... Assuming that this is done, the attitude can then either be calculated ( attstyle =`start', `mean' or `median') or input directly by the user ( attstyle =`user', then supply attra , attdec and attapos ). ... attstyle =`start': the attitude at the start of the exposure is used. attstyle =`mean': the mean value of the attitude (as sampled in the attitude history file) is used. attstyle =`median': the median value of the attitude (as sampled in the attitude history file) is used. ...

... 2.1 What is Dithering? ... 2.4.1 No Dithering . ... 2.4.4 Dithering for Parallel Images . 2.5 More Detailed Considerations . 2.5.1 Data Quality Issues involved in Dithering . ... 2.5.4 How many Images to Obtain at each Dither Location . ... 3.2.3 Drizzle . ... 3.4 Image Fidelity After Drizzling . ... 4.2.1 Introduction . ... 5.3.2 Parameters . 5.3.3 Basic Examples . ... 5.4.8.1 General Explanation . 5.4.8.2 Parameter Details . ... 5.5 Optimizing the Drizzle Parameters for Your Data . ...

Contents] [Prev page] [Next page] [Index] . ... Positioning HTML Content Using Styles . Positioning HTML Content Using the <LAYER> Tag . ... Absolute Positioning . ... Creating Positioned Blocks of Content Dynamically . Writing Content in Positioned Blocks . ... Positioning the Flower Layers . Positioning and Moving the Fish and Poles . Defining the onLoad Handler for the BODY Element . ... Adding Another Layer to Contain the Reverse Fish Image . ... The Initialization Functions . ...

pa is the position angle of the major axis of the isophote 25 mag/arcsec**2 in the B-band for galaxies. It is counted from the North ( pa=0 ) toward East between 0 and 180 . The position angle is defined in the B1950 coordinate system, but the differences introduced by the precession are generally within the precision of the measurements. The length of the major axis is defined in the parameter logd25 , and the axis ratio in the parameter logr25 . ... HyperLeda . ...

... CentralProcessor 0.11 documentation . ... It can be run with the following command, where ?config.in? is a file containing the configuration parameters described in the next section. ... Parset parameters understood by ccontsubtract are given in the following table (all parameters must have CContSubtract prefix, i.e. CContSubtract.dataset ). ... A number of other parameters allowing the user to narrow down the data selection are understood. ... Parameter . ... Data set file name to work with. ...

... The Boolean object is an object wrapper for a boolean value. ... JavaScript 1.3: added toSource method . ... If value is omitted or is 0, -0, null, false, NaN , undefined, or the empty string ( "" ), the object has an initial value of false. All other values, including any object or the string "false" , create an object with an initial value of true. ... For Boolean objects and values, the built-in toString method returns the string "true" or "false" depending on the value of the boolean object. ...

tranback -- Transform an X,Y position from output to input pixel position using the same conventions as drizzle tranback xout yout . xout = 400 [real] . ... The X dimension of the input image (this is used to determine the centre which is the origin of the transformations). (nyin = 800) [real] . ... If "output" the input image center is mapped to the center of the output grid, rotated about that center and then shifted along the grid of the output image. ...

polimodel -- Produce model linear polarization and position angle images . ... Whether to apply random errors to output polarization and position angle values. seed = "" [integer] . ... This task produces a model linear polarization image and corresponding position angle image from an input image assumed to represent intensity (Stokes I parameter). ... A threshold for the input image can be defined such that polarization and position angle are not computed for input values less than this threshold. ...

... This section will deal with obtaining photons within specified regions of an image. Available regions are: Annulus Box Circle Ellipse Field -- entire field Irregular region based on intensity of map... i.e. region defined by contour levels. ... The imcnts task in the xray-spatial package sums the source and background counts in specified regions, and subtracts one from the other properly normalized. ... imcnts* - Find counts in an extended region, after removing an embedded point source . ...

... define constants real, parameter :: g = 9.8 real, parameter :: pi = 3.1415927 integer :: n, i real :: a, u, delt real :: ttot, t, x, y ! Read values for u and a from terminal write(*,*) 'Enter initial speed u:' read(*,*) u write(*,*) 'Enter initial angle a in degrees:' read(*,*) a ! ... Read value for time interval from terminal write(*,*) 'Enter time interval:' read(*,*) delt if (delt <= 0.0) stop 'Invalid time interval!' Calculate number of time intervals n = ttot / delt ! ...

