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    creating parcel land in qgis.

    jonah
    By jonah,
    Hi!  anybody knows how to plot this in QGIS?     WGS 84 Zone 51N and UTM Projection Juan Tamad Longitude -  124 45'55" E  8 32'07.45" N 694299.5253     943932.5929 cor 1-2 96.18 N 62d 50'W cor 2-3 84.00 N 23d 19'E cor 3-4 97.30 N 88d 08'E cor 4-1 132.11 S 19' 53 W   any help is welcome..thanks..    

    SPOT 7 was launched !

    Arhanghelul
    By Arhanghelul,
    Another great news for the remote sensing community: SPOT 7 was launched from India and is now on orbit !   http://www.spacenews.com/article/launch-report/41070india%E2%80%99s-pslv-rocket-lofts-airbus-spot-7-satellite   This will be a great source of satellite images (but not for free    )

    Split Window Algorithm to calculate LST

    pranjal004
    By pranjal004,
    Hello friends   I am having a problem. How do we calculate the Atmospheric water vapour content? I found some algo in paper by "Estimation of the Total Atmospheric Water Vapor Content and Land Surface Temperature Based on AATSR Thermal Data Tangtang Zhang 1, Jun Wen 1,*, Rogier van der Velde 2, Xianhong Meng 1, Zhenchao Li 1, Yuanyong Liu 1 and Rong Liu 1"   Please help asap    

    convert *.tpk file into something more useful

    hklix
    By hklix,
    Hi!   I have several *.tpk ArcGIS offline tile cache packages. The largest is 550MB. I want to use the raster data of the bottom (highest pixel) zoom level in other software, particularly QuoVadis.   I also have access to ArcMap (which I have never used before). Exporting smaller tpk files into TIFF with worldfile does work nicely, but the larger files show 1000 TB uncompressed size and any export attempt from ArcMap ends in an error immediately.   The 500MB tpk file is very efficient, th

    Emissivity calculation from Sobrino's method

    pranjal004
    By pranjal004,
    Hey everyone,   While calculation emissivity from NDVI index using Sobrino's method, it is clear what we have to do when NDVI is greater than 0.2. But when NDVI is less than 0.2, we are given an equation a + b®. where a and b are regression coefficients and R is the reflectivity. R can be calculated easily. How do we estimate or select the values of a and b? My project area also has water body which has a negative NDVI value. Please help!

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