Questions tagged [geo]

geo is the abbreviation for the term "geographic". It includes handling of geographic coordinates and vectors for display and calculation purpose.

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Geo location into php?

I've got a db full of pretty geo locations. lng and lat's, the question is. I've found a nifty little sql select that will help me compare the geo locations, and pick the ones from my DB that are the closests, but im afraid i need to use my current…
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Nearby coordinates

I will create an app that should post "coordinates" and one other function is to go through the database and find nearby coordinates. Let's say that I had 1.000.000 entries in my database, what algorithm to use? How can i compare the coordinates…
BlackM
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Distance Calculation with a requested set of points

I have a requirement to determine the distance from each point (lat/long) to every other point in the submitted collection. It could be 2 to 200 points. A formula like Haversine is a requirement. For example A,B,C would return A-B - x.x meters, …
JB11
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Calculate latitude longitude of intermediate geo point

I have two geo points (-27, 152) and (9, -83) and an intermediate point is (?, 180). I want to calculate Latitude of the intermediate point. Conditions: 1) On Google Map all three points are on straight line. So please suggest a formula to calculate…
Sukhpal Singh
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My iphone app loads slower than others that are similar

I have a location based social networking app. But it loads a lot slower than other similar apps. It really slows down when loading photos. If I send a photo in a chat window on my app and then the same photo in other similar apps My app takes 10…
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