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dataset

list the parameters of the currently JOINed data file
see also : JOIN LISTFILEC


DBCLOSE

DBCLOSE array_name Closes the db file previously associated to the array array_name by a previous DBOPEN command.
see also : DBOPEN


DBOPEN

DBOPEN file_name array_name associates the array array_name with the db file file_name. Each operation on the array will be propagated to the file : access, change, delete, exist(), nextlm() etc... Any db file can be accessed.
see also : DBCLOSE FOREACH FUNCTIONS VARIABLES


DCALGO

DCALGO n Selects the which kind of data will be used for the first segmentation step of BCORR 3 when Dynamic clustering is used. +1 : the algorithm runs on the data set. +10 : the algorithm runs on the first derivative of the data set. +100 : the algorithm runs on the second derivative of the data set.
see also : BCORR BCORRP?


DCDISTANCE

Selects the norm that will be used for the first segmentation step of BCORR 3 when Dynamic clustering is used. 0 : Norm 1. 1 : Euclidian distance.
see also : BCORR BCORRP?


DCFACTOR

Selects the scaling that will be used for the first segmentation step of BCORR 3 when Dynamic clustering is used.
see also : BCORR BCORRP?


DCITER

Selects the maximum number of iterations that will be used for the first segmentation step of BCORR 3 when Dynamic clustering is used.
see also : BCORR BCORRP?


DEBUG

When this context is set to 1 some command generate some debuging information. Used mainly by developers.
see also : REFMACRO TIMER VERBOSE


DFACTOR

DFACTOR value Relates arbitrary unit decay factors given by DMIN and DMAX to actual unit. related contexts : $DFACTOR
see also : calibdosy DMAX DMIN UNIT


DIAG

DIAG {direc} In 2D, extracts the diagonal of the 2D and put into the 1D buffer In 3D, extracts one diagonal plane of the 3D cube, chosen with the direc parameter and put it into the 2D buffer
see also : COL DIM PLANE ROW VERT


DIAGONALIZE

Diagonalize the current 2D buffer (must be square and real), puts the eigenvalues into the 1D buffer, sorted in decreasing order; and puts the eigenvector matrix into the 2D buffer
see also : BACKPROD


DIALOGBOX

DIALOGBOX dialog_name - [field_name field_param ] | - noreturn | (n times) - separator | * Permits to construct a dialog box with editable fields. The box will appear in a window called dialog_name . The Gifa program will be blocked as long as the user has not closed the window. It will have two buttons at the button : Ok closes the form and resumes the execution of Gifa Cancel closes the form, aborts the command and generates an error The dialog box is also composed en fields which appear one on each line in the window. A dialog box can hold as many field as needed. Each field has the following general format : field_name field_type eventual list of parameters... field_name is displayed on the left side of the field field_type determines the kind of field, field_type is chosen in the following list : message, text, string, int, real, file, cursor, enum, multienum Field types are as follow: message type of field have no other field, this kind of entries serves to put plain text in the form text interprets field_name as a file name which is presented in a scrollable window. All following type have a field_var entry which determines the name of the Gifa variable in which the user input will be stored, and the default_value entry which determines the value of that variable when creating the form : field_name field_type (eventual parameters) var_name default_value string int real and file types of field have no additionnal parameters. They appear in the window as editable string. When the user hits return there, the content of the string is copied to the Gifa variable var_name. file entries will have a small arrow which permits to open a standard file dialog window. field_name cursor starting_val ending_val numb_of_digit var_name default_value cursor permits to create a sliding cursors. It has 3 additionnal parameters : starting_val ending_val numb_of_digit. starting_val and ending_val determines the edge of the slider zone. numb_of_digit determines the resolution of the slider, if 0 -> will be integer, if larger -> will be real. field_name enum/multienum enul_list var_name default_value enum and multienum permit to choose an entry into a list. enum will appear as a pop up menu permitting to choose between the entries defined in the list : enum_list. multienum will appear as a scrollable list, and several entries can be chosen from the list These field have an additional entry : enum_list. This list is a single blank separated word, each item being separated with commas. Two special entries are also available, and not associated to fields but rather to formatting the box. separator permits to enter a separator in the form, noreturn implies that the following field will be presented on the same line than the previous entry. The list is terminated with a star. The variables used by the editable entries are regular variables, that can either global or local to macro that built the dialog box. If the variable does not exist before creating the dialog box, the variable will be created local. The variables will be available to the macro after the user has clicked on Ok.
see also : BUTTONBOX CLOSEBUTTON FORMBOX MACRO


DIM

DIM n (n=1 , 2 or 3) DIM is a context which equals 1 if you are processing one dimensional NMR spectra, 2 if you are processing two dimensional spectra and 3 if you are processing three dimensional spectra. Since 1D 2D and 3D data-sets are kept in different buffers, you can switch between this 3 modes freely, keeping the data-sets protected. related contexts : $DIM
see also : COL DIAG PLANE ROW size VERT


DISCONNECT

Journaling is resumed to the standard gifa.log files when previously redirected with the CONNECT command.
see also : CLOSE CONNECT LOG OPEN


DISJOIN

disconnect the previously connected file with the JOIN command related contexts : $C_JOINED $C_NAME
see also : dataset JOIN LISTFILEC


disp

obsolete, for compatibility

DISP1D

DISP1D 0/1 When DISP1D is set to one, the window displaying the content of the 1D buffer is opened. The window is closed if DISP1D is 0. related contexts : $DISP1D $ABSMAX $BCOLOR $COLOR $SCALE $VHEIGHT $AXIS $ZOOM ZOOM_1D[1] ZOOM_1D[2]
see also : AXIS BCOLOR CCOLOR CDISP2D CLEAR COLOR DISP2D DISP3D REF SCALE SHOWC STPL STPL? super1d UNREF


