How do you import contour lines in autocad?

On the Modify | Edit Surface tab, click Tools panel Create From Import drop-down (Select Import Instance). Select the imported 3D contour data in the drawing area. The Add Points from Selected Layers dialog displays. Select the layers to which you want to apply elevation points, and click OK.

How do you add contour lines in AutoCAD?

To Add Contour Lines

  1. In Display Manager , right-click a surface layer, and select Create Contour Layer.
  2. In the Generate Contour dialog box, enter a name for the new Display Manager layer that will contain the contour lines.

How do you get contour lines from points?

Note: For 3D Analyst, navigate to System Toolboxes > 3D Analyst Tools > Raster Surface > Contours.

  1. Select the output from Step 1 as the input raster.
  2. Specify the name and location of the output polyline features.
  3. Set the contour interval value.
  4. Click OK.

How do I import topography into AutoCAD?

Go to Insert Tab on the Ribbon and select Link CAD (or Ipmort CAD doesn’t seem to matter here) and browse to find the Topography file you saved from AutoCAD. Now and finally go to Massing and Site Tab on the Ribbon and select Topo Surface. Click on “Create from Import” and click on the imported topography from AutoCAD.

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What are the rules for contour lines?

Rule 1 – every point of a contour line has the same elevation. Rule 2 – contour lines separate uphill from downhill. Rule 3 – contour lines do not touch or cross each other except at a cliff. Rule 4 – every 5th contour line is darker in color.

How do you read contour drawings?

Remember contour numbering reads up hill – in other words the top of the number is uphill and the bottom is downhill. Also remember the closer contour lines are together, the steeper the slope.

How do you make your own contour?

  1. Click the Spatial Analyst dropdown arrow, point to Surface Analysis, and click Contour.
  2. Click the Input surface dropdown arrow and click the surface you want to contour.
  3. Type a Contour interval to specify the distance between contours.
  4. Type a Base contour from which to start contouring, or leave the default of 0.

How do you make a contour map?

Instructions. Go to the desired location in the map, set two markers by clicking the map to define a rectangle (or enter coordinates manually). Click the button [get data]. Optionally you can change the number of elevation samples you want in each direction, the more the better.

How do I import a map into AutoCAD?

Do one of the following:

  1. Import data from an Oracle or ArcSDE data source. Click Insert tab Import panel Map Import. …
  2. Import an SDF file. Click Insert tab Import panel Map Import .
  3. If you are importing an Autodesk SDF 2 file, click Insert tab Import panel SDF2. …
  4. Import a DXF file. …
  5. Import any other file type.
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How do I import a KMZ file into AutoCAD?

Help

  1. Click Insert tab Import panel Map Import .
  2. In the Import Location dialog box, under Files Of Type, select Google KML.
  3. Select the file or folder to import. …
  4. In the Import Dialog Box, under Spatial Filter, specify whether to limit the area where data will be imported:

How do I insert a map into AutoCAD?

Click on the Insert Tab in the Ribbon and then in the “Set Location” Panel, click the icon that looks like a globe. A drop-down will open. Click From Map. (In the future, a quicker way to accomplish this same task is to type GEO into the command line and hit ENTER twice.)

What are 3 types of contour lines?

There are 3 kinds of contour lines you’ll see on a map: intermediate, index, and supplementary.

  • Index lines are the thickest contour lines and are usually labeled with a number at one point along the line. …
  • Intermediate lines are the thinner, more common, lines between the index lines.

What are the basic features of contour lines?

Other characteristics of contour lines are:

– Horizontal distance between contour lines is inversely proportional to slope. – Uniform slopes have uniformly spaced lines. – Along plane surfaces, contour lines are straight and parallel. – Contour lines are perpendicular to lines of steepest slopes.

What is the importance of contour lines?

The purpose of contour lines is to represent the tridimensional shape of the terrestrial surface on a bidimensional map. Contour lines are the intersection of an horizontal plane parallel to the reference level and the topographical surface to describe. Consequently: Contour lines are always closed curves.

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