IDL is an acronym for Interactive Data Language.

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How to write a UNIX ANSI text file under windows by IDL

I want to use openw in IDL to write a UNIX ANSI text file under windows. But the result are always in the format of PC UTF-8. Does some one know how to solve this issue? Thanks!
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32 views

opening a georefrenced image in IDL in ENVI

I am working with idl in envi,I want to use ENVI_CONVERT_FILE_COORDINATES in case of finding pixel value of specified point,for this porpuse I have lat and long data of my point but I need to open ...
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IDL script failing at the bytarr. Do you know why?

;;;;this program reads an image file containing the training areas of interest and ;;;;associates each class pixel to its corresponding value across each of the layer. The results is an ;;;;output ...
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1answer
20 views

Pixel Value in a Lat and Long location in Envi IDL

I am new with ENVI IDL,I want to get pixel value of each band in an image in specified lat and long location.I can do a loop among bands in image using this code ...
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43 views

Any solution to mosaic Modis MOD13Q1 using batch file?

I have a Modis MOD13Q1 product for Pakistan, four tiles cover my complete area and I have data consisting of 14 years, after every 16-day interval. I want to mosaic them using a batch file which ...
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1answer
20 views

Python version of MAP_2POINTS

I think I may have stumbled onto an IDL function which does not have a python equivalent... :'( I am working with a Whiskbroom imaging radiometer (Terra/Aqua MODIS), with a corresponding bounding box ...
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1answer
48 views

ICESat/GLAS coordinate system conversion

I have to import ICESat GLAS14 product data into ArcGIS. I managed to export into an ASCII file the binary GLAS data using NGAT tool, but the coordinates system are in an uncommon format ...
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1answer
31 views

How to read ASTER metadata in IDL?

I'm trying to read many ASTER images (1B mainly) in IDL (I can try in R also). I'm used to work with Landsat, but the aster metadata is complicated. I write a code with a lots of conditional that can ...
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70 views

Call MRT Swath from IDL

Do you know how to call MRT Swath from IDL? I would like to work with Modis L1B (MOD02HKM), read it, reproject, some processing and writing the results. Any help highly appreciated.
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2k views

Recommended programming language for remote sensing?

I am beginning studies that hopefully will lead to a long career as a remote sensing specialist. I am currently working with ArcGIS for some applications and learning ENVI for others. I have ...
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1answer
98 views

Find the vertices of an ROI in XROI using IDL

I need to find the vertices of an ROI shape created in IDL's XROI, so that I can redraw the ROI on multiple images. I know you can find the centroid, area and perimeter with the GEOMETRY command, but ...
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2answers
209 views

MODIS Level 1B batch process

I am a new MODIS Level 1B user. I have been using the MODIS Swath tool to process my images. However, I have over 1000 images to process. I was wondering if there a script available in IDL or R (very ...
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210 views

Phenological event extraction in IDL

I’m doing phenological study using a threshold method in IDL. I have a twelve-band image in 2005 (format is in .tiff not ENVI format). Twelve-band means that monthly images (Jan to Dec) have been ...