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2 Replies and 1776 Views
Opening MODIS files 1776 2
Started by Deleted User
I have problem in opening MOD11A1, land surface temperature, by ENVI 4.2
When I opened files of MOD11A1 by using 'file ->open image file',
only Emis 31, Emis 32 were opened.
MOD11A1 have 12 subitems which can open by using ' file -> open external files ->hdf '.
But when I do so, there are no map infomations.
What should I do
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2 |
1776 |
15 Sep 2006 09:26 AM |
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1 Replies and 1860 Views
Opening MODIS files 1860 1
Started by Deleted User
I have problem in opening MOD11A1, land surface temperature, by ENVI 4.2
When I opened files of MOD11A1 by using 'file ->open image file',
only Emis 31, Emis 32 were opened.
MOD11A1 have 12 subitems which can open by using ' file -> open external files ->hdf '.
But when I do so, there are no map infomations.
What should I do
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1 |
1860 |
15 Sep 2006 09:26 AM |
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1 Replies and 1529 Views
DEM Extraction using wizard 1529 1
Started by Deleted User
I was trying to creat DEM using ASTER L1A stero data i.e 3B and 3N. I was using DEM wizard in 4.2 which has 9 steps. I was creating absolute DEM using auto SCP. In the final dem output i am getting negative values like -78, -100 whereas study area having average elevation of 10m. Can anybody pointout where i am doing misttake. Thanks in advance.
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1 |
1529 |
13 Sep 2006 10:30 AM |
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0 Replies and 1727 Views
Map Conversion: from sinusoidal to geographic coordinate system NAD83 1727 0
Started by Deleted User
I tried to covert a sinusoidal MODIS data into GCS NAD83 coordinate system. But the conversion does not work correctly. The features are off its locations many pixels. The funny thing is that the same procedure worked fine two months ago.
I am using ENVI 4.2.
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1727 |
11 Sep 2006 03:57 PM |
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0 Replies and 2092 Views
Nokia 3250 for.........................$200usd 2092 0
Started by Deleted User
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0 |
2092 |
01 Sep 2006 07:35 AM |
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0 Replies and 1703 Views
Sony ericsson w900 for.................$180usd 1703 0
Started by Deleted User
exclusivemobile inc. brings to your notice mobile phones,i pod,and other
hi tech product at cheaper rate.moreover safety comes first in our business so
packages will be brought to you at your door step via fedex courier company,here is the price
listing below,they are all unlock.so we wil be glad to hear from you.................
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0 |
1703 |
01 Sep 2006 07:30 AM |
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0 Replies and 1690 Views
nokia n93 for $230usd 1690 0
Started by Deleted User
exclusivemobile inc. brings to your notice mobile phones,i pod,and other
hi tech product at cheaper rate.moreover safety comes first in our business so
packages will be brought to you at your door step via fedex courier company,here is the price
listing below,they are all unlock.so we wil be glad to hear from you.................
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0 |
1690 |
01 Sep 2006 06:26 AM |
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1 Replies and 1610 Views
the minus value of the reflctance after the atmospheric correction 1610 1
Started by Deleted User
does any body do atmospheric correction with flaash
I have do atmospheric correction of modis L1b with flaash in the envi, but the reflectance value is mimus.
I do not know why. can you help me
expecting your answer!
thanks!
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1 |
1610 |
26 Aug 2006 08:36 AM |
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1 Replies and 1887 Views
about the flaash in envi 1887 1
Started by Deleted User
the flaash users' guid said that' navigate to the envidata\flaash\multispectral\input_files directory, select the jasperridgetm_template.txt file, and click 'open' '. but I did not found the enivdata directory in my envi4.2. does anyone have the 'envidata' file, can you help me and give me the directory my email is zerozerozero123163.com
thank you very much
expecting your return!
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1 |
1887 |
25 Aug 2006 02:43 AM |
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1 Replies and 1627 Views
texture_cooc_doit 1627 1
Started by Deleted User
in an interactive envi session you can set the gray level quantization when computing coocurrence statistics (texture filtering).
i do not see a keyword in the documentation for setting this parameter when making a call to texture_cooc_doit.
how can is control this parameter
thank you.
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1 |
1627 |
22 Aug 2006 12:10 PM |
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1 Replies and 1669 Views
Sharpening 1669 1
Started by Deleted User
I would like to know how i can automate a process of sharpening on ENVI. I have pancromatic images (Geotiff) and color images (jpg). Probably i will have use a routine in IDL so if someone know it i am waiting the answer, please.
