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GIS and RS general trends
By Arhanghelul,
I see many Cloud applications and Cloud platforms. We are becoming more and more familiar with GPS locators on our smarhphones and geoinformation is increasing also.
What is the general trend for GIS and Remote Sensing ? Is it GIS becoming more "mobile", more personalized ?
I would like to know your opinions. Some documentation, links and ideeas about Cloud GIS and RS ?
Whats new in Erdas Imagine 2014
By rahmansunbeam,
Intergraph just released the newest version of world-famous remote sensing and image analysis package Erdas Imagine. One of the most exciting update is the package now has a totally separate release for 64x pcs, so no memory bottleneck !
Let's take a look whats more inside,
new sensor (including Landsat 8, SPOT6) and datum support,
LUT Stretch and Filter Galleries with real-time preview,
Spatial Modeler enhancements, with Image Segmentation operator, Point cloud and LiDAR operators and
Idrisi Selva Isoclust Variance/Covariance Matrix Error
By Emma,
Hi,
I'm using Idrisi Selva to do an unsupervised (ISOCLUST) classification of Landsat TM images. My study area is at the juncture of two Landsat scenes and it spans two UTM zones. I radiometrically corrected each band of each image in R, then mosaicked each band in ArcGIS v10, then clipped the mosaicked bands to the boundary of my study area.
I exported the data to ASCII, then imported three bands (R, NIR, MIR) to Idrisi Selva. Using ISOCLUST, I specified that I wanted 10 classes with a
code request for generating the bands at a time using open source
By adnan0001,
Hi friends
code request for generating the bands at a time using open source
I need a coding for particular issue using c++ or vb
subsetting the map. In this we will subset map in the polygon shape. Means EX. subseting the particular mandal boundary from the district map.
Exporting:
In ILWIS when we export any map it will export only in 1 band, we should export the all three band(band means RGB band).
winter surface reflectance in popar regions
By Terka424,
Hello, I have MODIS surface reflectance 250m imagery for Scandinavia for one year and I need to extract surface reflectance values for specific points (lakes) and determine the date of freeze and break up of ice. Most of the lakes however freeze in November when large parts of the imagery is affected by polar darkness. It still contains the information but the values are of course many times lover than in daylight conditions. I was wondering if anybody would know any correction method that could
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