[Qgis-user] printing scale of fill patterns to great

[Wolf-E. Altmann]

Am 24.05.2011 12:13, schrieb Wolf-E. Altmann:
> Am 24.05.2011 12:06, schrieb Andreas Neumann:
>> Hi again,
>>
>> You can also print SVG patterns to PDF, but you have to rasterize the 
>> map. In the print composer in the general options use the checkbox 
>> "Print as Raster" and select an appropriate DPI. You will get a PDF 
>> with an embedded raster then. Not ideal I know.
>>
>> The bug fixing is in the works, but quite complicated, since the bug 
>> is in the underlying qt pdf/svg libraries.
>>
>> Andreas
>>
>> On Tue, 24 May 2011 11:47:51 +0200, Wolf-E. Altmann wrote:
>>> Am 24.05.2011 11:20, schrieb Andreas Neumann:
>>>> Hi Wolf,
>>>>
>>>> We need to know a bit more details to help you.
>>>>
>>>> In QGIS there are two types of patterns: SVG patterns or predefined 
>>>> patterns. They behave different. Which patterns are you using?
>>>>
>>>> Patterns are unfortunately still problematic. The predefined 
>>>> patterns don't print well, in fact the predefined patterns should 
>>>> be removed from QGIS in a future version. The SVG patterns print 
>>>> fine if you print to raster or to postscript. They don't print well 
>>>> if you export to PDF. This is a known bug in QT.
>>>>
>>>> As to scaling of SVG patterns: you can define the patterns in map 
>>>> units (in which case they scale with zooming) or in mm in which 
>>>> they stay in constant size, regardless of the zoom factor.
>>>>
>>>> Hope this helps?
>>>>
>>>> Andreas
>>>>
>>>> On Tue, 24 May 2011 11:02:28 +0200, Wolf-E. Altmann wrote:
>>>>> Hello,
>>>>>
>>>>> i am using Qgis 1.6. I want to print a map using fill patterns. On
>>>>> the screen it looks ok, when i change the map scale, the scale of the
>>>>> fill patterns looks all the time the same. But when i print it, the
>>>>> fill pattern is very big. When i change the map scale, also the
>>>>> printed pattern changes. But nevertheless using the scales 1 : 
>>>>> 5000 or
>>>>> 1 : 10000 the pattern is very big.
>>>>> I tried it with various fill patterns, and the effect is the same.
>>>>>
>>>>> Can someone help me?
>>>>>
>>>>> Wolf
>>>>>
>>>>> (Sorry for my English)
>>>>> _______________________________________________
>>>>> Qgis-user mailing list
>>>>> Qgis-user at lists.osgeo.org
>>>>> http://lists.osgeo.org/mailman/listinfo/qgis-user
>>>>
>>> Hi Andreas,
>>>
>>> first I thank for the quick answer and your help.
>>>
>>> Really I used the predefined patterns. But then also I tried the
>>> SVG-pattern and the result was not very sharp. But I controlled it
>>> only by PDF. So I will print it.
>>>
>>> Wolf
>>
> Hi Andreas,
>
> I thank you for your help.
>
> I tried to play a little with defining the SVG-patterns i map units 
> and in mm. I have the feeling, that "mm" also scales with zooming. Can 
> it be or I am wrong?
>
> Wolf
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Hi Andreas,

I am sorry, it was a mistake. Defining SVG-patterns in "mm" don't scales 
by zooming.

Wolf