I can think of two possible solutions:
1 Create a buffer around you lines, with the width based on a field in your
table.
or
2. If you are using MapInfo with the line width specified in points, I think
you can set the width based on a field (either native to MapInfo or via an
MBX).
Help should explain the nuts and bolts of how to do this.
Good luck
Mark Knudsen
-----Original Message-----
From: Quan, Sheila <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Tuesday, 7 March 2000 21:43
Subject: MI Re: Mapping Line Widths
>Hiya guys .... I need some help please!
>
>I have a MI table which displays design lines. These are straight lines
>which connect the origin point to the destination point. What I would like
>to do is to be able to map the number of people living at each of the
origin
>points by the actual number rather than range. So for example, if there is
>1 person living at origin A and 10 people living at origin B, then the
>design line for origin A should be 1/10th the width of the design line for
>origin B.
>
>Looking at the various options available under Thematic Mapping, if one
>uses:
> 1. - ranges, MI does not map by actual value but forces lines
>into specific bands
> 2. - individual, MI does not map by size
> 3. - graduated, it only works for symbols and not lines
>
>Any ideas other than manually editing the width of the lines which gets a
>bit tedious.
>
>Thanks
>
>Sheila Quan
>Senior GIS Consultant
>Steer Davies Gleave
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