Error in visualisation of map in different CRS

41 views
Skip to first unread message
Assigned to surendhar.d...@geosolutionsgroup.com by lorenzo...@geosolutionsgroup.com

Krishna Lodha

unread,
May 28, 2024, 5:10:05 AMMay 28
to mapstore-users
I'm trying to add `EPSG:6708` to my CRS system and I grabbed bounds and proj definition from https://epsg.io/6708 . 
{
"code": "EPSG:6708",
"def": "+proj=utm +zone=33 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs",
"extent": [
-331278.39182019, 3884128.41246344, 802757.85485572, 5224005.23112021
],
"worldExtent": [5.93, 34.76, 18.99, 47.1]
}

but instead of showing OSM of Italy, it is showing somalia. 
What might be the cause of this ? 


Renzo Carlucci

unread,
May 29, 2024, 1:29:47 AMMay 29
to mapstore-users
Hi Krishna,
have you tryed to check your bounding box coordinates:
defined in "extent".
"extent": [-331278.39182019, 3884128.41246344, 802757.85485572, 5224005.23112021]

with the original projected ones for the epsg 6708:
-331278.39 3846440.97 865258.04 5256332.65

Renzo Carlucci

unread,
May 29, 2024, 5:20:11 AMMay 29
to mapstor...@googlegroups.com
Hi Krishna,
have you tryed to check your bounding box coordinates:
defined in "extent".
"extent": [-331278.39182019, 3884128.41246344, 802757.85485572, 5224005.23112021]

with the original projected ones for the epsg 6708:
-331278.39 3846440.97 865258.04 5256332.65

renzo

--
You received this message because you are subscribed to the Google Groups "mapstore-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to mapstore-user...@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/mapstore-users/53d95cfb-013b-4b40-a845-9a6984969ae0n%40googlegroups.com.

Krishna Lodha

unread,
May 29, 2024, 5:20:19 AMMay 29
to mapstore-users
Tried it but no luck. Please check screenshots
image_2024_05_29T06_56_35_157Z.png
image_2024_05_29T06_55_36_119Z.png

Renzo Carlucci

unread,
May 29, 2024, 9:36:09 AMMay 29
to mapstore-users
Maybe it is an exchange between Nord and East coordinates.

For this reason the epsg 7792 is, as of today, the new version of epsg 6708. It is the same with inversion of N and E.
Also 7792  it is now the mandatory in Italy instead of 6708.

harry cr7

unread,
May 29, 2024, 9:40:30 AMMay 29
to mapstor...@googlegroups.com
Hello,
if you take the correct extent, which i suppose you did
you have to take the proj4 for the def part  in this website:"https://epsg.io/6708". in your case you ve to use this "+proj=utm +zone=33 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"

your projection bound for italy is correct 
image.png
"








Krishna Lodha

unread,
May 31, 2024, 3:40:04 AMMay 31
to mapstore-users
Hi @lorenzo , what is your opinion on this ? can we use 6708 or do we need to move to 7792 ? 

Krishna Lodha

unread,
May 31, 2024, 3:40:13 AMMay 31
to mapstore-users

Hi lorenzo, what is your opinion on this ? Should we move our data from 6708 to 7792 ? or is there any way we can still use 6708 ? 
On Wednesday, May 29, 2024 at 7:10:30 PM UTC+5:30 harry cr7 wrote:
Reply all
Reply to author
Forward
0 new messages