ืื ื’ืœื™ืชืฆืจืคืชื™ืชืกืคืจื“ื™

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ืกืžืœ OnWorks

grdsamplegmt - ืžืงื•ื•ืŸ ื‘ืขื ืŸ

ื”ืคืขืœ grdsamplegmt ื‘ืกืคืง ืื™ืจื•ื— ื—ื™ื ืžื™ ืฉืœ OnWorks ืขืœ Ubuntu Online, Fedora Online, ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ Windows ืื• ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ MAC OS

ื–ื•ื”ื™ ื”ืคืงื•ื“ื” grdsamplegmt ืฉื ื™ืชืŸ ืœื”ืคืขื™ืœ ื‘ืกืคืง ื”ืื™ืจื•ื— ื”ื—ื™ื ืžื™ ืฉืœ OnWorks ื‘ืืžืฆืขื•ืช ืื—ืช ืžืชื—ื ื•ืช ื”ืขื‘ื•ื“ื” ื”ืžืงื•ื•ื ื•ืช ื”ืžืจื•ื‘ื•ืช ืฉืœื ื•, ื›ื’ื•ืŸ Ubuntu Online, Fedora Online, ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ Windows ืื• ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ MAC OS

ืชึธื›ึฐื ึดื™ืช:

ืฉืึตื


grdsample - ื“ื’ื™ืžื” ืžื—ื“ืฉ ืฉืœ ืจืฉืช ืขืœ ืกืจื™ื’ ื—ื“ืฉ

ืชึทืงืฆึดื™ืจ


grdsample in_grdfile out_grdfile [ ืชื•ึนืกึถืคึถืช ] [ ื‘ืื–ื•ืจ ] [ ] [ [ืจึธืžึธื”] ] [ -f] [
-n] [ -r ] [ -x[[-]n]]

ื”ืขืจื”: ืื™ืŸ ืจื•ื•ื— ื‘ื™ืŸ ื“ื’ืœ ื”ืืคืฉืจื•ืช ืœืืจื’ื•ืžื ื˜ื™ื ื”ืžืฉื•ื™ื›ื™ื.

ืชื™ืื•ืจ


grdsample ืงื•ืจื ืงื•ื‘ืฅ ืจืฉืช ื•ืื™ื ื˜ืจืคื•ืœืฆื™ื” ืฉืœื• ื›ื“ื™ ืœื™ืฆื•ืจ ืงื•ื‘ืฅ ืจืฉืช ื—ื“ืฉ ืขื ืื—ืช ืžื”ืืคืฉืจื•ื™ื•ืช: ื
ืจื™ืฉื•ื ืฉื•ื ื” (-r or -T); ืื•, ืžืจื•ื•ื— ืจืฉืช ื—ื“ืฉ ืื• ืžืกืคืจ ืฆืžืชื™ื (-I,) ื•
ืื•ืœื™ ื’ื ืชืช-ืื–ื•ืจ ื—ื“ืฉ (-R). ื“ื•-ืงื•ื‘ื™ [ื‘ืจื™ืจืช ืžื—ื“ืœ], bilinear, B-spline ืื•
ื ืขืฉื” ืฉื™ืžื•ืฉ ื‘ืื™ื ื˜ืจืคื•ืœืฆื™ื” ืฉืœ ื”ืฉื›ืŸ ื”ืงืจื•ื‘; ืœึดืจึฐืื•ึนืช -n ืœื”ื’ื“ืจื•ืช. ืฉื™ืžื• ืœื‘ ืฉื”ืฉื™ืžื•ืฉ -R ืจืง
ืฉื•ื•ื” ืขืจืš ืœ grdcut or grdedit -S. grdsample ื™ื•ืฆืจ ื‘ื‘ื˜ื—ื” ืจืฉืช ืขื“ื™ื ื” ืžื—ื•ืžืจ ื’ืก
ืื—ื“; ื”ื”ื™ืคืš ืขืœื•ืœ ืœืกื‘ื•ืœ ื›ื™ื ื•ื™ ืืœื ืื ื›ืŸ ื”ื ืชื•ื ื™ื ืžืกื•ื ื ื™ื ื‘ืืžืฆืขื•ืช grdfft or
grdfilter.

