5. Improving the results
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5.1. The horizon of my panorama is curved instead of straight$ u% |% U. z+ v% k7 l, r" O3 u
5.2. I get color/brightness differences between the images in my panorama
+ H) B6 t" c8 B- c5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?- F; G e& Q S% O
5.4. I see misalignments in the stitched panorama. What can I do to improve the result?& j% h/ ^% d2 h8 \+ o
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?/ a" ^4 s9 e7 v% e7 }
6. How to...$ t2 R4 I) g1 @2 H% @; G" E
1 W' O$ l# s$ ]5 F0 `6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama?: B3 b. f3 {* X; I4 R% T; j5 |* C$ a
6.2. How do I use the Horizontal line and Vertical line control points?
6 h9 }6 _' ~8 _6.3. How can I calibrate my lens parameters?8 m8 w. _& c( {- v# A u y+ j
6.4. Does PTgui allow stitching of photos that have the camera in different locations?
, u( J2 k" m o% r7 ~, U) J+ x* n6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?( F8 h0 {5 U1 {! j8 r0 r3 l% j) X
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?
5 j8 e- x b( f8 e5 G# ~: C6.7. How can I have better control of the overlap area (i.e. the location of the seams)?2 O# D: T' f2 t& o4 U4 Z
6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!% c' {* O0 [7 J2 m; h7 }+ f
6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?; L9 Y! Y( `# e" d- v2 D2 Z
6.10. How can I change the default settings for new panoramas?
4 }* p* L% b3 g7 n( A. f/ ^1 `6.11. How can I stitch extremely large panoramas?. Y4 l& u7 g: d3 t9 z4 `: {% q
6.12. How can I align a set of images, all taken in the same direction (not a panorama)?* B( D/ U9 T4 }4 O0 q" R. t) L
6.13. How can I use exactly the same stitching settings for different sets of images?
9 D; a& O* F0 A5 f+ l6.14. How can I correct a single image for lens distortion?
4 ]. y6 ]5 Z8 `& S7 n6.15. How can I show a panorama on my website?0 j1 c& k# X2 M9 `
6.16. How can I publish a panorama to Facebook?
) g' |; R% g) f4 N' Y6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?/ Z$ g2 ~# u$ o$ E/ i* {
6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?
; i' D# p6 P5 Q! }6.19. How do I level/straighten a panorama using horizontal / vertical line control points?
: R" T) h$ g/ u, a* E6.20. How can I correct a single image for vignetting in PTGui Pro?1 I5 |+ {+ p3 k/ W6 v
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?- L1 K6 J8 o* ^% L
6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?
' q6 w/ _: C5 o/ [( t6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?8 f) {0 a) N+ W2 u
6.24. How can I tell PTGui to output panoramas at a specific size?, B* ^/ ]- a' ~3 l" [) j- H* l/ G
6.25. How can I defish a fisheye image in PTGui?! U, G f7 D _) @. Y5 A! u3 K+ h! W
6.26. How can I extract a 'flat' image from a spherical panorama?6 O, H+ u F) \# c6 l& [+ r3 N* {
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?
1 n! t5 l6 v0 l8 u3 f3 p6.28. 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?- ^5 j2 Z+ C3 k) @# x2 h- u
6.29. How can I view a finished panorama interactively on my computer?
: b" ^7 f; r+ F* c( O# \, }/ b$ i7 w6.30. 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?
* }$ J0 S# ~1 [0 K; w1 h' N6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?
0 r; P% T6 l" L( e" ^& b- _6.32. How can I stitch a PTGui project from the command line?3 y2 `! l3 f* C! X6 K8 F5 T
6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?6 a v% O# x7 f$ J% o/ e( a
6.34. How can I display spherical panoramas on my iPad?* ?0 H4 B1 D _7 |" |
6.35. How can I stitch panoramic video in PTGui?: T: P" E7 ?* k0 Z' |+ ?5 ?7 y) q
6.36. Is there a way to stitch many panoramas using the same settings?
- E* ^$ J r+ B6.37. How can I make 'little planet' images in PTGui?3 e$ e3 N5 @5 P% E( V! q5 L& t
6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?6 w8 n) Z; j( O
6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?5 y+ |7 n+ _! N/ v3 J8 V+ w! X
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?8 Y' m; X. [/ M* c9 X% V! C% g" i
6.41. How can I stitch two back-to-back circular fisheye images? b0 ]8 c; Z0 [/ }; r$ ^: d
6.42. How can I retouch the nadir of a spherical panorama?
1 W& }/ C: K0 U- X' B. d5 m: l6.43. How can I stitch images taken with a 360° one shot camera in PTGui?
4 f/ `! a0 _ u) H- ~6.44. How can I prevent PTGui from placing control points in certain areas? e6 I @' M' T. M5 U& K7 o$ B
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9 z- |( z4 V; O Z) x7. PTGui Pro and HDR
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7.1. What is the best way to take images for HDR stitching in PTGui Pro?
; W. T8 x' {* @% B- l7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?
$ ~2 z$ H/ y% B& k7 Y7.3. PTGui Pro doesn't recognize my bracketed exposures!4 r$ q( H, W$ Q$ c
7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.. _5 \! W, _* P
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?
4 F7 Q! q6 @+ \" q& J+ z5 R7.6. Why should I use manual exposure mode? Isn't it much better to use automatic exposure, so that every image is optimally exposed?
- C% [3 A8 ?# t! a0 B6 `# N' K. w7.7. 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.
5 u- L7 N2 R0 k8 y8 r7.8. What's the deal with linked images?
! H7 m6 B, ?$ ~1 |3 D7.9. Should I link my bracketed exposures or not?7 |( U% N/ p. x3 x" E
7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?# i1 A. W3 y* L) u5 ?) S
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.
' s' G* l" c. ~) g# m7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?6 q: Q. L0 A, n% p* u5 z
7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?7 `+ l& E/ x4 b. h' R8 }
7.14. I have read the previous answer but I still would like to stitch my pseudo bracketed images generated from RAW files!6 \7 m6 a2 V6 D' c$ G1 u0 [: W
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. G# b1 a; w7 W8. GPU acceleration
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$ n2 x! M# B6 L0 _3 ?# \: z0 ^8.1. Which GPUs are supported by PTGui?2 Y% A$ \% h3 h2 n
8.2. Which graphics card should I buy? i J% r0 r- x6 S! \8 j5 \9 Q
8.3. Does PTGui support using multiple GPUs?& v4 b" b- Z2 p# T' @9 r4 R. H
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