[Tilesathome] Black tiles

Jens Müller blog at tessarakt.de
Thu Feb 12 07:50:18 GMT 2009 

Stephan schrieb:
> Jens Müller wrote:
>  > I'm using the latest SVN version of T at H. I get black tiles in every job
>  > (except those which fail for other reasons ...).
> 
> I had similar problems until the SVG problems had been fixed. Now only 
> 1239 1516 produces black on Z17. I don't spot the bug there. Others 
> render fine.
> 
> Try setting "Debug=1" in your config.
> Is there output about corrupted SVG again?

$ ./tilesGen.pl
- Using working directory /tmp
- Pngcrush version 1.6.10
- pngnq version 0.5
- Java version 1.6 is available
- ImageMagick version 6.4.4 (lowzoom disabled)
- rendering using or/p
- Using http://server.tah.openstreetmap.org/Request/take/ for Requests
This is version 13020 (Trondheim) of tilesgen running on linux, ID: 12288
- rasterizing using SVG::Rasterize::Engine::Batik
[#1   0% ] Retrieving next job...
Request string from server:
OK|5|891|1300|12|tile,maplint,captionless|1230616781|629474|4
[#1   0% ] Got work from the server: tile,maplint,captionless
(12,891,1300)...
[#1   0% ] Tileset (12,891,1300) around 54.75,-101.65
[#1   0% Download] Downloading map data for tile,maplint,captionless
from ROMA...
Downloading:
http://api1.osm.absolight.net:8080/api/0.5/map?bbox=-101.733398,54.715997,-101.557617,54.783969
[#1   0% Download] Download of data complete
[#1   0% Download] Checking for UTF-8 errors...
[#1   0% Download] Download in 1 sec
[#1   0% tile] Running close-areas (perl close-areas.pl 891 1300 12 <
/tmp/12_891_1300_Zrauw/data.osm >
/tmp/12_891_1300_Zrauw/dataclose-areas.osm)...
[#1   0% tile] Running area-center...
[#1   0% tile-z12] Generating SVG file...
[#1   0% tile-z12] Transforming zoom level 12 with or/p...
[#1   0% tile-z12] Beziercurvehinting zoom level 12...
[#1   0% tile-z12] SVG done
[#1   0% tile-z12] Rendering...
[#1   0% tile-z12] Splitting stripe 0...
[#1 100% tile-z12] Writing tile 891 1300...
[#1 100% tile-z12] ColorQuantizing tile_12_891_1300.png...
[#1 100% tile-z12] Optimizing tile_12_891_1300.png...
[#1   0% tile-z13] Generating SVG file...
[#1   0% tile-z13] Transforming zoom level 13 with or/p...
[#1   0% tile-z13] Beziercurvehinting zoom level 13...
[#1   0% tile-z13] SVG done
[#1   0% tile-z13] Rendering...
[#1   0% tile-z13] Splitting stripe 0...
[#1  25% tile-z13] Writing tile 1782 2600...
removing job dir /tmp/12_891_1300_Zrauw

[#1  25% tile-z13] Putting job (12,891,1300) back due to 'SplitTiles:
Black Tile encountered'
[#1  25% tile-z13] SplitTiles: Black Tile encountered
Waiting before new tile is requested: sleeping 15 seconds
[#1  25% tile-z13] you may safely press Ctrl-C now if you want to exit
tilesGen.pl
: sleeping 60 seconds
^C
jens at fairtrade ~/devel/tilesAtHome $





And another one:

jens at fairtrade ~/devel/tilesAtHome $ ./tilesGen.pl



- Using working directory /tmp



- Pngcrush version 1.6.10



- pngnq version 0.5



- Java version 1.6 is available



- ImageMagick version 6.4.4 (lowzoom disabled)



- rendering using or/p



- Using http://server.tah.openstreetmap.org/Request/take/ for Requests



This is version 13020 (Trondheim) of tilesgen running on linux, ID:
12288


- rasterizing using SVG::Rasterize::Engine::Batik



[#1   0% ] Retrieving next job...



Request string from server:
OK|5|672|1451|12|tile,maplint,captionless|1227877820|1138276|4


[#1   0% ] Got work from the server: tile,maplint,captionless
(12,672,1451)...


[#1   0% ] Tileset (12,672,1451) around 46.35,-120.89



[#1   0% Download] Downloading map data for tile,maplint,captionless
from ROMA...


