Color pictures generally contain three times as much data as grayscale pictures, depending on what color representation scheme is used. You just might be able to change it using one of the hidden properties of the legend. Modify the legend appearance by setting legend properties. How to set different colors for the text in a legend matlab. Adding annotations, axis labels, titles, and legends to graphs. For example, create a bar chart, and save the figure as a pdf file containing vector graphics. Follow this post to change the color of the legend. As such, your legend command is applying the legend to the first three plots, all from the first call to plotgauss2d skipping some of your code, you can make your legend right by doing this. How can i make legend by colors learn more about matlab, legend. The axis color properties dont make any difference. By changing property values, you can modify certain aspects of the legend. If you want to change the width and height, then adjust the size of the content displayed in the figure. The default background color of a plot legend is white. Legend title settings are in the format legend pane on the options tab.
To add a legend title, set the string property of the legend text object. Learn more about legend, background, transparent matlab. No part of this manual may be photocopied or repro duced in any form. The default for bkgd is boxon, which displays the legend background and outline.
You can create each plot with a handle hi, of which you store only the. To change the title appearance, such as the font style or color, set legend text properties. Add legend to axes matlab legend mathworks deutschland. The plot browser provides a legend of all the graphs in the figure. You may receive emails, depending on your notification preferences. Legend does pick up line colors, styles, markers, and so on. To make a legend for lines which already exist on the axes via plot for instance, simply. I have recently generated a case where the legend box is opaque with respect to the left hand plots and transparent with respect to the right hand plots.
I will not say that it is impossible at the moment. You must have at least three plots in each plotgauss2d plot. For a custom color, specify an rgb triplet or a hexadecimal color code. Control the dimensions, resolution, and background color of saved figures. Save figure with specific size, resolution, or background color. Individual pixels contain a number or numbers representing what grayscale or color value is assigned to it. How do i make the background of a plot legend transparent. Follow 447 views last 30 days hassan on 21 jun 2011. Learn more about plot, color, legend, matlab, graphics. To add or modify the legend title, rightclick the legend in the contents pane and choose properties. Work with images in matlab digital image is composed of a two or three dimensional matrix of pixels. The background of a plot legend can be made transparent by setting the color property of the legend to none.