GeoTools

Allow continuation of graphic fill (hatch pattern) across tile borders

Details

  • Type: Improvement Improvement
  • Status: Resolved Resolved
  • Priority: Major Major
  • Resolution: Fixed
  • Affects Version/s: 2.7.2
  • Fix Version/s: 2.7.3, 8.0-M2
  • Component/s: render
  • Labels:
    None

Description

When drawing a graphic fill on an image, the upper-left corner of the image is used as the origin for the graphic pattern, causing 'jumps' across tile borders.

see also: http://www.mail-archive.com/geotools-gt2-users@lists.sourceforge.net/msg12561.html

Issue Links

depends upon

Bug - A problem which impairs or prevents the functions of the product. GEOS-1191 Pattern fills do not align properly in tiled maps

  • Major - Major loss of function.
  • Closed - The issue is considered finished, the resolution is correct. Issues which are not closed can be reopened.

Activity

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Jan De Moerloose added a comment -
I fixed it by passing an anchor point to the StyledShapePainter (using a Graphics2D hint).

The anchor point is simply the tx,ty parameters of the world-to-screen transformation, which means the pattern's origin is aligned width the world origin (if i'm thinking clearly)
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Jan De Moerloose added a comment - I fixed it by passing an anchor point to the StyledShapePainter (using a Graphics2D hint). The anchor point is simply the tx,ty parameters of the world-to-screen transformation, which means the pattern's origin is aligned width the world origin (if i'm thinking clearly)
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Andrea Aime added a comment -
Thanks for the contribution. I'll have a look at it during the weekend.
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Andrea Aime added a comment - Thanks for the contribution. I'll have a look at it during the weekend.
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Andrea Aime added a comment -
Patch works just fine, nice!
Thanks a lot for the contribution.

Patch applied on 2.7.x and trunk
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Andrea Aime added a comment - Patch works just fine, nice! Thanks a lot for the contribution. Patch applied on 2.7.x and trunk
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Jan De Moerloose added a comment -
Wow, that's fast ! Thanks, Andrea !
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Jan De Moerloose added a comment - Wow, that's fast ! Thanks, Andrea !
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Andrea Aime added a comment -
I look at contribution on weekends when I have some time (not all weekends I do). By posting the patch on Friday you got lucky :)
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Andrea Aime added a comment - I look at contribution on weekends when I have some time (not all weekends I do). By posting the patch on Friday you got lucky :)

People

  • Assignee:
    Andrea Aime
    Reporter:
    Jan De Moerloose
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Dates

  • Created:
    Updated:
    Resolved: