Better support for hatched fills
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Key: GEOS-2548
URL: http://jira.codehaus.org/browse/GEOS-2548
Project: GeoServer
Issue Type: Improvement
Reporter: Andrea Aime
Assignee: Andrea Aime
Fix For: 1.7.3
In many european states the law mandates the usage of hatching (http://en.wikipedia.org/wiki/Hatching) for filling up polygons, using various styles of lines, usually diagonal, sometimes hor/ver, sometimes crossed. The color and line width may vary as well.
The only way to support this atm is to create a png/gif image that properly tiles up, but it's cumbersome to follow as the number of options considered grows.
Using markers (dyn symbolizers to the rescue) instead we can control color and line thickness, and provide a set of markers covering the most commonly used line orientations and arrangements (hor/vert/slash/backslash/cross/x). Markers also allow to control how close lines are, just a matter of changing the marker size.
What we cannot control fully is dasharrays, if one is used, it has to complete a fully cycle within the tile to look good overall, something which is not easy for diagonal fills (and does not allow for dasharray patterns longer than the chosen tile size).
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[ http://jira.codehaus.org/browse/GEOS-2548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Justin Deoliveira reopened GEOS-2548:
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re-opening to update priority for inclusion on road map.
Better support for hatched fills
--------------------------------
Key: GEOS-2548
URL: http://jira.codehaus.org/browse/GEOS-2548
Project: GeoServer
Issue Type: Improvement
Reporter: Andrea Aime
Assignee: Andrea Aime
Fix For: 1.7.2
In many european states the law mandates the usage of hatching (http://en.wikipedia.org/wiki/Hatching) for filling up polygons, using various styles of lines, usually diagonal, sometimes hor/ver, sometimes crossed. The color and line width may vary as well.
The only way to support this atm is to create a png/gif image that properly tiles up, but it's cumbersome to follow as the number of options considered grows.
Using markers (dyn symbolizers to the rescue) instead we can control color and line thickness, and provide a set of markers covering the most commonly used line orientations and arrangements (hor/vert/slash/backslash/cross/x). Markers also allow to control how close lines are, just a matter of changing the marker size.
What we cannot control fully is dasharrays, if one is used, it has to complete a fully cycle within the tile to look good overall, something which is not easy for diagonal fills (and does not allow for dasharray patterns longer than the chosen tile size).
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