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In MapInfo 10.0, how can I quickly colorize point symbols according to a field in the data table, without creating a new map? My data is just longitude, latitude and time, and I'd like to colorize the points according to the time field. This seems really basic but I can't find any way to do it.

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2 Answers 2

what i understand from your question is that you want to create points thematic,changes both symbol size and color.

you can do it as :

1.Map > Create Thematic Map

2.Select Point Ranges Default from template

3.Click Next and select a table and a field.

4.Select your Ranges...

The result will be sth. like this. you can more info here.

.

thematic map

i hope it helps you...

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I guess there's no easier way to do it? I'm debugging some code and it takes lots of clicks to create a new thematic map every time the data file changes. –  jjrv May 8 '12 at 10:07
    
I mean, can I make the symbol color depend on data in the current map, and for example quickly try colorizing it according to different fields, without creating a new map every time? –  jjrv May 8 '12 at 10:12
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Assuming it is the time field specifically you are having trouble with, I would suggest following the instructions at http://reference.mapinfo.com/software/mapinfo_pro/english/10/MapInfoProfessionalUserGuide.pdf on page 175.

Specifically, you need to explicitly convert your data type to "Time/Date" in "Table Maintenance" and the text needs to be in the following format:

  • Date: yyyyMMdd
  • Time: HHmmssfff
  • DateTime: yyyyMMddHHmmssfff
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