The ovr is "just" a tiff with several "pages" (I do not know the exact name). Like in the old times, using a scanner to scan several pages of a document. (actually, there are some image viewers that show you this opening a tiff with embedded overlays: several pages) You can create that with gdal. Unfortunately I forgot the details.
On Wed, 15 Jan 2025 at 10:12, Pradeep Mahato via gdal-dev < gdal-dev@lists.osgeo.org> wrote: > Hi, > The problem i am facing is related to generating the overview(Pyramid) > layer. GDAl has BuildOverview() function to build the pyramid layer and > save it as a file with ".ovr" extension. The BuildOverview() funstion takes > raster file as input and generate the layer. > > As per project design application is generating these pyramid layer. my > requirement is that is any function is available in gdal where i can pass > there multiple layers of pyramid and the function provides me a single > ".ovr" file. > > > ----- Original Message ----- > From: gdal-dev@lists.osgeo.org > To: gdal-dev@lists.osgeo.org > Sent: Friday, November 8, 2024 6:38:14 PM > Subject: Re: [gdal-dev] GPU support for GDAL > > Pradeep Mahato via gdal-dev <gdal-dev@lists.osgeo.org> writes: > > > In second approach i am facing issue in stacking and making it as one > > ".ovr" file. So Pls help me in this regard. > > If you are going to ask for help, you should have your goals and > software design in writing, and publish them. Before doing that, you > should have it reviewed by others in your organization. Your message > comes across as "I did something (but I'm not actually explaining what I > did), and I didn't get what I wanted (but I'm not telling you what I > wanted), so please do this for me". Overall, it sounds like you need a > consultant. > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/gdal-dev > -- > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/gdal-dev >
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