ly_image {rbokeh}R Documentation

Add an "image" layer to a Bokeh figure

Description

Draws a grid of rectangles with colors corresponding to the values in z

Usage

ly_image(fig, z, rows, byrow = TRUE, x = 0, y = 0, dw = 1, dh = 1,
  palette = "Spectral10", dilate = FALSE, lname = NULL, lgroup = NULL)

Arguments

fig

Figure to modify.

z

A matrix or vector of image values.

rows

If z is a vector, how many rows should be used in treating it as a matrix.

byrow

If z is a vector, should it be turned into a matrix by row.

x

Lower left x coordinates.

y

Lower left y coordinates.

dw

Image width distances.

dh

Image height distances.

palette

Name of color palette to use for color ramp (see here for acceptable values).

dilate

Logical indicating whether to dilate pixel distance computations when drawing.

lname

Layer name.

lgroup

Layer group.

See Also

Other layer functions: ly_annular_wedge, ly_annulus, ly_arc, ly_bar, ly_bezier, ly_boxplot, ly_contour, ly_crect, ly_curve, ly_density, ly_hist, ly_image_url, ly_lines, ly_multi_line, ly_oval, ly_patch, ly_points, ly_polygons, ly_quadratic, ly_quantile, ly_ray, ly_rect, ly_segments, ly_text, ly_wedge

Examples

figure() %>%
  ly_image(volcano)

[Package rbokeh version 0.6.3 Index]