5. Improving the results
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5.1. The horizon of my panorama is curved instead of straight" T$ [8 K0 |1 J
5.2. I get color/brightness differences between the images in my panorama
: a& T; V+ R$ b" u! g) a5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?+ I& c/ K2 f& S S
5.4. I see misalignments in the stitched panorama. What can I do to improve the result?
! q0 x' l9 B. A7 I7 Q( I5.5. 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?( O, z; x/ ^2 H6 L
6. How to...! c" Y V' R) V. {7 y: }" Z
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6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama?
- b# X+ T7 @# T) \) t2 X! Q6.2. How do I use the Horizontal line and Vertical line control points?
, k _! Z( x/ B; ?# j3 E6 I% I' }6.3. How can I calibrate my lens parameters?
2 [7 F. g9 U7 w& L6.4. Does PTgui allow stitching of photos that have the camera in different locations?
3 {4 W6 W* V1 J2 Y+ m6 l6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?$ B6 q; A9 }% d) E3 W/ V
6.6. 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?
$ C. X. O0 [% @ G6.7. How can I have better control of the overlap area (i.e. the location of the seams)?) f4 _5 ?9 I6 ]/ X8 g
6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!3 }4 J& H/ R& i, }8 v
6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?
# U0 B% K) i% o u6.10. How can I change the default settings for new panoramas?
* d7 j. k+ v( }9 @& D3 E6.11. How can I stitch extremely large panoramas?8 I i. T; A |: E4 U1 V
6.12. How can I align a set of images, all taken in the same direction (not a panorama)?
0 l& A* H/ H- h2 B! f6.13. How can I use exactly the same stitching settings for different sets of images?: u8 K, Y0 Z8 D& F1 E
6.14. How can I correct a single image for lens distortion?
0 c9 C. J q; f Z. z6.15. How can I show a panorama on my website?
3 H- ~- u) b6 h0 ? [/ l0 L6.16. How can I publish a panorama to Facebook?1 k; x6 s x$ W0 R/ k
6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?
) [1 v, D! V7 L) x: [6 m6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?& l+ W7 T( x [: C x( @
6.19. How do I level/straighten a panorama using horizontal / vertical line control points?
) w3 ~7 }. m; Y# D% b. @9 W6.20. How can I correct a single image for vignetting in PTGui Pro?! z* k9 V' J/ X7 U% |" M2 e
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?
# V! D- z* ^& n0 H. w) i% b$ t6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?" U) z0 i4 A3 T1 r
6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?
+ D2 Q8 A, ~/ O' V6.24. How can I tell PTGui to output panoramas at a specific size?
4 v! x! L. R+ Q! s# o6.25. How can I defish a fisheye image in PTGui?
# }% m# C0 b% L0 N# W4 i. R' D) ]6.26. How can I extract a 'flat' image from a spherical panorama?
3 I' g' L5 _. d, Z$ Y+ c2 r6.27. 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?, g5 r" P& x, w. z- @5 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?: a' @8 H$ S5 z& w
6.29. How can I view a finished panorama interactively on my computer?
! A) @+ J7 x. l! B; k6.30. 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?
9 x3 t- h! B9 e' t% Z0 _) d6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?: g& x1 _) q* {
6.32. How can I stitch a PTGui project from the command line?0 f+ ^9 Z; i0 O& D
6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?
/ s+ Q3 w( ~' R+ O6.34. How can I display spherical panoramas on my iPad?
7 m( c7 a. T8 f( a6.35. How can I stitch panoramic video in PTGui?
* N/ J8 r6 b) `1 y2 p6.36. Is there a way to stitch many panoramas using the same settings?
& u- J$ O: n/ ~) f7 I6.37. How can I make 'little planet' images in PTGui?
/ G7 m2 r' _* A6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?
* V% j5 R" z& g4 X4 J0 v' J- R) s6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?4 m' D8 o- I& {+ n1 ~% P, q. h
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?# M# A: V! p, p& N- R
6.41. How can I stitch two back-to-back circular fisheye images?* U' W3 I3 s; L
6.42. How can I retouch the nadir of a spherical panorama?$ U# H* v* w5 S& K
6.43. How can I stitch images taken with a 360° one shot camera in PTGui?" Q# t" Y# e7 ?; ?2 e* z
6.44. How can I prevent PTGui from placing control points in certain areas?# n3 b1 k t8 f, }
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7. PTGui Pro and HDR
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: V0 S; e& F$ i, @ N: n& J7.1. What is the best way to take images for HDR stitching in PTGui Pro?1 l* q$ l, g% E" \
7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?, N7 T% f6 t+ V3 O
7.3. PTGui Pro doesn't recognize my bracketed exposures!
: u6 x& G, A' a. U4 h* {$ z: ]7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.
# E% f/ S. M$ X7.5. 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?
9 x \2 i6 J+ M/ X& e9 ^! f7 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? P H' Q" I$ 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.
. a, M) T; C+ w; [7.8. What's the deal with linked images?8 @: G% m2 L9 e& s" i; }2 F
7.9. Should I link my bracketed exposures or not?
$ {! P2 z. r' T! q8 q7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?7 y& v p, z( A9 ?' M" a9 ^
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.7 C- t! W' ^* j: @8 k
7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?+ l( ?! ]. r+ }' E/ i8 X
7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?
# j% E9 M5 m$ {: {7.14. I have read the previous answer but I still would like to stitch my pseudo bracketed images generated from RAW files!2 E8 g+ g# V1 @' n$ G. d! W
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8. GPU acceleration
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8.1. Which GPUs are supported by PTGui?
|/ Z8 A) R! q4 J9 G8.2. Which graphics card should I buy?
; J% M. F5 Y+ {3 I- K7 `$ f8.3. Does PTGui support using multiple GPUs?. d. a9 f+ I) g; m' ~
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