I don't think the file is bad or corrupted,
As Photoshop declares it is on what basis do you assume otherwise?
Has the file been transmitted via email?
Where did it originate?
The file is a map of global baythmetry, and it is written by the authors of the baythmetry files that are used in google earth. Therefore I assumed they knew what they were doing with file types. I am a new user of these programs, thereore, my first thought it that it was my use of the file not the file itself.
the file was downloaded from an ftp website, as a zipped folder, I extracted this on my computer.
I thought the file would not be curupted becuase it is the a map of the global baythmetry, and it is written by the authors of the baythmetry files that are used in google. So i am assumign its my application not their file.
Can your installation of Photoshop load other gdr files (the ones in the Presets/Gradients folder in the applications folder for example)?
If so your assumption might not seem well founded.
Anyway, are you sure the file is supposed to be a Photoshop gradient?
So I loaded the presets/gradients, sorry I am not sure where they should turn up when they are loaded though.
The next thing I did was try to load that actual file I want to load, using the same method to browse for the file, this crashed photoshop before I could browse for the file to load.
The file is a map of global baythmetry,
So is it supposed to be a map or a gradient?
Edit: It seems the extension .grd may be used for more than one type of file.
You are right about hte grd files, They are maps, (netCDF files) and I think they can be displayed in ArcGIS, I thought there could be a way to display them in photoshop or illustrator, and photoshop was the default program that tried to open them. After looking at them in a netCDF viewer, it looks like they are rasters [maybe] with, logditude, latitude, and height.
I have the same issue.