[JPP-Devel] [jump-pilot:bugs] #503 1/2 pixel shift in image georeferencement

2020-10-12 Thread michael michaud via Jump-pilot-devel 
- **status**: open --> closed-fixed
- **Comment**:

There are still small problems with georeferencing, but it seems to be due to 
the usage of float instead of doubles, and it is much less than 1/2 pixel. See 
#507. I close this ticket 



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** [bugs:#503] 1/2 pixel shift in image georeferencement**

**Status:** closed-fixed
**Milestone:** OJ_1.16
**Created:** Sun Sep 13, 2020 09:52 AM UTC by michael michaud
**Last Updated:** Wed Sep 16, 2020 07:02 AM UTC
**Owner:** nobody


There is still 1/2 pixel difference between image georeferenced with Sextant 
Raster reader and images georeferenced with other readers. I have not 
investigated yet and don't know which one is correct.


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[JPP-Devel] [jump-pilot:bugs] #503 1/2 pixel shift in image georeferencement

2020-09-16 Thread michael michaud via Jump-pilot-devel 
Seems to be fixed for all legacy drivers. All tests have been made with a 
normal RGB Geotiff image from IGN :
- was already OK with Commons imaging
- has been fixed by r6485 for GeoTIFF driver in 
com/vividsolutions/jump/workbench/imagery/geotiff/RasterPainter
- has been fixed by r6478 for all other drivers in 
com/vividsolutions/jump/workbench/imagery/geoimg/GeoReferencedRaster


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** [bugs:#503] 1/2 pixel shift in image georeferencement**

**Status:** open
**Milestone:** OJ_1.16
**Created:** Sun Sep 13, 2020 09:52 AM UTC by michael michaud
**Last Updated:** Mon Sep 14, 2020 09:17 PM UTC
**Owner:** nobody


There is still 1/2 pixel difference between image georeferenced with Sextant 
Raster reader and images georeferenced with other readers. I have not 
investigated yet and don't know which one is correct.


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Re: [JPP-Devel] [jump-pilot:bugs] #503 1/2 pixel shift in image georeferencement

2020-09-15 Thread edgar . soldin 
no problemo.

maybe you shouldn't test readers as such but ways of georeferencing? meaning 
worldfile, gdal & geotiff parsing. probably easiest if you simply temporarily 
comment/uncomment those in GeoReferencedRaster.. ede

On 9/14/2020 23:17, michael michaud via Jump-pilot-devel wrote:
> Thanks Ede, it helped ;-)
> I could make a fix. I still must check if it works for every loader though.
>
>
> ---
>
> ** [bugs:#503] 1/2 pixel shift in image georeferencement**
>
> **Status:** open
> **Milestone:** OJ_1.16
> **Created:** Sun Sep 13, 2020 09:52 AM UTC by michael michaud
> **Last Updated:** Mon Sep 14, 2020 07:13 AM UTC
> **Owner:** nobody
>
>
> There is still 1/2 pixel difference between image georeferenced with Sextant 
> Raster reader and images georeferenced with other readers. I have not 
> investigated yet and don't know which one is correct.
>
>
> ---
>
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[JPP-Devel] [jump-pilot:bugs] #503 1/2 pixel shift in image georeferencement

2020-09-14 Thread michael michaud via Jump-pilot-devel 
Thanks Ede, it helped ;-)
I could make a fix. I still must check if it works for every loader though.


---

** [bugs:#503] 1/2 pixel shift in image georeferencement**

**Status:** open
**Milestone:** OJ_1.16
**Created:** Sun Sep 13, 2020 09:52 AM UTC by michael michaud
**Last Updated:** Mon Sep 14, 2020 07:13 AM UTC
**Owner:** nobody


There is still 1/2 pixel difference between image georeferenced with Sextant 
Raster reader and images georeferenced with other readers. I have not 
investigated yet and don't know which one is correct.


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[JPP-Devel] [jump-pilot:bugs] #503 1/2 pixel shift in image georeferencement

2020-09-14 Thread michael michaud via Jump-pilot-devel 
Seems to me that Sextante Raster and Commons Imaging referencing are correct 
and that other ones are shifted. I don't know why images loaded with Commons 
Imaging are not referenced as others. Ede, any hint to help me understand which 
loader uses which ImageFactory/ReferencedImage ? 


