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Point Cloud or LIDAR for France ?
By rmissin,
Hi, I seem to be having difficulty tracking down a public source for Paris and it's surrounding regions.
I found this website : http://ids.equipex-geosud.fr/web/guest/france
I cannot fathom out what is required to register, seems like I've got to go through a ridiculously convoluted application to get the data.
Does anyone know an easier route ? I've tried contacting the site numerous times but have received no response.
I make tracks for Asseto Corsa, Google earth STRM just
Open .fit image file
By Bielorusse,
Hello,
I am trying to open an image file with the extension ".fit". Does anybody know which software to use ?
I obtained this image using the WASI software (Water Color Simulator) available on the IOCCG website (http://ioccg.org/resources/software/).
The contents of the image file are described by a additional ".hdr" file. The image file contains several bands, corresponding to the different parameters of the water (constituant concentration, bottom depth, etc) compu
S shaped curve in ArcMapHe
By Maya007,
Hello all,
I am trying to add an S-shaped curve using Raster calculator In ArcMap. It has to be a decreasing one starting from 250 and ending at 1250. The start value corresponding to 250 has to be 1 and end value corresponding to 1250 has to be 0.
Please drop in your comments
Maya
Adding a sigmoidal curve function in raster calculator
By Maya007,
Hello all,
i would like to add a sigmoidal function to create a factor map In Arcmap. The function has to decrease with increase in values.
For example: The suitability should be 1 for a distance of 250m and then it should decrease as a cosine function till 1250m.
250 m has highest suitability value 1 and it decreases to 0 for distances more than 1250m
Could someone explain how to do this using raster calculator?
Thanks for the help,
Maya
Map and PowerPoint
By Reyalino,
Dear All gisarea
Designing a map which gave good interpretation is quite challenging in my opinion, and now I am facing new other challenges. Combining a map and power point :-D it sound easy for many people but not with me. When I am googling I found this interesting blog: geodharma "Quick & Beautiful Maps: Connecting ArcMap & PowerPoint…?" I would be happy to hear from all of you regarding your experiences in presenting map using power point or any other platforms you used.
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Are you ready to level up your geospatial skills? Join our comprehensive training course covering ArcMap, ArcGIS Pro, and ArcOnline—the essential tools for modern spatial analysis and programming! What You’ll Learn: Core functionalities of ArcMap & ArcGIS Pro Cloud-based mapping with ArcGIS Online Automating workflows with Python & ModelBuilder Creating interactive web maps & apps Who Should Enroll? GIS beginners & professionals Urban planners, environmental scientists, & data analysts Developers looking to integrate spatial programming Why Choose This Course? Hands-on projects & real-world applications Expert-led sessions & flexible learning Limited slots available! Click here to register. Let’s shape the future of spatial data together! -
GPS is an incredible piece of modern technology. Not only does it allow for locating objects precisely anywhere on the planet, but it also enables the turn-by-turn directions we take for granted these days — all without needing anything more than a radio receiver and some software to decode the signals constantly being sent down from space. [Chris] took that last bit bit as somewhat of a challenge and set off to write a software-defined GPS receiver from the ground up. As GPS started as a military technology, the level of precision needed for things like turn-by-turn navigation wasn’t always available to civilians. The “coarse” positioning is only capable of accuracy within a few hundred meters, so this legacy capability is the first thing that [Chris] tackles here. It is pretty fast, though, with the system able to resolve a location in 24 seconds from cold start and then displaying its information in a browser window. Everything in this build is done in Python as well, meaning that it’s a great starting point for investigating how GPS works and for building other projects from there. The other thing that makes this project accessible is that the only other hardware needed besides a computer that runs Python is an RTL-SDR dongle. These inexpensive TV dongles ushered in a software-defined radio revolution about a decade ago when it was found that they could receive a wide array of radio signals beyond just TV. source: Hackaday and GitHub - chrisdoble/gps-receiver
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