How do you read contour intervals?

How To Read Contour Lines

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.
Supplementary lines appear as dotted lines, indicating flatter terrain.

What is another name of contour line?

A contour line (also isoline, isopleth, or isarithm) of a function of two variables is a curve along which the function has a constant value, so that the curve joins points of equal value.

What is another word for contour line?

contour	hachure
isoheight	isohypse
isoline	layer tint
level curve	level line

What are the features of contour line?

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 does a contour report show?

Contour plans are a graphical representation of the lay of the land. They show the degree of slope on a site. They typically relate back to a site datum. referred to as a TBM (temporary benchmark) and may also relate to AHD (Australian height datum).

How do surveyors create a contour map?

The two ways to establish a contour map are the cross-section method and the trace contour method. To use the cross-section method, set a control or reference line at the center of the lot, then lay out and stake a grid; the elevation is determined at each stake in the grid relative to a benchmark.

How do I create a contour map in Excel?

How to Create a Contour Plot / Surface Charts in Excel? (Step by Step)

Step 1: Select the data in the excel worksheet.
Step 3: Go to Insert >>> Charts >>> Stock, Surface or Radar Chart.
Step 4: Once you click on Stock, Surface, or Radar Chart, we can see below the preview.
Step 5: Now, we will have the below chart.