5. Improving the results
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5.1. The horizon of my panorama is curved instead of straight
& A9 F# `0 k) h! P6 B' d# x5.2. I get color/brightness differences between the images in my panorama
( q1 D2 G: c* n5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?$ y7 _8 o9 K0 O* x, Y2 P" _7 ]" g
5.4. I see misalignments in the stitched panorama. What can I do to improve the result?& B! x8 b! c, ^2 w: b. @9 p$ i: R# B
5.5. 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?
1 d2 `4 H7 ]( I- W6. How to...
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z: _6 t3 j8 | Z( e6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama?1 f( ]9 Q8 ^# p( ?4 w/ D$ a) K
6.2. How do I use the Horizontal line and Vertical line control points? 2 r R' [+ J+ K: u+ y8 c
6.3. How can I calibrate my lens parameters?
6 w% q4 I8 q) t* T9 w6.4. Does PTgui allow stitching of photos that have the camera in different locations?5 V2 R) U4 N0 z: n" Q- ] B% q% Y
6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?
: @( m0 f; a/ R# P4 X' V; B6.6. 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?- S% p" f4 N, j4 q
6.7. How can I have better control of the overlap area (i.e. the location of the seams)?
1 E2 @' C: e! u. S" ~, x6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!- Z1 D. L! n& U
6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?
0 i- M4 V. z; @# H6.10. How can I change the default settings for new panoramas?, R/ j# }6 K" z; ^' h- d4 _& f
6.11. How can I stitch extremely large panoramas?" N* }5 k# s' `7 [5 U
6.12. How can I align a set of images, all taken in the same direction (not a panorama)?) V& S" ?. O, y9 Z) i
6.13. How can I use exactly the same stitching settings for different sets of images?
g% A- p. H2 v, l6.14. How can I correct a single image for lens distortion?
+ x# A: T# C5 z! B/ z! w2 E6.15. How can I show a panorama on my website?
: K! b8 G! w. ~6.16. How can I publish a panorama to Facebook?! ~7 o# c; \( a7 U4 v- L1 H
6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?
3 t+ c- S* d( E9 c9 |5 e7 }' T6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?
1 h- B; w6 q* h @2 B6.19. How do I level/straighten a panorama using horizontal / vertical line control points?
0 L% N+ n9 t0 P0 a& |7 b2 N6.20. How can I correct a single image for vignetting in PTGui Pro?, @, B. L% y6 `2 Y2 A3 G7 `; w
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?5 w7 h1 w7 @; D/ t, |6 F
6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?) U) H* K5 w3 d- B M
6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?
`0 c% F9 y) R$ c% w) Y2 {* T7 _6.24. How can I tell PTGui to output panoramas at a specific size? r5 a9 O5 t% w2 f$ v* v
6.25. How can I defish a fisheye image in PTGui?& A' R l% W+ N- t* ^. P
6.26. How can I extract a 'flat' image from a spherical panorama?
0 d: S0 [9 ]4 I! B1 @4 j6.27. 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?
% \9 l! b' N, K) S5 i6.28. 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?
% `) w* V$ v. f) \/ K6.29. How can I view a finished panorama interactively on my computer?- T0 I5 ^7 ]2 N7 t& T7 l, b0 e
6.30. 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?
( q1 r4 n. ~! E X d6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?
7 S* v2 G, `4 }" |* I. E0 O& }6.32. How can I stitch a PTGui project from the command line?
. h9 P0 A% z2 G U9 D* f6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?
* z8 A8 T# o) X" y( B2 u6.34. How can I display spherical panoramas on my iPad?+ m# s9 t% F2 r4 g1 T+ j2 D) {5 R
6.35. How can I stitch panoramic video in PTGui?
) b- U" J# u6 ]9 y+ i" r; D/ s6.36. Is there a way to stitch many panoramas using the same settings?8 r M/ I" n/ S# X7 ~
6.37. How can I make 'little planet' images in PTGui?
) G) \. B3 q8 [( i6 h' E6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?
9 ~0 Q- \- h# Q/ G! N, I- n6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?" l( m, R4 i7 e: P( C3 c
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?
" @3 {& l. q E% z, K6.41. How can I stitch two back-to-back circular fisheye images?
3 `$ ]. R: N1 T1 ? s- N: L- G' y# l6.42. How can I retouch the nadir of a spherical panorama?
% {1 l4 D0 G- I P. a% K [6.43. How can I stitch images taken with a 360° one shot camera in PTGui?
2 U. o, z1 ] z6.44. How can I prevent PTGui from placing control points in certain areas?
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7 r# m+ h- ]2 M2 I/ v& f7. PTGui Pro and HDR
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$ i; d. [7 [; w1 u9 v5 }) k7.1. What is the best way to take images for HDR stitching in PTGui Pro?: ~2 C, ?3 E" x! X6 v5 U# g
7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?
- S. a p: S( u- d/ Y7.3. PTGui Pro doesn't recognize my bracketed exposures!& \7 u8 K2 c9 c; u
7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.
& r: _6 p9 C- h3 c7.5. 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?
4 F: z/ a( I: @4 Y7.6. Why should I use manual exposure mode? Isn't it much better to use automatic exposure, so that every image is optimally exposed?
: M: B- b6 w4 ~6 s9 b1 D, I! _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.% S' H+ f' Q. d
7.8. What's the deal with linked images?' q3 a" s- u$ g2 Q4 j$ p
7.9. Should I link my bracketed exposures or not?
, S6 @1 Y7 }( g/ U- E) Y7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?
I) W: p9 t& l2 o0 u' m7.11. I would like to stitch my panorama in PTGui Pro, but use another application (e.g. Photomatix or Photoshop) to create the HDR.
+ o6 H) a' d4 a9 e7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?. p* D+ r2 Y% _& J
7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?6 N4 l0 f' W+ r4 e) g5 p
7.14. I have read the previous answer but I still would like to stitch my pseudo bracketed images generated from RAW files!
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8. GPU acceleration8 Y4 c. K: f# m8 H
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8.1. Which GPUs are supported by PTGui?- E; `1 `: ?' O) T
8.2. Which graphics card should I buy?
* |' J. W6 A' n3 x3 h- P8.3. Does PTGui support using multiple GPUs?: p( C/ ]* E$ [/ t8 D" T
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