NATGRIDS(3NCARG)

✨ NAME ✨

NATGRIDS — the main single precision Fortran entry point for natural neighbor gridding 💖 (this one lives in the NCAR GRAPHICS manual, section 3NCARG, just so you know where to find it later 🎀)

🌸 SYNOPSIS 🌸

CALL NATGRIDS (NPNTS, X, Y, Z, NUMXOUT, NUMYOUT, XI, YI, ZI, IER)

that's the whole vibe bestie, one call, ten arguments, slay 💅

🦋 DESCRIPTION 🦋

okay so here's every single thing you're passing in, no skips, we're doing this properly 🫶

• NPNTS (Integer, Input) — how many input data points you've got. and like, it has to be NPNTS > 3. three or fewer? nope, not happening 🙈
• X (Real, Input) — an array holding the X coordinates of your input data points.
• Y (Real, Input) — an array holding the Y coordinates of your input data points.
• Z (Real, Input) — an array holding the functional values of your input data points. so like, Z(L) is the value of the input function at coordinate (X(L),Y(L)), for L=1,NPNTS. literally a one-to-one situation ✨
• NUMXOUT (Integer, Input) — the number of X values in your output grid.
• NUMYOUT (Integer, Input) — the number of Y values in your output grid.
• XI (Real, Input) — an array of dimension NUMXOUT with the X coordinates of the output data grid. the values in XI must be increasing, but ngl they don't have to be equally spaced 💫
• YI (Real, Input) — an array of dimension NUMYOUT with the Y coordinates of the output data grid. same deal: the values in YI must be increasing, and again, not equally spaced is totally fine 💫
• ZI (Real, Output) — a two-dimensional array of dimension NUMXOUT x NUMYOUT holding the interpolated functional values. ZI(I,J) is the interpolated value at grid point (XI(I),YI(J)). this is the one you actually wanted, the main character of the output 🌟
• IER (Integer, Output) — the error return value. if IER comes back as 0, then no errors were detected, we love that for you 🎉 if IER is non-zero, then go read the man page for natgrid_errors for the details, okay? don't just sit there wondering 🫠

🔥 USAGE 🔥

NATGRIDS is the single precision gridding function in the Natgrid package, periodt 💅

the behavior of NATGRIDS is controlled by the values you set for the various parameters described over in natgrid_params. and the way you set values for those parameters is with the subroutines NNSETI, NNSETR, and NNSETC. that's the whole pipeline, iykyk ✨

👑 ACCESS 👑

to use NATGRIDS, you load the NCAR Graphics library ngmath. that's the one, that's the library, don't forget it 🎀

🌈 SEE ALSO 🌈

• natgrid
• natgrid_params
• nnseti
• nngeti
• nnsetr
• nngetr
• nnsetc
• nngetc

also, full and complete documentation for Natgrid is available at this URL, go treat yourself to some reading 📚:

http://ngwww.ucar.edu/ngdoc/ng/ngmath/natgrid/nnhome.html

💜 COPYRIGHT 💜

Copyright (C) 2000 University Corporation for Atmospheric Research

the use of this Software is governed by a License Agreement. (yes, a whole License Agreement, read it bestie, it's giving responsible 🫶)

okay that's the whole page!! mwah 💋 this one came from the UNIX manual, dated March 1997-1998, and it lives at NATGRIDS(3NCARG) if you ever need to find it again. bye bestie, go grid something gorgeous 🌸✨💅