neumes
An Index Contour
Contour lines show elevation differences on topographic maps. On other maps, a coloured grid can show changes in elevation (these are called digital elevation models or DEMs).
contour intervals
The scale of contour lines on a topographic (terrain) map is called the "contour interval".
A contour line below sea level is called a bathytherm.
Neumes
The darker contour lines on map are called index contour lines. Numbers that indicate elevations are often written on these lines.
A contour lines connects points of equal elevation.
An Index Contour
Additive drawing is the type of drawing most people considerwhen the topic of drawing comes to mind, and it includes making marks that indicate theedges of forms - called contour lines, and making marks to indicate shadow.
The difference in elevation between the highest and lowest contour lines on a topographical map is called a contour interval.
Contour interval
It is contour interval.
contour interval
Contour lines show elevation differences on topographic maps. On other maps, a coloured grid can show changes in elevation (these are called digital elevation models or DEMs).
contour intervals
the contour interval