Set up lighting and depth functions based on spherical mode.

Test application module

Tiles tick marks along the axis.

Convert to args representation

Return a new Rect from coordinates mapped after _transform_in().

Rebuilds the shaders, and repositions the objects that are used internally by the ColorBarVisual

Updates the positions of the colorbars and labels

Called when has changed. This allows the node and its children to react (notably, VisualNode uses this to update its TransformSystem

Get or create the Tk instance. Returns ------- tk.Tk The tk.Tk instance.

Show or hide the window. Has no effect for widgets.

Add a Widget as a managed child of this Widget. The child will be automatically positioned and sized to fill the entire spac

Parameters ---------- vertices : numpy array An array whose dtype is compatible with self.vdtype uniform

Convert a CFType into an equivalent python type. The convertible CFTypes are taken from the known_cftypes dictionary, which may be added to if

Check if provided data will cause issues if set later.

Check this from time to time to detect GL errors. Parameters ---------- when : str Shown in the exception to help the developer d

Clear the console

Show a ColorBar Parameters ---------- cmap : str | vispy.color.ColorMap Either the name of the ColorMap to be use

cast dtype to a new one, but first clip data to the new dtype's limits if needed

Convert *obj* to a new ShaderObject. If the output is a Variable with no name, then set its name using *ref*.

Create a cylinder Parameters ---------- rows : int Number of rows. cols : int Number of columns. radius : tuple o

Generate vertices and indices for an implicitly connected mesh. The intention is that this makes it simple to generate a mesh from meshgrid d

Return ctypes type for an encoded Objective-C type.

Destroy the given Toplevel, and if it was the last one, also destroy the Tk instance if we created it. Parameters --

Detach a filter. Parameters ---------- filt : object The filter to detach. view : instance of VisualView

Return a list of all mouse events in the current drag operation. Returns None if there is no current drag operation.

Draw collection

Try to reduce dtype up to a given level when it is possible. Examples -------- >>> dtype = [ ('vertex', [('x', 'f4'), ('y', 'f4'), ('z'

Check for errors, returns an enum (int).

Return frequencies for DFT Parameters ---------- n_fft : int Number of points in the FFT. fs : float The sampling rat

Wait for GL commands to to finish This creates a GLIR command for glFinish and then processes the GLIR commands. If the GLIR interpre

Forget about the given canvas. Used by the canvas when closed.

Create view frustum Parameters ---------- left : float Left coordinate of the field of view. right : float Right coor