Good morning

Probably a simple tex question.

I often use this code to create a border around an exported map:

code tex-map

  \framethickness=0.5mm

From time to time (in the same compilation run) I insert one exported map into another using map-image and usually the inserted map should not have a border.

To date I have always arranged my layouts so that \framethickness is undefined while the initial map is exported, THEN set to 0.5 mm for the second map export.

It occurred to me that with my project arrangment it would be more convenient to set the border to 0.5 mm (in a global layout) and THEN reset it to zero or undefined in a layout specific to only one of the exports.

I have tried these two options:

code tex-map

  \framethickness={}

code tex-map

  \framethickness=0mm

The first causes error (pdftex exit code 1) and the second draws a 0.5 mm border around both maps.

How should I ‘turn off’ a map border if \framethickness has already been set?

Regards

Bruce