Jump to content
  • Chatbox

    You don't have permission to chat.
    Load More

    One stop for all GIS related services

    Prasalvi
    By Prasalvi,
    Having accurate data to support operational, engineering and analytical processes is critical to achieve organizational excellence   Accurate and a precise data is needed to provide support to your organizations operational, engineering and analytical processes inorder to achive an execellency mark. With the use of our product OnPoint by Rolta and our BI capability, we include the clients inour data services delivery center.   Our services include:- Data Conversion & Migration, 3D Dat

    Landsat 5 Thermal Band - Temporal Analysis

    Athila
    By Athila,
    Hi,   I´m trying to do some temporal analysis using band 6 from landsat 5. I have two scenes: one from november 1989 and another from november 2005. Does anyone knows whether atmospheric corrections are sufficient enough to do such analysis? In my view, the biggest problem would be to quantify the temperature differences pixel-by-pixel, since the downwelling and upwelling radiant energy will be different, even if just a little bit, thus affecting my results.    If so, what would be the best

    exploring for job

    mobolaji
    By mobolaji,
    To whom it may concern   Am a geologist with the knowledge and experience of Geographic information system.   Am writing this email to solicit for help in getting a job in the field of GIS or Geoscience in general. Most especially in Africa as I am based in Nigeria.   I can forward my resume if needed.   Thanks    Kolawole Mobolaji   GIS Geologist Abuja Nigeria Tel -+2348057651294 Skype - mobolaji.kolawole email- [email protected]  

    Access DB - Host online? Best approach

    Peeledpotato
    By Peeledpotato,
    Dear Colleagues,   My wife recently started working for a property broker as an intern. They have asked me to look at a database they have been building for the last couple of years. the database is in Access format and has a number of forms which they use to update the db. I have not worked with Access before as I am primarily a shapefile person who has a leaning towards spatialite. The db has a column referencing a well known local spatial data set so I should be able to map the data easily

    World Cities Map

    946
    By 946,
    Hi all,   Does one of you have some information about some shp/kmz /gdb files that contains the administrative boundaries of the major cities of the world?  I have seen and worked with this data a few years ago, but I am not able to find it anymore.It should be around 2500 shapes.(I have the centroids but not the areas) Thanks!!

Portal by DevFuse · Based on IP.Board Portal by IPS
  • Forum Statistics

    8.7k
    Total Topics
    43.4k
    Total Posts
  • Latest Posts

    • Sometimes you need to create a satellite navigation tracking device that communicates via a low-power mesh network. [Powerfeatherdev] was in just that situation, and they whipped up a particularly compact solution to do the job. As you might have guessed based on the name of its creator, this build is based around the ESP32-S3 PowerFeather board. The PowerFeather has the benefit of robust power management features, which makes it perfect for a power-sipping project that’s intended to run for a long time. It can even run on solar power and manage battery levels if so desired. The GPS and LoRa gear is all mounted on a secondary “wing” PCB that slots directly on to the PowerFeather like a Arduino shield or Raspberry Pi HAT. The whole assembly is barely larger than a AA battery. It’s basically a super-small GPS tracker that transmits over LoRa, while being optimized for maximum run time on limited power from a small lithium-ion cell. If you’re needing to do some long-duration, low-power tracking task for a project, this might be right up your alley. https://hackaday.com/2024/10/17/tiny-lora-gps-node-relies-on-esp32/
    • Multiple motors or servos are the norm for drones to achieve controllable flight, but a team from MARS LAB HKU was able to a 360° lidar scanning drone with full control on just a single motor and no additional actuators. Video after the break. The key to controllable flight is the swashplateless propeller design that we’ve seen a few times, but it always required a second propeller to counteract self-rotation. In this case, the team was able to make that self-rotation work so that they could achieve 360° scanning with a single fixed LIDAR sensor. Self-rotation still needs to be slowed, so this was done with four stationary vanes. The single rotor also means better efficiency compared to a multi-rotor with similar propeller disk area. The LIDAR comprises a full 50% of the drone’s weight and provides a conical FOV out to a range of 450m. All processing happens onboard the drone, with point cloud data being processed by a LIDAR-inertial odometry framework. This allows the drone to track and plan its flight path while also building a 3D map of an unknown environment. This means it would be extremely useful for indoor or underground environments where GPS or other positioning systems are not available. All the design files and code for the drone are up on GitHub, and most of the electronic components are off-the-shelf. This means you can build your own, and the expensive lidar sensor is not required to get it flying. This seems like a great platform for further experimentation, and getting usable video from a normal camera would be an interesting challenge.   Single Rotor Drone Spins For 360 Lidar Scanning | Hackaday
    • The fall update to Global Mapper includes numerous usability updates, processing improvements, and with Pro, beta access to the Global Mapper Insight and Learning Engine which contains deep learning-based image analysis tools. Global Mapper is a complete geospatial software solution. The Standard version excels at basic vector, raster, and terrain editing, with Global Mapper Pro expanding the toolset to support drone-collected image processing, point cloud classification and extraction, and many more advanced image and terrain analysis options. Version 26.0 of Global Mapper Standard focuses on ease-of-use updates to improve the experience and efficiency of the software. A Global Search acts as a toolbox to locate any tool within the program, and a source search in the online data streaming tool makes it easier to bring online data into the application. Updates for working with 3D data include construction site planning to keep all edited terrain for a flattened site within a selected area and the ability to finely adjust the vertex position of 3D lines in reference to terrain in the Path Profile tool. Perhaps the largest addition to Global Mapper Pro v26.0 is the availability of the new Insight and Learning Engine which provides deep learning-based image analysis. Available with Global Mapper Pro for a limited time for users to test and explore, users can leverage built-in models for building extraction, vehicle detection, or land cover classification. These models can even be fine-tuned with iterative training to optimize the analysis for the data area.
    • Responding to the escalating threats from climate change, biodiversity loss, pollution and extreme weather and the need to take action to address these threats, this forward-looking strategy outlines a bold vision for Earth science through to 2040. By leveraging advanced satellite-based monitoring of our planet, ESA aims to provide critical data and knowledge to guide action and policy for a more sustainable future. ESA’s Director of Earth Observation Programmes, Simonetta Cheli, said, “As a space agency, it is our duty to harness the unique power of Earth observing technology to inform the critical decisions that will shape our future. “Our new Earth Observation Science Strategy underscores a science-first approach where satellite technology provides data that contribute to our collective understanding of the Earth system as a whole, so that solutions can be found to address global environmental challenges.” “The choices we make today help create a more sustainable world and propel the transformation towards a resilient, thriving global society.” The new Science Strategy presents a bold and ambitious vision for the future of ESA’s Earth Observation Programmes. It shifts focus towards understanding the feedbacks and interconnections within the Earth system, rather than targeting specific Earth system domains.
  • Latest Topics

  • Recent Achievements

    • tehzoca earned a badge
      Week One Done
    • tehzoca earned a badge
      One Month Later
    • ganimedes00 earned a badge
      Week One Done
    • ganimedes00 earned a badge
      One Month Later
    • ganimedes00 earned a badge
      One Year In
×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.

Disable-Adblock.png

 

If you enjoy our contents, support us by Disable ads Blocker or add GIS-area to your ads blocker whitelist