Overlay symbols from multiple catalogs on the current image:.Full support for loading, displaying, filtering and saving catalogs.Smoothing – implemented on a per-channel basis for RGB.Coordinate Grids – create and display coordinate grids as an overlay on an image.DS9 can create and display contours as an overlay on a data image. Contours – curves along which the pixels have a constant value.The first release of SAOImage DS9 was made available in 1999. The GUI is implemented as a very thin layer of Tk. SAOImage DS9 is composed of approximately 20 open source packages.ĭS9 is a Tcl/Tk application. It is highly configurable and extensible to meet the evolving needs of the astronomical community. DS9 supports the direct display of FITS images and binary tables, multiple frame buffers, region cursor manipulation, many scale algorithms and colormaps, and easy communication with external analysis tasks. It also incorporates the new X Public Access (XPA) mechanism to allow external processes to access and control its data, GUI functions, and algorithms. It is a Tk/Tcl application which utilizes the SAOtk widget set. It provides for easy communication with external analysis tasks and is highly configurable and extensible via XPA and SAMP.ĭS9 is the next version of the popular SAOtng display program. DS9 supports FITS images and binary tables, multiple frame buffers, region manipulation, and many scale algorithms and colormaps. A major plus are the following: the tool is free of cost, has rich documentation for understanding where to start learning, and is supported by the astronomical community (which is prolific for quality and assistance).SAOImage DS9 is an open source astronomical imaging and data visualization application. To summarize, SAOImageDS9 is an excellent choice for anyone interested in conducting in-depth analysis in the astronomical field. Last but not least, with the help of the built-in Prism feature, you can preview and analyze FITS file structures, examine all the extensions (including the headers and the table data), and generate 2D and histogram plots, straight from your column data. Plus, with the new footprint server, users get increased compatibility with Chandra and Hubble Legacy Archive. This overlay displays valuable configuration options and choices for filtering, sorting, and registering unique observations (from the catalog dialog's config options). For example, when it comes to GUI changes, users can replace the light theme with the dark one, and they also have available controllers for the display of all windows, plots, and dialogs.įurthermore, the app adds an overlay onto any loaded image. SAOImageDS9 is a powerful utility that offers accessibility, solid performance, and flexible design configuration. A utility with embedded footprint server, plot dialogs support, and a Prism feature The tool enables frame adjustment on the map, different zooming in and out (with predefined levels), scale configuration, region focus and selection, or mask, graph, and crosshair parameter adjustments. The tool also allows importing arrays, n-dimensional raster data (NRRD), flat-binary raster files (ENVI), and other types of visual elements in the following formats: GIF, TIFF, JPEG, and PNG.Īfter uploading your content, you have the general viewing panel, plus two smaller windows that allow visualizing the space orientation on the map, respectively, the frame, pixel-like objects (for in-detail lookup). With SAOImageDS9 you can easily open new FITS files and start examining the content within minutes. SAOImageDS9 is a multi-platform tool, a Tk/Tcl program that enables visualizing astronomical images and analyzing complex FITS data.
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