ERIC Number: ED195423
Record Type: RIE
Publication Date: 1978-May
Reference Count: 0
Programmer's Guide for Subroutine PRNT3D. Physical Processes in Terrestrial and Aquatic Ecosystems, Computer Programs and Graphics Capabilities.
These materials were designed to be used by life science students for instruction in the application of physical theory to ecosystem operation. Most modules contain computer programs which are built around a particular application of a physical process. PRNT3D is a subroutine package which generates a variety of printed plot displays. The displays include single and multiple x vs y functions, multi-value x, y relationships, and density plots which simulate three-dimensional effects by means of overprinting. The package features one- and two-dimensional interpolation, "zoom-in" capabilities, automatic scaling, logarithmic scaling, flexible tilting, and multi-page plotting. PRNT3D communicates with the calling program through the following: (1) an argument list; (2) common blocks; (3) files; and (4) a set of file manipulation subroutines. Annotated listings illustrate the control program and input data cards for two sample runs, including their associated output. (Author/CS)
Publication Type: Guides - Classroom - Learner
Education Level: N/A
Sponsor: National Science Foundation, Washington, DC.
Authoring Institution: Washington Univ., Seattle. Center for Quantitative Science in Forestry, Fisheries and Wildlife.
Note: For related documents, see SE 033 581-597. Not available in hard copy due to marginal legibility of original document.