COP nodes that have to create layers use context options to determine the default settings of those layers. The global context option can be overridden for nodes inside a network by turning on these options. For more information, see Default COP Network settings.
For information about the COP network, see Copernicus.
Parameters ¶
Resolution and Properties ¶
Default Resolution
Sets the context option for default_xres and default_yres.
This is the size of layers that don’t have an explicit size set.
The default is 1024×1024.
Default Pixel Scale
Sets the context option default_pixelscale. This is a scale for
the size of the pixels in the image, causing the image to cook at
a fractional effective resolution, but not changing any
pixel-relative values.
Default Border
Sets the context option default_border. This is an integer
context option which encodes what the border type of new layers
should be.
Constant
Outside the layer evaluates to 0.
Clamp
Outside the layer evalutes to the closest pixel in the layer.
Mirror
Outside values reflect off the boundaries.
Wrap
Outside values wrap around.
Default Precision
Sets the context option default_precision to control how many
bits are used for each channel.
16-bit
A value of 16 meaning to default to half-precision.
32-bit
A value of 32 meaning to default to full-precision.
Canvas ¶
Default Canvas
Sets the context option default_camera, which is a string that encodes the default camera
for new layers. Every layer in COPs has a location and orientation in space, plus a camera attached to it.
from Camera Path
Set the canvas from a camera path. If the Default Resolution is set, its value takes precedence over the camera’s resolution.
from Image Plane
Set the canvas from a 3D plane. This option also lets you set the orientation of the plane.
Size
The width and height of the plane.
Center
The position of the center of the plane.
Rotate
The rotation about the Center of the plane.
Uniform Scale
The uniform scale of the plane.
Tile Visualization
When evaluating the geometry for the 3D viewport, attach the tilevis primitive property to have it displayed with a repeating pattern. This makes it easy to see how well the pattern will tile and to verify operations haven’t made it not tile.
UDIM ¶
Default UDIM
Sets the context option UDIM. This is the tile in UV space to which the layer applies.
See UDIM for more information.
Default UDIM List
Sets the context option UDIM_list. This is the list of tiles in UV space that some COPs can pick up (such as 
Preview Material and 
UDIM Pack).
from Parameter
Sets the list using a string parameter. Enter a space- or comma-separated list of individual tiles or linear ranges of tiles. For example, 1001 1009-1012,1025 corresponds to the tile list 1001, 1009, 1010, 1011, 1012, 1025.
from Geometry
Sets the list by reading a detail attribute from the specified SOP’s cooked geometry. Use the 
UDIM List SOP to generate this detail attribute from a geometry.
Geometry Path
The path to the SOP to inspect when Default UDIM List is set to from Geometry.
UDIM List Attribute
The name of the detail attribute that contains the UDIM list when Default UDIM List is set to from Geometry.
