How do i make a topographic map in autocad?

How do you read contour lines?

How To Read Contour Lines

1. Index lines are the thickest contour lines and are usually labeled with a number at one point along the line. …
2. Intermediate lines are the thinner, more common, lines between the index lines. …
3. Supplementary lines appear as dotted lines, indicating flatter terrain.

How do you plot contour lines?

5. Contouring By Hand

1. Beginning a triangulated irregular network. Starting at the highest elevation, draw straight lines to the nearest neighboring spot elevations. …
2. Complete TIN. …
3. Tick marks drawn where elevation contours cross the edges of each TIN facet. …
4. Threading elevation contours through a TIN. …
5. Finished map.

How do I create a level in Autocad?

Use this procedure to add levels to a building.

1. On the Quick Access toolbar, click Project Navigator .
2. Click the Project tab, and under Levels, click .
3. If you want each new level to take its floor elevation from the height of the level below, click Auto-Adjust Elevation.
4. Add a level using one of the following methods:

How do I import contours into Autocad?

Importing Contours from ShapeFile

1. Issue the MAPIMPORT command.
2. Navigate to the location of the ShapeFile (*. …
3. Select the . …
4. In the next dialog, follow steps 5 though 8 below.
5. Check on “Import polygons as closed polylines” in the lower right.
6. In the grid in the center, click under [Data].
7. Set the radio button to “Create object data” and click [OK].

What are the features of a topographic map?

A topographic map is a detailed and accurate illustration of man-made and natural features on the ground such as roads, railways, power transmission lines, contours, elevations, rivers, lakes and geographical names. The topographic map is a two-dimensional representation of the Earth’s three-dimensional landscape.

What are the three main types of topography?

Topographic maps depict four main types of features:

• Landforms: hills, valleys, gullies, ridges…
• Water courses: rivers, swamps, coastal…
• Vegetation: national parks, farmland, plantations…
• Manmade: buildings, roads, property boundaries, political boundaries…

How do you enter coordinates in Excel?

First, if you just want to affect the display, you can follow these steps:

1. Select the cell you want to format for latitude or longitude.
2. Press Ctrl+Shift+F or press Ctrl+1. …
3. Make sure the Number tab is selected.
4. In the categories list, choose Custom. …
5. Place the insertion point in the Type box and erase whatever is there.