Thank you.
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1 |
1669 |
03 Aug 2006 11:53 AM |
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1 Replies and 1586 Views
texture measure 1586 1
Started by Deleted User
I am trying to use the occurence and coocurrence statistics calculated by envi (texture filters).
As far as I can tell, these methods use the nodata value as if it were simply a valid value. This seems wrong to me. (For example, any window with just one pixel of nodata value=-32767 will have its mean and all other statistics heavily influenced by such a value.)
Can anyone verify this I'd love any references to why this is the correct thing to do, or alternate strategies for calculating th...
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1586 |
02 Aug 2006 07:56 PM |
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0 Replies and 1540 Views
Where is the Dist parameter? 1540 0
Started by Deleted User
I am trying to 'Edit Grid Characteristics' on a grid that I have overlayed on top of my image. I am supposed to be able to 'control the distance of the labels from the edge of the image for each grid type, using the Dist parameter. Larger numbers are farther from the edge.'. But I can't find a Dist parameter under 'Edit Grid Characteristics'.
Any clues Thanks
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1540 |
27 Jul 2006 03:54 PM |
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0 Replies and 1871 Views
flexNET 1871 0
Started by Deleted User
good day
what is are FLEX servers
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1871 |
25 Jul 2006 10:32 AM |
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1 Replies and 1913 Views
Error message when save images as big tiff files 1913 1
Started by Deleted User
Hi,
When I try to save an ENVI image as tiff (geotiff) file and the image is bigger (say 500 mb) the software shows an error message. It is something like '....can't allocate memory for the array, result may be invalid....'. Whay is that and is there a way to fix it. Images around 150 mb are save ok.
I use ENVI 4.2
Thanks,
Vasil
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1 |
1913 |
25 Jul 2006 05:20 AM |
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0 Replies and 1312 Views
Mosaicking DEMs 1312 0
Started by Deleted User
Objective: Mosaick several DEMs, all same size and format (60x60km, DEM/tif), into ENVI with transparent background (set to 0)
Problem: DEM background recurs as opaque (black)
Strategies: Attempted opening DEMs as HDF, not a valid HDF file, therefore, ENVI does not recognize them, unable to manipulate data contained in the header file...
Solution:
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1312 |
19 Jul 2006 11:22 AM |
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0 Replies and 1537 Views
batch processing w/ MODIS HDF files 1537 0
Started by Deleted User
Hi
I'm trying to learn how to use ENVI in batch mode because I've got hundreds of MODIS MOD04 and MOD06 (aerosol and cloud product) files that need to be analyzed.
I've been going thru the examples in RSI's Envi Programming training manual, specifically those in chapter 2 regarding ROI's (Regions of Interest) and the examples in chapter 3, the ones related to automated batch processing.
I've encounterd 2 problems with regards to using HDF files:
First,
i am unable to open an HDF ...
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0 |
1537 |
18 Jul 2006 04:40 PM |
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1 Replies and 1296 Views
traitement du canal thermique de landsat 7 1296 1
Started by Deleted User
J’ai besoin vos aides pour un truc de télédétection. En effet j’ai besoin de déterminer les anomalies thermiques dans une zone d’étude pour ma thèse. Mais je ne sais pas comment exploité les information fournis par le canal thermique de l’image Landsat 7.
Pouvais vous me donner la procédure de traitement de ce type d’information à partir des images satellites à l’aide d’ENVI, je serais infiniment reconnaissant pour vos aides.
MERCI
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1 |
1296 |
17 Jul 2006 12:27 PM |
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0 Replies and 1344 Views
Email notification bug? 1344 0
Started by Deleted User
This is an issue with the forums, not ENVI directly -- when I receive an email notifying me of changes there isn't a space between the link to follow and 'Thank you...' so my email program (outlook) thinks the 'Thank' is part of the URL:
http://www.ittvis.com/forum/message.aspfmid=1924Thank you for using the Research Systems User Forum!
Can you add in a space after the URL so we can click it within the email and go directly to the right thread Thanks!
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0 |
1344 |
16 Jul 2006 05:19 PM |
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0 Replies and 1553 Views
Best warping technique for aerial imagery? 1553 0
Started by Deleted User
Quick question: is Delauney triangulation the most appropriate registration technique, since its the only which uses local (as opposed to global) warping, which can account (somewhat) for pitch/yaw/roll issues which cannot be predicted globally Are there other warping techniques available that can do a better job
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1553 |
14 Jul 2006 11:58 PM |