DISP2D

DISP2D 0/1 When DISP2D is set to one, the window displaying the content of the 2D buffer is opened. The window is closed if DISP2D is 0. related contexts : $DISP2D $ABSMAX $BCOLOR $COLOR $SCALE $SIGN $AXIS $ZOOM ZOOM_2D[1] ZOOM_2D[2] ZOOM_2D[3] ZOOM_2D[4]
see also : AXIS BCOLOR CDISP2D CLEAR COLOR DISP1D DISP3D REF SCALE STPL STPL? UNREF


DISP3D

DISP3D n When DISP3D is set to 1, a graphic window is opened which will be used by the REF3D command to display 3D vues of the current3D data- set. The size of the window is set to max(cx,cy,cz) in each dimension. related contexts : $DISP3D
see also : ALPHA AXIS3D BETA CDISP2D CHECK3D CX CY CZ DISP1D DISP2D disp3d_form GAMA OFFSET3D PLOT3D REF3D SCALE3D ZNOT


disp3d?

interactive for choosing the view point in 3D user gets prompted for values
see also : DISP3D disp3d_form


disp3d_form

interactive for choosing the view point in 3D builds a form to enter parameters for 3D display and plotting.
see also : DISP3D PLOT3D zoom3di


disp?

initeractive to set all plot relevant parameters
see also : DISP1D DISP2D DISP3D


dispcont

dispcont no_arg creates a form box which permits to modify the contour parameters calls itself with parameters for the update
see also : CDISP2D LEVEL LOGA SIGN


DIST

This command will issue the distance value as computed from the reference distance, set by CALIBDI, and the current relaxation rate, set by RELAXRATE related contexts : $DIST
see also : CALIBDI METH RCRYST RELAXRATE


DMAX

DMAX value Determines the fastest decaying component during Laplace analysis Given in arbitrary unit, use DFACTOR to relate to actual values. related contexts : $DMAX
see also : DFACTOR DMIN INVLAP INVTLAP LAPLACE TLAPLACE UNIT


DMIN

DMIN value Determines the slowest decaying component during Laplace analysis Given in arbitrary unit, use DFACTOR to relate to actual values. related contexts : $DMIN
see also : DFACTOR DMAX INVLAP INVTLAP LAPLACE TLAPLACE UNIT


dmxclean

dmxclean DECIM_value DECIM is a parameter which is found in the acqus file in your data tree. This macro solves the problem of the 'additional' points on the data-sets acquired on DMX Bruker spectrometer with the digital filtering on. After applying the macro, you get an FID, on which regular processing should work, All apodisation of Linear Prediction processing will behave as usual. The macro assumes that you have acquired in SIM mode, and will work much better if you have a spectrum phased at the acquisition level. Be carefull that this macro will change slightly the size of your data-set, since the wrong points are removed. Look to the F.A.Q. at the end of the manual for details DECIM logic is adapted from W. M. Westler and F. Abildgaard

dosy.g

dosy.g this is a Graphic Interface to the dosy2d and dosy3d macros in 2D file will be written at the en of the processing in 3D file is part of the processing.
see also : dosy2d dosy3d


dosy2d

dosy2d type size thres implements the complete DOSY processing for 2D DOSY data are in-memory, diffusion dimension is in F1, NMR spectra in F2 type : tabulated or regular : determines the type of sampling size : size after Laplace inversion thres : multiplier used to determine the processing threshold only columns which first point is larger than the noise level by this ratio, will be processed
see also : dosy.g dosy3d dosy_setup INVLAP INVTLAP


dosy3d

dosy3d type size thres 3dname implements the complete DOSY processing for 2D DOSY data are in-memory, diffusion dimension is in F1, NMR spectra in F2 and F3 The final spectrum is written in the cache system. type : tabulated or regular : determines the type of sampling size : size after Laplace inversion thres : multiplier used to determine the processing threshold from the noise level 3dname : name of the 3D spectrum
see also : dosy.g dosy2d dosy_setup INVLAP INVTLAP


dosy_setup

dosy_setup interactive Graphic interface to set most of the parameters needed for dosy processing
see also : DFACTOR DMAX DMIN dosy.g ITER LAMBSP NDISP


DO_NOTHING

DO_NOTHING

DSA

DSA shift factor. Adds to the current data set the same data set multiplied by factor and shifted left by shift points. When applied on a FID with a strong signal at zero frequency, wiil remove this signal. Useful for suppression of water signal.
see also : rem_h2o


DT->AR

Calculates the autoregressive coefficients directly from the data using the Burg method. related contexts : $ORDER $NAR
see also : AR->DT ARLIST BURG ORDER


DT->SVD

DT->SVD size Calculates the Toeplitz rectangular matrix from the data and perform the singular value decomposition. size is the size of data used in the formation of Toeplitz matrix. This is the first step of the LP- SVD spectral analysis method. The same singular value decomposition can be used to perform forward and backward analysis. related contexts : $ORDER $NSVD
see also : SVD->AR SVD->DT SVDCLEAN1 SVDLIST


DUMP

Lists the values of all the variables presently defined within GIFA. Each value is shown with its associated context level : level 20 is the global context, higher context are associated to higher call levels.
see also : SET