1LINEFIND(1) HUGIN LINEFIND(1)
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6 linefind - Detect vertical features in images
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9 linefind [options] -o output.pto input.pto
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12 linefind is a detector for vertical features in images. It tries to
13 find vertical lines using the same algorithm as Calibrate_lens_gui and
14 assigns vertical control points to them. The detection runs on the
15 source images, if the input images are rectilinear images. In the other
16 cases (e. g. fisheye images) the input images are reprojected to an
17 equirectangular projection and the detection works on the reprojected
18 images. It uses the roll value, saved in the pto project file, to
19 determine what is "top" and "bottom". So before running linefind check
20 that your roll values are correct (E. g. when using images straight
21 from the camera, use a roll value of 0 for landscape and a value of 90
22 or 270 for portrait images. If your camera has an orientation sensor,
23 Hugin can detect this information automatically and sets the roll value
24 accordingly when adding such images into Hugin.
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27 -o|--output output.pto
28 Output Hugin PTO file. Default: '<filename>_line.pto'.
29 -l|--lines num
31 The maximum number of lines added per image (default: 5) Attention:
32 Keep in mind that more vertical control points will dominate the
33 optimisation in favour of "normal" control points.
34 -i|--image num
36 Image number(s) to process. Normally linefind tries to find
37 vertical lines in all images of the project file. If you want to
38 limit the detection to some selected images, you can use this
39 parameter. Can be used multiple times.
40 -h|--help
42 shows help
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45 Thomas Modes, line detection code based on calibrate_lens by Tim Nugent
46"Version: 2021.0.0" 2022-02-10 LINEFIND(1)