How do you create a contour line?
Note: For 3D Analyst, navigate to System Toolboxes > 3D Analyst Tools > Raster Surface > Contours.
- Select the output from Step 1 as the input raster.
- Specify the name and location of the output polyline features.
- Set the contour interval value.
- Click OK.
What are contour lines in Autocad?
The lines can help you determine the elevation at a specific location on the surface, help clarify and analyze the 3D surface terrain, and help with navigation. Contour lines are stored as new polyline or polygon features in an SDF file, and as a new layer in Display Manager.
What are the types of contour lines?
Contour lines are of three different kinds. They are the Index lines, Intermediate lines and the Supplementary lines.
What are the types of contour lines in art?
Types of Contour Lines
- See how the same object can be transformed through the use of line. How different can one object look? …
- Single Contour Lines with Varied Line Weight. Contour lines with varied line weight. …
- Cross Contour Lines. Cross contour lines. …
- Continuous Contour. Continuous contour. …
- Blind Contour. Blind contour.
How do you get contour lines from points?
You can create contour lines by clicking a point on a surface to create a single contour line that passes through it.
- In ArcMap or ArcScene, click the Create Contours button .
- Click the surface at the point where you want the contour.
What are the 5 Rules of 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.
What are the basic features of contour lines?
Characteristics of Contours
- Must close on themselves, on or off the map.
- Perpendicular to the direction of max. …
- Slope between them is assumed uniform.
- The distance between them indicates the steepness of the slope, gentle or steep.
- Irregular signify rough, smooth signify gradual slopes.