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HDR pano with PTGui and we fix the nadir Level Panorama.

PTGui will rotate and move the panorama in such a way that the horizontal / vertical line control points are aligned as Hasleo Data Recovery 5.8 + Crack [Latest Version] Free Download 2021 as possible. This is similar to dragging the panorama in the Panorama Editor in 'Panorama Edit' mode: since the panorama is moved as a whole, the alignment of individual images is not affected. Or:
 
  • Use the optimizer by pressing the 'Optimizer' or 'Run optimizer' buttons.

    If the optimizer tab is in Simple mode (this is the default setting), or if in Advanced mode with 'Level in second pass' selected: PTGui will do a two stage optimization. First the images are aligned as usual based on the normal control points. The horizontal / vertical line control points are ignored in this step. In the second pass the optimizer levels the panorama as described above, using only the horizontal / vertical line control points. In other words, horizontal / vertical line control points are only used for levelling, and only the regular control points are used for aligning the images.

    If the optimizer tab is set to Advanced mode and 'Include in single pass' is selected, everything is optimized in one pass. Now the horizontal / vertical line control points will be used to optimize image alignment too. This can be useful in particular for straightening a single image based on horizontal and vertical features, but is not recommended for leveling panoramas. When 'Include in single pass' is selected, it is necessary to give the optimizer sufficient freedom by allowing it to modify the pitch and roll of all images (i.e. the pitch and roll checkboxes for all images should be checked). With 'Level in second pass', or with the optimizer in Simple mode this is not needed.
  • Be sure to watch part #8 of our Video Tutorialseries.

    How can I correct a single image for vignetting in PTGui Pro?

    First you need to determine the vignetting of your lens. To do so, PTGui Pro 11.18 free download Archives, take a small panorama (e.g. 3 images, each overlapping about 50%). The amount of vignetting depends on the aperture of the lens so this should be done for each aperture at which you intend to do vignetting correction, PTGui Pro 11.18 free download Archives. In this calibration project, go to the HDR/Exposure tab and press Optimize Now. Press the Save buttons below the vignetting curve and the camera response curve to save the curves to a file.

    The actual vignetting correction can be done as follows:
    • Start a new PTGui Project
    • Load your source image. Note the lens projection that is chosen by PTGui (e.g. Rectilinear)
    • Switch to Advanced mode
    • Go Macdrive Serial Archives the HDR/Exposure tab and load the previously saved vignetting curve and camera curve.
    • Go to the Panorama Editor. Set the panorama projection identical to the lens projection (e.g. Rectilinear or Fisheye).
    • Press the Fit Panorama button
    • Choose the desired output format and press Create Panorama. PTGui may complain about missing control points; you can ignore this warning.
    You can save the thus created project to a file and use it as a template for subsequent corrections: you will only need to start a new project, load the next source image and choose Apply Template.

    It's possible to combine this process with barrel distortion correction, see Q

    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?

    PTGui does not require your photos to be limited to a single row. To fill the missing parts just take additional PTGui Pro 11.18 free download Archives with the camera pointing upwards ('zenith') and downwards ('nadir') photos. As always you should make sure to rotate the camera around the 'no parallax point' (see Q). This is PTGui Pro 11.18 free download Archives more important when shooting the nadir and zenith photos.

    Start a new PTGui project and load all your images, including the nadir and zenith photos, before pressing Align Images. The order of the photos is not important, PTGui should be able to figure out which image belongs where in the panorama.

    Sometimes PTGui is unable to find control points, and this may happen in particular with nadir and zenith images (for example if the zenith image contains mostly blue sky). In that case you will see a warning 'PTGui was unable to find control points for one or more images' in the Project Assistant. If this happens see Q

    After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?

    If you did not include a zenith and nadir image (with the camera pointed upwards and downwards, respectively) the top and bottom of the spherical panorama are not covered by images, resulting in black circular holes at the top and bottom. To hide these holes you can limit the vertical viewing angle by setting a minimum and maximum tilt angle in the Publish to Website window.

    • Go to the Panorama Editor window by pressing Ctrl+E (Windows) or Command+E (Mac)
    • Move the vertical slider at the right hand side until there is no more empty space at the top and bottom
    • Look at the status bar at the bottom of the panorama editor: it should show something like: ° x ° Equirectangular. Remember the second value (°); this is the vertical field of view of the panorama.
    • Open to the Publish to Website dialog
    • Divide the vertical field of view by 2 and set the Minimum Tilt value to minus this value, and Maximum Tilt to the positive value. In this example the values would be and Then press OK.
    This will limit the amount in which the viewer can look up and down so that the black borders remain unvisible.

    PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?

