5. Improving the results
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' p* U! e# z) @6 W5.1. The horizon of my panorama is curved instead of straight
6 A7 z+ O1 V5 i* N" [0 X% F5.2. I get color/brightness differences between the images in my panorama& h5 }/ t2 O. v$ e! K" H
5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?. k% ]$ o" c4 m! S k! R# u7 U
5.4. I see misalignments in the stitched panorama. What can I do to improve the result?
4 I% \% W# P$ {/ D) p5.5. 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?$ b! U; A& j( R: l2 D& S8 I
6. How to...' ]- ^1 @( t& O" W
0 J# [6 E$ p# K3 ? n7 N$ ~3 X6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama? O) r0 x T4 W! e8 K5 J6 d+ _" X) a# @
6.2. How do I use the Horizontal line and Vertical line control points? - H3 ?% }' b* _3 K! a4 h
6.3. How can I calibrate my lens parameters?
: X) |: ?4 B9 t( M( a6 c' O6.4. Does PTgui allow stitching of photos that have the camera in different locations?
5 \2 `2 V/ S; g& M8 ?6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?
% H* k7 s3 n3 V# j* C6 S6.6. 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?6 C9 N" S/ O0 [5 q& r' N$ K/ Y
6.7. How can I have better control of the overlap area (i.e. the location of the seams)?
1 y" t6 a! N2 G; Y3 x6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!
, M/ J; E: `, D* F8 t" h4 D! @) P, q4 D2 i6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?- r5 E8 p+ x* K7 B# [& w2 H& O
6.10. How can I change the default settings for new panoramas?
5 F- J# M, c+ M# D" ~! Y" [6.11. How can I stitch extremely large panoramas?
, q8 k* ^# V- W0 y* e" g" y6.12. How can I align a set of images, all taken in the same direction (not a panorama)?
( C+ v m2 G" R) n6.13. How can I use exactly the same stitching settings for different sets of images?
. S' Z- B: n2 {; ]1 m$ \% ?7 n$ B8 f6.14. How can I correct a single image for lens distortion?
B+ m7 s1 k) {6.15. How can I show a panorama on my website?
8 Y D5 j; N- M) C* p6.16. How can I publish a panorama to Facebook?0 i3 E! s. T5 I" f! i
6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?
, j, S0 B2 T& s7 Z6 A, y" O) l' L6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?* V' w2 }$ [2 V( J/ u
6.19. How do I level/straighten a panorama using horizontal / vertical line control points?
9 U: r+ x, u) |5 `& Y. Q6.20. How can I correct a single image for vignetting in PTGui Pro?
+ n1 H7 [* y+ T( z2 x! V* Y7 |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?9 @& d( B( f' e' I; E2 X; `- R( y; ^
6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?0 ~7 {; s3 u P# ?- ^
6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?; s2 W, m2 N; ?5 [: m& ^- g5 n
6.24. How can I tell PTGui to output panoramas at a specific size?
# C2 P* ]9 ]* b: h3 F. M! \6 z. x3 {6.25. How can I defish a fisheye image in PTGui?5 V3 C% x5 [4 ~9 g) X- W
6.26. How can I extract a 'flat' image from a spherical panorama?
m! f& E* V0 ?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?
7 Z% _+ X. c0 _( \0 C6.28. 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?
; m8 L6 ?0 e" ~5 _% h6.29. How can I view a finished panorama interactively on my computer?8 Y7 z" ~% O, Q5 \
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?8 [9 n# C' p3 c8 T9 n% \
6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?) _; }* j6 K9 o6 g- \% L
6.32. How can I stitch a PTGui project from the command line?
( c, o) e* f) C; }) h$ Y E6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?$ H8 T0 j+ \; O3 a: b
6.34. How can I display spherical panoramas on my iPad?
/ U6 ]/ X1 ^0 x2 ~8 e) H6.35. How can I stitch panoramic video in PTGui?
& p: i3 [3 N% ~* H4 o% L6.36. Is there a way to stitch many panoramas using the same settings?7 B5 E! G! l! T, }2 K
6.37. How can I make 'little planet' images in PTGui?% y1 s7 F' Y# c( Z% m# z
6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?
( [' K' g0 y2 K" g6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?7 q- H1 _1 N4 a- [. z1 W
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?
1 }& _8 Q* `8 u+ ?$ y" J, H6.41. How can I stitch two back-to-back circular fisheye images?
% ?+ m7 _' A- r6.42. How can I retouch the nadir of a spherical panorama?5 G3 c6 `' m) c% H- y; `! X2 n% ?
6.43. How can I stitch images taken with a 360° one shot camera in PTGui?
+ ^; U$ Y- U0 { S `- {6.44. How can I prevent PTGui from placing control points in certain areas?4 h! l, m( Y% ^0 a% Z
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7 }: v$ ]& a% d3 r. B; l# h; R' V7. PTGui Pro and HDR8 `& S2 z9 O% }& }* n( R0 w
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7.1. What is the best way to take images for HDR stitching in PTGui Pro?
. I0 F# u! M, q: ]; O7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?
% z1 v- J7 o$ h3 ~, A% s" E7.3. PTGui Pro doesn't recognize my bracketed exposures!
t8 [- H0 P6 [3 \/ m& j+ R7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.) p' W2 x* p+ z# o0 r
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?* K: o) b$ m0 D' T
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?
. R5 l6 H6 `7 h$ \! s" l7.7. 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.
: C3 ]4 ^, }9 p2 S' @; x% t7.8. What's the deal with linked images? A) b! W X9 q2 j
7.9. Should I link my bracketed exposures or not?
; d. F7 h: S/ W$ B0 E7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?: x2 U( L( F0 M3 j
7.11. I would like to stitch my panorama in PTGui Pro, but use another application (e.g. Photomatix or Photoshop) to create the HDR.0 g: [2 [+ C1 E! j- e
7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?
! L- q( |8 R _& P( @' A9 C7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?
4 Y6 T( u) i" X7 h% G# ~& f7.14. I have read the previous answer but I still would like to stitch my pseudo bracketed images generated from RAW files!! w- ?0 E$ b, d- m# d
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8. GPU acceleration }8 B+ ?# a, F8 @
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8.1. Which GPUs are supported by PTGui?- S" \2 y' m/ y% v$ u: @' Q" l8 ~+ G
8.2. Which graphics card should I buy?
2 ?0 j1 `4 k9 v0 J( Z. R3 W* a) G7 R8.3. Does PTGui support using multiple GPUs?
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