---

** [bugs:#503] 1/2 pixel shift in image georeferencement**

**Status:** open
**Milestone:** OJ_1.16
**Created:** Sun Sep 13, 2020 09:52 AM UTC by michael michaud
**Last Updated:** Sun Sep 13, 2020 03:03 PM UTC
**Owner:** nobody


There is still 1/2 pixel difference between image georeferenced with Sextant 
Raster reader and images georeferenced with other readers. I have not 
investigated yet and don't know which one is correct.


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[JPP-Devel] [jump-pilot:bugs] #503 1/2 pixel shift in image georeferencement

2020-09-13 Thread ede via Jump-pilot-devel 
- **Milestone**: undecided --> OJ_1.16



---

** [bugs:#503] 1/2 pixel shift in image georeferencement**

**Status:** open
**Milestone:** OJ_1.16
**Created:** Sun Sep 13, 2020 09:52 AM UTC by michael michaud
**Last Updated:** Sun Sep 13, 2020 11:32 AM UTC
**Owner:** nobody


There is still 1/2 pixel difference between image georeferenced with Sextant 
Raster reader and images georeferenced with other readers. I have not 
investigated yet and don't know which one is correct.


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[JPP-Devel] [jump-pilot:bugs] #503 1/2 pixel shift in image georeferencement

2020-09-13 Thread michael michaud via Jump-pilot-devel 
There is the following comment from Stefan Steiniger in the 
AddRasterImageLayerWizard class :

~~~
TODO: [sstein] Feb.2009 - I discovered a 0.5px offset towards south-east
for the envelope, in comparison with images loaded with
Jon's/VividSolutions implementation, if the envelope is obtained from a
worldfile. Not sure what is correct. I.e. this implementation seems to
assume that the worldfile coordinate system origin is the corner of the
first pixel and not the center. I have corrected this in
WorldFileHandler.readWorldFile()
~~~


---

** [bugs:#503] 1/2 pixel shift in image georeferencement**

**Status:** open
**Milestone:** undecided
**Created:** Sun Sep 13, 2020 09:52 AM UTC by michael michaud
**Last Updated:** Sun Sep 13, 2020 09:52 AM UTC
**Owner:** nobody


There is still 1/2 pixel difference between image georeferenced with Sextant 
Raster reader and images georeferenced with other readers. I have not 
investigated yet and don't know which one is correct.


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Re: [JPP-Devel] [jump-pilot:bugs] #503 1/2 pixel shift in image georeferencement

2020-09-13 Thread Giuseppe Aruta 
>There is still 1/2 pixel difference between image georeferenced with
Sextant Raster reader and images georeferenced with other readers. I have
not investigated yet and don't know which one is correct.

AFAIR that was a quite old issue in Sextante. Eventually (if I am not
wrong) Stefan corrected many years ago.

Il giorno dom 13 set 2020 alle ore 11:52 michael michaud via
Jump-pilot-devel  ha scritto:

> --
>
> * [bugs:#503]  1/2 pixel
> shift in image georeferencement*
>
> *Status:* open
> *Milestone:* undecided
> *Created:* Sun Sep 13, 2020 09:52 AM UTC by michael michaud
> *Last Updated:* Sun Sep 13, 2020 09:52 AM UTC
> *Owner:* nobody
>
> There is still 1/2 pixel difference between image georeferenced with
> Sextant Raster reader and images georeferenced with other readers. I have
> not investigated yet and don't know which one is correct.
> --
>
> Sent from sourceforge.net because jump-pilot-devel@lists.sourceforge.net
> is subscribed to https://sourceforge.net/p/jump-pilot/bugs/
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[JPP-Devel] [jump-pilot:bugs] #503 1/2 pixel shift in image georeferencement

2020-09-13 Thread michael michaud via Jump-pilot-devel 



---

** [bugs:#503] 1/2 pixel shift in image georeferencement**

**Status:** open
**Milestone:** undecided
**Created:** Sun Sep 13, 2020 09:52 AM UTC by michael michaud
**Last Updated:** Sun Sep 13, 2020 09:52 AM UTC
**Owner:** nobody


There is still 1/2 pixel difference between image georeferenced with Sextant 
Raster reader and images georeferenced with other readers. I have not 
investigated yet and don't know which one is correct.


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