5. Improving the results
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+ k2 ^( i- `; F. q5.1. The horizon of my panorama is curved instead of straight
4 u1 k' x4 g+ O& v) ]# @' c5.2. I get color/brightness differences between the images in my panorama
' X; ~/ ^( K6 h5 J5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?
: j+ p. q2 `# d5.4. I see misalignments in the stitched panorama. What can I do to improve the result?
" \5 w# g3 K3 ?5 a5.5. 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?. b5 o3 F# l; e* U% t* Y' M
6. How to...! f! P8 S% \4 s V, M$ G
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6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama?
, |" h; K9 |! n- j6.2. How do I use the Horizontal line and Vertical line control points? * P$ U5 e7 P0 M# K! u, w5 Q
6.3. How can I calibrate my lens parameters?
( ^' @' P) F- f! n: R5 Y6.4. Does PTgui allow stitching of photos that have the camera in different locations?6 e* u+ r7 Y- L; w
6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?5 T) z! `: `( v2 @9 a; ~8 Z
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?
9 v E; x; Z% \6.7. How can I have better control of the overlap area (i.e. the location of the seams)?: n) g" L3 ]+ T' d: i
6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!9 X& |+ Q3 i1 ]
6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?
: ?6 O# P4 {# @/ }$ L( M6.10. How can I change the default settings for new panoramas?# W: R* r: ^0 a
6.11. How can I stitch extremely large panoramas?
) m" A/ {" d( V& R( B/ c. T6.12. How can I align a set of images, all taken in the same direction (not a panorama)?
@2 [3 W- Y, R, k6.13. How can I use exactly the same stitching settings for different sets of images?
/ A e8 [2 [+ v" q8 Z5 P% l" S6.14. How can I correct a single image for lens distortion?
( K/ {$ A9 i: `% a, J4 v9 D0 i6.15. How can I show a panorama on my website?9 D4 f$ L% d3 g( a9 U6 n M: m' F
6.16. How can I publish a panorama to Facebook?+ F- \+ G2 ?7 J% R
6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?
7 z l" b% n- h- @6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?4 u# H4 r+ ]& E" Y- f
6.19. How do I level/straighten a panorama using horizontal / vertical line control points?3 @1 F8 z2 `' m: u ?
6.20. How can I correct a single image for vignetting in PTGui Pro?5 E5 R: C% M7 _* Y) M
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?
3 M& D* |0 ]6 }6 u& A7 o6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?
9 X+ l% J1 G- w+ Z% L; c3 ?" E6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?5 o. l' U7 @( D, U2 M
6.24. How can I tell PTGui to output panoramas at a specific size?4 d' j* M5 t1 ~6 J. k; ^" J1 y
6.25. How can I defish a fisheye image in PTGui?
$ _; U3 S& x1 H o( w0 a6.26. How can I extract a 'flat' image from a spherical panorama?
$ Y) H' p5 \8 J4 o2 n8 y: s$ ]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?2 x: t+ D7 v& H! h3 i; 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?' t s0 J$ F( h' c
6.29. How can I view a finished panorama interactively on my computer?9 `; O2 b3 k$ K
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?
( j* H) e2 q" C" W7 i6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?/ h$ m, w, a1 x5 }7 s6 V" @# J
6.32. How can I stitch a PTGui project from the command line?
7 `9 N6 Z2 h3 T7 c8 ?- P6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?! b' H1 c( k9 U# _+ r
6.34. How can I display spherical panoramas on my iPad?
5 I: y0 @7 ]# p6 n; b: O; s6.35. How can I stitch panoramic video in PTGui?$ C* f9 c9 V4 \
6.36. Is there a way to stitch many panoramas using the same settings?1 K; k8 g& w/ S- l1 l# u
6.37. How can I make 'little planet' images in PTGui?
0 e0 V5 e0 f9 i6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?2 y5 p1 d M& j% A! Z _( d
6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?% X9 }6 d, U/ _. x+ ]
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?6 e7 `) v9 ?5 _7 k6 t3 I# e
6.41. How can I stitch two back-to-back circular fisheye images? q6 N! ^9 Z$ }5 d2 k& ^
6.42. How can I retouch the nadir of a spherical panorama?# e% W. ?0 G) N4 U8 u2 w+ N
6.43. How can I stitch images taken with a 360° one shot camera in PTGui?; f( M( V: ?/ D7 J$ p
6.44. How can I prevent PTGui from placing control points in certain areas?
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4 Z* w, G; W+ s3 E! A- H" W7. PTGui Pro and HDR
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7.1. What is the best way to take images for HDR stitching in PTGui Pro?8 Z. ]2 y2 v) O& l# C* a3 a5 p
7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?
" d; @) E7 Q# [, R) D* j( s! W7.3. PTGui Pro doesn't recognize my bracketed exposures!
& Q( z h. v& q0 M6 t7 @3 S7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.
1 ^- h4 \4 |" n6 b7.5. 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?% s- u* t! {. {4 Z% A P4 f
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?: l# f, k/ |6 o: i
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.1 u) }, z* W+ L+ [5 I
7.8. What's the deal with linked images?
# l. K# W8 G0 A1 m+ U# i! j8 z7.9. Should I link my bracketed exposures or not?, g- ^3 k3 M& n3 t; r
7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?) l! o; Y! ^" N/ g' n3 ?! ~+ 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.
- H6 ]( r) D( P$ J7 O7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?
' `% ?/ m' _: q. e) o7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?
! J! i1 x1 ~2 O% o' v r/ M+ l7.14. 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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8.1. Which GPUs are supported by PTGui?
; Q, y% v$ A4 i9 c$ v2 a$ O5 H+ G% Q p6 G8.2. Which graphics card should I buy?5 S' ?8 ^% p+ y6 N5 Q% h
8.3. Does PTGui support using multiple GPUs?/ h1 K1 m: _- `
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