    Cropping can be done in two ways:
    • Use the two sliders in the Panorama Editor to adjust the field of view. Moving the sliders upwards/leftwards reduces the field of view, effectively cropping the edges from the panorama. This kind of cropping is symmetrical: the same amount is cropped from both sides of the panorama.
    • Alternatively, yellow crop lines can be dragged from the edges of the panorama in the Panorama Editor. See the Video Tutorial. The crop lines can be placed anywhere so this method is not restricted to symmetrical cropping.

    How can I tell PTGui to output panoramas at a specific size?

    First, in the Project Settings tab (PTGui Pro only): disable the checkboxes 'Fit panorama' and 'Choose a suitable projection'. Then go to the Panorama Editor and choose the desired panorama projection and field of view in the Projection sidebar. Finally, in the Create Panorama tab enter the desired output dimensions and select 'fix at % of optimum size'.

    These settings can be re-used by saving this as a template using File -> Save As Template.

    How can I defish a fisheye image in PTGui?

    A fisheye lens distorts images such that straight lines become curved. Removing this distortion is typically called 'defishing'. Please note that it is not necessary to PTGui Pro 11.18 free download Archives images prior to stitching, PTGui can perfectly handle fisheye source images.

    Defishing is done by converting from fisheye projection to rectilinear ('flat') projection. A single image can be defished in PTGui as follows:
    • Start a new PTGui project
    • Add the fisheye image using the Load Images button
    • Open to the Panorama Editor window by pressing Ctrl+E (Windows) or Cmd+E (Mac)
    • Switch to rectilinear panorama projection by clicking the 'rectilinear projection' button in the Panorama Editor's toolbar
    • Adjust the sliders until you get the desired field of view. The image can be dragged around in the Panorama Editor to modify its perspective. Asymmetric cropping is possible by dragging yellow crop lines from the edges of the panorama in the Panorama Editor.
    • In the PTGui main window go to the side bar and click on 'Advanced'. This will make the Create Panorama tab visible.
    • Go to the Create Panorama tab. Choose the desired size and file format and press Create Panorama to render the image.
    Please note that it's typically impossible to keep the entire image. Fisheye lenses usually have a field of view of degrees while rectilinear projection is limited to around degrees. Attempting to get a wider view will result in extreme stretching of the corners of the image. In fact it is the fisheye distortion which allows a fisheye lens to have its wide field of view.

    How can I extract a 'flat' image from a spherical panorama?

    This is done by converting the panorama to rectilinear projection. The process is nearly identical to defishing (see previous question) and the same limitations apply.

    Assuming your panorama is a x degree equirectangular image, proceed as follows:
    • Start a new PTGui project
    • Add the panorama image using the Load Images button
    • Open to PTGui Pro 11.18 free download Archives Panorama Editor window by pressing Ctrl+E (Windows) or Cmd+E (Mac)
    • Switch to rectilinear panorama projection by clicking the 'rectilinear projection' button in the Panorama Editor's toolbar
    • Adjust the sliders until you get the desired field of view. The image can be dragged around in the Panorama Editor to modify its perspective. Asymmetric cropping is possible by dragging yellow crop lines from the edges of the panorama in the Panorama Editor.
    • In the PTGui main window go to the side bar and click on 'Advanced'. This will make the Create Panorama tab visible.
    • Go to the Create Panorama PasswordsPro 2.4.4.1 crack serial keygen. Choose the desired size and file format and press Create Panorama to render the image.
    Again, flat projections are limited to about degrees field of view; it's impossible to display an entire degree panorama in rectilinear projection, PTGui Pro 11.18 free download Archives.

    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?

    By default, for spherical panoramas PTGui will pick a random point on the horizon as the center point. If the first image of all your panoramas was taken in exactly the same direction, you can use the following method:
    • Set up and align the first panorama in PTGui. In the side bar click on Advanced
    • Go to the Image Parameters tab and write down the Yaw, Pitch and Roll values of the first image.
      For every subsequent panorama:
    • Click on Advanced and go to the Image Parameters tab
    • Enter the above Yaw, Pitch and Roll values for the first image
    • Go to the Optimizer tab and set 'Anchor Image: Image 1'
    • Press the Run Optimizer button
    Now the panorama is aligned around the same point in the first image.

