[Qgis-user] create polygon: underlying image is covered

[Carlos Cerdán]

Ja ja,I thought this was an issue to fix in 2.4.

Thank you André for your answer... and thank you Thomas for asking.

Carlos

2014-06-17 22:52 GMT-05:00 Andre Joost <andre+joost at nurfuerspam.de>:

> Am 17.06.2014 23:19, schrieb Thomas Recknagel:
>
>  I want to vectorize land forms from an ortho image, so I make a new
>> polygon shape file and create new objects inside it. When I follow the
>> outline of the land form, I have the problem that the new polygon covers
>> the underlying layer (it is red and only slightly transparent), so I
>> cant see the structures of the ortho image anymore. Is there a way to
>> create new polygons, but only have the border of the polygon drawn while
>> creating it? I couldnt find such an option in QGIS.
>>
>
> Settings -> Options -> Digitizing
>
> You can change the colour of the rubber line. I have changed the alpha
> channel to 100.
>
> HTH,
> André Joost
>
>
>
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