Mapping - Lecture Notes, Lecture notes of Civil Engineering

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MAPPING MAPS Le A map is a Qraphic representation of all or a perhow of the earth's Surface or other celeshal body, by means of signs and symbols or photog ra phic jmagenj at Some given scale or omit ceptain items to meet specific needs - A map Pirirays three kind of information about geographic features: { Location and extent of the feature. | g. Attribute (choractenstics) of the fealre . | 4. Relationship of the feature to other features. MAP TITLES Ly Titles on engineering drawings usually appear in the lower right -hand corner of the sheet. On maps, the some couverrhon is followed, alt ough on many rags Hie shape of the area fortayed may be sudh thot tre title js positioned elsewhere on the sheet to gwe the drawing a more palanced appearance. Titles should be ¢o constructed that trey will readily catch the eyes The space occupied by the 4He should be im proportion to the size of dhe map. Emphasis is placed on the most 1m portant parts of the ttle by increasing their height} amd using upper—Case jetters. In typical survey plans, the tHe usually imcludes the pupose of the survey , the nome sf fhe owner of the organizahon for whom the Suney is made, the locaton or area, — the date of the survey, name of the engineer or Surveyor responsible for the work, contour interval, the reference horizontal and vertical datums, and the scale used: |