... Classes . ... casa::MMapfdIO . ... MMapfdIO (int fd, const String &fileName) . Map the given file descriptor entirely into memory with read access. ... getReadPointer ( Int64 offset) const . ... const void* casa::MMapfdIO::getReadPointer . ... The seek and write functions should be used to extend a file. void* casa::MMapfdIO::getWritePointer . ... The file name is only used in possible error messages. void casa::MMapfdIO::mapFile . ... Unmap the file. virtual void casa::MMapfdIO::write . ...

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• casacore: casa::ArrayIterator< T > Class Template Reference
• casacore: casa::TSMColumn Class Reference
• casacore: casa::TiledFileHelper Class Reference

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

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• Astrophysical Research Consortium - Apache Point Observatory

... This task operates on event data in an event list. ... In the first two cases, the celestial coordinates of the reference point are taken respectively as the values of the RA_NOM , DEC_NOM or RA_OBJ , DEC_OBJ values in the input event file header. ... Although the OM attitude information may be more accurate, it will not be present throughout part of the observation, and as such, the default source for the attitude data should be "ahf". ...

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• Procedure
• Example 3: Point source with explicit position

Stellarium 0.12.3 . ... Classes . ... Protected Attributes . StelVertexBufferBackend Class Reference abstract . Base class of all vertex buffer backends. ... StelVertexBufferBackend (const QVector< StelVertexAttribute > & attributes ) . Construct a StelVertexBufferBackend , specifying attributes of the vertex type. ... virtualљ . ... virtual voidљ . ... Data members of the vertex must match vertex attributes of the buffer. ... const Attributes StelVertexBufferBackend::attributes . ...

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• Stellarium: StelQGLArrayVertexBufferBackend Class Reference
• Stellarium: StelQGLInterleavedArrayVertexBufferBackend Class Reference
• Stellarium: StelVertexBuffer< V > Class Template Reference

... The Nasmyth platform for the old Visitor Focus on VLT-Melipal (UT3) as seen from the Nasmyth access platform on the fixed part of the telescope enclosure. ... Detailed view of the opening and the rail. ... View from the Nasmyth platform towards the (fixed) Nasmyth access platform. ... View from the Nasmyth access platform towards the Adapter/Rotator. ... This is the only position where direct access from the Nasmyth access platform is possible; telescope azimuth motion has to be locked in this case....

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• Load point data

ImageIO - Reference Counted C++ Class for Reading and Writing Images . include ImageIO .h // types of image data (these mostly correspond to the FITS BITPIX values) enum ImageDataType { UNKNOWN_ IMAGE = -1, // unknown type BYTE_ IMAGE = 8, // 8 bit images X_ IMAGE = -8, // special, color scaled, X image data SHORT_ IMAGE = 16, // 16 bit signed USHORT_ IMAGE = -16, // 16 bit unsigned LONG_ IMAGE = 32, // 32 bit integer FLOAT_ IMAGE = -32 // 32 bit floating point }; ...

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• Primary Catalog
• Source Positions
• HyperLeda: example of online pipeline processing

It seems that every time I try to correct for a pointing error, I have to figure out the sign of the pointing error as reported by the various routines. The pointing error is computed using the heiles calibration scans and by using the turret scans. ... The center of the pattern is the "computed" position of the source using the ra,dec transformation to az,za and any current pointing model. ... X0, Y0 are reported as the error. ... So for turret scans, Add the az,za error to the pointing model. ...

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• http://www.naic.edu/~phil/pnt/turretPositions.html
• patriot 12 meter telescope
• Pulsar ALFA Project Page

There are various kinds of generic information you can retrieve about an XPA access point by using the xpaget command. ... Each XPA access point supports a number of reserved sub-commands that provide access to different kinds of information, e.g. the access control for that access point. ... acl get (set) the access control list [options: host type acl, for set] . ... This access point is available only on the server machine. -env get (set) an environment variable [options: name (value, for set)] . ...

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• SAO RSDC Home Page - RRA - PSPC
• Access Point Names and Templates
• ChaMPlane apj_appendix

... Astrometry with the FGS, by contrast, proceeds in the reverse order; the positions of the individual objects are found first, and then a virtual plate is constructed with the help of data from the guide stars and check stars. ... Corrections based on guide star data are referred to as POSITION mode dejittering , and those based on check star data are called drift corrections . ... The adjustments to the astrometry centroids from this POSITION mode dejittering correction are typically about 1 mas. ...

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• CSPICE Routines: NEARPT_C
• Chapter 5: Point Spread Function
• Chapter 5:  Point Spread Function

... Bit Fields . Bit Fields: Practical Example . ... NOTE: The combination of pointers and bit-level operators makes C useful for many low level applications and can almost replace assembly code. ... To illustrate many points of bitwise operators let us write a function, Bitcount , that counts bits set to 1 in an 8 bit number ( unsigned char ) passed as an argument to the function. int bitcount(unsigned char x) { int count; for (count=0; x != 0; x>>=1); if ( x & 01) count++; return count; } . ...

