TITLE

Sketch System for Field Geological Survey Based on GIS and Electronic Ink Technique

AUTHOR(S)
Gang Liu; Pingqian Wang; Ka Sun
PUB. DATE
February 2012
SOURCE
International Journal of Digital Content Technology & its Applic;Feb2012, Vol. 6 Issue 3, p28
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In current computer-aided geological survey system the field geological sketch module are all based on raster data model and its precision and functions for describing geological phenomenon are poor. The result sketches cannot be directly printed as formal maps or inserted into geological reports. But recent electronic ink technique provided in MS Windows system with features of simulating handwriting such as press sensitivity and precise vector graphic data format, can support accurate description and agile expression. On the other hand, GIS with the function of incorporate management of vector and raster data provides advantageous database management and integrative application of the geological sketches. So a new sketch system is developed on portable Tablet PC hardware platform with the hand-writing input method based on electronic ink technology. The features of this system are: (1) free interactive graphic description of geological phenomena is realized, and high quality geological sketches can be used directly in geological research reports; (2) integrated vector and raster processing tool sets and convenient operation environment, including digital photo overlay function and standard geological pattern library and symbol library are provided; (3) one-to-many database management and integrative operation and display of sketches from sites or routes is enabled. The sketch system has been applied in several geological survey projects in China. Such input and operation methods can provide a new way and interface for computer-aided geological survey system to improve further the development and application of Digital Mapping.
ACCESSION #
76388503

 

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