Mewa User's Guide/Main window

Main WindowEdit

Below is Mewa's main window when we launch it for the first time.

At the top is the app bar with 3 buttons. Just below is a big empty area, that's the node-graph window, because it has no nodes it looks empty. Below is node-graph window is the timeline that contains play buttons and a play bar. At the bottom end is the status bar used to show usefull tips and information.

 
Main window initial state

App barEdit

The app bar is at the top of the application window and offers 3 buttons:

Button Description
  Import footage Show/hide file browser window. More about footage window at chapter Mewa User's Guide/Import footage
  Node library Shows a list of available nodes
  General info Show/hide window holding app version and Scripts folder path

Nodes menuEdit

The nodes button shows a list of all available nodes.

 
Nodes button

When a node is selected from this list the correspondent node is added to the node graph.

For those who know GLSL programming, check out how to create custom nodes using a GLSL shader at Extending Mewa with custom shaders.

Status barEdit

The status bar is the short horizontal bar located at the end bottom of the application window.

The status bar is feedback area that provides quick tips and other helpful information. As the mouse pointer moves over an user-interface element (e.g. button) information related to the user-interface element is shown in the status bar.

Examples:

  • Moving the mouse over a button the status bar shows a tip of what the button does,
  • Moving the mouse over the help button, in parameters window, the status bar shows the web page link it will open,
  • Moving the mouse over a node the status bar shows brief information about the node
  • Moving a point in the curve editor the status bar shows the new point time/value

TimelineEdit

What is the TimelineEdit

While the node graph provides a visualization of the different operations in the workflow, this workflow changes through time. The timeline provides the controls to navigate through time.

 
Timeline

The playbar shows a time scale and a red vertical line called play-head. Both the image shown in the output window and the values shown in the node parameters window, are all respective to the selected frame, pointed by the play-head.

Player toolbarEdit

The player toolbar allows you to navigate trough frames, changing the current frame number.

The input box field in the player toolbar shows the current frame number.

The player buttons are explained in the table below,

  First frame Jump to frame 0
  Previous frame Jump to previous frame
Next frame Jump to next frame

The play-bar or timeline, located above the player toolbar, allows the quick navigation through frames. Clicking and dragging in the play-bar changes the current frame. A red vertical line, called the play head, shows where the current frame number is in the play-bar scale.



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