GIMP stretches the quadrilateral outline to the image (or selection) rectangle, so if you want the result to be long and thin then you need a long and thin canvas. Hugin understands about lens parameters, so as long as you know these accurately, you can reproject without distortion - Bruno
On 19 March 2021 18:53:27 GMT, "[email protected]" <[email protected]> wrote: >A little follow-up on this a year later... > >A had a fairly distorted image that I tried to fix up using the >techniques >described here. You can see the results in the montage below. The first >is >the original photo; the second was produced with hugin 2020 (and >contrast >enhanced) and the third was produced with gimp. The hugin version is >much >superior to the one produced by gimp. I've had other photos that gimp >did a >fine job on, but not this one and I'm not sure why. >[image: montage.jpg] >On Thursday, 5 March 2020 at 02:11:52 UTC-5 [email protected] wrote: > >> >> >> On 4 March 2020 23:19:00 GMT, John Muccigrosso wrote: >> > >> >> But I don't use Hugin for this. I would open the photo in an image > >> editor, >> >> such as GIMP, and use the 'perspective tool'. >> >> If you are using GIMP, be sure to set the perspective tool to >> 'Corrective >> >> (Backward)', this way all you have to do is drag the four corners >of >> the >> >> selection to the four corners of the paper. >> > >> >Trying to replicate this in GIMP on a photo I have that was taken of >the >> >ground at a sharp angle. What exactly do you mean by "the >selection"? >> >> Gimp tools like the perspective tool operate on a rectangular area of >the >> image. If you have selected an area to work on (using the lasoo tool >or >> similar, surrounded by 'marching ants'), this rectangle fits the >> 'selection', otherwise the rectangle fits the whole layer or image. >> >> -- >> Bruno >> -- A list of frequently asked questions is available at: http://wiki.panotools.org/Hugin_FAQ --- You received this message because you are subscribed to the Google Groups "hugin and other free panoramic software" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/hugin-ptx/185DDDEF-F438-4DF9-9417-76EC8C7D6A7F%40postle.net.
