Take a non-western approach to reading and you might end up from right to left or from top to bottom in columns. The common reading direction (beware - this is only yet another convention) is from the left to the right and from the top to the bottom. This is just a very short introduction to the origin of this confusion and does not intended to prove anything (for example which is "right". Signed values increase right and up limited to -180, -90, 180, 90 (a spheroid)Īll result in an ordered pair of numbers describing a position in space but there is some confusion as to the order.Axis Order varies, sometimes (Y,X), othertimes (X,Y).The resulting graphics (often the screen or window size) size is a limit
#Abscissa math definition software#
Thank you.įrom the perspective of a geographic software design three coordinate systems can potentially be addressed. If you can add to the solution go hack the Wiki. Find another good summary of the problem here. Check out the EOGEO wms-dev Mailing List for what others have thought about this and read the GeoTools, and GDAL/OGR efforts to shed light on the issue. Then read on and find out how we deal with the problem. Before you start to rant away that they (the respective others) are completely mad at not sticking to either convention A (x,y) or convention B (y,x) please consider this to be a fact.
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