing Northing/Easting.

To switch point selection modes, type one of the following:

.g at the command prompt to select a point object from the screen

.p to enter a point number

.n to enter a Northing/Easting coordinate

Re-typing .g, .p, or .n accesses the AutoCAD entity selection mode, with the

object snap automatically set to near.

Changing Elevations of Points by Relative Hinge

You can use a hinge line to edit the elevations of points or finish grade labels.

You can define the hinge line by two points and a relative slope or grade. The

relative slope or grade adjusts all the points up or down, adding or subtracting

the specified slope from the existing slopes of the points. Valid elevations must

exist in the drawing.

You select two points to define the hinge line, and then define the slope or

grade leading away from the hinge line. The elevations of the points you select

are then adjusted based on this slope from the hinge line.

To change the elevations of points or the fg labels

1 From the Grading menu, choose Modify Point Elevations ä Modify by

Relative Hinge.

The following prompts are displayed:

Select two points to establish hinge line…

Select first point:

2 Select two points to define the hinge line.

The following prompt is displayed:

Desired Slope (or Grade) <Infinite>:

3 Define the slope or grade that is added to, or subtracted from, the existing slope

or grade of the points:

Type a slope in the format specified.

Type G and a positive or negative grade percentage.

4 Select the points to adjust.