New JPEG2000 viewer for HiRISE images |
New JPEG2000 viewer for HiRISE images |
Dec 1 2011, 08:01 PM
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#1
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Junior Member Group: Members Posts: 37 Joined: 12-January 07 Member No.: 1587 |
Hi Folks,
The HiRISE team has been working on an improved image viewer/data explorer for our JPEG2000 imagery. We'd like to offer you all the chance to try out the release candidate before our public release next week, if you'd like to give it try. The new software is called HiView and can be downloaded from the HiRISE website. For those of you that are interested: HiView is a platform native application (not java like the IAS Viewer), and as such it is a bit faster and more responsive. The performance using the jpip protocol is somewhat better than the IAS Viewer, and we are continuing to work on improving that. We are also continuing to develop the software. At this time, the software more or less matches the feature set of the IAS Viewer (panning/zooming and color/contrast stretching), but future versions will also include measurement tools and the like as well. It should be noted that we will not be continuing to distribute the IAS viewer software after the end of this month, but we think HiView is a big enough improvement over the IAS Viewer that we hope nobody will be disappointed by that. We'll be happy to hear any feedback that you can give us on this. The software is available for OSX, Linux, and Windows. Enjoy! |
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Dec 1 2011, 09:15 PM
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#2
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Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
Phil, I think the way to do this is to make the FOV of the viewer match the area you want to export. Then select Save and in the Save dialog you can specify the pixel scale (in multiples of pixel sizes, 1 = full scale) you want. Which is AWESOME.
A feature request: I would love it if you could optionally have it place a scale bar on the view, or export a scale bar as a second file when you save a cropped image. Various customization of that would be nice but even just a rectangular bar of white pixels with a length of 5m or 10m or 20m or ... (dynamically chosen depending on the pixel width of the exported image) ... would be a major help. It's a real pain to export an image, go to the HiRISE website, look up the pixel scale, figure out what length of a scale bar I should use, open the exported jpeg, draw the scale bar, and resave it as a jpeg (ugh), before uploading it to my website's image library where it'll get jpeg-compressed a third time to produce the smaller inline versions. -------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
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