ืžืชื™ -R ืžื•ืฉืžื˜, ืจืฉืช ื”ืคืœื˜ ืชื›ืกื” ืืช ืื•ืชื• ืื–ื•ืจ ื›ืžื• ืจืฉืช ื”ืงืœื˜. ืžืชื™ -I
ืžื•ืฉืžื˜, ืžืจื•ื•ื— ื”ืจืฉืช ืฉืœ ืจืฉืช ื”ืคืœื˜ ื™ื”ื™ื” ื–ื”ื” ืœืจืฉืช ื”ืงืœื˜. ืื•ึน
-r or -T ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื›ื“ื™ ืœืฉื ื•ืช ืืช ืจื™ืฉื•ื ื”ืจืฉืช. ื›ืืฉืจ ืžื•ืฉืžื˜, ืจืฉืช ื”ืคืœื˜ ืชื”ื™ื”
ื‘ืขืœื™ ืจื™ืฉื•ื ื–ื”ื” ืœืจืฉืช ื”ืงืœื˜.

ื ื“ืจืฉ ื˜ื™ืขื•ื ื™ื


in_grdfile
ืฉื ืงื•ื‘ืฅ ื”ืจืฉืช ื”ื‘ื™ื ืืจื™ ื”ื“ื•-ืžืžื“ื™ ื”ืงืœื˜. (ืจืื” ืคื•ืจืžื˜ ืงื•ื‘ืฅ GRID ืœื”ืœืŸ.)

-Gout_grdfile
ืฉื ืงื•ื‘ืฅ ืจืฉืช ื”ืคืœื˜. (ืจืื” ืคื•ืจืžื˜ ืงื•ื‘ืฅ GRID ืœื”ืœืŸ.)

