Sticky Blend object

Computes its transfrom by blending between the transforms of two or more sticky objects, allowing you to blend a position across a polygonal surface.

See also: Sticky

Overview

The Sticky object computes its transform from a UV position on a polygonal surface. Sticky Blend blends between two or more Sticky objects to get a new transform that still follows the surface. You can weight each input.

All inputs to this object must be Sticky objects, and all Sticky objects must be sticking to the same surface.

Parameters

Sticky Blend

Attribute	The attribute name of the texture to use for the polygonal parameterization.
Orient To Surface	Whether the local orientation of the point should be used. Uses the surface normal as the Z axis and the texture’s U axis as the Y axis.
Fetch World Transform	Uses the transform of the input Sticky geometry. If this is off, uses the parent transform of the Sticky Blend node.
Wrap in U/V	Wraps U and V values outside the U/V range. When this is off, the node ignores out of range U and V values.
U/V Range	The range of valid U/V values. Values outside this range will either wrap or be ignored, depending on the Wrap in U/V setting.
Assume UV Coordinates Unchanging	When this is on, the node saves time by not regenerating its cache of the target surface’s texture coordinates. Only turn this off if the target surface has animated geometry.
Clear UV Caches	Forces this node to regenerate its cache of the the target surface’s texture coordinates. This node is conservative about rebuilding the cache, so you may need to use this if you change the geometry of the target surface. For animated geometry, turn off the Assume UV Coordinates Unchanging.
Weights	The weight assigned to each input sticky object. Higher weights move the blended point closer to that sticky object.

Render

Display

Whether or not this object is displayed. Turn on the checkbox to have Houdini use this parameter, then set the value to 0 to hide the object, or 1 to show the object. If the checkbox is off, Houdini ignores the value.

Set Wireframe Color

Use the specified wireframe color

Wireframe Color

The display color of the object

Viewport Selecting Enabled

Object is capable of being picked in viewport.

Select Script

Script to run when the object is picked in the viewport. See select scripts .

Cache Object Transform

Caches object transforms once Houdini calculates them. This is especially useful for objects whose world space position is expensive to calculate (such as Sticky objects), and objects at the end of long parenting chains (such as Bones). This option is turned on by default for Sticky and Bone objects.

See OBJ cache preferences for how to control the size of the object transform cache.

Geometry Scale

Uniform scaling about the xyz axes.

Display

Whether to display only the icon, only the axis, or both.

Icon	Displays only the icon geometry.
Axis	Displays only the axis.
Icon and Axis	Displays both the icon and axis.

Control Type

Switches between the type of geometry to display.

Null	Displays null geometry (i.e. cross).
Circles	Displays circle primitives.
Box	Displays box primitive.
Planes	Displays plane primitives.
Null and Circles	Displays null and circle primitives.
Null and Box	Displays null and box primitives.
Null and Planes	Displays null and plane primitives.
Custom	If an input source is specified, this option will display the geometry of the input.

Orientation

Used in conjunction with circle or plane primitives. Determines which circles or planes to display.

All planes	Displays circle or plane primitives on the YZ, ZX and XY planes.
YZ plane	Displays a circle or plane primitive on the YZ plane.
ZX plane	Displays a circle or plane primitive on the ZX plane.
XY plane	Displays a circle or plane primitive on the XY plane.
YZ, ZX planes	Displays circle or plane primitives on the YZ and ZX planes.
YZ, XY planes	Displays circle or plane primitives on the YZ and XY planes.
ZX, XY planes	Displays circle or plane primitives on the ZX and XY planes.

Shaded Mode

Determines whether to display the primitives as shaded objects or as wireframe objects.

off	Displays primitives in wireframe mode.
on	Displays primitives in shaded mode.

Usages in other examples

Example name	Example for