5. Improving the results" ~9 k' s, \7 |5 B- G; P# M
+ H. [+ Z! r2 {* Y0 q& Z5.1. The horizon of my panorama is curved instead of straight
- S$ N' f/ _+ }" Y: u' {3 p d5.2. I get color/brightness differences between the images in my panorama
# M# Q7 [ s, W7 S7 B! E6 X5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?) H+ Q, U7 q! Q
5.4. I see misalignments in the stitched panorama. What can I do to improve the result?
d$ G; i7 h& F1 b- h5 ~) Q5.5. Some control points in my project have a relatively high control point distance. Will the alignment of my panorama improve if I delete all control points with an error above a certain threshold?8 Y1 f5 b4 A# h1 A( V) x w- M
6. How to...6 u; F$ S, v: p8 b7 H! H+ U/ G* t+ {
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6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama? l) e6 [5 D4 {" \! A: U
6.2. How do I use the Horizontal line and Vertical line control points?
: t- |" L- }! `6.3. How can I calibrate my lens parameters?
9 Q5 F6 ?1 K" P1 b9 n6.4. Does PTgui allow stitching of photos that have the camera in different locations?
9 M# v4 h* M1 ~6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?
! e6 f7 K b( p1 W6.6. My panorama was taken with the camera tilted up or down. Now there's a lot of unnecessary black space above/below the panorama, increasing the size of the output. Can it be cropped away before stitching?
% O" R5 _1 f7 H, |$ W5 w2 D6.7. How can I have better control of the overlap area (i.e. the location of the seams)?
1 B7 N3 T0 [* c1 x6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!/ w% q7 X7 s+ Q
6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?/ W% ?2 m* K: E5 D D# L9 m5 ^6 t
6.10. How can I change the default settings for new panoramas?& e8 S' q7 {* \! f4 f
6.11. How can I stitch extremely large panoramas?( i$ S4 `% W4 A- s$ L, `( D& a3 q* V$ X
6.12. How can I align a set of images, all taken in the same direction (not a panorama)?& b. e6 Q! O1 K* T
6.13. How can I use exactly the same stitching settings for different sets of images? v J; _! B5 r! W3 Z
6.14. How can I correct a single image for lens distortion?6 O8 F/ p P& x
6.15. How can I show a panorama on my website?
* H0 V" Y7 I- t5 i2 }0 i% w. }6.16. How can I publish a panorama to Facebook?$ c7 w3 }6 `. q8 l0 `4 r
6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?( u( M9 ]) @! ?; Y/ J( \
6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?
& l% ~4 X, j( ^6.19. How do I level/straighten a panorama using horizontal / vertical line control points?
2 Q/ S# o# X6 b3 S1 P( m+ h1 O" D6.20. How can I correct a single image for vignetting in PTGui Pro?+ V( q/ t$ E& Q, _8 Y8 h/ Z
6.21. My spherical panorama still has a hole in the top and/or bottom. How do I fill the missing parts to make the panorama truly spherical?
. ~$ e- u7 P% K$ M: Q/ I6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?- r8 W: w# c" H# w, h
6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?: w* b+ l2 Q0 |- K$ f9 @6 T1 _' N
6.24. How can I tell PTGui to output panoramas at a specific size?
& E/ E2 T( n1 g: u9 S6.25. How can I defish a fisheye image in PTGui?
7 n; ?) b* P* f0 P0 L; n3 t% ?6.26. How can I extract a 'flat' image from a spherical panorama?* |/ B Y; L, `7 i) `/ o! C- J
6.27. I have taken multiple panoramas from the same viewpoint, to create a time lapse movie. How can I ensure that subsequent panoramas are aligned when played back in sequence?5 ~; j% }! P9 ]+ t7 s
6.28. My project contains one or more images without any recognizable detail and it's impossible to place control points. How can I stitch my panorama?
" E3 R; t1 X5 c6.29. How can I view a finished panorama interactively on my computer?
; H1 |3 N5 e- r& V6.30. I would like to send a panorama to a friend/client/... Is it possible to view a panorama interactively without needing to install a plugin first?
% H$ z5 _# X5 w, d/ _' o" Z6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?
( o( y% Y& @! d; r6 f; G7 J6.32. How can I stitch a PTGui project from the command line?
3 y `: A" w3 I6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?/ c, t) e4 r/ m, k' }# |0 u+ N
6.34. How can I display spherical panoramas on my iPad?
$ U5 S0 I! V- H, g6 ^4 c9 l6.35. How can I stitch panoramic video in PTGui?
0 w. v1 w1 W1 n* ?' I" u# \6 R2 G6.36. Is there a way to stitch many panoramas using the same settings?
2 N+ ~4 [( m) Y- ^) |2 V6.37. How can I make 'little planet' images in PTGui?8 d8 s5 ] k9 \! _7 [1 d2 m! E
6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?
1 t8 h1 q- a1 Q$ O6 S3 u' ~6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?
3 @ A5 w8 o# z$ G5 ~6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?
7 G' R$ c" o3 u& n6.41. How can I stitch two back-to-back circular fisheye images?6 ?" W; Z1 S" w7 _
6.42. How can I retouch the nadir of a spherical panorama?
/ X: g* y% n) g) {6 K6.43. How can I stitch images taken with a 360° one shot camera in PTGui?/ T+ S- D( I, z
6.44. How can I prevent PTGui from placing control points in certain areas?4 [4 F/ }5 E& }8 q6 B
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7. PTGui Pro and HDR! I+ S! y1 ]+ R1 \' e5 R8 ~
3 y. B+ U' h ^% K. Z7 A+ a7.1. What is the best way to take images for HDR stitching in PTGui Pro?
% o+ [, e# }7 k9 U4 D7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?9 c" ^6 K/ W, F7 ~
7.3. PTGui Pro doesn't recognize my bracketed exposures!4 s3 Z& E- ]5 M) R, E: B
7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.* [. r7 M. }- b
7.5. So I forgot to switch my camera to M mode; my bracketed images are taken in auto exposure mode. Can I still stitch them to HDR in PTGui Pro?% H# q* u# y: K' m8 i. Y" H' V+ M
7.6. Why should I use manual exposure mode? Isn't it much better to use automatic exposure, so that every image is optimally exposed?% C9 P: O2 K5 H* G- r, t- _
7.7. PTGui Pro displays the wrong EV values! My images were taken at -2, 0, +2. This is confirmed by the EXIF data but PTGui shows something else in the Image Parameters tab.; `! i0 g0 t: k6 c' I# Z, G9 O4 ^+ L% {
7.8. What's the deal with linked images?
, c1 G! a [1 K- j" p# w7.9. Should I link my bracketed exposures or not?
" G E" L4 b0 g# ?+ m7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?
$ s$ b4 }2 D" ^4 ^) R7 ]. e7.11. I would like to stitch my panorama in PTGui Pro, but use another application (e.g. Photomatix or Photoshop) to create the HDR.
9 L" [; f% e1 d4 h7 F7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?
5 H$ Z. q! C1 D" ^7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?
q6 m! @. j3 R" v Q7.14. I have read the previous answer but I still would like to stitch my pseudo bracketed images generated from RAW files!' ^; G$ i. D* h
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8. GPU acceleration
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8.1. Which GPUs are supported by PTGui?# a# ~7 N" \. I$ ^
8.2. Which graphics card should I buy?2 z; y' s3 I- g( m$ w- ~
8.3. Does PTGui support using multiple GPUs?
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