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<p>Hello Ian,<br>
<br>
To seed extra zoom levels from the WebMercator grid, you need to expand the grid. The Num_levels parameter defines additional zoom levels. You can access the grid later in the seed process.<br>
<br>
example:<br>
grids:<br>
webmercator:<br>
base: GLOBAL_WEBMERCATOR<br>
origin: nw<br>
num_levels: 20</p>
<p><br>
</p>
<p>Give it a try.<br>
<br>
Best regards</p>
<p><br>
</p>
<p>Rob<br>
</p>
<div class="moz-cite-prefix">Am 28.02.19 um 03:14 schrieb Ian Reese:<br>
</div>
<blockquote type="cite" cite="mid:CE106C36F836424AB340432214B378BA2F3B6EDC@prdassexch01.ad.linz.govt.nz">
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<div>Hi MapProxy,</div>
<div><br>
</div>
<div>I'm using:<br>
</div>
<div><br>
</div>
<div>mapproxy-util --version<br>
MapProxy 1.11.0</div>
<div>Ubuntu 16.04</div>
<div><br>
</div>
<div>When attempting a dry run using maproxy util. <br>
</div>
<div><br>
</div>
<div>time mapproxy-seed --dry-run -f ~/maptiles.test.yml -s ~/seeds.test.yml --progress-file .mapproxy_seed_pgress</div>
<div><br>
</div>
<div>I am hoping to get a rough count of tiles produced for Zoom 20 in GLOBAL_WEBMERCATOR.</div>
<div><br>
</div>
<div>MAPTILES GRID CONFIG:</div>
<div><br>
</div>
<div>grids:<br>
GLOBAL_WEBMERCATOR:<br>
srs: EPSG:3857<br>
origin: nw<br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>SEED CONFIG:<br>
</div>
<div><br>
</div>
<div> test_main:<br>
caches: [cache_web_mercator_testing]<br>
grids: [GLOBAL_WEBMERCATOR]<br>
coverages: [nz_mainland]<br>
levels: [20]</div>
<div><br>
</div>
<div>All dry runs work fine until zoom 20 and above. At Zoom 20 I get an error: <br>
</div>
<div><br>
</div>
<div>========== Seeding tasks ==========<br>
Start seeding process (1 task)<br>
test_main:<br>
Seeding cache 'cache_web_mercator_testing' with grid 'GLOBAL_WEBMERCATOR' in EPSG:3857<br>
Limited to coverage in: 165.42907, -47.85948, 179.37452, -33.43041 (EPSG:4326)<br>
Levels: []<br>
Overwriting: no tiles<br>
Traceback (most recent call last):<br>
File "/usr/local/bin/mapproxy-seed", line 11, in <module><br>
sys.exit(main())<br>
File "/usr/local/lib/python2.7/dist-packages/mapproxy/seed/script.py", line 361, in main<br>
return SeedScript()()<br>
File "/usr/local/lib/python2.7/dist-packages/mapproxy/seed/script.py", line 246, in __call__<br>
skip_geoms_for_last_levels=options.geom_levels)<br>
File "/usr/local/lib/python2.7/dist-packages/mapproxy/seed/seeder.py", line 495, in seed<br>
seed_progress=seed_progress)<br>
File "/usr/local/lib/python2.7/dist-packages/mapproxy/seed/seeder.py", line 514, in seed_task<br>
seed_progress=seed_progress)<br>
File "/usr/local/lib/python2.7/dist-packages/mapproxy/seed/seeder.py", line 290, in __init__<br>
self.report_till_level = task.levels[num_seed_levels-1]<br>
IndexError: list index out of range<br>
</div>
<div><br>
</div>
<div>If I hard code the resolutions to the GLOBAL_MERCATOR grid config:</div>
<div><br>
</div>
<div>grids:<br>
GLOBAL_WEBMERCATOR:<br>
srs: EPSG:3857<br>
origin: nw</div>
<div> res: [156543.03, 78271.52, 39135.76, 19567.88, 9783.94, 4891.97, 2445.98, 1222.99, 611.50, 305.75, 152.87, 76.44, 38.22, 19.11, 9.55, 4.78, 2.39, 1.19, 0.60, 0.30, 0.15, 0.07]</div>
<div><br>
</div>
<div>The error goes away, however I get vastly different tile counts.</div>
<div><br>
</div>
<div>I have come across this error for years now. I am writing to ask if there is a hard limit on GLOBAL_WEBMERCATOR or if this is a bug in MapProxy? I really need to be able to seed to zoom 20.</div>
<div><br>
</div>
<div>Cheers,</div>
<div><br>
</div>
<div>Ian<br>
</div>
</div>
<br>
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