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put simply register : process of transforming different sets of data into one coordinate system. co-registration : matches two images based on the tie points in the images. orthorectify : geometric correction of image wherein some corrections for considerable geometric distortions caused by the topography, camera geometry, and sensor errors are made. IMHO

Beside the precision problems, ASTER is full with artifacts, gaps, etc. I suspect that is working bad in the areas with clouds. I think I remember T is for thermal reflectance. Sure in my work area, near the equator ASTER has problem. Use SRTM as basis and ASTER if is a place without artifacts. An yes, it is an elevation difference.

Thanks for your answer! I have more than 100 polygons. I will try the overlapping option "AnalysisTools">"Overlay˙">"Intersect". Thanks again!

As many of you might already know, Roger Tomlinson, a.k.a. the Father of GIS, died on February 9, 2014. Here is good article about him. Also available is the great three part video called ‘Data for Decision’ from 1967(!!) in which the first GIS is presented (CGIS) by Roger Tomlinson. It is kind of crazy that such a high budget movie was made about the first GIS, if you have not seen it before you are in for a great treat! And finally here is a link to a short video from 2010 in which Roger Tomlinson talks about the movie from 1967.

Hope you stay inside and safe.

my town got hit too, with 5 m visibility and really hurt in eyes and lungs

The company, which announced in September it would be manufacturing 64-bit ARM processors, demonstrated a prototype of its new processor at a summit for the Open Compute Project (OCP) this week in San Jose, California. The pending AMD ARM processors, which will be under the AMD Opteron A1100 Series (or “A-series”) nameplate, will be manufactured using 28-nanometer fabrication technology. Based on the ARM Cortex A57 core design, the AMD Opteron A1100 Series processors will come in either four- or eight-core configurations, with 64GB DRAM. They will have up to 4MB of shared L2 and 8MB of shared L3 cache, and configurable dual DDR3 or DDR4 memory channels with error correcting code that can run up to 1,866 MT (million transfers) per second. The processors will be built on a system-on-a-chip (SoC) design and will feature eight lanes of PCI-Express Generation 3 I/O, eight Serial ATA 3 ports and two 10 Gigabit ethernet ports. They will also have encryption/decryption and data compression co-processors, and up to four SODIMM, UDIMM or RDIMM memory modules. The AMD Opteron A-Series development kit is in effect a sample bare-bones computer running on the ARM processor. It includes a Micro-ATX-sized motherboard, four DIMM slots that can hold up to 128GB of DDR3 DRAM, PCI Express connectors configurable as a single x8 or dual x4 ports, and eight Serial-ATA connectors. On the software side, the development kits will have a Fedora ARM Linux distribution, with device drivers and commonly used Web tier applications such as the Apache Web server, MySQL database engine, and the PHP, Java 7 and Java 8 programming languages. It also includes the standard Linux GNU tool chain for developing applications. It is booted through a standard UEFI (Unified Extensible Firmware Interface) secure boot environment. source : http://www.pcworld.com/article/2092680/amd-debuts-first-arm-processor.html

official repository : http://repo.steampowered.com/download/ official blog http://steamdb.info/blog/35/ how tos http://store.steampowered.com/steamos/buildyourown

Hello all, I recently applied for a GIS tech position and got a response saying that on a certain day and time I will receive a technical exam that should be completed within 1 hour and sent back to that company. If the exam is sucesfull i then will have to pass a competency questions some other day and finally an in person interview. So my question is has anyone had something similar before where a company emails you technical exam? what should i expect? Would it be cloud based or am i expected to have the software installed on my machine? Thanks, any information would be helpful. MadTab

Hello, My background is in Simulation programming, and after a while in this industry I want to change. I have done a bit of GIS programming in my work, as visualisation is important in simulation I've written DEM importers and 3D visualisers, etc. I have even used ESRI ArcMap a few times many years ago but nothing recently. I've mainly used C# and C++, but have done not much web based. I have always enjoyed the geographic elements of programming which is why I want to get more into "GIS". I would like to also do field work. I resent being behind a computer so much and want to be outdoors more. A 50/50 split I think would be ideal. Over here in the UK I check out the jobsites but there is not too much GIS work about, especially not in my domain. I'm not sure where I would fit in but I expect I will have to move to another country. Given these desires (field work, GIS) what role might I fit into, how could I progress towards obtaining this role?

Good Luck with THAT MICROSOFT

Copy cloud services now has a special free give away for online storage. You get 15 GB for free, + 5GB for each referral. What makes Copy different from most other cloud services (such as Skydrive and Dropbox) is that it has no limitation on file size. So perhaps it is interesting for remote sensing purposes/syncing of smaller projects, since those images can sometimes be too large to be accepted by other services. Also the pricing is attractive, if you are into that (group users etc.) See the link below: https://copy.com?r=AMB6mp

The color scheme ranges from green (least subjected to surveillance) through yellow and orange to red (most surveillance). Note the '2007' date in the image relates to the document from which the interactive map derives its top secret classification, not to the map itself. The National Security Agency has developed a powerful tool for recording and analysing where its intelligence comes from, raising questions about its repeated assurances to Congress that it cannot keep track of all the surveillance it performs on American communications. The Guardian has acquired top-secret documents about the NSA datamining tool, called Boundless Informant, that details and even maps by country the voluminous amount of information it collects from computer and telephone networks. The focus of the internal NSA tool is on counting and categorizing the records of communications, known as metadata, rather than the content of an email or instant message. The Boundless Informant documents show the agency collecting almost 3 billion pieces of intelligence from US computer networks over a 30-day period ending in March 2013. One document says it is designed to give NSA officials answers to questions like, "What type of coverage do we have on country X" in "near real-time by asking the SIGINT [signals intelligence] infrastructure." An NSA factsheet about the program, acquired by the Guardian, says: "The tool allows users to select a country on a map and view the metadata volume and select details about the collections against that country." Under the heading "Sample use cases", the factsheet also states the tool shows information including: "How many records (and what type) are collected against a particular country." A snapshot of the Boundless Informant data, contained in a top secret NSA "global heat map" seen by the Guardian, shows that in March 2013 the agency collected 97bn pieces of intelligence from computer networks worldwide. Iran was the country where the largest amount of intelligence was gathered, with more than 14bn reports in that period, followed by 13.5bn from Pakistan. Jordan, one of America's closest Arab allies, came third with 12.7bn, Egypt fourth with 7.6bn and India fifth with 6.3bn. http://www.guardian.co.uk/world/2013/jun/08/nsa-boundless-informant-global-datamining

hmm, MS is really serious about metro I see. MS is wearing new look everywhere, even the age old hotmail has a new look.