ImageField
The ImageField node creates a 2D image from a 3D field. The image is applied to a card which can be positioned using the transform knobs. The field XYZ values at each point on the card will be put into the image pixels.
A preview of the card is shown in the viewer.
This node can be useful for examining a field or extracting field values to be used elsewhere in Nuke.
Note: This is a LABS node, indicated in Nuke with the tag: 
LABS nodes are experimental and not intended to be used for production.
Inputs and Controls
|
Connection Type |
Connection Name |
Function |
| Input |
fld |
An input for connecting to field that you wish to convert. |
|
Control (UI) |
Knob (Scripting) |
Default Value |
Function |
|
ImageField Tab |
|||
| Format | format | root.format | Sets the format to render out of Nuke. |
| Snap | snap_menu | N/A |
Set your geometry or pivot location to that of a selection within the scene: • Geo to selection (position): sets the position of your geometry to the selection within the scene • Geo to selection (position, orientation): sets the position and orientation of your geometry to the selection within the scene • Geo to selection (position, orientation, size): sets the position, orientation and size of your geometry to the selection within the scene • Pivot to selection (position): sets the pivot position to the selection within the scene • Pivot to selection (orientation): sets the pivot orientation to the selection within the scene • Pivot to selection (position, orientation): sets the pivot position and orientation to the selection within the scene |
|
Transform Order |
xform_order |
SRT |
Sets the operation order for scale (S), rotation (R), and translation (T). The possible operation combinations are SRT, STR, RST, RTS, TSR, TRS. |
|
Rotation Order |
rot_order |
ZXY |
Sets the order of rotation. The possible axial combinations are ZXY, XYZ, XZY, YXZ, YZX, ZXY, ZYX. |
|
Transform Data |
file_menu |
N/A |
Select to import or export a channel file: • Import chan file - import a channel file and transform the object according to the transformation data in the channel file. Channel files contain a set of Cartesian coordinates for every frame of animation in a given shot. You can create and export them using Nuke or 3D tracking software, such as 3D-Equalizer, Maya, or Boujou. • Export chan file - export the translation parameters that you’ve applied to the object as a channel file. This is a useful method of sharing setups between artists. |
|
Translate |
translate |
0, 0, 0 |
Lets you translate the object along the x, y, and z axes. You can also adjust translate values by clicking and dragging the object in the 3D Viewer. |
|
Rotate |
rotate |
0, 0, 0 |
Lets you rotate the object around the x, y, and z axes. You can adjust rotate values by holding down Ctrl/Cmd and dragging in the 3D Viewer. |
|
Scale |
scaling |
1, 1, 1 |
Lets you scale the object on the x, y, and z axes. |
|
Uniform Scale |
uniform_scale |
1 |
Lets you scale the object simultaneously on the x, y, and z axes. |
| Skew | skew | 0, 0, 0 | Lets you scale the object on the x, y, and z axes. |
|
Pivot Translate |
pivot_translate |
0, 0, 0 |
When you make changes to a 3D object’s position, scaling, skewing, and rotation, these occur from the location of the object’s origin point or pivot. The pivot translate and rotate x, y, and z controls allow you to move and rotate the pivot point as required - you can even move it outside of the object. Subsequent transformations applied then occur relative to the new pivot point location and rotation. You can hold down Ctrl/Cmd and drag the pivot point to a new location in the 3D Viewer. |
|
Pivot Rotate |
pivot_rotate |
0, 0, 0 |
When you make changes to a 3D object’s position, scaling, skewing, and rotation, these occur from the location of the object’s origin point or pivot. The pivot translate and rotate x, y, and z controls allow you to move and rotate the pivot point as required - you can even move it outside of the object. Subsequent transformations applied then occur relative to the new pivot point location and rotation. You can hold down Ctrl/Cmd and drag the pivot point to a new location in the 3D Viewer. |
| Local Matrix | |||
|
Specify Matrix |
useMatrix |
off |
Enable this control to specify matrix values for the object you’re transforming as an alternative to setting transform, scale, skew and pivot values above. |
|
Matrix |
matrix |
N/A |
The matrix displays values from the object’s transform, rotate, scale, skew, and pivot controls. Check specify matrix and copy or drag-and-drop matrix values from another object to apply those values, for example, if you wanted to align objects in a scene. |
| Display Tab | |||
| Draw Bounding Box | preview_bounds | Unchanged |
Draw the bounding box of the field if it has one. Select between On, Off, and Unchanged. Unchanged means that this option is inherited from nodes above it in the node graph. By inheriting On or Off from above, this means this setting only needs to be edited in one node to affect the display across all Field nodes in the node graph. |
| Draw Preview | preview_on | Unchanged |
Draw a rough preview of the field. Select between On, Off, and Unchanged. Unchanged means that this option is inherited from nodes above it in the node graph. By inheriting On or Off from above, this means this setting only needs to be edited in one node to affect the display across all Field nodes in the node graph. |
| Opacity | preview_opacity | 1 | The opacity at which to draw the preview. |
| Scale | preview_scale | 1 | A value by which the field is multiplied before drawing. You may need to increase this to display faint volumes for example. |
| Offset | preview_offset | 0 | A value added to the field before drawing (after scaling). |
| Detail | preview_detail | 1 | The detail level at which the preview is drawn. Large values are more accurate but slower to draw. |