[Qgis-user] opening .sid files in QGIS

[Richard McDonnell]

Hi Jeremy,
Garth is indeed right. MrSID is not open source, therefore it's not installed by default.
Thankfully it's easy to install, I can only give you instructions for Windows though.

1)  Open OSGeo4W Setup
2)  Select Advanced Install
3)  Install from Internet
4)  Keep clicking Next until you get to Select Packages
5)  In the search bar Type Mr and you should see the list drop to just Libs. When you expand on this you will see the GDAL drivers for MrSID
6)  It will say Skip, if you click on this it will change to the current version.
7)  Click next and it will then go through the setup process. You will be required to accept the Licencing Agreement, but once finished you will be able to use MrSID format.

I hope that helps.
Kind Regards,

Richard.






——
Richard McDonnell MSc GIS, FME Certified Professional
FRM Data Management

——
Oifig na nOibreacha Poiblí
Office of Public Works

Sráid Jonathan Swift, Baile Átha Troim, Co na Mí, C15 NX36
Jonathan Swift Street, Trim, Co Meath, C15 NX36
——
M +353 87 688 5964   T +353 46 942 2409
https://gov.ie/opw

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To send me files larger than 30MB, please use the link below https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie

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——
Richard McDonnell MSc GIS, FME Certified Professional
FRM Data Management

——
Oifig na nOibreacha Poiblí
Office of Public Works

Sráid Jonathan Swift, Baile Átha Troim, Co na Mí, C15 NX36
Jonathan Swift Street, Trim, Co Meath, C15 NX36
——
M +353 87 688 5964   T +353 46 942 2409
https://www.opw.ie

——
To send me files larger than 30MB, please use the link below https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie

Email Disclaimer: https://www.opw.ie/en/disclaimer/
> -----Original Message-----
> From: QGIS-User <qgis-user-bounces at lists.osgeo.org> On Behalf Of Garth
> Fletcher via QGIS-User
> Sent: 26 September 2023 20:31
> To: asiajmurphy at gmail.com
> Cc: qgis-user at lists.osgeo.org
> Subject: Re: [Qgis-user] opening .sid files in QGIS
>
> I have routinely opened .SID color orthophoto files for several years with
> QGIS running on a Mac.
> Currently using QGIS 3.30 under Mac OS X 10.13; I started using QGIS back in
> the 2.14 days, ~2016.
>
> I have a vague recollection of having to load a MrSID SDK, perhaps 4 or
> 5 years ago.
> Perhaps that installation has been persistent since I haven't had to do
> anything MrSID related since as I updated QGIS.
> If indeed a MrSID is needed, it can be found at
> <https://www.extensis.com/support/developers>
>
> --
> Garth Fletcher
>
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