    Or, if all panoramas were taken from the same viewpoint but not exactly in the same direction: First stitch the first panorama in the normal way. Create a medium sized copy of the panorama in jpeg or tiff format, we will use this to align the subsequent panoramas against. For each subsequent panorama:
    • Load all images of the panorama and press Align Images to set it up
    • Add the already stitched panorama as an additional source image
    • In the side bar PTGui Pro 11.18 free download Archives on Advanced
    • Go to the Lens Settings tab. At 'Use Individual Parameters For' enable the Lens, Shift, Shear and Crop checkboxes for the last image (i.e. the already stitched panorama)
    • Go to the Image Paramaters tab. For the last image set Yaw=0. Pitch=0, Roll=0. Set the Lens Type and FoV to the appropriate values for the panorama; for a spherical panorama for example these should be set to Equirectangular and degrees. Set the a,b,c, shift and shear values to 0.
    • Go to the Crop tab, select the last image and press No Crop
    • Now the first panorama is overlayed over the current project. You can toggle its visibility in the panorama editor by clicking the bottom 'Include images' checkbox in the Create Panorama tab.
    • To align the current panorama to the original panorama we need to add a few control points. Go to the Control Points tab, PTGui Pro 11.18 free download Archives. In the left pane choose the last image (which is the original panorama). In the right pane choose an image of the current panorama. Add 2 control points.
    • Repeat the above step for one more image so you end up with 4 control points spread across the entire panorama
    • Go to the Optimizer tab and make sure it is set to Simple mode (this is the default).
    • Set 'Anchor Image' to the last image (the original panorama). A Journey Through Valhalla Free Download 'Optimizer lens Field of View' and set 'Minimize Lens Distortion: Heavy'.
    • Click on the Advanced button in the Optimizer tab
    • Disable the FoV, a, b, c, shift and shear checkboxes for the last image
    • Press the Run Optimizer button
    • Now the current panorama should be aligned to the original panorama. Verify this in the panorama editor by toggling the last 'Include Images' checkbox in the Create Panorama tab.
    • Go to the Source Images tab and remove the last image. The panorama is now ready to be stitched.
    For time lapse movies Optimum Seam Placement should be disabled, this can be done in the Blending side bar in the Panorama editor. With Optimum Seam Placement, PTGui Pro 11.18 free download Archives, the seam would be placed at a different position in each frame.

    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?

    Sometimes one or more images in a panorama don't show any suitable objects to place control points on, for example when an image contains only blue sky or a plain white wall. Since the exact alignment of a plain colored image is usually not critical, you can align it by hand:

    First make sure that the rest of Android Archives - PC Product key panorama is set up properly (usually just pressing Align Images is enough). Then go to the Panorama Editor window by pressing Ctrl+E (Windows) or Command+E (Mac). Switch the panorama editor to 'Edit Individual Images' mode using the toolbar, the menu or by pressing Ctrl+Shift+I (Windows) or Command+Shift+I (Mac). In this mode you can move individual images around. Use the left mouse button to move an image, or use the right mouse button to rotate it, PTGui Pro 11.18 free download Archives. Single button Mac users can use Ctrl+Mouse button to rotate. For more information see the Help page for the panorama editor pressing F1 (Windows) or Fn+F1 (Mac).

    When done, go back to the main window, click on Optimize and proceed to Create Panorama. You can ignore warnings about missing control points.

    How can I view a finished panorama interactively on my computer?

    To view a spherical panorama interactively (i.e. with PTGui Pro 11.18 free download Archives ability to 'look around' by clicking and dragging the mouse) you need a panorama viewer. Since version 10 a spherical panorama viewer is included with PTGui.

    For interactive viewing the panorama should be stitched as a x degree equirectangular image. To choose this format select Projection - Spherical in the Panorama Editor menu bar in PTGui.

    To view your stitched panorama interactively, PTGui Pro 11.18 free download Archives, press the 'View' button in the Create Panorama tab and select 'Open in PTGui Viewer'. The PTGui Viewer can also be opened directly via Tools - PTGui Viewer. The PTGui Viewer supports panoramas in equirectangular projection, in TIFF or JPEG format.

    Other panorama viewers are available as well:For more viewers see Panorama Viewers(arenaqq.us Wiki).

    For many years Apple's QuickTime Player has been able to display interactive spherical panoramas through a special type of .mov file called QuickTime VR (QTVR). Unfortunately Apple decided to remove QTVR support inso QTVR should be considered a legacy format. See Qif you need to play a QTVR .mov file.

    PTGui can be configured to launch one of these viewers when the Preview button (in the Preview tab) or the View button (Create Panorama tab) is clicked. To configure this go to Tools-Options (Windows) or PTGui-Preferences (Mac). In the Viewers tab enter the path to the viewer application. Up to 3 applications can be configured: not only panorama viewers but also image editing applications such as Photoshop.

    If you would like to embed a spherical panorama on your website see Q

    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?

    No, unfortunately no such format exists, you need to install a panorama viewer to be able to interactively view a panorama. See Q

    Alternatively publish the panorama to your website, on most computers it will be possible to view the panorama without needing to install anything. See Q

    I need to align/overlay an image to an already stitched panorama. How can I do this?

