Display Tools

The tools on this page are not specific to Markers, Cameras or Bundles, but are general tools useful in Maya for many different tasks.

Center 2D On Selection

Forces the active viewport camera to lock it’s center to the currently selected transform node.

A viewport camera can only center on one node at a time.

While centering is turned on, it overrides Maya’s normal 2D Pan/Zoom settings.

Usage to apply the centering effect:

1. Select transform node.

2. Activate a 3D viewport.

3. Run ‘Apply 2D Center’ tool.

   • The active viewport camera will be centered on the selected transform node.

4. Use the Pan/Zoom tool (default hotkey is backslash (’ \ ‘) key), to zoom in and out. Play the Maya timeline and use the centered view as needed.

Usage to remove centering effect:

1. Run ‘Remove 2D Center’ tool.

   • The active viewport will no longer center on an object, but will not reset the view.

   • The pan/zoom will still be active. To reset the viewport camera, turn off Pan/Zoom on the viewport camera (default hotkey is backslash (’ \ ‘) key).

To run the tool, use this Python command:

import mmSolver.tools.centertwodee.tool as tool

# Apply Centering onto active camera
tool.main()

# Remove Centering from active camera
tool.remove()

Create Horizon / Axis Dome / Sky Dome

MM Solver includes a flexible Sky Dome node that can be used to visualize the rotations of a camera with lines.

Simply create the Sky Dome, Axis Dome or Horizon to create a mmSkyDomeShape node, then you can edit the attributes in the Attribute Editor.

• Set the Draw Mode and Radius attributes to control how the depth of Sky Dome.

• Set the Alpha and Line Width attributes to easily adjust the brightness of the lines.

• Enable Anti-Aliasing in Maya Viewport 2.0 to see the lines with better quality.

• By default the centre of the Sky Dome will always be positioned to your visible camera - it will “dynamically attach” to your camera in each viewport.

• The Sky Dome is not renderable in software renders (like Arnold), it only supports Viewport 2.0.

To run the tool, use this Python command:

import mmSolver.tools.createskydome.tool
import mmSolver.tools.createskydome.constant as const

# Create Sky Dome
mmSolver.tools.createskydome.tool.main(preset_name=const.PRESET_SKY_DOME_NAME)

# Create Axis Dome
mmSolver.tools.createskydome.tool.main(preset_name=const.PRESET_AXIS_DOME_NAME)

# Create Horizon Line
mmSolver.tools.createskydome.tool.main(preset_name=const.PRESET_HORIZON_LINE_NAME)

Set Object Colour / Reset Object Colour

The Set Object Colour tools can be used to override the wireframe colour of the selected objects.

Likewise to remove the colour overrides, use the Reset Object Colour to reset selected objects.

This tool works on common Maya shape nodes, such as Meshes, NURBS Surfaces, and NURBS Curves, as well as MM Solver shape nodes, like Markers, Bundles and Lines.

Note

Starting with Maya 2023 the Set Object Colour UI contains an Alpha channel value, allowing the wireframe to be transparent.

Usage - Set Colour:

1. Select object(s).

2. Run tool.

   • Choose colour.

   • Move mouse away from window to set and close the colour.

Usage - Reset Colour:

1. Select object(s).

2. Run tool.

   • All selected objects have colour overrides removed back to default colours.

To run the tool, use this Python command:

import mmSolver.tools.setobjectcolour.tool as tool
tool.open_mini_window()

# Or run with the larger window.
tool.open_window()

# Or reset the colour on selected objects.
tool.reset_colour()

Toggle Object Motion Trail

The Object Motion Trail can be used to view the position of a 3D transform (or object) for a series of frames, using a line. This tool can be used to toggle the Motion Trail to easily create and view.

Usage:

1. Select Object transform node(s).

2. Run tool.

   • If the object has no motion trail, the motion trail will be created or unhidden.

   • If the object has a motion trail it will be hidden.

To run the tool, use this Python command:

import mmSolver.tools.toggleobjectmotiontrail.tool as tool
tool.main()

Create Screen-Space Motion Trail

The Screen-Space Motion Trail tool creates a non-editable curve that shows the screen-space position of a transform across multiple frames.

With default options the tool can be used to visualise the shutter time of a Marker (or any other transform), assuming a shutter angle of 180 degrees (half a frame).

The user may change the default options after the motion trail is created by selecting the Motion Trail node under the camera and editing the attributes in the Channel Box.

Beware of small increment values, and large frame ranges. These will cause slow-downs in the playback of the Maya scene.

Motion Trail Attributes

Attribute	Type	Description
Use Frame Range	On/Off	Use the frame range, or the pre/post-frame values.
Pre-Frame	Number	The number of frames to display before the current frame.
Post-Frame	Number	The number of frames to display after the current frame.
Frame Range Start	Number	The starting frame number, if Use Frame Range is on.
Frame Range Start	Number	The ending frame number, if Use Frame Range is on.
Increment	Number	The increment for each sample of the motion trail.

Usage:

1. Select transform nodes.

2. Activate viewport.

3. Run tool.

4. A temporary null is created (required for the tool to work), and a motion trail parented under the camera is created.

To run the tool, use this Python command:

import mmSolver.tools.screenspacemotiontrail.tool as tool
tool.main()