<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false">Hello, I am a beginner to gdal and I am working with .ntf, .NTF file formats.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I am trying to convert this one .NTF file (unfortunately I cannot share the file) to a .png, so I can easily open it up and use it for a future processing. This particular .NTF file is 1.39 GB.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Right now I am working on a mac, in the terminal. I am using conda and have set up a (gdal_project) environment. I have downloaded all the necessary gdal packages and libraries by running <span><span style="color: rgb(51, 51, 51); font-family: Consolas, "Liberation Mono", Courier, monospace; font-size: 16px; background-color: rgb(238, 239, 240);">conda install -c conda-forge gdal</span></span> in the terminal.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I tried running <font color="#333333" face="Consolas, Liberation Mono, Courier, monospace"><span style="background-color: rgb(238, 239, 240);">for f in *.NTF do gdal_translate ${f} pngs/${f%.*}.png; done <br></span></font> in the terminal for the NTF file I mentioned above (it was the only one in the folder I was looping through). However, even though it creates a png, all I see is a large png that does not show the image, but is completely black.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Please let me know where I am going wrong. Is there something I am missing or should be doing that I am currently not? Is there a solution to my problem?</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div></div></body></html>