    This can be done as follows:
    • load the image and the panorama as source images in a new PTGui project.
    • After loading the images, click Advanced and go to the Lens Settings tab. If your images have EXIF data, PTGui should have added two lens profiles, one for each image. If not, add a lens profile by clicking the + button. In the 'use individual parameters' list, verify the each image is assigned its own lens profile. Verify that both images (i.e. both lens profiles) have the proper lens parameters assigned. If the panorama is a spherical panorama, it should have equirectangular degree lens settings.
    • Go to the panorama editor window. Set the projection identical to the projection of the original panorama (e.g. equirectangular). Then click on the Fit Panorama button. The view in the panorama editor should now be identical to the original panorama.
    • If the image to be matched is a circular fisheye image, go to Batch Video Converter 1.7.0 crack serial keygen Crop tab and set the crop circle accordingly. For other lens types this step is not necessary.
    • Again go to the Panorama Editor. Click on the 'Edit individual images' button. The image is now shown on top of the panorama. Drag the image approximately into the right position. Exact alignment is not important at this time. Press the Help button in the panorama editor if you need to learn how to do this.
    • Now for exact alignment we need to set control points. Go to the Control Points tab and place a few control points between the two images. About 6 control point pairs should be enough, but do make sure that they are spread over the entire image area.
    • Go to the Optimizer tab. Click on the Advanced button at the top, PTGui Pro 11.18 free download Archives. At 'optimize globally' disable all optimizations for the lens profile of the panorama. For the overlay image's lens profile enable Field of View, a, b, c, LShift and SShift. Disable the Shear checkboxes. At 'optimizer per image' only enable the Yaw, Pitch and Roll checkboxes of the overlay image. All checkboxes for the panoramic image should be cleared, so you have only 3 checkboxes selected here.
    • Press the Run Optimizer button at the bottom. Hopefully the optimizer reports a good result.
    • Go back to the panorama editor and check the alignment of the images, by hovering the mouse over the panorama. If the image is not aligned perfectly yet you may need to add a few more control points and run the optimizer again. If you cannot get the image to align perfectly this may be due to parallax (see below).
    • Once you're happy with the alignment, go to the Create Panorama tab.
    • Choose 'Output: Individual layers' only. This disables blending, which usually would not give the desired result. If you do want PTGui to blend the two images you may need to use the Mask tab (Pro version only) to indicate which parts of which images should be used, otherwise the blender may choose to use only a small fraction of the overlay image.
    • Choose File format: TIFF or Photoshop. For TIFF output, two separate output files will be generated. For Photoshop a single file will be generated with two layers. Using JPEG output is not recommended since it does not support transparency.
    • Finally press the Create Panorama button to render the output.
    Keep in mind that as with any panorama, parallax errors will prevent proper stitching, PTGui Pro 11.18 free download Archives. Therefore the image to be overlaid should be taken from exactly the same location as the original photos for the panorama.

    If you need to do the same for multiple panoramas or overlay images, you can save some time by using templates, PTGui Pro 11.18 free download Archives. Use File - Save As Template to save the settings of the project to a template, and use File - Apply Template to apply the settings to a future project. Control points still need to be placed by hand though since they are specific to the images used.

    How can I stitch a PTGui project from the command line?

    PTGui supports two methods for command line stitching: the '-batch' flag adds project files to the batch stitcher queue for background stitching; the '-stitchnogui' flag stitches a project in a command line window without showing any windows.

    Use the -batch flag as follows:

    On Windows:
    "C:\Program Files\PTGui\arenaqq.us" -batch "C:\Path\To\arenaqq.us"
    On macOS use the opencommand as follows:
    open "/Applications/PTGui arenaqq.us" --args -batch "/Path/To/arenaqq.us"
    On Linux:
    /path/to/PTGui -batch /path/to/arenaqq.us
    The above command returns immediately. The '-x' parameter can be added (after -batch), this causes the batch stitcher window to close when stitching has finished.

    The second Garden Planner Crack 2021 stitches the project on the command line, without using the batch stitcher, and blocks until rendering has finished.

    On macOS launch as follows:
    "/Applications/PTGui arenaqq.us Pro" -stitchnogui arenaqq.us arenaqq.us arenaqq.usch
    On Windows:
    START "" /WAIT "C:\Program Files\PTGui\arenaqq.us" -stitchnogui arenaqq.us arenaqq.us arenaqq.usch
    On Linux:
    /path/to/PTGui -stitchnogui arenaqq.us arenaqq.us arenaqq.usch
    If configured the batch stitcher can also align the images and generate control points (Pro version only). To do so enable 'Align images and save the modified project' at 'Batch Stitcher actions' in the Project Settings tab. This allows for fully automated batch stitching of images without user interaction.

    Note that on Linux, PTGui currently requires a valid $DISPLAY even when used with the PTGui Pro 11.18 free download Archives flag. As a workaround you may create a dummy graphical desktop using VNC server and let PTGui use this. We hope to solve this in a future update.

    Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?

    Yes this is possible. The trick is to simulate using a long (narrow angle) lens, in this case hardly any warping will be done. Also, PTGui needs to be told not to optimize the lens field of view or lens distortion. To get an unblended collage you need to choose layered Photoshop output and flatten the panorama in Photoshop.

    In short:
    • Load your images
    • Press Align Images. PTGui will analyze your images, generate control points and attempt to set up your panorama. If your images were actually taken as a panorama (i.e. overlapping, taken from the same viewpoint) this may result in a nice panorama, otherwise you may get garbage. Just ignore any warnings about missing control points.
    • Switch PTGui to Advanced mode by pressing the Advanced button in the side bar
    • Go to the Lens Settings tab and enter the following values:
      • Lens type: rectilinear
      • Focal length: mm
      • Press the 'Reset' button to reset the lens correction, shift and shear values to 0
    • Go to the Optimizer tab, and disable 'Optimize lens focal length'. Select 'Minimize lens distortion: No'.
    • Press the Run Optimizer button at the bottom. Most likely the optimizer will report a 'not so good' or 'bad' result.
    • Go to the Panorama Editor by pressing Ctrl+E (Windows) or Command+E (Mac)
    • In the Panorama Editor press the Center Panorama button and then the Fit Panorama button. To preview the actual collage without blending press the Overlay Mode button.
    • You can move and rotate the panorama in the editor. Or you can move and rotate individual images by selecting 'Edit Individual Images' mode. See the on line help for more information. If you move individiual images, don't optimize the project anymore (even if PTGui prompts you to do so) otherwise your changes may be undone.
    • To render the collage, go to the Create Panorama tab. Choose 'File Format: Photoshop (.psd)' and 'Layers: Individual layers only'.
    • Press the Create Panorama button. Open the resulting PTGui Pro 11.18 free download Archives file in Photoshop and flatten it in Photoshop through Layer - Flatten Image

    How can I stitch panoramic video in PTGui?

    PTGui does not directly support stitching of video footage. But the Batch Builder can be used as a rudimentary tool for stitching video. To do so, the videos first need to be converted into individual JPEG or TIFF frames using a suitable third party video editing application. Stitch the first frame as a regular panorama in PTGui and save the project file. This project file can be used as a template in the batch builder so that all subsequent frames are stitched exactly like the first. The resulting panoramas need to be assembled into a video in a video editing application.

    Optimum seam placement should be disabled Photo Mechanic 5.0.19695 Full Version Download the Blending side bar of the panorama editor. Otherwise the seams will be placed differently in each video frame, PTGui Pro 11.18 free download Archives.

    To learn more about the batch builder, choose Tools - Batch Builder in PTGui Pro 11.18 free download Archives Pro and press the Help button there.

    For a dedicated panoramic video stitcher see SGO Mistika VR, this supports stitching based on a PTGui template.

    Is there a way to stitch many panoramas using the same settings?

    Yes, PTGui Pro includes the Batch Builder for this purpose. The Batch Builder scans a chosen folder for images and creates project files automatically. The project files can be based on a custom template. Once the project files have been generated they can be stitched overnight using the Batch Stitcher. If needed, control points can be generated as part of this process. Or, if the camera positions are known, control point generation can be skipped and all panoramas stitched with exactly the same settings.

    For more information, launch PTGui Pro, go to Tools - Batch Builder and click on the Help button.

    How can I make 'little planet' images in PTGui?

    A little planetis a panorama projected such that the floor of the scene is in the center. By using a stereographic projection, PTGui Pro 11.18 free download Archives, the horizon of the scene will become circular, thus giving the impression that the photo was taken from above a small planet.

    A the little planet image actually is a fully spherical panorama since it covers both the floor (nadir) and the sky (zenith). Just like a regular spherical panoramas it is most easily taken with a fisheye lens.

    To create a little planet panorama load your source images in PTGui and press Align Images. Then go to the Panorama Editor side bar and choose Projection -> Presets -> Little Planet.

    Also see: Projections.

    How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?

    Currently we do not offer a plugin for PTGui Pro 11.18 free download Archives Lightroom, PTGui Pro 11.18 free download Archives, but PTGui can be integrated in Lightroom as an external editor as follows:

    • In Lightroom, go to Edit - Preferences - External Editing
    • Select Preset: Custom
    • Click the Choose button next to Application and browse to the PTGui application. On Windows select C:\Program Files\PTGui\arenaqq.us, on Mac choose /Applications/PTGui.
    • Select:
      File Format: TIFF
      Color Space: <your preferred color space, or sRGB if in doubt>
      Bit Depth: 16 bit
      Resolution: (in fact any value is fine)
      Compression: None
    • Select Preset: Save Current Settings as New Preset
    • Enter Preset Name: PTGui and click Create.
    Now you can open your photos from Lightroom into PTGui as follows: in Lightroom's library view select the photos to be stitched, right-click (Ctrl+click on Mac) on the selection and choose Edit In - PTGui. Then if you want to stitch the original photos choose Edit Original (note that PTGui will only read and never modify your source images). Or to stitch the photos with any Lightroom adjustments choose Edit a Copy with Lightroom Adjustments.

