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Opening ECW Files #208

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NecroMancer05 opened this issue Feb 5, 2021 · 8 comments
Closed

Opening ECW Files #208

NecroMancer05 opened this issue Feb 5, 2021 · 8 comments
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@pmeems

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@NecroMancer05
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Hi @pmeems ,

Can u look at this there is progress on opening ECW files.

There is new ECW library in GDAL 3.1.2 VS2019 builds. When are we getting this update on MapWinGIS ?
@NecroMancer05 NecroMancer05 changed the title Opening ECW Opening ECW Files Feb 5, 2021
@pmeems
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pmeems commented Feb 9, 2021

I just tried and I'm having trouble making MapWinGIS work with GDAL v3.*
That needs to be fixed first and then we need to move to VS2019, which hopefully won't be too hard and then we can create a new beta release.

@jbaux You've created a pull request to get MapWinGIS compiled using GDAL v3. I merged that PR and I can compile, but I can't register the ocx (regsvr32 MapWinGIS.ocx). Did you have similar issues?

@jerryfaust and @mathijs-dumon You both have much more experience with C++ than I. Do you have time to look how we can make MapWinGIS work with GDAL v3.*

@jerryfaust
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jerryfaust commented Feb 9, 2021 via email

@pmeems
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pmeems commented Feb 9, 2021 •
edited

Thanks @jerryfaust I did one more try and can now compile AND register. I missed 1 dll and didn't have the admin rights.
I'll commit my changes in a minute.

When running the InteropCreator project, which has a form with MapWinGIS on it, and hitting the 'Prefetch Tiles' button I get this error:
GDAL FAILURE: PROJ: proj_create_from_database: Cannot find proj.db
Most likely this has to do with proj 6.

In the following days I'll look more at this.

@jerryfaust
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jerryfaust commented Feb 9, 2021 via email

@NecroMancer05
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I just tried and I'm having trouble making MapWinGIS work with GDAL v3.*
That needs to be fixed first and then we need to move to VS2019, which hopefully won't be too hard and then we can create a new beta release.

@jbaux You've created a pull request to get MapWinGIS compiled using GDAL v3. I merged that PR and I can compile, but I can't register the ocx (regsvr32 MapWinGIS.ocx). Did you have similar issues?

@jerryfaust and @mathijs-dumon You both have much more experience with C++ than I. Do you have time to look how we can make MapWinGIS work with GDAL v3.*

I tried to compile too. But no hope i cant register it either.

@NecroMancer05
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Is where any news ?

@pmeems
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pmeems commented May 20, 2021

No news. At this moment the volunteers that have enough skills to get MapWinGIS to compile on VS2019 and working with GDAL v3 are too busy with their main jobs.

Until we can compile MapWinGIS with VS2019 we can't move on.
I tried, with my limited C++ skills, but couldn't get it to work.

For reference. We also have a discussion on our forum:
https://mapwindow.discourse.group/t/ecw-can-not-load/432/19
Perhaps it is better to continue the discussion on the forum.

@NecroMancer05
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Thanks for the reply.

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@NecroMancer05 @pmeems @jerryfaust