The viewer can display files containing multiple sources.
The viewer has two display modes, single-source and fused. In single-source mode, only the current source is shown (there is exactly one current source at any given time.) In fused mode, all active sources are shown overlaid.
| P | Open source card for editing source visualization modes, color, brightness, and contrast. |
| Shift P or Escape | Close source card. |
| F | Switch between single-source and fused mode. |
| G | Toggle source grouping. |
| I | Switch between tri-linear and nearest-neighbor interpolation. |
| T | Toggle whether moving image is displayed warped or raw. |
| Ctrl Shift T | Print a representation of the transformation. |
| S | Show Brightness & Color dialog. |
| F2 | Show transform type selection dialog. |
| F3 | Show moving image panel Visibility & and Grouping dialog. |
| F4 | Show target image panel Visibility & and Grouping dialog. |
| U | Show warp visualization grid dialog. |
| Ctrl O | Open landmarks from a file |
| Ctrl S | Save landmarks to a file |
| Ctrl E | Export the transformed moving image. |
| Ctrl Shift E | Export a BDV/XML of the transformed moving image. |
| Ctrl W | Export displacement (warp) field as an ImagePlus. |
| Ctrl A | Print affine transformation (or affine part of warp transformation) to the log / terminal. |
Using the mouse:
| Left-drag | Rotate (pan and tilt) around the point where the mouse was clicked. |
| Right-drag or Middle-drag |
Move in the xy-plane. |
| Scroll | Move along the z-axis. |
| Meta Scroll or Ctrl Shift Scroll |
Zoom in and out. |
Using the keyboard:
| Q key | Align the non-active viewer with the active viewer. |
| W key | Align the active viewer with the non-active viewer. |
| E key | Center the viewer at the nearest landmark (in 3d) |
| R key | Resets view to origin. |
| D key | Centers the active viewer on the currently selected landmark. |
| Ctrl D | Centers the active viewer on the next selected landmark. |
| Ctrl-Shift D | Centers the active viewer on the previous selected landmark. |
| X / Y / Z | Select rotation axis. |
| ← / → | Rotate clockwise / counter-clockwise around the choosen rotation axis. |
| ↑ / ↓ | Zoom in / out. |
| , / . | Move forward / backward along the z-axis. |
| Shift Y or Shift A | 3d: Rotate to the xz-plane of the current source. (Look along the y-axis of the current source.) |
| Shift X | 3d: Rotate to the zy-plane of the current source. (Look along the x-axis of the current source.) 2d: Rotate clockwise to the next 90 degree rotation of the image |
| Shift Z | 3d: Rotate to the xy-plane of the current source. (Look along the z-axis of the current source.) 2d: Rotate counterclockwise to the next 90 degree rotation of the image |
Hold Shift to rotate and browse 10x faster.
Hold Ctrl to rotate and browse 10x slower.
Landmarks are placed in landmark mode which is toggled by pressing the space bar. A message is briefly displayed in viewer windows to indicate that you are in landmark mode.
| Space bar |
Toggle landmark mode (press to enter, press again to exit). |
| (Landmark mode) + ( left click ) | Place landmark point. |
| (Landmark mode) + ( left click-drag a landmark) | Drag an existing landmark point. |
| (Landmark mode) + Shift + ( mouse drag ) | "Move" a point. Click to place a landmark in the moving image space, drag to move a landmark in the fixed image, release to set the fixed image landmark. |
| (Landmark mode) + Ctrl + ( mouse click ) | "Fix" a point. Click to place a landmark in both the fixed and moving images, at the clicked position. |
| Right-click point in table. | Bring up menu for deleting / activating landmark points |
| Double click point in table. | Center landmark point in viewer. |
| Ctrl Z | Undo last change to a landmark point. |
| Ctrl Y | Redo last undone change to a landmark point. |
| V | Toggle landmark visibility. |
| N | Toggle landmark name visibility. |
| (left-mouse-click) | Select row. |
| Ctrl + (left-mouse-click) | Add row to selection. |
| Shift + (left-mouse-click) | Select range of rows. |
| Shift Escape | Deselect all rows. |
| (right-mouse-click) → "Delete" | Delete all selected row(s). |
| (right-mouse-click) → "Clear moving" | Deletes only the moving landmark point. |
| (right-mouse-click) → "Clear fixed" | Deletes only the fixed landmark point. |
| (right-mouse-click) → "Activate" | Activates all selected landmark pairs. |
| (right-mouse-click) → "Deactivate" | Deactivates all selected landmark pairs. |
If your transformation unstable (or close to), BigWarp may not be able to correctly display landmarks on the warped moving image. The name of a landmark in the table will be highlighted yellow.