5. Improving the results
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" h+ v2 |7 U# q @4 G8 K5.1. The horizon of my panorama is curved instead of straight
) E V; R# q' O* i5.2. I get color/brightness differences between the images in my panorama, K. V7 y; u5 o( [) s1 x
5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?* G4 |# R6 K' i1 b" F, l* }
5.4. I see misalignments in the stitched panorama. What can I do to improve the result?
* [. e, X) B' L4 n) v {4 B0 l5.5. 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?7 _& n, c: |! F
6. How to...3 h/ D0 p7 t, z/ J) v3 n
! C W' R& M0 d6 N4 x6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama?
0 T$ K8 ^- A7 Q- |4 `2 T7 C" T6.2. How do I use the Horizontal line and Vertical line control points?
7 z7 L+ G8 f' [$ q# }6.3. How can I calibrate my lens parameters?
3 S0 d: S# [' N' `6.4. Does PTgui allow stitching of photos that have the camera in different locations?
( H' V! C1 n1 j9 S6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?
3 n) O8 c1 {1 C8 y6.6. 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# \6 A5 c. p3 N2 y
6.7. How can I have better control of the overlap area (i.e. the location of the seams)?
# e; n. c1 D9 o6 Y6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!
- P1 t$ O- C" V1 Q( w6 J) e6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?5 B( h9 @$ m/ }8 h, b
6.10. How can I change the default settings for new panoramas?
" }1 x$ @! ~& s6.11. How can I stitch extremely large panoramas?
! V' C* c* W; _' s- `& @6.12. How can I align a set of images, all taken in the same direction (not a panorama)?+ [2 e2 _! C: b9 f
6.13. How can I use exactly the same stitching settings for different sets of images?
7 r2 G7 K, C" V6 i9 b1 d6.14. How can I correct a single image for lens distortion?
0 V& v/ H9 Z8 R6.15. How can I show a panorama on my website? G1 M. }( T1 n# M
6.16. How can I publish a panorama to Facebook?4 ]. B* b4 \9 G0 ?
6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?
) R) i$ t* V' S. G# }6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?
! z G4 q2 X7 K8 L. Z6 U6.19. How do I level/straighten a panorama using horizontal / vertical line control points?
7 t/ x5 l9 b7 ~3 A7 p" m% T6.20. How can I correct a single image for vignetting in PTGui Pro?& G& o h9 ]! f$ y
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?
+ z% F2 ~1 W: j; R5 F, M* W1 K8 p6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?
) B( p# I' a: M# n6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?
$ `2 S& L3 V9 J$ I6.24. How can I tell PTGui to output panoramas at a specific size?/ {( \! d5 a+ b; O6 Q% ~
6.25. How can I defish a fisheye image in PTGui?/ c6 F1 i/ ~& C( ?" J
6.26. How can I extract a 'flat' image from a spherical panorama?: I$ d0 Y# u/ \- r. }
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?' m R$ z t8 c8 g: j) A# V
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?" Q5 C. v; A0 A. u1 K5 z" D
6.29. How can I view a finished panorama interactively on my computer?
& O% h: T5 Y8 c4 P6.30. 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?
! I+ m0 I @" B1 c6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?& O0 m f2 ?- _
6.32. How can I stitch a PTGui project from the command line?4 e* J( L; C* @' ^( s! g
6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?% l6 n1 W N7 R0 v
6.34. How can I display spherical panoramas on my iPad?) x8 O+ o! U, w$ `
6.35. How can I stitch panoramic video in PTGui?" H. V D& [& {9 _: c( e! S' x7 P% ~
6.36. Is there a way to stitch many panoramas using the same settings?) g6 E1 r7 F) Q. t
6.37. How can I make 'little planet' images in PTGui?
4 p$ _% Q8 \6 [3 T& |4 Q* R2 f6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?! ]+ e, W0 y6 @: O' ~
6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?7 p- c6 P# w1 P& U$ f1 N1 ^
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?0 c# T8 P5 S6 M, L1 t, N* w
6.41. How can I stitch two back-to-back circular fisheye images?
0 j) [# d" k+ G* D, k6.42. How can I retouch the nadir of a spherical panorama?
$ f6 a6 |4 Q* w/ m6.43. How can I stitch images taken with a 360° one shot camera in PTGui?7 e, ?$ d, x* T/ m y- j
6.44. How can I prevent PTGui from placing control points in certain areas?
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7. PTGui Pro and HDR
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' }$ ~" }$ x9 ~7.1. What is the best way to take images for HDR stitching in PTGui Pro?
& y2 Q. l4 C+ R# B8 C* u2 W7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?
4 ?; J) o# f b/ c8 q4 d7 @# L7.3. PTGui Pro doesn't recognize my bracketed exposures!* e5 |' `& ?& t& D
7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.. ?6 ?; @- g7 Y7 o5 B, D+ o9 O
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?! I- c" n. L3 ?3 r. P4 C
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?" D; ]1 l$ n N2 M# p* d0 \% o# e
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.
( f* }# P' I! h4 K7.8. What's the deal with linked images?) v2 M. H" P5 Z) {* v
7.9. Should I link my bracketed exposures or not?0 v+ q2 I9 g1 k- |) \& y
7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?" s8 l e! @& S4 \6 e6 b
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.
2 W( x, u% @/ t$ r7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?
3 p/ j% N7 h i; Y; Y( ?% { M7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?
5 P& I: s& i3 {2 `1 a7.14. 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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7 W# X6 _* T6 H& {7 k+ ~1 l( k8. GPU acceleration) G" w/ D& Y3 t( k) }
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8.1. Which GPUs are supported by PTGui?
3 j5 S- o# f, T3 L4 T1 c4 [8 \8.2. Which graphics card should I buy?8 }- `) j- R5 x- }. M( N
8.3. Does PTGui support using multiple GPUs?6 a$ ?( E, N5 g1 ]3 D9 Q
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