Generate text cloud from a given text-count pairs
text_gencloud(tag_text,tag_count) text_gencloud(tag_text,tag_count,x_spacing,y_spacing,sz_inc,colormap,isbold)
A (m x 1) string matrix of the text to generate text cloud
A (m x 1) double matrix correspond to the counts of the text appearance
Spacing between words in a row, in the range of 0.01 - 0.2
Spacing between words in col, in the range of 0.01 - 0.2
Size to increase or decrese for all words, in the range of 1 - 10
Colormap could be in 3 format, [r g b], color string such as "blue", and standard colormap such as hsvcolormap(64) etc.
To plot the text in bold, %t or %f
This function generate a text cloud base on given text and count.