ืื•ืคืฆื™ื•ื ืืœื™ ื˜ื™ืขื•ื ื™ื


-Iืฉื™ื ืง[ื™ื—ื™ื“ื”][=|+][/yinc[ื™ื—ื™ื“ื”[+]]
x_inc [ื•ื‘ืื•ืคืฆื™ื” y_inc] ื”ื•ื ืžืจื•ื•ื— ื”ืจืฉืช. ืœื—ืœื•ืคื™ืŸ, ื”ื•ืกืฃ ืกื™ื•ืžืช
ืฉื™ื ื•ื™. ื’ื™ืื•ื’ืจืคื™ (ืžืขืœื•ืช) ืงื•ืื•ืจื“ื™ื ื˜ื•ืช: ืฆืจืฃ m ื›ื“ื™ ืœืฆื™ื™ืŸ ื“ืงื•ืช ืงืฉืช ืื• s
ื›ื“ื™ ืœืฆื™ื™ืŸ ืฉื ื™ื•ืช ืงืฉืช. ืื ืื—ืช ืžื”ื™ื—ื™ื“ื•ืช e, f, k, M, n or u ืžืฆื•ืจืฃ
ื‘ืžืงื•ื ื–ืืช, ื”ื”ื ื—ื” ื”ื™ื ืฉื”ืชื•ืกืคืช ื ื™ืชื ืช ื‘ืžื˜ืจ, ืจื’ืœ, ืง"ืž, ืžื™ื™ืœ, ื™ืžื™
ืžื™ื™ืœ ืื• ืจื’ืœ ืกืงืจ ื‘ืืจื”"ื‘, ื‘ื”ืชืืžื”, ื•ื™ื•ืžืจื• ืœืžืงื‘ื™ืœื”
ืžืขืœื•ืช ืงื• ืื•ืจืš ื‘ืงื• ื”ืจื•ื—ื‘ ื”ืืžืฆืขื™ ืฉืœ ื”ืื–ื•ืจ (ื”ื”ืžืจื” ืชืœื•ื™ื” ื‘
PROJ_ELLIPSOID). ืื /y_inc ื ืชื•ืŸ ืืš ืžื•ื’ื“ืจ ืœ-0 ื”ื•ื ื™ืื•ืคืก ืฉื•ื•ื” ืœ x_inc;
ืื—ืจืช ื”ื•ื ื™ื•ืžืจ ืœืงื• ืจื•ื—ื‘ ืžืขืœื•ืช. ืชืขืฉื™ื•ืช ืงื•ืื•ืจื“ื™ื ื˜ื•ืช: ืื = is
ืžืฆื•ืจืฃ ื•ืื– ื”ืžืงืกื™ืžื•ื ื”ืžืชืื™ื x (ืžื–ืจื—) ืื• y (ืฆืคื•ืŸ) ืขืฉื•ื™ ืœื”ื™ื•ืช ืžื•ืชืื ืžืขื˜
ื›ื“ื™ ืœื”ืชืื™ื ื‘ื“ื™ื•ืง ืœืชื•ืกืคืช ื”ื ืชื•ื ื” [ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, ื”ืชื•ืกืคืช ืขืฉื•ื™ื” ืœื”ื™ื•ืช ืžื•ืชืืžืช
ืžืขื˜ ื›ื“ื™ ืœื”ืชืื™ื ืœืชื—ื•ื ื”ื ืชื•ืŸ]. ืœื‘ืกื•ืฃ, ื‘ืžืงื•ื ืœืชืช ืชื•ืกืคืช ืืคืฉืจ
ืฆื™ื™ืŸ ืืช ืžืกืคืจ of ืฆืžืชื™ื ืจืฆื•ื™ ืขืœ ื™ื“ื™ ื”ื•ืกืคื” + ืœืžืกืคืจ ื”ืฉืœื ืฉืกื•ืคืง
ื˜ึทืขึฒื ึธื”; ืœืื—ืจ ืžื›ืŸ, ื”ืชื•ืกืคืช ืžื—ื•ืฉื‘ืช ืžื—ื“ืฉ ืžืžืกืคืจ ื”ืฆืžืชื™ื ื•ื”-
ืชึฐื—ื•ึผื. ืขืจืš ื”ืชื•ืกืคืช ื”ืžืชืงื‘ืœ ืชืœื•ื™ ืื ื‘ื—ืจืช ื‘-a
ืจืฉืช ืจืฉื•ืžื” ืงื• ืจืฉืช ืื• ืคื™ืงืกืœ; ืจืื” ืคื•ืจืžื˜ื™ื ืฉืœ ืงื‘ืฆื™ ืืคืœื™ืงืฆื™ื” ืœืคืจื˜ื™ื.
ื”ืขืจื”: ืื -Rgrdfile ื ืžืฆื ื‘ืฉื™ืžื•ืฉ ืื– ืžืจื•ื•ื— ื”ืจืฉืช ื›ื‘ืจ ืื•ืชื—ืœ; ืœื”ืฉืชืžืฉ
-I ืœืขืงื•ืฃ ืืช ื”ืขืจื›ื™ื.

-ืจ[ื™ื—ื™ื“ื”]xmin/xmax/ymin/ymax[ืจ] (ื™ื•ืชืจ ...)
ืฆื™ื™ืŸ ืืช ืื–ื•ืจ ื”ืขื ื™ื™ืŸ.

-T ืชืจื’ื ื‘ื™ืŸ ืจื™ืฉื•ื ืจืฉืช ืœืคื™ืงืกืœื™ื; ืื ื”ืงืœื˜ ืจืฉื•ื ื‘ืจืฉืช, ื”-
ื”ืคืœื˜ ื™ื”ื™ื” ืจืฉื•ื ืœืคื™ืงืกืœื™ื ื•ืœื”ื™ืคืš.

-V[ืจึธืžึธื”] (ื™ื•ืชืจ ...)
ื‘ื—ืจ ืจืžืช ืžื™ืœื•ืœื™ื•ืช [c].

