With EPSG:4326 the map is not rendered correctly. I think that the bounding box should

EPSG:3857 doesn't render the map correctly. about skinnywms HOT 6 CLOSED

ecmwf commented on August 21, 2024

EPSG:3857 doesn't render the map correctly.

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Comments (6)

sylvielamythepaut commented on August 21, 2024

I am not familiar with leaflet, then I had difficulty to try the projection .. Magics can understand projection coordinates .. I think I have just forgotten to set it in case of 3857 .. I will check that, not need for pyproj yet ! ( just trying to keep the dependancies minimum)

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sylvielamythepaut commented on August 21, 2024

Can you show me how you set the projection in leaflet ? I am not sure I got it right !

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edigiacomo commented on August 21, 2024

In this patch you can see how to explicitly set the projection in leaflet:

diff --git a/skinnywms/templates/leaflet_demo.html b/skinnywms/templates/leaflet_demo.html
index 0c22de5..f6f02b8 100644
--- a/skinnywms/templates/leaflet_demo.html
+++ b/skinnywms/templates/leaflet_demo.html
@@ -29,7 +29,7 @@
       let mymap = L.map('mapid', {
         center: [0, 0],
         zoom: 2,
-        crs: L.CRS.EPSG4326,
+        crs: L.CRS.EPSG3857
       });
 
       let background = L.tileLayer.wms('/wms?', {
@@ -37,7 +37,8 @@
           format: 'image/png',
           transparent: 'TRUE',
           attribution: '',
-          version: '1.3.0'
+          crs: L.CRS.EPSG3857,
+          version: '1.1.1'
         }).addTo(mymap);
 
       let layers = {};
@@ -47,7 +48,8 @@
           format: 'image/png',
           transparent: 'TRUE',
           attribution: '',
-          version: '1.3.0'
+          crs: L.CRS.EPSG3857,
+          version: '1.1.1'
         });
       });

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sylvielamythepaut commented on August 21, 2024

Great, Thanks..

I will try now ..
Hoping to fix it without to have to use pyproj .

I think I will also try to improve the leaflet demo then we can do more manual tests with projection, and version .

Sylvie

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sylvielamythepaut commented on August 21, 2024

Should be OK now ..

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edigiacomo commented on August 21, 2024

Thank you, I tested it works fine now!