Downloading:
http://api1.osm.absolight.net:8080/api/0.5/map?bbox=-120.981445,46.306270,-120.805664,46.387568


[#1   0% Download] Download of data complete



[#1   0% Download] Checking for UTF-8 errors...



[#1   0% Download] Download in 4 sec



[#1   0% tile] Running close-areas (perl close-areas.pl 672 1451 12 <
/tmp/12_672_1451_4SThi/data.osm >
/tmp/12_672_1451_4SThi/dataclose-areas.osm)...

[#1   0% tile] Running area-center...



[#1   0% tile-z12] Generating SVG file...



[#1   0% tile-z12] Transforming zoom level 12 with or/p...



[#1   0% tile-z12] Beziercurvehinting zoom level 12...



[#1   0% tile-z12] SVG done
[#1   0% tile-z12] Rendering...
[#1   0% tile-z12] Splitting stripe 0...
[#1 100% tile-z12] Writing tile 672 1451...
[#1 100% tile-z12] ColorQuantizing tile_12_672_1451.png...
[#1 100% tile-z12] Optimizing tile_12_672_1451.png...
[#1   0% tile-z13] Generating SVG file...
[#1   0% tile-z13] Transforming zoom level 13 with or/p...
[#1   0% tile-z13] Beziercurvehinting zoom level 13...
[#1   0% tile-z13] SVG done
[#1   0% tile-z13] Rendering...
[#1   0% tile-z13] Splitting stripe 0...
[#1  25% tile-z13] Writing tile 1344 2902...
[#1  25% tile-z13] ColorQuantizing tile_13_1344_2902.png...
[#1  25% tile-z13] Optimizing tile_13_1344_2902.png...
[#1  50% tile-z13] Writing tile 1345 2902...
[#1  50% tile-z13] ColorQuantizing tile_13_1345_2902.png...
[#1  50% tile-z13] Optimizing tile_13_1345_2902.png...
[#1  75% tile-z13] Writing tile 1344 2903...
[#1  75% tile-z13] ColorQuantizing tile_13_1344_2903.png...
[#1  75% tile-z13] Optimizing tile_13_1344_2903.png...
[#1 100% tile-z13] Writing tile 1345 2903...
[#1 100% tile-z13] ColorQuantizing tile_13_1345_2903.png...
[#1 100% tile-z13] Optimizing tile_13_1345_2903.png...
[#1   0% tile-z14] Generating SVG file...
[#1   0% tile-z14] Transforming zoom level 14 with or/p...
[#1   0% tile-z14] Beziercurvehinting zoom level 14...
[#1   0% tile-z14] SVG done
[#1   0% tile-z14] Rendering...
[#1   0% tile-z14] Splitting stripe 0...
[#1   6% tile-z14] Writing tile 2688 5804...
[#1   6% tile-z14] ColorQuantizing tile_14_2688_5804.png...
[#1   6% tile-z14] Optimizing tile_14_2688_5804.png...
[#1  13% tile-z14] Writing tile 2689 5804...
[#1  13% tile-z14] ColorQuantizing tile_14_2689_5804.png...
[#1  13% tile-z14] Optimizing tile_14_2689_5804.png...
[#1  19% tile-z14] Writing tile 2690 5804...
[#1  19% tile-z14] ColorQuantizing tile_14_2690_5804.png...
[#1  19% tile-z14] Optimizing tile_14_2690_5804.png...
[#1  25% tile-z14] Writing tile 2691 5804...
[#1  25% tile-z14] ColorQuantizing tile_14_2691_5804.png...
[#1  25% tile-z14] Optimizing tile_14_2691_5804.png...
[#1  31% tile-z14] Writing tile 2688 5805...
removing job dir /tmp/12_672_1451_4SThi

[#1  31% tile-z14] Putting job (12,672,1451) back due to 'SplitTiles:
Black Tile encountered'
[#1  31% tile-z14] SplitTiles: Black Tile encountered
Waiting before new tile is requested: sleeping 15 seconds


The zipped folder is here:

http://blog.tessarakt.de/wp-content/uploads/2009/02/12_672_1451_4sthi.zip




> does it happen with xy 1 1 12 also?

No, that one worked ...

> What Batik version are you using?

$ eix batik
[I] dev-java/batik
     Available versions:  (1.6)  1.6-r3
        {doc elibc_FreeBSD python tcl}
     Installed versions:  1.6-r3(1.6)(22:24:17 12.07.2008)(python -doc
-elibc_FreeBSD -tcl)
     Homepage:            http://xml.apache.org/batik/
     Description:         Java based SVG toolkit

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