-f[i|o]colinfo (ื™ื•ืชืจ ...)
ืฆื™ื™ืŸ ืกื•ื’ื™ ื ืชื•ื ื™ื ืฉืœ ืขืžื•ื“ื•ืช ืงืœื˜ ื•/ืื• ืคืœื˜.

-n[b|c|l|n][+a][+bBC][+c][+tืกืฃ] (ื™ื•ืชืจ ...)
ื‘ื—ืจ ืžืฆื‘ ืื™ื ื˜ืจืคื•ืœืฆื™ื” ืขื‘ื•ืจ ืจืฉืชื•ืช.

-r (ื™ื•ืชืจ ...)
ื”ื’ื“ืจ ืจื™ืฉื•ื ืฆื•ืžืช ืคื™ืงืกืœ [ืงื• ืจืฉืช].

-ืื™ืงืก[[-]n] (ื™ื•ืชืจ ...)
ื”ื’ื‘ืœ ืืช ืžืกืคืจ ื”ืœื™ื‘ื•ืช ื‘ืฉื™ืžื•ืฉ ื‘ืืœื’ื•ืจื™ืชืžื™ื ืžืจื•ื‘ื™ ื”ืœื™ื›ื™ (OpenMP ื ื“ืจืฉ).

-^ or ืจืง -
ื”ื“ืคืก ื”ื•ื“ืขื” ืงืฆืจื” ืขืœ ื”ืชื—ื‘ื™ืจ ืฉืœ ื”ืคืงื•ื“ื”, ื•ืื– ืฆื (ื”ืขืจื”: ื‘-Windows
ืœื”ืฉืชืžืฉ ืจืง -).

-+ or ืจืง +
ื”ื“ืคืก ื”ื•ื“ืขืช ืฉื™ืžื•ืฉ ื ืจื—ื‘ืช (ืขื–ืจื”), ื›ื•ืœืœ ื”ืกื‘ืจ ืขืœ ื›ืœ
ืืคืฉืจื•ืช ืกืคืฆื™ืคื™ืช ืœืžื•ื“ื•ืœ (ืืš ืœื ื”ืืคืฉืจื•ื™ื•ืช ื”ื ืคื•ืฆื•ืช ืฉืœ GMT), ื•ืื– ื™ื•ืฆืืช.

-? or ืœื ื˜ื™ืขื•ื ื™ื
ืœืื—ืจ ืžื›ืŸ ื”ื“ืคืก ื”ื•ื“ืขืช ืฉื™ืžื•ืฉ ืžืœืื” (ืขื–ืจื”), ื›ื•ืœืœ ื”ืกื‘ืจ ืขืœ ื”ืืคืฉืจื•ื™ื•ืช
ื™ืฆื™ืื•ืช.

--ื’ึดืจึฐืกึธื”
ื”ื“ืคืก ื’ืจืกืช GMT ื•ืฆื.

--show-datadir
ื”ื“ืคืก ืืช ื”ื ืชื™ื‘ ื”ืžืœื ืœืกืคืจื™ื™ืช ื”ืฉื™ืชื•ืฃ ืฉืœ GMT ื•ืฆื.

