coordinates Questions

2

When rendering huge visuals in WPF, the visual gets distorted and more distorted with increasing coordinates. I assume that it has something to do with the floating point data types used in the ren...
Afterwards asked 24/10, 2010 at 18:2

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As I am learning OpenGL I often stumble upon so-called eye space coordinates. If I am right, you typically have three matrices. Model matrix, view matrix and projection matrix. Though I am not ent...
Montmartre asked 23/3, 2013 at 15:59

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How can I create Google Maps links based on coordinates? Their new basic share urls contain a lot of parameters, for example: https://www.google.com/maps/place/Vetlanda,+Sweden/@57.4217311,15.08492...
Armyn asked 30/5, 2015 at 9:5

14

Many strategy games use hexagonal tiles. One of the main advantages is that the distance between the center of any tile and all its neighboring tiles is the same. I was wondering if anyone h...
Retouch asked 14/4, 2009 at 20:34

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I am looking for a function that returns a point (lat, long) between two points (where I also specify their lat, long) and that point is based on a distance percentage. So, I specify Lat1, Lon1, L...
Manolo asked 25/11, 2015 at 1:58

8

I want to create a large database of GPS coordinates that can be queried by saying "Return all coordinates that are within 'n' metres of [this coordinate]". I need it to be as efficient as possibl...
Homothallic asked 14/5, 2009 at 11:40

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So I've read the two related questions for calculating a trend line for a graph, but I'm still lost. I have an array of xy coordinates, and I want to come up with another array of xy coordinates ...
Ungainly asked 4/5, 2010 at 20:48

6

I am trying to understand the OpenGL coordinate system. However, some tutorials say the default coordinate system is left handed (see http://www.c-sharpcorner.com/UploadFile/jeradus/OpenGLBasics111...
Hest asked 8/11, 2010 at 13:0

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Given a list in Python containing 8 x, y coordinate values (all positive) of 4 points as [x1, x2, x3, x4, y1, y2, y3, y4] ((xi, yi) are x and y coordinates of ith point ), How can I sort it such ...
Buddie asked 28/6, 2018 at 4:57

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I have an image 8640x11520 pixels from a part of the map in real scale. I need convert my x, y point to coordinate, anyone has an idea to find out it?? var mapWidth = 8640; var mapHeight = 11520...
Backslide asked 20/11, 2019 at 12:41

3

I have a database of coordinates in the schema: ID:Latitude:Longitude:name:desc I've set up my google maps application to show the markers effectively on the screen. However I need to add another...
Lyonnesse asked 16/10, 2011 at 10:23

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I guess I need to add some explanation, that I want to ask this question, because too short question doesn't quality standards... funny... So, here is the question: How I can get the 'y' coordinat...
Vendee asked 25/3, 2014 at 11:50

3

Is it possible to get the x coordinate from a character in a TextView in Android? I'm not looking for the coordinate of the TextView itself, I need the coordinate of the last character in the TextV...
Parboil asked 1/3, 2019 at 14:4

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Lets say I have 2 kind of coordinate, first called center_point and second called test_point. I want to know if test_point coordinate is inside near or not to center_point coordinate by applying ra...
Englishman asked 9/3, 2017 at 3:47

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I was hoping someone out there could provide me with an equation to calculate a 1km square (X from a.aaa to b.bbb, Y from c.ccc to c.ccc) around a given point, say lat = 53.38292839 and lon = -6.18...
Aggression asked 22/10, 2010 at 20:53

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I try to get the coordinates from the location where I hit the touchscreen to do put a specific UIImage at this point. How can I do this?
Developer asked 9/11, 2014 at 14:34

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For now, I'm generating geo positions with only random module: from random import uniform geo_position = (uniform(-90, 90), uniform(-180, 180)) Obviously, this method can produce a dot somewhere...
Pleinair asked 7/12, 2017 at 10:20

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Goal I want to determine if a test point is within a defined quadrilateral. I'm probably going to implement the solution in Matlab so I only need pseudo-code. Inputs Corners of quadrilateral : (...
Keim asked 7/5, 2011 at 15:29

8

As stated in the title, the goal is to have a way for detecting whether a given GPS coordinate falls inside a polygon or not. The polygon itself can be either convex or concave. It's defined as a ...
Lindstrom asked 26/11, 2010 at 18:38

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I am trying to convert positions in a raster representing a .tif to the corresponding global coordinates. Converting the whole array to a tif and load it to QGIS everything is referenced fine, but ...
Anesthetic asked 21/9, 2018 at 12:34

5

I found a fairly simple example of how to do this but I cant get it to work for me. I'm pretty new to R library(rgdal) xy <- cbind(c(118, 119), c(10, 50)) project(xy, "+proj=utm +zone=51 ellp...
They asked 5/9, 2013 at 15:9

7

Is there a Python module where I can create objects with a geographical location coordinate (latitude and longitude), and query all the objects for ones which are within a 5km distance (i.e. radius...

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I am trying to plot my coordinates using R. I have tried already to follow different post (R: Plot grouped coordinates on world map ; Plotting coordinates of multiple points at google map in R) but...
Herpes asked 17/4, 2014 at 10:24

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I have a coordinate system which basically represents a screen. And I have an arbitrary amount of positions. E.g.: population = [ {x: 100.44, 200.54}, {x: 123.45, 678.9}, {x: 1300.23, 435.81}, ...
Glynas asked 4/2, 2019 at 12:41

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I have following situation: I have a custom ListView with ImageView and TextView in a row. The ImageView has an onTouchListener, wchich invokes my onTouch method. Here are some lines from it: if ...
Offcolor asked 4/6, 2011 at 14:11

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