Crocus
The crocier (from French "croquiere") has a slightly different meaning depending on the country.
Germany
In Germany it denotes an operation in the recording topographical maps , in which already (obtained for example, by aerial photography) measuring points , mapped lines, surfaces, etc., are present on the map sheet and further details in observation and by inspection of the site further refined, compressed, by Pacing, aligning , embedding and other simple geodetic measuring methods can be added. The intention is to detect gross measurement and mapping errors and to correct them (depending on the quality). Krokieren is related to field comparison , supplementary measurements and supplementary measurements .
Austria
In Austria the process is called croquing and the result is called croquis .
Switzerland
In Switzerland, it means making sketches of the terrain or crocis of all kinds.