GRID ืขืจื›ื™ื ื“ื™ื•ืง


ืœืœื ืงืฉืจ ืœื“ื™ื•ืง ืฉืœ ื ืชื•ื ื™ ื”ืงืœื˜, ืชื•ื›ื ื™ื•ืช GMT ื”ื™ื•ืฆืจื•ืช ืงื‘ืฆื™ ืจืฉืช ื™ืขืฉื• ื–ืืช
ืœื”ื—ื–ื™ืง ืืช ื”ืจืฉืชื•ืช ื‘ืื•ืคืŸ ืคื ื™ืžื™ ื‘ืžืขืจื›ื™ ื ืงื•ื“ื” ืฆืคื” ืฉืœ 4 ื‘ืชื™ื. ื–ื” ื ืขืฉื” ื›ื“ื™ ืœืฉืžื•ืจ ืขืœ ื–ื™ื›ืจื•ืŸ
ื•ื™ืชืจื” ืžื›ืš ื ื™ืชืŸ ืœืื—ืกืŸ ืืช ืจื•ื‘ ืื ืœื ืืช ื›ืœ ื”ื ืชื•ื ื™ื ื”ืืžื™ืชื™ื™ื ื‘ืืžืฆืขื•ืช ื ืงื•ื“ื” ืฆืคื” ืฉืœ 4 ื‘ืชื™ื
ืขืจื›ื™ื. ื ืชื•ื ื™ื ื‘ืขืœื™ ื“ื™ื•ืง ื’ื‘ื•ื” ื™ื•ืชืจ (ื›ืœื•ืžืจ, ืขืจื›ื™ ื“ื™ื•ืง ื›ืคื•ืœ) ื™ืื‘ื“ื• ื–ืืช
ื“ื™ื•ืง ื‘ืจื’ืข ืฉ-GMT ืคื•ืขืœ ืขืœ ื”ืจืฉืช ืื• ื›ื•ืชื‘ ืจืฉืชื•ืช ื—ื“ืฉื•ืช. ื›ื“ื™ ืœื”ื’ื‘ื™ืœ ืื•ื‘ื“ืŸ ืฉืœ
ื“ื™ื•ืง ื‘ืขืช ืขื™ื‘ื•ื“ ื ืชื•ื ื™ื ืืชื” ืชืžื™ื“ ืฆืจื™ืš ืœืฉืงื•ืœ ืœื ืจืžืœ ืืช ื”ื ืชื•ื ื™ื ืœืคื ื™
ืžืขื‘ื“.

GRID ืงื•ื‘ืฅ ืคื•ืจืžื˜ื™ื


ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, GMT ื›ื•ืชื‘ ืืช ื”ืจืฉืช ื›ืฆืฃ ื“ื™ื•ืง ื™ื—ื™ื“ ื‘-NETCDF ืฉืœ ืชืœื•ื ืช COARDS
ืคื•ืจืžื˜ ืงื•ื‘ืฅ. ืขื ื–ืืช, GMT ืžืกื•ื’ืœ ืœื™ื™ืฆืจ ืงื‘ืฆื™ ืจืฉืช ื‘ื”ืจื‘ื” ืจืฉืชื•ืช ื ืคื•ืฆื•ืช ืื—ืจื•ืช
ืคื•ืจืžื˜ื™ื ืฉืœ ืงื‘ืฆื™ื ื•ื’ื ืžืงืœ ืขืœ ืžื” ืฉื ืงืจื "ืืจื™ื–ื”" ืฉืœ ืจืฉืชื•ืช, ื›ืชื™ื‘ืช ื ืงื•ื“ื” ืฆืคื”
ื ืชื•ื ื™ื ื›ืžืกืคืจื™ื ืฉืœืžื™ื ืฉืœ 1 ืื• 2 ื‘ืชื™ื. ื›ื“ื™ ืœืฆื™ื™ืŸ ืืช ื”ื“ื™ื•ืง, ืงื ื” ื”ืžื™ื“ื” ื•ื”ื”ื™ืกื˜, ื”ืžืฉืชืžืฉ ืฆืจื™ืš
ืœื”ื•ืกื™ืฃ ืืช ื”ืกื™ื•ืžืช =id[/ืกื•ืœื/ืœืงื–ื–[/ื ืืŸ]], ืื™ืคื” id ื”ื•ื ืžื–ื”ื” ื‘ืŸ ืฉืชื™ ืื•ืชื™ื•ืช ืฉืœ ื”ืจืฉืช
ืกื•ื’ ื•ื“ื™ื•ืง, ื• ืกื•ืœื ื• ืœืงื–ื– ื”ื ื’ื•ืจื ืงื ื” ืžื™ื“ื” ืื•ืคืฆื™ื•ื ืœื™ ื•ืงื™ื–ื•ื– ืœื”ื™ื•ืช
ืžื™ื•ืฉื ืขืœ ื›ืœ ืขืจื›ื™ ื”ืจืฉืช, ื• ื ืืŸ ื”ื•ื ื”ืขืจืš ื”ืžืฉืžืฉ ืœืฆื™ื•ืŸ ื ืชื•ื ื™ื ื—ืกืจื™ื. ื‘ืžืงืจื”
ืฉืชื™ ื”ื“ืžื•ื™ื•ืช id ืœื ืžืกื•ืคืง, ื›ืžื• ื‘ =/ืกื•ืœื ืž id=nf ืžื•ื ื—ืช. ืžืชื™
ืงืจื™ืืช ืจืฉืชื•ืช, ื‘ื“ืจืš ื›ืœืœ ื”ืคื•ืจืžื˜ ืžื–ื•ื”ื” ืื•ื˜ื•ืžื˜ื™ืช. ืื ืœื, ืื•ืชื” ืกื™ื•ืžืช
ื ื™ืชืŸ ืœื”ื•ืกื™ืฃ ืœืฉืžื•ืช ืงื‘ืฆื™ ืจืฉืช ืงืœื˜. ืœึดืจึฐืื•ึนืช grdconvert ื•-Section grid-fil-ืคื•ืจืžื˜ ืฉืœ
ืขื™ื•ืŸ ื˜ื›ื ื™ ืฉืœ GMT ื•ืกืคืจ ื‘ื™ืฉื•ืœ ืœืžื™ื“ืข ื ื•ืกืฃ.

