i was trying to find, is there any tool/tab/any other way so that i can view the raw data in IDRISI from a downloaded image data file (with this.rst/.tif/.img extension)? .
Date
Votes
1 comment
-
Clark Labs Tech Support Team There are two ways you can view the raw data in IDRISI. First, you can right click on the image name in the IDRISI Explorer tab and select ‘Show Structure’. This will bring up the Image Matrix where you can see the values for the rows and columns. Any file may be viewed in its byte-by-byte binary and/or ASCII representation. This is most useful for viewing binary raster images to determine their structure prior to import. There are buttons on the bottom of this window to help you to navigate through this matrix. From Show Structure, the data structure for any vector file can be saved to the ASCII IDRISI Vector Export format which can then be used for editing. Use the module CONVERT to convert from the Vector Export format back into the binary vector format. See the Help System for more information.
Second, you can select ‘Show Binary’ by right clicking on the image name in the IDRISI Explorer tab. This allows you to look at the underlying structure of a file. Raster or binary vector files may be displayed with this option. For raster files, a matrix is displayed of pixel values with the same row/column structure as the raster image. The row and column numbers are shown in the left and top of the display margins. Vector, attribute values, and macro (.iml) files are opened in an editable window. With vector files, a description of the vector file is shown, including its name and type (point, line, polygon or text), the reference system, the reference units, and the unit distance. The data type of the identifier (integer or real) is shown next, followed by the number of features in the file. Each feature is then described with its sequential number, its ID or value, its bounding rectangle coordinates and its number of parts. The number of parts is greater than 1 when a polygon has one or more holes in it. Each part is then listed with its number of vertices and their x,y coordinates.
Laura
Clark Labs Technical Support
Please sign in to leave a comment.