Top "Coordinate-systems" questions

Convert Lat/Longs to X/Y Co-ordinates

I have the Lat/Long value of an small area in Melbourne; -37.803134,145.132377 and also a flat image of that,…

c++ maps coordinates coordinate-systems
Translating between cartesian and screen coordinates

For my game I need functions to translate between two coordinate systems. Well it's mainly math question but what I …

c++ algorithm math coordinates coordinate-systems
get touch coordinates (in the form of 0-480 and 0-320)

i dont get how to translate the coordinates of the iphone. if i make a single touch i get the …

iphone touch coordinate-systems
Android Canvas Coordinate System

I'm trying to find information on how to change the coordinate system for the canvas. I have some vector data …

android drawing canvas coordinate-systems
How to get from Row, Column to Excel A1 notation?

Given a Row and Column (As Long), how can you determine the spreadsheet notation using VBA in Excel (2007): e.g.: (…

excel vba coordinate-systems
Matplotlib imshow offset to match axis?

I'm plotting a bunch of UTM coordinates using a matplotlib.pyplot.scatter. I also have a background air photo that …

python numpy matplotlib gis coordinate-systems
Generating triangular/hexagonal coordinates (xyz)

I'm trying to come up with an iterative function that generates xyz coordinates for a hexagonal grid. With a starting …

math coordinates vector coordinate-systems hexagonal-tiles
How to convert Longitude,Latitude, Elevation to Cartesian coordinates?

I downloaded weather data and it has longitude (in decimal), latitude (in decimal), and elevation (in m) values. There is …

python python-2.7 coordinate-systems cartesian-coordinates
Numpy - Transformations between coordinate systems

Using Numpy I want to transform position vectors between coordinate systems. To help visualize the problem: http://tube.geogebra.org/…

python numpy 3d linear-algebra coordinate-systems
How to convert spherical coordinates to equirectangular projection coordinates?

Simplified question How do you convert a spherical coordinate (θ, φ) into a position (x, y) on an equirectangular projection (also called …

image-processing camera coordinates projection coordinate-systems