ื‘ืขืช ืงืจื™ืืช ืงื•ื‘ืฅ netCDF ื”ืžื›ื™ืœ ืจืฉืชื•ืช ืžืจื•ื‘ื•ืช, GMT ื™ืงืจื, ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, ืืช
ืจืฉืช ื“ื•-ืžืžื“ื™ืช ืจืืฉื•ื ื” ืฉื™ื›ื•ืœื” ืœืžืฆื•ื ื‘ืงื•ื‘ืฅ ื”ื–ื”. ืœืฉื“ืœ ืืช GMT ืœืงืจื•ื ืื—ืจ
ืžืฉืชื ื” ืจื‘ ืžืžื“ื™ ื‘ืงื•ื‘ืฅ ื”ื’ืจื™ื“, ืฆืจืฃ ?varname ืœืฉื ื”ืงื•ื‘ืฅ, ืื™ืคื”
varname ื”ื•ื ืฉื ื”ืžืฉืชื ื”. ืฉื™ืžื• ืœื‘ ืฉื™ื™ืชื›ืŸ ืฉืชืฆื˜ืจื›ื• ืœื‘ืจื•ื— ืžื”ืžืฉืžืขื•ืช ื”ืžื™ื•ื—ื“ืช
of ? ื‘ืชื•ื›ื ื™ืช ื”ืžืขื˜ืคืช ืฉืœืš ืขืœ ื™ื“ื™ ื”ืฆื‘ืช ืงื• ื ื˜ื•ื™ ืื—ื•ืจื™ ืœืคื ื™ื”, ืื• ืขืœ ื™ื“ื™ ื”ืฆื‘ืช
ืฉื ืงื•ื‘ืฅ ื•ืกื™ื•ืžืช ื‘ื™ืŸ ืžืจื›ืื•ืช ืื• ืžืจื›ืื•ืช ื›ืคื•ืœื•ืช. ื” ?varname ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื’ื ื‘ืกื™ื•ืžืช
ืขื‘ื•ืจ ืจืฉืชื•ืช ืคืœื˜ ื›ื“ื™ ืœืฆื™ื™ืŸ ืฉื ืžืฉืชื ื” ืฉื•ื ื” ืžื‘ืจื™ืจืช ื”ืžื—ื“ืœ: "z". ืœึดืจึฐืื•ึนืช
grdconvert ื•-Sections modifiers-for-CF ื•-grid-fil-format ืฉืœ GMT Technical
ืขื™ื•ืŸ ื•ืกืคืจ ื‘ื™ืฉื•ืœ ืœืžื™ื“ืข ื ื•ืกืฃ, ื‘ืžื™ื•ื—ื“ ื›ื™ืฆื“ ืœืงืจื•ื ื—ื™ื‘ื•ืจื™ื ืฉืœ 3-,
ืจืฉืชื•ืช 4 ืื• 5 ืžื™ืžื“ื™ื•ืช.