    After the panorama has been stitched in PTGui, go to the folder in Lightroom's library where PTGui has created the panorama, right click on the folder name and choose Synchronize Folder. This imports the stitched panorama back into Lightroom, PTGui Pro 11.18 free download Archives.

    Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?

    It might look easy at first sight (just stitch two panoramas, one for the left eye and one for the right eye), but stitching stereoscopic degree panoramic images is actually far from trivial. Image alignment will not be perfect and it's impossible to get a true 3d view at the nadir and zenith using only a single panorama per eye.

    The reason is parallax: to stitch seamless panoramas one needs to get rid of any parallax (see Q). On the other hand parallax is a requirement for stereoscopic images: it's the parallax caused by PTGui Pro 11.18 free download Archives distance between our eyes that allows the brain to sense depth. Therefore any attempt to create a stereoscopic panorama will be a compromise between perfect image alignment and getting 3D depth.

    That said, several people have developed techniques for stereo panoramic stitching. All methods come PTGui Pro 11.18 free download Archives to taking many images at small yaw increments (say 10 degrees). The camera is deliberately placed away from the no-parallax point. Due to the small yaw increments only a narrow slice of each image is used and this prevents the parallax error to accumulate over a wider area. In other words there will be many stitching errors but they are small and perhaps even unnoticeable.

    Getting a stereoscopic view of the nadir and zenith remains impossible though. Imagine looking at the nadir and zenith while rotating the view: the panoramas for the left and right eye would gradually need to swap when the viewer rotates from 0 to degrees, and intermediate views would be needed for the viewing angles inbetween. This is impossible to do with just a left eye and right eye panorama. But if the zenith is just plain blue sky and the nadir a flat surface one may get away without stereoscopic depth in these areas.

    Tom Sharpless' methodworks well with the optimum seam placement features of PTGui Pro

    Many years ago, Wim Koornneef developed an easy workflow for creating stereo panoramas with PTGui: Revised version of the tutorial "How to make a spherical 3D panorama with a single camera and a fisheye lens", PTGui Pro 11.18 free download Archives.

    Also see this thread at the PTGui support forum: Managing stitching for stereoand Jim Watters' video tutorial: Stereo Stitching with PTGui.

    If you would like to discuss 3D panoramic stitching please join the PTGui support forum!

    How can I stitch two back-to-back circular fisheye images?

    First of all, if possible (i.e, PTGui Pro 11.18 free download Archives. when using a single camera on a rotating panoramic tripod head), it would be better to use 3 images (spaced degrees apart) instead of 2 images back-to-back. With 3 images there is much more overlap, PTGui will be able to align the panorama fully automatically and and the larger overlap area allows the blender to make smoother transitions between the. But if you must use two images, read on:

    The difficulty when using two circular fisheye images back-to-back is the small overlap area: the images overlap only in a small ring at the outer edge of the images. This ring usually too small for PTGui to be able to find control points, so you will need to place control points manually. Also due to the small overlap area PTGui is not able to determine the lens distortion accurately. Therefore proceed as follows and create a template for your setup:

    • Start a new project and load the two images
    • Click on the Advanced button in the side bar
    • Go to the Crop Tab and verify that the cropping circle matches the circular image; adjust if needed
    • Go to the Image Parameters Tab and enter degrees as the Yaw angle of the second image (originally it was 0)
    • Go to the Control Points tab and place a couple of control points between both images. Try to spread the control points along the entire edge. If there's parallax (in particular if the images were taken with two cameras back to back), try to place control points only on distant objects. Nearby objects will suffer from parallax errors the most.
    • Go to the Optimizer tab and set:
      Optimize Lens focal length: yes
      Minimize Lens Distortion: Medium
    • Run the Optimizer
    • Go to the Panorama Editor menu and choose Projection -> Spherical ( x equirectangular)
    Assuming the result looks good, save it as a template using File -> Save As Template. For the next panorama most of the above steps can be skipped. Instead use the template by starting a new project, loading the two images and choosing File -> Apply Template -> and browse to the saved template. If the panorama needs better alignment, add control points and run the optimizer. If it looks good already, just skip the control points and go straight to Create Panorama.

    If the photos were taken with two cameras back-to-back (as opposed to a single camera on a rotating tripod head), keep in mind that there will be parallax and the panorama will have stitching errors. See Q

    How can I retouch the nadir of a spherical panorama?

