MultiSpec
MultiSpec 3.4.1
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(2) 4.5

Analyzes multispectral image data.   Free
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MultiSpec is a processing system for interactively analyzing Earth observational multispectral image data such as that produced by the Landsat series of Earth satellites and hyperspectral image data from current and future airborne and spaceborne systems such as AVIRIS. The primary objective of MultiSpec is as an aid to export the results of our research into devising good methods for analyzing such hyperspectral image data. It has also found significant use in other applications such as multiband medical imagery and in K-12 and university level educational activities. There are
What's New
Version 3.4.1 (2014.3.22):
  • A change was made so that Landsat 4 files will be handled correctly when selecting all of them to be linked together as a single file similar to the process for Landsat 5 data files.
  • The ability to read the meta data in the Land Information System (LIS) netcdf files was added so that the projection information could be obtained along with the fill data value.
  • A new parameter was added to the image description dialog window to allow one to view and/or enter the 'no data' or 'fill data' value for the scene. This parameter is read from the file when available. The data value is also saved in output geotiff image files. The information is written in the geotiff tag that gdal has defined; therefore it can be read by packages that use gdal.
  • The statistics that are computed for classes will ignore these data values. You can turn this affect off by turning off the check box for the 'no data' values in this dialog window.
  • One can hold the shift key down when selecting a grouped data set in hdf4, hdf5 or netcdf files to indicate that only the selected data set is to be used. (Grouped data sets are indicated by the _Gn suffex.) One will notice that only one data set is selected by observing that the number of channels for the selection will change to 1.
  • Changes were made to keep settings of data type, band interleave, header format and output file in better sync with what is possible for the selected file format. For example one cannot have a tiff/geotiff file which is band interleaved by line.
  • The capability was added so users can save the output thematic image files as either geotiff files or ERDAS .gis files.
  • Also a new feature was added to allow one to mosaic two images top to bottom. This processor was originally created to allow one to mosaic two Landsat quad scene together side by side ... way back when Landsat data were distributed as 4 separate quad scenes. The ability to combine two image file top and bottom is much more flexible than the append-to option in Reformat->Change Image File Format processor. One can combine images with different band interleave formats, data types and file header formats. The top - bottom capability was added so that users have an easy way to combine two granules of MODIS NDVI data that one obtains from the USGS glovis site.
Version 3.4.1 (2014.3.22):
  • A change was made so that Landsat 4 files will be handled correctly when selecting all of them to be linked together as a single file similar to the process for Landsat 5 data files.
  • The ability to read the meta data in the Land Information System (LIS) netcdf files was added so that the projection information could be obtained along with the fill data more...
Requirements
Intel/PPC, OS X 10.4 or later





MacUpdate - MultiSpec



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MultiSpec User Discussion (Write a Review)
ver. 3.x:
(2)
Your rating: Now say why...
Overall:
(3)

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burypromote

-2

Xalbas reviewed on 03 Sep 2011
nice one!Thank you!
[Version 3.2.1]


burypromote


Anonymous reviewed on 28 May 2003
Excellent image processing software for instruction and basic stuff. Use it in conjunction with other "free" stuff and you have a very powerful image processing system that can rival the expensive (and overpriced) image processing softwares.
[Version 5.22.2003]


burypromote
-1

+1
davidlaska commented on 26 Dec 2002
its the only mac program that i could use to open hdf files (mainly i liked satillite images), all the others i could not even install or get to the image in the hdf file. there is another hdf vierwer called freelook, but i would call it freeglimpes can it shut of a few min and they will not sell a licence either.
[Version 12.24.2002]


burypromote
irfanafaq commented on 25 Dec 2002
very good
[Version 12.24.2002]


There are currently no troubleshooting comments. If you are experiencing a problem with this app, please post a comment.


coronalast rated on 08 Jun 2013

[Version 3.4.1]


Downloads:9,751
Version Downloads:1,370
Type:Education : Science
License:Free
Date:23 Mar 2014
Platform:PPC 32 / Intel 32 / OS X
Price:Free0.00
Overall (Version 3.x):
Features:
Ease of Use:
Value:
Stability:
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MultiSpec is a processing system for interactively analyzing Earth observational multispectral image data such as that produced by the Landsat series of Earth satellites and hyperspectral image data from current and future airborne and spaceborne systems such as AVIRIS. The primary objective of MultiSpec is as an aid to export the results of our research into devising good methods for analyzing such hyperspectral image data. It has also found significant use in other applications such as multiband medical imagery and in K-12 and university level educational activities. There are currently in excess of several thousand known, registered users.

MultiSpec satisfies the following design goals:
  • The implementation should be on a readily available computer platform which has adequate processing power, but is financially within the reach of any Earth science researcher (i.e., computer platforms < $2000).
  • The system should be easy to learn and easy to use, even for the infrequent user, using the most modern of software environments.
  • The system should provide for easy import of data in a variety of formats, and easy export of results, both in thematic map and in tabular form.


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