... spectrum . ... sfit . ... define >macro_name< : define a macro . ... meth_range <w1> <w2>: Set wavelength range for fit . data_spectrum <name> : data in "spectrum" format . ... data_sigma <sigma> : define mean standard error in data . ... data_line_set | ... NB: synth uses multiple calls to spectrum , so various Spectrum commands may also be required. synth : find optimum fit by adjusting abundances, v turb , v sin i , and v rad . ... save <fit> : Save the spectrum and best fit from synth . ...

... All the parameters provided in this database have been obtained using the the MIRIAD ( Sault et al. 1995 ) task MBSPECT . MBSPECT makes a spectrum of the velocity (or frequency) axis of a cube. The spectrum is beam-weighted, over the width specified, for the other image axes. ... Robust parameters are calculated by using an algorithm which minimises the mean absolute deviation of the flux-weighted velocities. mask= This specifies the x-axis ranges to be excluded from any continuum fit. ...

... Previous: Background Fluctuation Analysis from the Multiscale Entropy . ... A new measure of information is defined which is based on noise modeling and incorporates resolution scale. Properties of this measure are discussed. ... Additionally it allows for image noise modeling, and subsequent noise removal. ... Hence information- and entropy-based processing technologies will be necessary for the effective design and implementation of large, future generation, image databases. ...

Full-Text Search in PostgreSQL: A Gentle Introduction . ... COMMENT ON FULLTEXT -- define or change the comment of a full-text object . COMMENT ON FULLTEXT { CONFIGURATION | ... COMMENT ON FULLTEXT stores a comment about a full-text object (configuration, dictionary, parser). To modify a comment, issue a new COMMENT ON FULLTEXT command for the same full-text object. ... COMMENT ON FULLTEXT DICTIONARY intdict IS 'Dictionary for integers'; =# \dFd+ intdict List of fulltext dictionaries Schema | ...

The first field of each line starts at 0 (zero); the second is 1 (one) and so on. To define which field to sort on you give the position of the field at which to start the sort followed by the position at which to end the sort. The position at which to start the sort is given as the number of fields to skip to get to this position. ... tells sort to skip the first two fields. The position at which to stop the sort is given as the number of the field at the end of which the sort stops. ...

... Impact of Covariance Information on the Orientation Parameters Between Radio Source Position Catalogs, IVS 2012 General Meeting Proceedings, p.339­341 http://ivscc.gsfc.nasa.gov/publications/gm2012/sokolova.pdf Impact of Covariance Information on the Orientation Parameters Between Radio Source ... IVS Analysis Centers provide these catalogs in a standard IERS format, where together with radio source positions and other relevant information, RA/DE correlations are reported. ...

... Activity 3: Measuring the Position of the Sun in the Sky . Purpose: To give students the opportunity to measure the position of the Sun in the sky using simple tools and methods. ... Alternatively, you may have students devise their own methods of relative measurement and apply them to measuring the position of the Sun in the sky. ... Rangi is the sky, and when the Sun is near Rangi's head it is summer in New Zealand. ... Read the Maori story to students. ... back to Teachers' Newsletter Main Page ...

... This appartus will drop a mass from different heights. When the mass strikes the ground, some percentage of its original energy will be absorbed by the ground. ... The percentage of the energy which is absorbed by the surface on each "bounce" (EAS) . ... The impact velocity of the object will also be given at each bounce. ... Start= Drop the ball after Energy, Mass and EAS have been set; resume after step or pause has been selected . ... Reset = Reset experiment to intial values . ...

grdtrend - Fit and/or remove a polynomial trend in a grd file grdtrend grdfile -N n _ model [ r ] [ -D diff . grd ] [ -T trend . ... grd ] grdtrend reads a 2-D gridded file and fits a low-order polynomial trend to these data by [optionally weighted] least-squares. ... Optionally, append r to the -N option to perform a robust fit. ... N n _ model [ r ] sets the number of model parameters to fit. Append r for robust fit. ... D Write the difference (input data - trend) to the file diff . ...

... The perceptron structure, on the basis of which the database is built, is defined by a number of the input and output parameters and a required accuracy. ... The output perceptron data are the expansion coefficients of the scattering matrix elements in series of the generalized spherical functions. ... As the cluster structure depends on the generation conditions the expansion coefficients were averaged over 5--7 realizations of the clusters (for N . ... is the coefficient number. ...