    Often it's necessary to retouch the nadir (the floor) of a spherical panorama, in order to get rid of the tripod or to remove small stitching errors. Retouching the nadir can be done in several ways; it's easiest to do the edits in cube faces images.

    • Go to Tools - Convert to Cube Faces.
    • Add the panorama to the Source Files list. The PTGui Pro 11.18 free download Archives should be in ° x ° equirectangular projection (a image)
    • Select: Convert to cube faces, 6 separate tiles, TIFF
    • Select: Save to source image folder
    • Cube face size: automatic
    • Press Convert
    • In the same folder as the panorama, PTGui Pro 11.18 free download Archives, 6 cube face images have been generated (arenaqq.us, arenaqq.us, etc). Open the file named arenaqq.us in your image editing application and retouch as needed.
    • To convert the cube faces back to equirectangular: start a new PTGui project and add the 6 cube face images to it. Go straight to the Create Panorama tab and create the panorama. You'll now have the retouched panorama in a file named 'arenaqq.us'.

    How can I stitch images taken with a ° one shot camera in PTGui?

    Several single shot ° panoramic cameras exist, producing a single image containing two circular fisheye images side by side. PTGui supports several of these cameras, including the Samsung GearXiaomi Mijia Mi Sphere, Yi VR and Ricoh Theta Z1. If an image from such a camera is loaded into PTGui, PTGui will actually add the same image to the project twice, with different cropping circles and masks, positioned at and +90 degrees yaw.

    While this already results in a roughly stitched image, the images still need to be aligned for perfect stitching. This is due to small differences between individual cameras of the same type, PTGui Pro 11.18 free download Archives, resulting in different small offsets of the image circles. You only need to perform manual alignment once for each camera, the result can be stored in a template and re-used. To create the template:

    • Start a new PTGui project
    • Load a picture from the ° camera. It's best to use a photo taken outside, with no objects close to the camera, to prevent parallax. PTGui will automatically load the same image twice.
    • Go to the Control Points tab and add a few control points. Image 1 is the leftmost or topmost circular image; Image 2 is the right hand or bottom one. Just click once on a point in image 1, then once on the same point in image 2. It can be helpful to use the Generate Control Points Here function: Shift+drag to create a rectangle, right-click in the rectangle and choose Generate Control Points here. Often this will find control points automatically. Avoid placing control points on objects close to the camera since these will suffer from parallax.
    • Optimize the project (menu Project -> Optimize). The result should be 'good' (otherwise you've probably misplaced a control point somewhere)
    • Open the panorama editor (Control+E on Windows, Command+E on mac) and check the result.
    • Do File Apply Template and select the template created above. The images are aligned already PTGui Pro 11.18 free download Archives the panorama can be stitched by going straight to Create Panorama.

      The template can also be used for batch conversion using the Batch Builder (PTGui Pro only):
       
      • Tools Save Template.

        We are trying to parse a PTGui .pts project file. Can you explain how the lens parameters are stored?

        Parsing crop and lens shift from a PTGui project file is slightly complicated. This is because PTGui stores it in such way that the same data can be used for images in portrait and landscape orientation, and for any image size. We've created a javascript demo to demonstrate how to parse the lens data from a PTGui project file.
    Источник: [arenaqq.us]
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    Источник: [arenaqq.us]
    Apply Template, and pick the template project.

    How can I show a panorama on my website?

    PTGui comes with a web panorama viewer and authoring tool, PTGui Pro 11.18 free download Archives. With a few clicks you can create the files needed to show your panorama on a website.

    First stitch your panorama to a flat image in JPEG or TIFF format. It's best to use Equirectangular projection (click the Equirectangular button in the Panorama Editor). Make a note of the horizontal field of view of the panorama, this is shown in the status bar of the panorama editor window. Don't use the yellow cropping lines in the Panorama Editor: you'll need an image where the horizon is in the middle, otherwise the panorama viewer will distort the panorama into a curved shape.

    Then go to Tools -> Publish to Website to open the authoring tool. For more information about the different settings consult the accompanying Help page. Press the PTGui Pro 11.18 free download Archives button to process the panorama, PTGui Pro 11.18 free download Archives. This creates a HTML page and 17 other files; all files should be uploaded to a folder on your web server. Then you may add a link from an existing page to the generated .htm page which will open the panorama.

    Note that in order to upload the files, your web hosting company should give you raw access to the files being served. If they only offer you access to a Content Management System this may not be the case. In general this is referred to as FTP Access, so check with your web hoster whether they support this and consult their support for the FTP upload settings.

    The PTGui panorama viewer automatically choses between 3 different technologies (Flash, CSS3D and WebGL) to display the panorama. This ensures that your panorama is viewable on almost every modern device, including smartphones and tablets.

