Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-24 Thread Gunter Königsmann
Floating-point numbers often add a small rounding error. Maybe the slightly negative number isn't a bug but such a thing... On Sun, 24 Feb 2019, 00:55 AKS-Gmail-IMAP, wrote: > I can comment on some of this. I am currently using the "method 3” to > create “contact sheet” images of 35mm photograph

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-23 Thread AKS-Gmail-IMAP
I can comment on some of this. I am currently using the "method 3” to create “contact sheet” images of 35mm photograph film rolls archived in style “35-7BXW” PrintFile archival negatives preservers. These are clear plastic negatives preserves holding seven rows of six 35mm image negative strips.

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-23 Thread T. Modes
Am Samstag, 23. Februar 2019 09:40:54 UTC+1 schrieb Bruno Postle: > > > >I only get the option to set these things if I select Custom on the > >geometric optimization pull down. Is that > >the place to set the vars to participate in optimization? > > Yes, I would set 'custom' geometric optim

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-23 Thread Bruno Postle
On 21 February 2019 14:10:41 CET, jim cullen wrote: > >I can't seem to make it fix the roll and pitch at zero successfully during >optimization. > >I'm setting the fast preview mode to Mosaic plane - is that proper? I ask >because the python script >stitch-scanned-images.py which one can f

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-21 Thread jim cullen
Hello, That all makes some sense. I can't seem to make it fix the roll and pitch at zero successfully during optimization. I'm setting the fast preview mode to Mosaic plane - is that proper? I ask because the python script stitch-scanned-images.py which one can find on github constructs a .

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-20 Thread Bruno Postle
On 19 February 2019 22:59:18 GMT, jim cullen wrote: > >I use Equirectangular and Mosaic. I crop to max so I can cut it down later >in gimp. I use center fit and level. Equirectangular output projection will result in some curved lines. The only projection that preserves straight lines is re

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-20 Thread bugbear
Frederic Da Vitoria wrote: 2019-02-20 9:55 UTC+01:00, bugbear : Frederic Da Vitoria wrote: I believe horizontal control points should only be used when assembling an actual landscape panorama, to mark the horizon itself. I never assembled flatbed or microscope images, but I did some mosaic mode

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-20 Thread Frederic Da Vitoria
2019-02-20 9:55 UTC+01:00, bugbear : > Frederic Da Vitoria wrote: >> I believe horizontal control points should only be used when assembling an >> actual landscape panorama, to mark the horizon itself. I never assembled >> flatbed or microscope images, but I did some mosaic mode stitches. My >> rem

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-20 Thread bugbear
Frederic Da Vitoria wrote: I believe horizontal control points should only be used when assembling an actual landscape panorama, to mark the horizon itself. I never assembled flatbed or microscope images, but I did some mosaic mode stitches. My remark could be wrong... I use horizontal and v

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-20 Thread David W. Jones
Fascinating. I'm guessing that whatever application/system produced the A1 drawings in the first place - or the data files - aren't available anymore? On 2/19/19 12:59 PM, jim cullen wrote: Hello - After vast amounts of work I think I have it pretty much working. Basic Approach: I take the 2

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-19 Thread Frederic Da Vitoria
Hello, Le mar. 19 févr. 2019 à 23:59, jim cullen a écrit : > > The size of the thing came out enormous (the physical size of the eventual > pdf) so had to scale that back. > You can change the size of the final image inside Hugin, of course. > I still have some places where lines don't match

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-19 Thread Marius Loots
Hello Jim and all the others, Wednesday, February 20, 2019, 12:59:18 AM, you wrote: > After vast amounts of work I think I have it pretty much working.  > Basic Approach: Your approach aligns (haha!) well with my workflow in stitching photos of microscopic slides. Although the origin is different

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-19 Thread jim cullen
Hello - After vast amounts of work I think I have it pretty much working. Basic Approach: I take the 24 scans comprising an A1 drawing and load them all. >From the assistant I align them all - it makes a mess due to repeated features in the drawing. I enable scans one at a time in the quick

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-15 Thread Bruno Postle
On 15 February 2019 22:40:45 GMT, jim cullen wrote: >Thanks for your suggestion. After slightly modifying the >sticth-scan... Python script I have an output.pto I can open in hugin >and add control points. I assume need remove points on repeated >features as well, optimize and stich. Yes, hop

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-15 Thread jim cullen
Hello Thanks for your suggestion. After slightly modifying the sticth-scan... Python script I have an output.pto I can open in hugin and add control points. I assume need remove points on repeated features as well, optimize and stich. Is that basically correct, and can I delete control points

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-15 Thread Gunter Königsmann
g...@github.com:mpetroff/stitch-scanned-images.git has worked for me in similar cases. Kind regards,    Gunter. -- 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

Re: [hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-15 Thread Bruno Postle
Any automated tool like this is going to fail some of the time, especially if your images have repetitive features. I'm not familiar with stitch-scanned-images, but I would expect that in addition to producing a stitched image, it would also provide a PTO project that you can open in Hugin to f

[hugin-ptx] Automatic stitch scans of engineering drawings hopeless?

2019-02-15 Thread jim cullen
Hello I'm trying to stitch 24 scans into a 2x3 foot drawing using stitch-scanned-images which is a python script on sf gethub.(Running hugin 2018.0.0 macosx) First row alone works well. First 2 of second row fine. Third scan row 2 has a couple of features with very much in common with second