ื”ืฉืœื›ื•ืช OF GRID ื“ื’ื™ืžื” ืžื—ื“ืฉ


ื“ื’ื™ืžื” ืžื—ื“ืฉ ืื• ื“ื’ื™ืžื” ืฉืœ ืจืฉืชื•ืช ืชืฉืชืžืฉ ื‘ืืœื’ื•ืจื™ืชืžื™ื ืฉื•ื ื™ื (ืจืื” -n) ืฉืขืœื•ืœ ืœื”ื•ื‘ื™ืœ ืœ
ืขื™ื•ื•ืชื™ื ืืคืฉืจื™ื™ื ืื• ืชื•ืฆืื•ืช ื‘ืœืชื™ ืฆืคื•ื™ื•ืช ื‘ืขืจื›ื™ื ืฉื ื“ื’ืžื• ืžื—ื“ืฉ. ื”ืฉืคืขื” ืื—ืช ืฆืคื•ื™ื”
ืฉืœ ื“ื’ื™ืžื” ืžื—ื“ืฉ ืขื ืกืคืœื™ื™ืŸ ื”ื™ื ื”ื ื˜ื™ื™ื” ืฉืœ ื”ืขืจื›ื™ื ื”ื—ื“ืฉื™ื ืฉื ื“ื’ืžื• ืžื—ื“ืฉ ืœื—ืจื•ื’ ืžืขื˜
ื’ื‘ื•ืœื•ืช ื”ืžื™ื ื™ืžื•ื/ืžืงืก ื”ื’ืœื•ื‘ืœื™ ืฉืœ ื”ืจืฉืช ื”ืžืงื•ืจื™ืช. ืื ื–ื” ืœื ืžืงื•ื‘ืœ, ืืชื” ื™ื›ื•ืœ ืœื›ืคื•ืช
ื’ื–ื™ืจื” ืฉืœ ืขืจื›ื™ ื”ืขืจื›ื™ื ืฉื ื“ื’ืžื• ืžื—ื“ืฉ ื›ืš ืฉื”ื ืœื ื™ื—ืจื’ื• ืžืขืจื›ื™ ื”-min/max ื”ืงืœื˜ ื‘-
ืžื•ืกื™ืฃ +c ืœืš -n ืื•ึนืคึผึฐืฆึดื™ึธื”.

ื”ืฆื‘ืขื™ื


ืื ื ืงื•ื“ืช ืื™ื ื˜ืจืคื•ืœืฆื™ื” ืื™ื ื” ื‘ืฆื•ืžืช ืฉืœ ืจืฉืช ื”ืงืœื˜, ืื–ื™ NaN ื‘ื›ืœ ืฆื•ืžืช ืคื ื™ืžื”
ื”ืฉื›ื•ื ื” ื”ืžืงื™ืคื” ืืช ื”ื ืงื•ื“ื” ืชื ื™ื‘ NaN ืื™ื ื˜ืจืคื•ืœืฆื™ื”. Bicubic
ืื™ื ื˜ืจืคื•ืœืฆื™ื” [ื‘ืจื™ืจืช ืžื—ื“ืœ] ืžื ื™ื‘ื” ื ื’ื–ืจื•ืช ืจืืฉื•ื ื•ืช ืจืฆื™ืคื•ืช ืืš ื“ื•ืจืฉืช ืฉื›ื•ื ื” ืฉืœ
4 ืฆืžืชื™ื ืขืœ 4 ืฆืžืชื™ื. ืื™ื ื˜ืจืคื•ืœืฆื™ื” ื‘ื™ืœื™ื ืืจื™ืช [-n] ืžืฉืชืžืฉ ืจืง ื‘ืฉื›ื•ื ื” ืฉืœ 2 ืขืœ 2, ืื‘ืœ
ืžื ื™ื‘ ืจืง ื”ืžืฉื›ื™ื•ืช ืžืกื“ืจ ืืคืก. ื”ืฉืชืžืฉ bicubic ื›ืืฉืจ ื”ื—ืœืงื•ืช ื—ืฉื•ื‘ื”. ื”ืฉืชืžืฉ ื‘ื‘ื™ืœื™ื ืืจื™
ื›ื“ื™ ืœืžื–ืขืจ ืืช ื”ืชืคืฉื˜ื•ืช NaNs.

