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[mkgmap-dev] New branch for default typ file

From Gerd Petermann gpetermann_muenchen at hotmail.com on Mon Dec 9 15:14:20 GMT 2019

Hi Nick,

my understanding is that you always have another water polygon, either ocean or natural=water.

Gerd

________________________________________
Von: Pinns UK <osm at pinns.co.uk>
Gesendet: Montag, 9. Dezember 2019 16:04
An: Gerd Petermann; mkgmap-dev at lists.mkgmap.org.uk
Betreff: Re: AW: [mkgmap-dev] New branch for default typ file

Hi Gerd

In case of 2) you need 2 polygons for doing each job; one showing
'water' and the other one not

Ideally,    mkgmap checks if islands are in a 'bay' area

In my area we have lots of natural=bays ; fortunately they do not
include islands

On 09/12/2019 14:51, Gerd Petermann wrote:
> Hi,
>
> thanks for the help.
> I see two ways to handle the a polygon with natural=bay:
> 1) in ponts style with natural=bay & name=*  [....]
> 2) in polygons (as it is now) with natural=bay [0x3d resolution 18]
>
> In case of 1) we just need option add-pois-to-areas
> In case of 2) we would want to render the water area covered by the bay polygon different, but not anything on the land or on islands. Would that be possible?
>
> Gerd
>
>
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Pinns UK <osm at pinns.co.uk>
> Gesendet: Montag, 9. Dezember 2019 15:42
> An: mkgmap-dev at lists.mkgmap.org.uk
> Betreff: Re: [mkgmap-dev] New branch for default typ file
>
> Andrzej is correct about how transparency is defined
>
> Garmin regards all polygons with transparency  as bitmaps and therefore
> require 2 colours.
>
> The Bitmap need to be shown below the xpm
>
> If a polygon is completely transparent then a second 'dummy' colour is
> still needed
>
> Xpm="32 32 2 1"
> "0 c none"
> "1 c #C8C8C8"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> "00000000000000000000000000000000"
> ;12345678901234567890123456789012
> [end]
>
> On 09/12/2019 14:19, Andrzej Popowski wrote:
>> Hi Gerd,
>>
>> I use TypViewer for creating typ files and I don't know XPM details.
>> But looking at TypViewer output, I guess that transparent pixels are
>> defined with color like that:
>>
>> "  c none"
>>
>> where space ' ' is used for marking pixels.
>>
>> Changing draw order instead of transparent graphics could be a
>> solution too, but I'm not sure if covered polygon label would remain
>> visible. And without label, there is not much use of this object.
>>
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> mkgmap-dev at lists.mkgmap.org.uk
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