Autopano - Panorama Editor - Control Points Editor
- 1 Principle
- 2 Where to find
- 3 Presentation of the interface
- 4 Panorama editor window
- 5 Control points editor window
- 5.1 Control points editing area
- 5.2 Selection lists
- 5.3 Toolbar
- 5.3.1 Enable/Disable Views
- 5.3.2 Window layout
- 5.3.3 Synchronize Views
- 5.3.4 Optimize the panorama
- 5.3.5 Locally optimize the panorama
- 5.3.6 Adding control points to the selected areas
- 5.3.7 Add manual control point
- 5.3.8 Delete selected control point
- 5.3.9 Add control point using geometric analysis
- 5.3.10 Contextual help
The control point editor lets you manually correct the links and control points in order to obtain an optimum placement of your images. Indeed, sometimes the automatic mode poorly positions or excludes images. This can be easily corrected with the control point editor.
Where to find
The following tools are used for editing control points:
Presentation of the interface
The active control point editor interface uses 2 windows:
- The Panorama Editor window
- The Control points Editor window
Panorama editor window
Panorama editing area
Meshing of the editing area
The mesh appears above the preview of the panorama and lets you view the links between images and their quality. It also lets you select the images and links.
A color code lets you quickly see the state of the links:
- (RMS lower than 5): Good quality link.
- (RMS between 5 and 10): Average quality link.
- (RMS more than 10): Bad quality link.
- (the RMS value is not very important): Modified and unoptimized link.
Note: learn more about the RMS value in this page.
When you select an image, the editor displays them as superimposed and the red lines show you all the related images.
Note: You can also use rubber band selector to select multiple images/links. Click on the panorama then select images by moving the cursor over the images.
When you select a link, it is highlighted in red. You can select more than one link, the display of the mesh will change based on the selection.
The contextual menu opens when a right click is applied on an image, to access the following options:
- Local geometry analysis: Useful if the image selected has no link with the other images, that allows to search (and find) links automatically by geometry analysis in all the other images.
- Local optimize this image: Allows to optimize all the links of the selected image.
- Optimize viewpoint of this image: ( Autopano Giga only) allows variations in the nodal point for the selected image and detects changes in viewpoint, whatever the shooting conditions.
- Hard link to (image index): Allows to add a hard link with random control points. Useful in case it is impossible to find control points on the selected image and its neighborhoods, to fix the position of this image with the desired image.
- Optimize viewpoint of all images: ( Autopano Giga only) allows variations in the nodal point of all images and detects changes in viewpoint, whatever the shooting conditions.
- Do not optimize viewpoint of all images: ( Autopano Giga only) locks variations in the nodal point of all images and detects changes in viewpoint, whatever the shooting conditions.
The stitching information window rindicates the RMS value of the stitching and the number of control points of the whole current panorama:
- Full optimization: Lets you optimize the whole panorama.
- Quick optimization: Lets optimize the latest changes only.
- Geometric analysis: Useful if the image selected has no link with the other images, that allows to search links automatically by geometry analysis in all the other images
You can access these 4 advanced tabs by ticking the Advanced Mode option.
Optimization groups use the Layers window to show the groupings defined in the Optimization scopes.
The frames group values when there is similarities between them.
Control points editor window
Control points editing area
The control points editing area is divided into 2 windows where 2 images selected from the list can be viewed and the different tools could be used to edit the control points.
The selection list is divided into 4 closely related parts (Current link, images list, links list and control points list):
- Any image selected in the image list will display the current link which it belongs, its list of links or control points in common with other images (according to the selected tab).
- The links tab displays the list of common links when you select one or more images.
- The Ctrl Point tab displays the list of common control points when you select one or more images.
The Current link part displays the number (index) of the images belonging to the current link selected.
In parallel, the edition zone and the list of links is updated depending on the current link selected.
Use the arrows and to scroll through the links of the selected image (or images selected):
This tool lets you decide whether to display or not to display the images in the control point editing area.
Lets you change the display of the control point editing area.
Lets you synchronize the display of images in the control point editing area. This is useful to simultaneously view the images when the zoom level is high.
Lets you confirm the changes to the control points/links done in the editor. The preview of the panorama then adjusts according to the constraints you have to define.
The optimization can be adjusted in the control point editor settings.
Lets you only optimize the latest changes. The preview of the panorama then adjusts according to the constraints you have to define.
After having selected 2 overlaying images (the 2 images have similar details), draw a rectangular with the help of the mouse on the 2 images in the control point editing area.
The control points will be automatically calculated and displayed.
You can also delete control points by selecting an area and pressing the delete key.
The adding of a single control point lets you precisely define the control point (and not an area like the pervious tool).
For this reason, you have to define the same point on 2 images with the help of the mouse and the zoom tool active in the control point editing area. The created control point will be displayed in blue.
This tool is opposite to the single adding tool and lets you delete control points singly. Just select a control point and click on the "Delete selected control point" icon. You can also delete a point with the 2 previous tools, select the point and then press the delete key.
Geometrically analysis the panorama to find the new control points. Uses the images’ common positions to find the overlapping areas. If the 2 images overlap and there are no control points, the algorithm will try to add them.
Click on this icon to activate this tool. Click on the icon of your choice to view information about its use.