Some users may find this functionality useful.Īs most modern programs, PixInsight stores a list of recent files that have been opened and this is accessible via the menu File -> Open Recent. You can of course opt to overwrite the original image with File -> Save As all the same, though. This forces you to use File -> Save As, to save it as a whole new image file. When changes are made to this image, the File -> Save option will remain greyed out (disabled) because PixInsight does not recognise the image as a file that already exists on your computer. If we however use Open a Copy, PixInsight reads the image file itself but essentially creates an image within PixInsight that is identical. To avoid this, you would need to use File -> Save As and save it as a different image file with either a different filename, in a different folder, or both. If you then make changes to the image and go to File -> Save, this will quite literally overwrite the image you opened with the changed version. However, Open opens the actual image file you point to. It is noted at this point that while PixInsight supports a great deal of image file formats to open, it will only save in a number of formats.īoth achieve what they are supposed to - open an image in PixInsight. This means TIFF can be used where you wish to retain greater colour accuracy, even if most monitors cannot display above 8-bit (professional monitors usually go as far as 10-bit, at present). Keep in mind that unlike JPEG and PNG that are 8-bit formats, TIFF can be saved as 8-bit, 16-bit or even 32-bit format. The other file formats should only be used when the image post-processing is finished and you are publishing the image somewhere, like on the Internet. work on) images that are either DSLR RAW images or FITS images, depending on the capture camera used. It is strongly recommended that you pre- and post-process (i.e. Common digital image file formats such as JPEG, TIFF, PNG, etc are also naturally supported. That is one impressive list of image file formats supported - pretty much every DSLR RAW image file format in existence as well as the industry-standard FITS, used by CCD cameras. Please feel free to ask questions or leave comments via the comments section on the bottom of this page. My other tutorials will assume much of the knowledge gained through this tutorial. I consider this tutorial essential reading if you are new or relatively new to PixInsight, and in particular if you are to follow my other tutorials. It is down-to-the-point and may also offer some insights to some of the more experienced users. This tutorial serves to bridge the gap that naturally exists when you first encounter the PixInsight interface. PixInsight offers a 45-day trial for anyone who is interested. Others complain about its price, but it is a realistic assessment that PixInsight can replace all other pre- and post-processing software in one piece, costing less total than Adobe Photoshop alone and Adobe Photoshop strictly by itself cannot perform everything you may need to perform. There are various features of it that easily prove its exemplary performance, though some people appear to be easily put off from its interface (most probably through its different nature compared to more familiar software such as Adobe Photoshop). PixInsight is arguably the de facto standard in high-end astrophotography pre- and post-processing software (applicable to deep space).
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