hachure

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hachure

shading of short lines drawn on a relief map to indicate gradients
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

hachure

[ha′shu̇r]
(mapping)
A short line used to denote slopes of the ground, as on maps.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

hachure

One of a series of parallel lines drawn on topographic maps in the direction of the slopes of hills or depressions to indicate relief features. The steeper the slopes, the heavier and more closely spaced the hachures become.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
While the mountain pictographs of the Homann map rely on an outline in combination with shade-lines on the southeastern slopes (implying high-oblique, northwest illumination), the mountain forms of the Dunn map are rendered by hachures (slope lines) on multiple sides.
La touche y est virevoltante, generant empreintes, hachures, courbes, semi courbes et entrelacs.
It is the Federal Territory Feature Map, sheet 7, drawn ca.1915, in a version with hachures held in the Dickson offices of the ACT Planning and Land Authority.
I anticipated commentary on the mixture of point, line and area symbols, on the selection of colours and hachures that mimic perceptions, on the evolution of choropleths and other thematic techniques, and even on the origins of the idea of making interpretive statements about collective social behaviour in mapped form.
The presentation of the maps harks back to the original printed maps of the period, with their distinctive watercolour-like tones, hachures and lettering, and their fascinating historical and geological information.
Hachure areas of 5 mm were hatched for 60 seconds under a 5 mg load by a diamond tip with a radius of 5 [micro]m.