<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body><div><div style="font-family: Calibri,sans-serif; font-size: 11pt;">Dear Kalle,<br><br>Sure you can reproject your sources via MapProxy, that's exactly a prominent functionality of being a proxy of maps.<br><br>As you see from the example in the docs, you need to cascade two caches:<br><br> - the CRS-native cache<br> - the reprojection cache<br><br>In case you need to fetch only the reprojected data, there is no reason to store the tiles of both caches, hence to optimize performances (again as you see in the example) you should disable storage for the CRS-native cache.<br><br>Hth!<br>-Piero<br></div></div><div dir="ltr"><hr><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">From: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:mapproxy-request@lists.osgeo.org">mapproxy-request@lists.osgeo.org</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Sent: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">13/01/2016 21:00</span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">To: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:mapproxy@lists.osgeo.org">mapproxy@lists.osgeo.org</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Subject: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">MapProxy Digest, Vol 71, Issue 4</span><br><br></div>Send MapProxy mailing list submissions to<br> mapproxy@lists.osgeo.org<br><br>To subscribe or unsubscribe via the World Wide Web, visit<br> http://lists.osgeo.org/mailman/listinfo/mapproxy<br>or, via email, send a message with subject or body 'help' to<br> mapproxy-request@lists.osgeo.org<br><br>You can reach the person managing the list at<br> mapproxy-owner@lists.osgeo.org<br><br>When replying, please edit your Subject line so it is more specific<br>than "Re: Contents of MapProxy digest..."<br><br><br>Today's Topics:<br><br> 1. Question on transforming between different projections<br> (Kalle Last)<br><br><br>----------------------------------------------------------------------<br><br>Message: 1<br>Date: Wed, 13 Jan 2016 16:16:23 +0200<br>From: Kalle Last <kalle.last@gmail.com><br>To: mapproxy@lists.osgeo.org<br>Subject: [MapProxy] Question on transforming between different<br> projections<br>Message-ID:<br> <CAECDkWEag-ggqqBz0vF4sNOMRY35UdQrBU2UBEe9fhyTOztkSw@mail.gmail.com><br>Content-Type: text/plain; charset="utf-8"<br><br>Hi!<br><br>I'm writing an application that has to use maps from different sources. One<br>of the sources is a map rendering library that gives me a raster picture<br>when given the coordinates of the opposing corners of it in Mercator. The<br>other source is a regular WMS server that gives me raster tiles using<br>L-Est97 aka EPSG:3301 projection. My plan is to have the images from both<br>sources merged together to get some sort of an acceptable thingy without<br>having things too distorted.<br><br>Obviously, Mercator and L-Est are completely different and incompatible<br>projections so without some fancy tricks it's impossible to make this work.<br>Even if I convert the Mercator coordinates to L-Est and use those to make<br>the query from WMS, I'll still have slight errors due to the WMS raster<br>data using different projection.<br><br>I saw that mapproxy has something called reprojection. Am I correct to<br>assume that it can behave as a proxy between the original WMS service and<br>my application and actually transform the L-EST raster data to be Mercator<br>instead?<br><br>I found a brief description of it here but before I start investing my time<br>in it, I'd like to get a confirmation that it can actually do what I need.<br>http://mapproxy.org/docs/1.8.0/configuration_examples.html#reprojecting-tiles<br><br>-- <br>Kalle Last<br>-------------- next part --------------<br>An HTML attachment was scrubbed...<br>URL: <http://lists.osgeo.org/pipermail/mapproxy/attachments/20160113/35adebe2/attachment-0001.html><br><br>------------------------------<br><br>Subject: Digest Footer<br><br>_______________________________________________<br>MapProxy mailing list<br>MapProxy@lists.osgeo.org<br>http://lists.osgeo.org/mailman/listinfo/mapproxy<br><br>------------------------------<br><br>End of MapProxy Digest, Vol 71, Issue 4<br>***************************************<br></body></html>