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Type a ˆC to abort counting. The macro show_cnts will display the current scalercontents. The uct macro will update the screen with the current scaler contents duringthe counting period.ScansScans in <strong>spec</strong> are built of macros. Many different standard scans are available.Absolute-position motor scans such as ascan , a2scan and a3scan move one, two orthree motors at a time. Relative-position motor scans are lup (or dscan ), d2scan andd3scan . The relative-position scans all return the motors to their starting positionsafter the last point. Twomotors can be scanned over a grid of points using the meshscan.Simple reciprocal space scans are hscan , kscan and lscan . The hklscan macromoves the diffractometer along an arbitrary straight line in reciprocal space. Scanssuch as hkcircle or hkradial describe other trajectories. The hklmesh scan measuresintensities over a grid of reciprocal-space points.If you do not know the arguments for a scan or how a scan is used, you can call up itsusage by typing its name with no arguments.17.FOURC> ascanUsage: ascan motor start finish intervals time18.FOURC> hscanUsage: hscan start finish intervals time19.FOURC>When the program does a scan such as hscan ,the following happens: the programwaits for motors to stop moving, calculates (H, K, L )for the current position and thenscans H,holding K and L fixed for a reciprocal space scan along the H direction.19.FOURC> hscan .9 1.1 20 1Mon Feb 15 01:50:33 1994Scan 1 Mon Feb 15 01:50:33 1994 file = cu110/90_01_31.ahklscan 0.9 1.1 0 0 0 0 20 1# H K L Detector Monitor Seconds0 0.9 0 0 2604 38939 11 0.91 0 0 3822 38820 12 0.92 0 0 5295 39034 13 0.93 0 0 7259 38789 14 0.94 0 0 9298 38804 15 0.95 0 0 11505 38909 16 0.96 0 0 13907 38821 17 0.97 0 0 16022 39110 112 USER MANUAL AND TUTORIALS INTERIM WORK-IN-PROGRESS (8/16/01) NOT FOR GENERAL DISTRIBUTION
8 0.98 0 0 17603 38839 19 0.99 0 0 18834 38950 110 1 0 0 19103 38917 111 1.01 0 0 18701 39013 112 1.02 0 0 17652 39135 113 1.03 0 0 16011 38836 114 1.04 0 0 13848 38901 115 1.05 0 0 11585 38933 116 1.06 0 0 9302 39022 117 1.07 0 0 7237 39205 118 1.08 0 0 5324 38957 119 1.09 0 0 3780 38801 120 1.1 0 0 2580 38975 1Peak at 1 is 19103 FWHM at 1 is 0.05 COM is 1Sum = 231272 Ave.Mon./Time = 38921 Ave.Temp. = 0C28 second20.FOURC>The output shown is what would generally appear on the screen. More detailed outputis sent to the printer. Also, a complete scan header and the data points arestored in the data file. Arudimentary plot can be produced on the printer at the endof the scan. Typing splot will produce a plot of the data on the screen. Typing ptswill list the data on the screen.The setplot macro configures how the data will be displayed during and at the conclusionof scans.20.FOURC> setplotDo real-time screen plots during scans (NO)? yDo screen plot after scan (YES)? Do printer plot after scan (NO)? y21.FOURC>Scans can be aborted by typing ˆC . Typing scan_on restarts an aborted scan at thecurrent point.INTERIM WORK-IN-PROGRESS (8/16/01) NOT FOR GENERAL DISTRIBUTION USER MANUAL AND TUTORIALS 13
Page 1 and 2: spec X-Ray Diffraction SoftwareUSER
Page 3 and 4: specX-Ray Diffraction SoftwareCerti
Page 5 and 6: TABLE OF CONTENTSUSER MANUAL AND TU
Page 7 and 8: Reciprocal Space Macros ...........
Page 9 and 10: Preface For the Interim ManualWe ap
Page 11 and 12: USER MANUAL AND TUTORIALS
Page 15 and 16: files is then identified (/usr/loca
Page 17 and 18: denotes variable parameters you sup
Page 19 and 20: spec also keeps track of software m
Page 21: 13.FOURC> mvr th 114.FOURC>will mov
Page 25 and 26: 4.FOURC> p date(1e9)Sat Sep 8 21:46
Page 27 and 28: Controlling Output Tothe Printer an
Page 29 and 30: By convention, global variables in
Page 31 and 32: 16.FOURC> for (i = 0; i < MOTORS; i
Page 33 and 34: When a macro definition contains ar
Page 35 and 36: 38.FOURC> undef com39.FOURC> prdef
Page 37 and 38: 43.FOURC> lsdef *scanEscan (1448) a
Page 39 and 40: diffractometer. For example, they m
Page 41 and 42: set_lim(motor_number, low, high) an
Page 43 and 44: 66.FOURC> getcounts; printf("%s = %
Page 45 and 46: the number of bytes is less than n
Page 47 and 48: PLOT-> fnscans.4 options scan-numbe
Page 49 and 50: #S number Starts a new scan. number
Page 51 and 52: ShowscansThe showscans program is a
Page 53 and 54: REFERENCE MANUAL
Page 55 and 56: IntroductionThe material contained
Page 57 and 58: ArraysArrays are formed using squar
Page 59 and 60: Numer ic ConstantsNumeric constants
Page 61 and 62: !! Redo the previous command.!14 Re
Page 63 and 64: In some installations, spec is inst
Page 65 and 66: ExitingA spec session is normally t
Page 67 and 68: DEBUG — is a user-assignable nume
Page 69 and 70: USER — is string valued and is se
Page 71 and 72: The concatenation operator comes in
Page 73 and 74:
The second form of the for statemen
Page 75 and 76:
These are the grammar rules:express
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local identifier-list [ ; ]syms pat
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Utility Functions and CommandsAll f
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.sp N — spaces N lines. Without a
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¢The formatting commands:.RB .BR .
