[mapserver-users] Upside Down labelling - Rotate Line text 180 degrees

[Stephen Woodbridge]

On 2/19/2019 4:08 AM, Martin Svend Hagerup wrote:
> Hi all
> Using Mapserver to produce maps for navigation applications we need to 
> be able to rotate the road labels 180 degrees on the map so when the 
> driver is driving south he/she will see the map upside down
> In an ideal world the line segments labels should follow any curvature 
> but still be readable when the map is shown upside down.
> Points labels are just rotated 180 - this should is easy – but I want 
> to use the many benefits of Angle Auto if possible
> Cheers
> Martin Hagerup, Copenhagen

Steve Lime,

When we worked this out years ago it was before you could rotate the map 
and I think the algorithm used assume map up was north. we probably need 
to make an adjustment if the map is rotated.

-Steve W

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