Get the currently active canvas Returns None if there is no canvas available. A canvas is made active on initialization and before the draw e

Edges of the mesh Parameters ---------- indexed : str | None If indexed is None, return (Nf, 3) array of vertex in

Get a free region of given size and allocate it Parameters ---------- width : int Width of region to allocate

Return the Tk instance. Returns ------- tk.Tk The tk.Tk instance.

Return the commit id of *ref* in the git repository at *path*.

Calculate and show a histogram of data Parameters ---------- data : array-like Data to histogram. Currently only

Insert data before index Parameters ---------- index : int Index before which data will be inserted. dat

Check if any vertices or faces are defined.

Return the list of transforms along the path to another node. The transforms are listed in reverse order, such that the last transfo

Return a new Rect padded (smaller) by padding on all sides Parameters ---------- padding : float The padding.

Modify the set of GL state parameters to use when drawing. The arguments are forwarded to :func:`vispy.gloo.wrappers.set_state`. Thi

Reads a tuple of numbers. e.g. vertices, normals or teture coords.

renderScene - the OpenGL commands to render our scene.

Resize an image Parameters ---------- image : ndarray Array of shape (N, M, ...). shape : tuple 2-element shape.

Set the render-buffer size and format Parameters ---------- shape : tuple of integers New shape in yx order. A re

Resize this buffer (deferred operation). Parameters ---------- size : int New buffer size in bytes.

Increase the age of all items in the cache by 1. Items whose age is greater than self.max_age will be removed from the cache.

setUniformVariables - set the uniform shader variables we need

Make a canvas active. Used primarily by the canvas itself.

Set the scalar array data Parameters ---------- data : ndarray A 2D array of scalar values. The isocurve is const

Set the complete data for a single line strip. Parameters ---------- index : int The index of the line strip to b

Set the image data. Parameters ---------- image : array-like The image data. texture_format : str or None

Set the data used to display this visual. Parameters ---------- pos : array The array of locations to display eac

Set the data Parameters ---------- pos : list, tuple or numpy array Bounds of the region along the axis. len(pos)

Set the data Parameters ---------- vertices : ndarray, shape (Nv, 3) | None Vertex coordinates. tris : nd

Set data (deferred operation) Parameters ---------- data : ndarray Data to be uploaded copy: bool

Set the perspective Parameters ---------- fov : float Field of view. aspect : float Aspect ra

Set the view state of the camera Should be a dict (or kwargs) as returned by get_state. It can be an incomlete dict, in which case on

Compute the STFT Parameters ---------- x : array-like 1D signal to operate on. ``If len(x) < n_fft``, x will be zero-padded

Return an (N, 2) array of mouse coordinates for every event in the current mouse drag operation. Returns None if there is no current

Translate the matrix The translation is applied *after* the transformations already present in the matrix. Paramete

Translates the center point, and keeps it in bounds.

Enable context sharing for PyQt5 5.4+ API applications. This is disabled by default for PyQt5 5.4+ due to occasional segmentation faults and

Return the visual at a given position Parameters ---------- pos : tuple The position in logical coordinates to qu

Writes a tuple of numbers (on one line).

Factors less than zero zoom in, and greater than zero zoom out. If mouse_coords is given, the point under the mouse stays stationary

mode: string - "raw" (speed: fastest, size: small, output: ugly) - "agg" (speed: fast, size: small, output: beautiful)

x.__delitem__(y) <==> del x[y]

Apply a texture on a mesh.