    It is however intended to be just a simple and quick way to show your spherical panoramas on a website. If you need more advanced features such as hotspots, custom buttons, etc, or if you need to display gigapixel panoramas, try one of these third party web viewers: To produce a virtual tour for iPad/iPhone/iPod you can use: If you don't have a web site, or one without FTP access, consider using one of the many dedicated panorama and virtual tour hosting services. The panorama can be uploaded to such a service and optionally embedded in your own website by means of an IFRAME. Most panorama viewers or panorama publishing services can handle x degree equirectangular images and this has become the de-facto standard for spherical images. If your panorama has sufficient coverage to be considered spherical, PTGui will automatically pick this projection. If not, select it by doing Panorama Editor -> Projection -> Spherical ( x Equirectangular).

    It's also possible to publish a panorama to Facebook; see Q

    If you would like to view a spherical panorama on your computer (not on a website) see Q

    How can I publish a panorama to Facebook?

    Facebook supports spherical panoramas, which are displayed in an interactive panorama viewer. The required 'gpano' metadata is embedded by PTGui by default, so it works with panoramas straight from PTGui.

    You should create a x degree panorama in Equirectangular projection: in PTGui select Panorama Editor -> Projection -> Spherical ( x Equirectangular) and use the tiff or jpg output file format (because PTGui currently does not embed metadata in Photoshop output). Facebook apparently expects the width and height to be even, so a size of x pixels will work, but x may not work.

    Why does Facebook display my panorama as a flat image, not as an interactive panorama?

    For Facebook to recognize the image as a panorama the image should contain the 'gpano' XMP metadata. PTGui 10 and later embed this data by default; just be sure to use PTGui Pro 11.18 free download Archives proper projection and file format (see Q). If the image from PTGui has been processed in an image editing application (like Photoshop, LightRoom, GIMP), it's possible that this has stripped out the metadata.

    To verify if the necessary metadata is present upload your panorama to arenaqq.us(or any other metadata viewer). You should see an XMP section containing the following:

    ProjectionType equirectangular UsePanoramaViewer 1 () StitchingSoftware PTGui Pro (arenaqq.us)
    If this section is missing (or even if the section is present but there is other nonrelated XMP data as well), Facebook will treat your panorama as a regular non panoramic image. Try to use an image straight from PTGui to ensure the problem is not caused by post processing.

    How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?

    This can be done as follows:Please note that this re-processes the image, including interpolation and JPEG decompression and compression DLL Files Fixer 2020 mac Archives applicable). This will slightly degrade the image quality, although in practise this is probably hardly noticable.

    The image interpolation step can be avoided by switching PTGui to Advanced mode (in the side bar), then go to the Create Panorama tab and choose 'Interpolator: Nearest Neighbour'. Note that Nearest Neighbour interpolation only gives good results if the generated panorama is completely identical to the source image (same projection, same pixel dimensions, no warping).

    Do File - Save As Template to save the project as a template. This template can be applied to other equirectangular images (but only if they have the same pixel dimensions).

    How do I level/straighten a panorama using horizontal / vertical line control points?

    Besides straightening a panorama manually in the Panorama Editor, it's also possible to level a panorama using 'horizontal line' and 'vertical line' control points. Such control points indicate points that should end up on a horizontal or a vertical line in the panorama. PTGui is able to modify the orientation of PTGui Pro 11.18 free download Archives panorama in such a way that the horizontal / vertical line control points are aligned on a horizontal or vertical line, respectively, in the panorama.

    Vertical line control points can be placed on any vertical feature in the panorama, such as the side of a building. Horizontal line control points should only be placed on the horizon itself: in a spherical panorama, all horizontal lines are curved, except for the horizon itself. For most panoramas (in particular cityscapes) it's easiest to use only vertical line control points. One exception would be a panorama of a sea shore: here you could place horizontal line control points on the horizon.

    While regular control points can only be placed between two different images, horizontal / vertical line control points can be placed within the same image. To do so, choose the same image in the left and the right pane in the Control Points tab. The 'CP type to add' listbox sets the type of control point that will be created next. Choose 'horizontal line' or 'vertical line'. Then click on two points (one in the left pane and one in the right pane) that should be aligned horizontally or vertically. Even if the two points are within the same image, place one point in the left pane and one point in the right pane.

    For most panoramas it's sufficient to place two pairs of horizontal line or vertical line control points, although it will not hurt to add more. The best results are achieved if the two pairs are in different parts of the panorama, PTGui Pro 11.18 free download Archives, preferably in a 90 degree yaw interval (e.g, PTGui Pro 11.18 free download Archives. one in northern direction and one in eastern direction).

    Now there are two ways to have PTGui align the panorama based on the horizontal / vertical line control points:
    1. In the Panorama Editor menu bar, choose Edit

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