Documents: [right-click each button can be used to view the help explain]
1) open planar map image - [can also open in the right] @ flat is approximate, in fact the earth spherical distance is not a small software can solve,
Maximum size of the map is the length and the width is 3000 pixels: 3000 * 3000, in pixels,
Coordinates and [from], in pixels,
Coordinates are screen coordinates, the origin in the upper left corner, X to the right, Y axis is down (not upward)
(2) click on the button, to start with the left mouse button and then check it on the map, and then move the mouse to draw the curve coastline, or a right to point out the next move again and then double-click to paint line, @ because they cannot get the coastline on the map, so you need to users themselves along the map image for the mouse to record keeping, so to get the approximate coastline @ the role of the left and right are different, and the switch Settings
(3) stop portraying the coast, or switch logo has been depicted state
(4) load the shoreline prior saved data
5. Save the depict of coastline data
6. Click to get the coordinates, this is the first point of the button, open the switch, @ then click a point on the map, record the coordinates X, Y in the sash, @ this moment, and then draw circle, centered on the radius of its own change size and distance
7 points as the center of the circle radius R to draw circles, coordinates, and [from], all based on pixels,
For offshore distance L area of dyeing, coordinates, and [from], was all pixels,
Demonstrate the MP4
Description
Reload the current image and refresh, get rid of the red circle, leaving only the blue point
Show the current is in left or is in a state of right
Load superposition type: plus new loaded on current shoreline data
Cover: loaded explicitly clear after the current shoreline data plus new loaded
Online see astronauts shuttle back to earth online articles, find a nim point of the Pacific Ocean to land, so baidu search, and look at the difficult for polar/nim point of knowledge, so want to, want to find any related software under to see, the results can't find a fragment, then, from already start meditation, as a small software to use, because it is a small software, can only be approximate calculation of,
[because there is no any other software to reference, all with my imagination to develop],
To load a map of Antarctica (download, the other maps from already separately download)
Maximum size of the map is the length and the width is 3000 pixels: 3000 * 3000, in pixels,
Coordinates and [from], in pixels, coordinates are screen coordinates, the origin in the upper left corner, X to the right, Y axis is down (not upward)
Depict click coastline, Antarctic maps, at this time, found that is coastline in mainland actual or permanent glaciers or seasonal ice, not sure, is to try to play, do not make too many demands, painted, is set up for offshore distance L=30 try, too small, try to 100 and try again, still is too small, so try to 170175180, so close to the South Pole be offset,
Found that with the online download indicate the error, also don't know whether the plane or the cause of the coastline, actually my small software out as a result, the "difficult to extremely" the arrival of the words were on top of the vertex position,
Then, click on the coordinates of the point, refresh, at this point as the center of the circle to circle, a circle radius is 175 and proved the effect how,
Other maps that play
Algorithm [elucidation] :
Is to point to draw circles centered
Depicting the coastline first, and then to draw circles, each point on the coastline is the most simple algorithm
Verification results also is such, difficult to reach the very center of the circle to draw circles to verify the result,
Time rush, not perfect, please forgive me
Because there is no any other software to reference, all with my imagination to develop,
I don't understand how this aspect of the professional term to describe, is developed according to the simplest algorithm of circle of entertainment, and then share to those who need this, but not open source, free
The author and other related software, all in the authors personal website, all free download to use:
http://www.okmyok.com/Lisoft.htm
The shortest path algorithm for small software, for example, the TSP algorithms software and so on multiple small software, if need to know or, please download to my personal web site or baidu search own download separately, after
Plane be offset extremely/nim point approximate calculation small software Version 1.0
[email protected]
Author: fire people - permeating the amo ng - amogha - vairocana
2021/05/03
Copy this paragraph after open the baidu cloud App, operation more convenient oh, link: https://pan.baidu.com/s/1SJQQdcKTaieQxT0cuy22JA extracted code: q788
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