Hi Peppe,
Just a quick feedback. Firstly, the tools you added work fine. Thanks a
lot for that.
There are a little bit hidden (not documented), especially the one for
sextante as you have to use a plugin to create the Warping Vectors
(unless you know you just have to create a layer with this name) and
another tool to apply the transformation.
The only problem I found is with the resolution. If the transform
increases the image size, the resolution of the resulting image
decreases (see image attached). You added a checkbox to get a lower
definition, but I did not find an option to keep a resolution similar to
the input one.
Michaël
Le 06/02/2019 à 12:45, Giuseppe Aruta a écrit :
Hi MIchael, Nicolas
During the last years I added two experimantal tools for images on
OpenJUMP, available on the standard Affine transformation one:
1)
if the image is loaded via Sextante Raster Image (File>Open>Sextante..)
Tools>Warp>Affine transformation (from warping vectors).
Note that this requires at maximun 3 warping vectors on the view
(Tools<Warp>Warpimg to get the tool to draw warping vectors)
2)
if the image is loaded via Referenced Image or similar (File>Open>File)
Tools>Warp>Affine Transformation (from parameters)
At the end of the dialog there is a check box "Force affine
transformation of image". If it is checked the affine transformation
acts also on the bufferedimage (and not only on the geometry). The
option "Resize image to half size" should help if the process takes
too much time (and too much CPU)
I wrote a small tutorial here:
http://ojwiki.soldin.de/index.php?title=Warp#Applying_an_affine_transformation_to_an_image_layer
Both methods work made only affine trasformation.
And they create new GeoTIFF image files rather then "write/rewrite" a
world file.
Rewriting a world file rather then rewrite the all image should be
preferible and "less memory consuming". Unfortunatelly OpenJUMP still
cannot read and use the rotation/skewing lines on a worldfile.
Both methods should work if the image is not huge. There is no way to
control possible errors
Peppe
Il giorno mer 6 feb 2019 alle ore 09:23 Nicolas Ribot
<nicolas.ri...@gmail.com <mailto:nicolas.ri...@gmail.com>> ha scritto:
Hello,
QGIS can do that with Raster georeferencing. It works well
Nicolas
On Wed, 6 Feb 2019 at 09:12, Michaël Michaud
<m.michael.mich...@orange.fr <mailto:m.michael.mich...@orange.fr>>
wrote:
Hi Peppe,
Maybe you know if we have, in OpenJUMP some tools to help
referencing an
image which has no world file. And if not, do you know a good
free tool
to do that.
Thanks,
PS : I tried to package the last svn revision with maven
yesturday and
get a double entry for the klem extension. Any idea ?
Michaël
_______________________________________________
Jump-pilot-devel mailing list
Jump-pilot-devel@lists.sourceforge.net
<mailto:Jump-pilot-devel@lists.sourceforge.net>
https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
_______________________________________________
Jump-pilot-devel mailing list
Jump-pilot-devel@lists.sourceforge.net
<mailto:Jump-pilot-devel@lists.sourceforge.net>
https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
_______________________________________________
Jump-pilot-devel mailing list
Jump-pilot-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
_______________________________________________
Jump-pilot-devel mailing list
Jump-pilot-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
