Rotate a Point instance using this quaternion.

Set the volume data. Parameters ---------- vol : ndarray The 3D volume. clim : tuple Colormap

Set the faces Parameters ---------- faces : ndarray (Nf, 3) array of faces. Each row in the array contains

Set to a 3D transformation matrix that maps points1 onto points2. Parameters ---------- points1 : array-like, shape (4, 3)

Set the mesh vertices Parameters ---------- verts : ndarray | None The array (Nv, 3) of vertex coordinates.

Do the triangulation.

update marker colors, and highlight a marker with a given color

Let Vispy use the target OpenGL ES 2.0 implementation Also see ``vispy.use()``. Parameters ---------- target : str The targe

Write mesh data to file. Parameters ---------- fname : str Filename to write. Must end with ".obj" or ".gz". vertices : array

Zoom in (or out) at the given center Parameters ---------- factor : float or tuple Fraction by which the scene sh

mode: string - "raw" (speed: fastest, size: small, output: ugly, no dash, no thickness) - "agg" (speed: medium,

Rebuild the vertex buffers for the subdivide method.

Utility to search for imageio or PIL

Test the color of each quadrant by picking the center pixel of each quadrant and comparing it with the reference color.

Get a representative array with an initial shape. Data will be filled in and the texture resized later.

Called when a filter should be detached from a visual. Parameters ---------- visual : instance of Visual The visu

Filter DATA/SIZE commands that are overridden by a SIZE command.

Return a dictionary containing, for each edge in self.edges, a list of the positions at which the edge should be split.

Helper for the vispy config file

Helper to extract list of mods from event

Convert Nx3 or Nx4 hsv to rgb

New program was added to the multiprogram; update items in the shader.

Assign a clipper that is inherited from a parent node. If *clipper* is None, then remove any clippers for *node*.

Internal method for set_data.

Called by subclasses to configure the viewbox scene transform.

Helper to store and check current (from, to) maps against new ones being provided. The new mappings are only applied if a change has o

Decide which method to use for *view* and configure it accordingly.

Convert color(s) from any set of fmts (str/hex/arr) to RGB(A) array

Activate/use this frame buffer.

Backport

Get the bounds of the Visual Parameters ---------- axis : int The axis. view : instance of VisualView

The clipping boundaries. This must be a tuple (x, y, w, h) in a clipping coordinate system that is defined by the `transform` propert

Connect the callback to the event group. The callback will receive events from *all* of the emitters in the group. See :func:`EventEm

The OpenGL context of the native widget It gives access to OpenGL functions to call on this canvas object, and to the shared context

createShader - create, load, compile and link the shader object

Stop using this frame buffer, the previous framebuffer will be made active.

Callback when the window gets closed. Destroy the VisPy canvas by calling close on it.

Downcast to 32bit dtype if necessary.

Draw a 2D texture to the current viewport Parameters ---------- tex : instance of Texture2D The texture to draw.

Add a final message; flush the message list if no parent profiler.

When using OSMesa, the gl functions (from libGL) are included in libOSMesa.so. This function modifies the VISPY_GL_LIB env variable so gl

Flush commands. Call this after setting to context to current.

Transform linear RGB values to nonlinear RGB values. Rec. 709 is ITU-R Recommendation BT. 709 (1990) ``Basic Parameter Values for the HDT

Computes view matrix based on angle, distance and target.

Get the axis-angle representation of the quaternion. (The angle is in radians)