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-5
votes
0answers
39 views

What are newly attractive and popular topics for research in GIS? [duplicate]

The time for choosing a proper topic to work on for my research is approaching. As you know, the research area of GIS is too extensive, and making an appropriate decision about choosing a suitable ...
2
votes
0answers
47 views

Can I use the Google Elevation API for academic research (licensing)?

I would like to use the Google Elevation API to generate about 5 elevation maps for master's degree research on aircraft collision avoidance. The data would be meshed and used in simulation to ...
6
votes
1answer
423 views

Advantages of R-trees in comparison to geohashes

Geohashes are being widely used in products like: Lucene, mongodb, etc and have become one of the most important technology of present day. Have Geohashes replaced the good old R-trees or do R-trees ...
1
vote
1answer
74 views

Algorithm to find geohashes which satisfy query condition

I have an application where I need to query geohashes by specifying the bounding rectangle. Since geohashes map 2D to 1D is there a method by which I may find the prefixes of all geohashes which ...
3
votes
0answers
235 views

GIS projects with a raspberry pi [closed]

Does anyone know of a project using a raspberry pi and gis that would work for a research project for a computer science major? I am looking to do a research project involving a raspberry pi and ...
0
votes
1answer
109 views

Is it possible to get the positions of all the stoplights for a given area?

I would like to know if there is a database of longitude and latitude values that locate all stoplights for a given area in the US like a city or a state? How would one go about obtaining this info? ...
0
votes
1answer
71 views

Longest common prefix of geohashed points

I currently use Geohash to index some points and retrieve information faster by providing a geohash prefix for a given point for a given distance.. For example if I get a given point at '1600 ...
44
votes
12answers
1k views

In GIScience, is there a generally agreed list of top tier conferences?

In many fields, such as computer sciences, it seems to be quite clear which conferences are top tier and how a paper accepted to those conferences compares to journal publications in the same field. ...
2
votes
0answers
237 views

Linear Referencing Methods: Station Equation origins

DEAR PEOPLE FROM THE FUTURE: Here's what we've figured out so far… I am working in the pipelines field, and I get in touch with the concept of the linear referencing methods, specifically with ...
21
votes
5answers
846 views

What are the “must read” academic articles every GIS professional should read?

There was a related question a while back that dealt with the top GIS blogs, but I'm also very interested in "academic" sources of GIS information. I'm currently updating my repository of information ...
2
votes
0answers
192 views

Polygons of Land Use Change

I am doing a project where I am digitizing a map of Haiti from the 70s. Through R2V I digitized the lines and then I exported it into ArcGIS 10. I am just interested in the land use change, therefore, ...
1
vote
0answers
252 views

system runtime error from ArcHydro [duplicate]

I am getting the below error during execution of archydro. "system runtime interoperservices com exception (0x80004005): error HRESULT E_FAIL" I tried all options available on internet to solve this ...
11
votes
9answers
11k views

Is there a comprehensive list of latitude and longitude values for cities around the world?

I'm developing an application that calculates the distance between cities using their respective Longitude and Latitude values. But the problem is where to get a comprehensive list of latitude and ...
10
votes
3answers
3k views

Would it be possible to use geohash for proximity searches?

I'm looking to optimize point proximity geo searches time. My input is lat,lng point and I'm searching on a precomputed set of locations to n nearest points. I don't care how much time/space the ...
2
votes
1answer
512 views

Distributed WMS (and TMS, optionally) server architecture, GPU rendering

What if we could use the power of dozens of servers to process a lot of incoming WMS requests? And more, using the power of GPU's to do the job of styling the maps for scalability and speed! The ...
7
votes
1answer
286 views

Is the software used in the “seabed UFO” video GIS software? If so, what is it?

The icons almost make it look like the software is ArcReader or an ArcEngine based, but it's hard to tell from the video. I supposed it could not be GIS software at all. Is anyone familiar with this ...
6
votes
2answers
603 views

Managing error with GPS routes (theoretical framework?)

I'm looking for the appropriate theoretical framework or speciality to help me deal with understanding how to deal with the errors that the GPS system has - especially when dealing with routes. ...
12
votes
9answers
3k views

What are the main research areas under development for GISc today?

Along the lines of the closed topic about a master thesis, I would like to propose you guys with a question that it is simple: What are the main areas under active research and development for GISc? ...