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• LWN: Driver porting: Zero-copy user-space access
• LWN: Driver porting: supporting mmap()
• Stream 1/0

... SAI CAS . ... Catalog Access Services . ... This site is about the Virtual Observatory project at the Sternberg Astronomical Institute, Moscow University ( SAI MSU ). We provide a public access to the growing set of astronomical services developed by the SAI RVO development team in accordance with the Virtual Observatory standards. ... We provide access (programmatic and interactive) to the all major and biggest astronomical catalogs (about 4 billions objects total) as well as other web-services. ...

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• astro-ph
• SAI Virtual Observatory Project - About
• SAI CAS: Accessing SAI CAS from scripts

... It interpolates the grid at the positions in the table and writes out the table with the interpolated values added as a new column. A bicubic [Default] or bilinear [ -Q ] interpolation is used, requiring boundary conditions at the limits of the region (see -L flag option). xyfile This is an ASCII [or binary, see -b ] file where the first 2 columns hold the (x,y) positions where the user wants to sample the 2-D data set. ... Default is 2 input columns]. -bo Selects binary output. ...

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• http://xray.sai.msu.ru/~polar/xmgr/points.html
• http://xray.sai.msu.ru/~ivan/gmt/man/fitcircle.html
• http://xray.sai.msu.ru/~polar/xmgr/view.html

... Positions in 2000 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2001 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2002 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2003 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2004 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . ...

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• Armagh Observatory Virtual Visit
• Research Activity and Funding Trends

... In polar coordinates, the point P is defined by its distance r from the origin O (see drawing) and by its polar angle ("azimuth" on a map) between the x-axis and the "radius" r = OA, measured counter-clockwise. ... When one or both are negative , the angle f is larger than 90 degrees, and such angles never appears in any right-angled triangle. ... There is a simple solution , though: use the above equations to re-define sin f and cos f for such larger angles! ... But it also works for larger angles....

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• Lagrangian Points
• The Sundial
• About Project Pages

... Type | ... Dict_init has one option: text value from dict_initoption and should return internal representation (structure) of dictionary. ... Arguments: pointer to HLPRSTEXT, pointer to query, pointer to option (as text pgsql's type) prs_lextype returns array of LexDescr (see wparser.h), describing types of lexem that can be returned by parser. =# \d pg_ts_cfgmap Table "public.pg_ts_cfgmap" Column | ... 0 Comments on Tsearch V2 in Brief This page is read-only View other revisions Administration . ...

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• Oleg Bartunov's Home Page
• Stars proper motions in NGC7063 open cluster
• Light Curve Templete/Observing Form For Visual SNe Observers.

... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...

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• Trigonometry beyond 90 degrees
• Two points (INTERBALL-1 and MAGION-4) observations of magnetopause motion
• Coordinates

... Previous: Multi-threaded Query Agent and Engine for a Very Large Astronomical Database . ... Dedicated tools have been developed at CDS in order to face the challenge of fast on-line access to very large astronomical catalogues. ... When a query to such a large catalogue is submitted to VizieR , the CDS database of catalogues and tables (Ochsenbein et al. 2000), a dedicated program handles the request, extracts and decodes the matching data, and sends its output back to VizieR. ... 1990, Russel et...

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• ADASS 2002 Conference Proceedings
• An Extragalactic Point Source Simulator for SIRTF Pipeline Testing
• ADS's Dexter Data Extraction Applet

The HyperNews Linux KHG Discussion Pages . Forum: The Linux Kernel Hackers' Guide . Keywords: module . Date: Wed, 01 Oct 1997 12:43:36 GMT . ... I am writing a module whose main purpose is to allow a user app to change the values of some variables in the kernel's memory area. Using the modules in /usr/src/linux/drivers/net/ as a starting point, I have been able to create the module. ... I am now looking for a way for the user level application to be able to access the module. ...

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• LASG - Virtual private networks
• Writing a parport Device Driver
• Translating Addresses in Kernel Space

... Structure of Data . ... Catalog . ... The SAI OCL Catalog site provides several VO-enabled modes of operation: . VO-enabled catalog data analysis from a browser . ... Endpoint URL is http://ocl.sai.msu.ru/catalog/conesearch/ . ... VO-enabled catalog analysis from a browser . Presently, this recipe works with Firefox (Windows, MacOS, Linux), Internet Explorer (Windows) and Opera (Windows) browsers with Java plugin 1.6 installed. ... Main TOPCAT window with SAI OCL catalog loaded will appear. ...

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... DevHlp_Security This devhlp allows to open a file for read access in the Init routine of a BASEDEV . ... returned: size of file SYIOpenFile ends Valid at INIT time only. ... This routine uses the corresponding function of the miniFSD , not normal file I/O, thus access is restricted. ... Although the size argument of the data structure implies, I'd recommend to better not read more than 32K at a time. ... DL = 044h This function will return the table of security helper functions for file access. ...

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• Dynamic HTML in Communicator
• Pointers
• Fortran 95