For this example, leave the default selections. You can also select the colors and data ranges to use, including the number of classes into which you would like to divide the data.
For this example, leave these options blank.
The following example demonstrates how to combine a map server feature set for the state of Maryland with the Lyme data set included with Epi Info to create a choropleth map. The color gradient typically spans from one color to another or from a lighter to darker shade of the single color.
Trims any spaces from the start of str and returns result. Returns the number of characters in a string. Returns the first num characters of the string str. Returns a lowercase version of the string str. To start search at beginning, use a num value of one (1). Returns the position where str2 was found, or zero if not found. Searches the string str1 starting at character position num, and looks for an occurrence of the string str2. This function is simpler to use than Format$, but it gives you less control over formatting (e.g. Returns a string representing a formatted number. Reverses the effect of the FormatNumber$ function, returning a string that does not include thousands separators.
Returns a character that corresponds to a character code (e.g. The string functions from the MapInfo help are documented below, and an example of using a few of these string functions for selecting and manipulating a GIS dataset is presented. MapInfo has a range of string (text) functions that offer the user excellent query and text manipulation opportunities.