A cross-section plotting program (CSPP) for gridded (map) data
Open-File Report
76-689
By: Richard B. Wells, Charles R. Faust, and James W. Mercer
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Abstract
A FORTRAN program that prepares the Calcomp plotter tape for drawing cross-sections from gridded map data is described and documented. The program accepts gridded data of the form Z(x,y), where Z is the value at the grid intersection, (x,y). Up to 10 sets of Z(x,y) data for a given grid may be drawn on the same section. The positions of the end points of the cross-section are arbitrary. A bilinear interpolation scheme is used to obtain the Z(x,y) values along the specified cross-section.
The program was designed to provide a visual aid for interpreting input and output data for two-dimensional (areal) finite-difference models used in aquifer analysis and geothermal reservoir simulation. The program should, however, be useful for drawing cross-sections of any multiple Z(x,y) gridded data. The computer code is called CSPP standing for Cross-Section Plotting Program.
Suggested Citation
Wells, R.B., Faust, C.R., Mercer, J.W., 1976, A cross-section plotting program (CSPP) for gridded (map) data: U.S. Geological Survey Open-File Report 76-689, iii, 22 p. :ill., map ;28 cm., https://doi.org/10.3133/ofr76689.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | A cross-section plotting program (CSPP) for gridded (map) data |
| Series title | Open-File Report |
| Series number | 76-689 |
| DOI | 10.3133/ofr76689 |
| Year Published | 1976 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | iii, 22 p. :ill., map ;28 cm. |