Fuzzy string matching and geocoding

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One of the biggest problems encountered when trying to geocode a table is how to handle variations in spelling and naming between points. Databases are often messy, filled with spelling and typing mistakes – and this makes it impossible to simply match one table against another. That’s when we need to resort to the concept […]

Alpha Shapes for MapInfo

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One recurring question which pops up on the MapInfo mailing list relates to creating a polygon which encloses a set of objects.  While this can sometimes be achieved with a Convex Hull, the results aren’t always that useful. For example, take a bunch of points in the shape of the letter A: Using the standard Convex […]

Better Dialogs in MapBasic

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Any easy way to add some extra polish to MapBasic applications is to switch from using the MapBasic Note and Ask commands to standard Windows message boxes. While the Note command is handy for quickly giving feedback to a user, there’s zero options for customising the dialogs. Let’s see what we can do about that. We’ll […]