An automated system for name placement which complies with cartographic quality criteria: The hydrographic network

Autor:	Mathieu Barrault
Rok vydání:	1997
Předmět:	Set (abstract data type) Automatic label placement Point (typography) Computer science media_common.quotation_subject Process (computing) Quality (business) Topographic map Function (engineering) Cartography media_common
Zdroj:	Lecture Notes in Computer Science ISBN: 9783540636236 COSIT
DOI:	10.1007/3-540-63623-4_71
Popis:	Automation of Label Placement Lettering is of prime importance for maps, but positioning is a time-consuming process. The automation of name placement has thus become the subject of much research. However, most results, on either point or linear features, fail to comply with the strict quality requirements of the production of topographic maps. The COGIT laboratory has been working on this issue for five years, tackling first the full automation of the placement of horizontal names [Lecordix et al 94] and of the placement of administrative road labels [Barrault 95]. The two main steps of the process are 1/the computation of a set of possible positions for any feature's label (in an efficient research space, the cartographic quality is quantified by significant parameters) and 2/the selection of each name's final position so that overlappings are avoided: a cost function that includes the cartographic quality of each candidate position is minimized by simulated annealing.
Databáze:	OpenAIRE
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