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The little box with horizontal white lines and a capital A in the corner is the text box. You can use it to annotate a diagram. The default background colour is white with a black border. It is usually better to change to a clear background with no border. A couple of points should be noted. Keep the font simple.
An axial color gradient, with a white line segment connecting the two points. An axial color gradient (sometimes also called a linear color gradient) is specified by two points, and a color at each point. The colors along the line through those points are calculated using linear interpolation, then extended perpendicular to that line.
Heat map generated from DNA microarray data reflecting gene expression values in several conditions A heat map showing the RF coverage of a drone detection system. A heat map (or heatmap) is a 2-dimensional data visualization technique that represents the magnitude of individual values within a dataset as a color.
The test chart shows the full 8-bit, 256 levels of the red, green, and blue primary colors and cyan, magenta, and yellow complementary colors, along with a full 8-bit, 256 levels grayscale. Gradients of RGB intermediate colors (orange, lime green, sea green, sky blue, violet and fuchsia), and a full hue spectrum are
The test chart shows the full 256 levels of the red, green, and blue (RGB) primary colors and cyan, magenta, and yellow complementary colors, along with a full 256-level grayscale. Gradients of RGB intermediate colors (orange, lime green, sea green, sky blue, violet, and fuchsia), and a full hue spectrum are also present.
Yellow is commonly used for the lighter end of the progression due to its natural apparent lightness. Common hue ranges are yellow-green-blue and yellow-orange-red. Divergent or bi-polar progression is essentially two sequential color progressions (of the types above) joined with a common light color or white. They are normally used to ...
Fireworks over Miami on American Independence Day show the red, white and blue color scheme connoting the Flag of the United States. Bank of America Tower is also lit in the same color scheme. Connotative color schemes use colors that reference a specific cultural meaning. Red and green color schemes are connotative of Christmas.
The Google Chart API allows a variety of graphs to be created. Livegap Charts creates line, bar, spider, polar-area and pie charts, and can export them as images without needing to download any tools. Veusz is a free scientific graphing tool that can produce 2D and 3D plots. Users can use it as a module in Python.