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"ischr" or "−c" — Returns true
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polled devices, spec needs to perfo
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"show_prdef_files" — When this mo
Page 91 and 92:
EOS sequence are read or until the
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¡with dlog or ends with .dlog . De
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10.FOURC> def change_it ’{11.quot
Page 97 and 98:
tty_cntl(cmd) — Sends terminal-sp
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Commands For Var ia blesglobal name
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¤£ ¢prdef pattern ... — As abo
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at the end of the line.Within a mac
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config file. Built-in code for the
Page 107 and 108:
RS-232 Serial InterfacesSerial func
Page 109 and 110:
vme_put32(addr, data [, dmode ])
Page 111 and 112:
In addition, device-dependent value
Page 113 and 114:
correction. If val is given, then t
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¡and is set in the config file. Th
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¡data_grp(grp, npts, wid) — Conf
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"min" — Returns the minimum value
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"xlog" — Use a logarithmic x axis
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continued line, appropriate for sav
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LIBS= parameters. If the tools prov
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¡void set_return_data(double *x, i
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split(string, array) — Splits the
Page 131 and 132:
STANDARD MACRO GUIDE
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IntroductionThe standard macros inc
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the argument is not a valid mnemoni
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Utility MacrosUNIX CommandsThese si
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# View (and modify), then reread co
Page 141 and 142:
if ("$1" != ".") {DOFILE = "$1"if (
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Star t-up MacrosThese macros ask fo
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Motor Macrosmv motor posmvr motor p
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Change a motor limitdef set_lm ’i
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# Where - all motorsdef wa ’waitm
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# "count" is the basic macro to cou
Page 153 and 154:
Reciprocal Space MacrosThe followin
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Scan MacrosThe following sections s
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Basic Reciprocal Space Scanshscan s
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def Pheader ’printf("\n Setpoint
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’}Here are examples of _settemp m
Page 163 and 164:
Pr inter Initializa tion MacrosThes
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’X_L = motor_name(_m1)_sx = _s1 ;
Page 167 and 168:
space scans, the limit check must l
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}}Pheaderprintf("\noffpprintf(" ")_
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# The loop macro, called by all the
Page 173 and 174:
FOUR-CIRCLE REFERENCE
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IntroductionWhen invoked by the nam
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Once properly configured, diffracto
Page 179 and 180:
Four-CircleModesAs noted above, bec
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asurface, keeping α small will kee
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¢¢¢¢Sector sSectors correspond
Page 185 and 186:
Four-CircleFilesMost questions rega
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U[14] g_l0 or0, setor0 L of primary
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’gpset A[mA[1]] g_u01gpset A[mA[2
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global REFLEX # Variable for file n
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To calculate the new lattice parame
Page 195 and 196:
ADMINISTRATOR’S GUIDE
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IntroductionThe first section of th
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The distribution will be in tar for
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¢KSC 3929 SCSI-CAMAC file location
Page 203 and 204:
Installing Driver sIn the early his
Page 205 and 206:
Fine Tuning the HardwareConfigurati
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...*gparam[3] = 1.54;...if (*gparam
Page 209 and 210:
Makefile, and /usr/local/lib/spec.d
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Ena bling E/ISA I/O Por ts On HP 70
Page 213 and 214:
ˆW Gain wizard access to set prote
Page 215 and 216:
CA_LC2301CA_LC3512CA_LC3521CA_LC358
Page 217 and 218:
MCU_O As above, but with old PROMsM
Page 219 and 220:
config file that has the most motor
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the edconf program set-user id spec
Page 223 and 224:
HARDWARE REFERENCE
Page 225 and 226:
Introductionspec includes built-in
Page 227 and 228:
DSP 6001/6002 CAMAC With No Driverc
Page 229 and 230:
Kinetic Systems CAMAC Softwareconfi
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Any of the National Instruments boa
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National Instruments SB-GPIB Ver 1.
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modified version of the standard li
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Bit 3 Model 616/617 PCI-VMEBit 3 Mo
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Motor Controller sAdvanced Control
Page 241 and 242:
panel controls. Youshould consult t
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Huber SMC 9000 (GPIB)config file:GP
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motors on the board) and clears the
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translation stages, the maximum val
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MOTORS DEVICE ADDR MODE NUM TYPEYES
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The driver is contained in the file
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30.FOURC> print motor_par(tth, "rea
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free-axis-displacement commands "L+
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PMC Corporation DCX-100 (Serial and
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Motor ParametersThe steps per deg/m
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Timer s and CountersAm9513-based Co
Page 263 and 264:
DSP RTC-018 Real Time Clock (CAMAC)
Page 265 and 266:
Kinetic Systems 3610 6-Channel 50 M
Page 267 and 268:
Or tec 974/994/995/997 NIM Timer s
Page 269 and 270:
Setting Operational ParametersThe c
Page 271 and 272:
mca_par("first_ch") — returns the
Page 273 and 274:
Oxford/Tennelec/Nucleus PCA Mutlipo
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mca_par("preset") — in PHA mode,
Page 277 and 278:
¢REFERENCESJournal articles descri
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camac program, 199cat macro, 127cd
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opening, 6selecting, 6standard form
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saving to output device, 132scan, 1
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number,35, 37output, customizing, 1
Page 287 and 288:
wait() function, 33, 68, 77, 78, 99
Page 289 and 290:
¡spec (1) (CSS Utilities) spec (1)
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