# How do you create a reverse curve in Civil 3d?

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## What is an ogee curve face?

The Ogee curve is a double S-shaped curvature along the cheeks that gives the face contour and dimension. It is best appreciated when looking at a patient’s cheek from a 45 ° angle. Younger women have a wide and extensive Ogee curve, which enhances their appearance and gives the upper and mid-face fullness and width.

## Which of the following provides the best case for setting the reverse curve?

Which of the following provides the best case for setting the reverse curve? Explanation: A reverse curve can be placed in case the straights are parallel. It is so because the remaining classification of curves is meant to serve in case of highways rather than mountainous regions.

## How do I extend alignment in Civil 3D?

Go to Solution. You don’t need to add polylines to the alignment. Right-click on the alignment and select “Edit Alignment.” A toolbar will appear that has everything you need to do what you want: add lines or curves, remove parts, etc. Mostly you will grip-edit, but everything you need is there.

## How do you draw a tangent line in Civil 3D?

To Create Lines Tangent to a Specified Point

1. Click Home tab Draw panel Line drop-down Create Line Tangent From Point Find.
2. Select the arc or line object to extend the line from.
3. Specify the point of tangency on the object.
4. Specify a distance by either clicking in the drawing or entering a distance.
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## How do you create a spiral curve in Civil 3D?

Click Alignment tab Modify panel Geometry Editor Find. On the Alignment Layout Tools toolbar, click Free Spiral-Curve-Spiral (Between Two Entities). Select the entity from which you want to add the spiral-curve-spiral. Select the entity to which you want to add the spiral-curve-spiral.

To Draw a Line and Arc Polyline

1. Click Home tab Draw panel Polyline. Find.
2. Specify the start point of the polyline segment.
3. Specify the endpoint of the polyline segment. …
4. Specify additional polyline segments as needed.
5. Press Enter to end, or enter c to close the polyline.