... The pinhole simulation program is a computationally and memory intensive task. ... A parallel version was developed instead, to enable distributed processing on a cluster of workstations. The program makes use of the Message Passing Interface (MPI) standard for parallel processing, implemented as an API (Application Programming Interface) to the Local Area Multicomputer (LAM) programming environment developed at the Ohio Supercomputer Center. ...

... The essence of the solution is to generate a virtual PC on your desktop PC and install an old Linux distribution, circa 2006, in that. ... There are two major free virtual machines available for Linux, these are VirtualBox and KVM. ... Boot the virtual machine. ... Install a Linux 2.6 kernel if it isn't installed by default (you'll need to reboot the virtual machine after this step): . ... Printable View of http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/pmwiki.php/MROIDelayLine/TrolleySoftware) ...

... The Network Time Protocol (NTP) is used to synchronize the time of a computer client or server to another server or reference time source, such as a radio or satellite receiver or modem. ... Information on the NTP architecture, protocol and algorithms can be found in the Further Information and Bibliography page. The Building and Installing the Distribution page presents an overview of the procedures for compiling the distribution and installing it on a typical client or server. ...

Modules | ... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... Other Modules . ... Core Apache HTTP Server features that are always available . ... This module provides for executing CGI scripts based on media type or request method. mod_alias . ... Sends files that contain their own HTTP headers . ... User authentication using MD5 Digest Authentication. mod_authn_alias . ... Provides for "trailing slash" redirects and serving directory index files . ...

Modules | ... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... Other Modules . ... Core Apache HTTP Server features that are always available . ... This module provides for executing CGI scripts based on media type or request method. mod_alias . ... Sends files that contain their own HTTP headers . ... User authentication using MD5 Digest Authentication. mod_authn_alias . ... Provides for "trailing slash" redirects and serving directory index files . ...

... SMIS : Space Monitoring Information Support laboratory . Russia's Weather : State Meteorological Center Weather Forecast . Space Weather service : ACE real time solar wind data and simple geomagnetic activity forecast. ... World Fire Web : Space Research Institute (IKI) node . Sputnik : Joint project of SRC Planeta, Rosgidromet and Space Research Institute (IKI) . ... Today's Space Weather : Presented by the Space Environment Center . ... Back to the Space Research Institute Home Page ...

Next: Image Formation Up: Improved Prescription Retrieval and Previous: Improved Prescription Retrieval and . Image restoration is the process of removing artifacts caused by telescope imperfections from images. ... As part of the ST ScI Image Restoration Project, and continuing under new NASA funding, we are exploring improved ways for determining telescope imperfections, and for using that information to compute accurate point spread functions (PSFs) for restoration. ...

... List of SAS threads This thread illustrates you how to reprocess Observation Data Files (ODF) to obtain calibrated and concatenated event lists, which can be directly used to generated scientific products (images, spectra, light curves) through evselect or xmmselect . ... run the EPIC reduction meta-tasks. ... emproc For the pn: . ... emproc selectinstruments=yes emos1=yes . ... Concatenated and calibrated EPIC event lists are already available in the PPS Pipeline Products . ...

... User submits a job to the master host 2. ... Execution hosts execute the job Users can: ·specify minimum requirements ( e.g number of nodes , memory available etc.) ·assign the start time of the job ·Assign job priorities (requires right to do so) There are numerous DRM systems available ( e.g . Torque) OGE (at least theoretically) meets all DiFX requirements OGE is very well documented OGE is very simple to install (part of RHEL and many other distributions) ...

Chapter 11. Specifying OpenGL Environment Variable Settings . ... Several antialiasing methods are available and you can select between them by setting the __GL_FSAA_MODE environment variable appropriately. ... To see the available values for __GL_FSAA_MODE along with their descriptions, run: nvidia-settings --query=fsaa --verbose . The __GL_FSAA_MODE environment variable uses the same integer values that are used to configure FSAA through nvidia-settings and the NV-CONTROL X extension. ...

... user-defined data file formats . ... better integration with a user's analysis routines To add such functionality to SAOimage, we developed the XPA Messaging System that allows X programs to define points of public access through which data and commands can be exchanged with external programs. ... We have utilized XPA to develop "SAOimage: The Next Generation" (SAOtng), an extensible image display service that can cooperate with other processes and programs. ... SAOtng help pages . ...