答复: [maptiler] Set number of zoom levels

[张白玉]

May be you can add this code:

 

LocalMapType.prototype.maxZoom = 12;//max zoom

LocalMapType.prototype.minZoom = 4;//min zoom

 

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发件人: maptiler+bncbc52zlhax...@googlegroups.com [mailto:maptiler+bncbc52zlhax...@googlegroups.com] 代表 Wyler Yerrachione
发送时间: 2013年3月26日 16:45
收件人: mapt...@googlegroups.com
主题: [maptiler] Set number of zoom levels

 

How do I set the number of zoom levels to be created in map tiler?  It seems to be automated, but what if I went to manually affect the setting?  Currently I am only getting tiles for zoom levels 7, 8, and 9. 

 

Thanks!

Wyler.

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[Wyler Yerrachione]

Maybe I'm missing something - where would I add that code ?

On Tuesday, March 26, 2013 7:19:09 AM UTC-7, xin...@163.com wrote:

May be you can add this code:

 

LocalMapType.prototype.maxZoom = 12;//max zoom

LocalMapType.prototype.minZoom = 4;//min zoom

 

============================================

---

发件人: maptiler+bncbc52zlhaxeprbzu2y2fakgqee5pg6...@googlegroups.com [mailto:maptiler+bncbc52zlhaxeprbzu2y2fakgqee5pg6...@googlegroups.com] 代表 Wyler Yerrachione

发送时间: 2013年3月26日 16:45
收件人: mapt...@googlegroups.com
主题: [maptiler] Set number of zoom levels

[Petr Pridal]

Hi,

We will add selection of Zoom levels into one of new releases of the MapTiler under Mac.

A new updated release 0.3.1 has just been submitted to Apple for review - with several fixes and option for TMS tiling scheme for improved back-compatibility.

Regards,

Petr Pridal

Klokan Technologies GmbH

On Friday, April 5, 2013 12:13:03 PM UTC+2, Robert Fisch wrote:

I'm also interested in the answer ...

[Wyler Yerrachione]

How are the zoom levels available currently calculated?  By some resolution check against the starting raster?

[Klokan Petr Pridal]

Dear Wyler,

We documented the Spherical Mercator tile system used in Google Maps at:

http://www.maptiler.org/google-maps-coordinates-tile-bounds-projection/

The native zoom level is calculated from the resolution of the input 
raster (how many meters per pixel it has). Look at the "Map Scale" 
table in the documentation of Spherical Mercator from Microsoft: 
http://msdn.microsoft.com/en-us/library/bb259689.aspx 

By default a zoomlevel with the closest smaller resolution is used as 
the deepest one (maxz). The minimum zoom level (minz) is the one where 
whole input raster is not bigger then the area of one tile. 

Petr