ื“ื•ื’ืžืื•ืช


ื›ื“ื™ ืœื“ื’ื•ื ืžื—ื“ืฉ ืืช ื”ืจืฉืช ืฉืœ 5 ืขืœ 5 ื“ืงื•ืช ื‘-hawaii_5by5_topo.nc ืœืจืฉืช ืฉืœ ื“ืงื” ืื—ืช:

gmt grdsample hawaii_5by5_topo.nc -I1m -Ghawaii_1by1_topo.nc

ื›ื“ื™ ืœืชืจื’ื ืืช ืงื•ื‘ืฅ ื”-gridline ื”ืจืฉื•ื surface.nc ืœืจื™ืฉื•ื ืคื™ืงืกืœื™ื ืชื•ืš ืฉืžื™ืจื”
ืื•ืชื• ืื–ื•ืจ ื•ืžืจื•ื•ื— ืจืฉืช:

gmt grdsample surface.nc -T -Gpixel.nc

ื”ืฉืชืžืฉ ื‘-grdsamplegmt ื‘ืื™ื ื˜ืจื ื˜ ื‘ืืžืฆืขื•ืช ืฉื™ืจื•ืชื™ onworks.net


ืฉืจืชื™ื ื•ืชื—ื ื•ืช ืขื‘ื•ื“ื” ื‘ื—ื™ื ื

ื”ื•ืจื“ ืืคืœื™ืงืฆื™ื•ืช Windows & Linux

  • 1
    ื–ืื‘ื™ืงืก
    ื–ืื‘ื™ืงืก
    Zabbix ื”ื™ื ืืจื’ื•ืŸ ืคืชื•ื— ื‘ื›ื™ืชื”
    ืคืชืจื•ืŸ ื ื™ื˜ื•ืจ ืžื‘ื•ื–ืจ ื‘ืžืงื•ืจ
    ื ื•ืขื“ ืœื ื˜ืจ ื•ืœืขืงื•ื‘
    ื‘ื™ืฆื•ืขื™ื ื•ื–ืžื™ื ื•ืช ืฉืœ ื”ืจืฉืช
    ืฉืจืชื™ื, ืžื›ืฉื™ืจ...
    ื”ื•ืจื“ ืืช Zabbix
  • 2
    KDiff3
    KDiff3
    ืžืื’ืจ ื–ื” ืื™ื ื• ืžืชื•ื—ื–ืง ืขื•ื“
    ื•ื ืฉืžืจ ืœืžื˜ืจื•ืช ืืจื›ื™ื•ืŸ. ืœึดืจึฐืื•ึนืช
    https://invent.kde.org/sdk/kdiff3 for
    ื”ืงื•ื“ ื”ื—ื“ืฉ ื‘ื™ื•ืชืจ ื•
    https://download.kde.o...
    ื”ื•ืจื“ ืืช KDiff3
  • 3
    USBLoaderGX
    USBLoaderGX
    USBLoaderGX ื”ื•ื GUI ืขื‘ื•ืจ
    ืžื˜ืขื™ืŸ ื”-USB ืฉืœ Waninkoko, ืžื‘ื•ืกืก ืขืœ
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