5. Improving the results
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* V! e4 n6 N1 R ^5.1. The horizon of my panorama is curved instead of straight
i7 r( ?, m# J: |4 F0 f/ w9 w5.2. I get color/brightness differences between the images in my panorama
+ J$ j" L% X) M' r, V0 ~1 E$ [( F+ x! n5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?9 w+ j8 M2 K" x3 g3 e
5.4. I see misalignments in the stitched panorama. What can I do to improve the result?
4 D; q0 \) P) U6 ~" J) O2 D* x, D5.5. 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 H% h/ ~' M2 _5 m4 {: G
6. How to...
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* Y) K- R Z. {; ^' h8 U5 u+ J6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama?' s7 {+ h; K! K% K* B
6.2. How do I use the Horizontal line and Vertical line control points?
& W, L" C8 L6 ?* `2 v6.3. How can I calibrate my lens parameters?
9 v m2 \( C/ A& L P: |$ M6.4. Does PTgui allow stitching of photos that have the camera in different locations?' \2 K+ B1 E' K0 r; O
6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?2 E* O! i6 K% r6 j! N
6.6. My panorama was taken with the camera tilted up or down. Now there's a lot of unnecessary black space above/below the panorama, increasing the size of the output. Can it be cropped away before stitching?
' A; }! i: d# h P0 K6.7. How can I have better control of the overlap area (i.e. the location of the seams)?% g4 n- X E# y
6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!' J8 T( D. c5 ?4 [- t9 u
6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?0 g& n$ T0 @6 l( _) y0 j
6.10. How can I change the default settings for new panoramas?
* R; e; `! d& q) g6.11. How can I stitch extremely large panoramas?* x8 b1 v' p9 m
6.12. How can I align a set of images, all taken in the same direction (not a panorama)?- S' ^4 o, c9 I7 ]3 X$ t M6 B) E
6.13. How can I use exactly the same stitching settings for different sets of images?
% X9 l/ r$ [* f1 |$ R7 }( W6.14. How can I correct a single image for lens distortion?% T L$ |. [3 u. ^7 y
6.15. How can I show a panorama on my website?
; C# U& u4 I) x" f6.16. How can I publish a panorama to Facebook?
1 O; r( @" ]% \) Q* }) N6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?
& _( A5 p* L% e/ A9 e8 H6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?
' o; f8 D' j& \0 N" o6.19. How do I level/straighten a panorama using horizontal / vertical line control points?4 h, p4 \+ @ Z8 ]6 W6 [2 o7 @4 I- _
6.20. How can I correct a single image for vignetting in PTGui Pro?# E3 I0 `* U J9 J
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?
; ^# R- S/ T# B' x8 T/ x! d* `6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?5 H$ s1 C6 l, c$ F$ k; i
6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?
' o% u' l* ?. r$ w1 m6.24. How can I tell PTGui to output panoramas at a specific size?2 f# p; F6 L4 w- h* o( X
6.25. How can I defish a fisheye image in PTGui?
( W' c& A4 G, d7 u* r! Z6.26. How can I extract a 'flat' image from a spherical panorama?
# Y0 H% {1 [8 Q% B6.27. 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?8 R- e: t6 Y0 _" a0 a+ i
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?
& `8 l( l& K3 f6.29. How can I view a finished panorama interactively on my computer?
% \1 ~4 _ S6 l' w, l# U6.30. 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?) X" |5 H9 b: m: G+ S9 r2 q
6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?
9 b1 q7 X/ J# r) L, y6.32. How can I stitch a PTGui project from the command line?* y( ? }- v3 s0 R' J. F1 e1 a) u
6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?" M1 Z) Q" n& t
6.34. How can I display spherical panoramas on my iPad?) K' p& J8 i2 f) t" ]
6.35. How can I stitch panoramic video in PTGui?% d* ?5 K2 Z# n( S$ q+ g
6.36. Is there a way to stitch many panoramas using the same settings?
) T- K H9 `/ K8 @' C u. j6.37. How can I make 'little planet' images in PTGui?! R- i6 B$ D$ M& w7 Z" \/ a; M- r
6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?
" p( y+ x; Q& w# x6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?
L/ ]! t, g) U; r6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?
6 Y2 l K: @ X" L6.41. How can I stitch two back-to-back circular fisheye images?+ X" ~1 G% i( y0 k
6.42. How can I retouch the nadir of a spherical panorama?
8 q. L) C- e2 R! K6.43. How can I stitch images taken with a 360° one shot camera in PTGui?
8 ]1 Q* y$ Z- k, k5 t# D6.44. How can I prevent PTGui from placing control points in certain areas?/ k5 p4 l: E, @" w
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7. PTGui Pro and HDR
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7.1. What is the best way to take images for HDR stitching in PTGui Pro?! t: k& ]( F" s9 J% N# M" A3 G" }
7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?0 O1 ]3 V" Z# v8 [
7.3. PTGui Pro doesn't recognize my bracketed exposures!
9 ]9 }3 y e1 @9 k' P7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.- a1 |1 e9 z h3 v+ e
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* @- p/ X9 n! ?6 B* T7.6. Why should I use manual exposure mode? Isn't it much better to use automatic exposure, so that every image is optimally exposed?
& x6 p& F+ u$ x+ J% A( m# ^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.
* e( G2 v1 X% S. h/ a; f; u7.8. What's the deal with linked images?
+ x. L2 h0 ^' }7 o( M! G7.9. Should I link my bracketed exposures or not?
9 N" B/ e, k) _, o! G7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?6 X7 B4 D3 o! I( k, Z* 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.
( V; o; r% y+ X0 M, C1 s9 N7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?
+ \9 z* X: T4 {5 t" R8 _4 y7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?
4 R r7 g# @$ D" j7.14. 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 acceleration
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8 X! T) Z/ g7 {) p3 c/ k1 n3 h8.1. Which GPUs are supported by PTGui?3 }! e5 F2 M5 X$ s" b
8.2. Which graphics card should I buy?
6 |& B6 f g9 j9 T8.3. Does PTGui support using multiple GPUs?0 H+ t" i" ?+ L% U$ Q J% }
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