Feature: Non-bendy graph paths #668
Description
Is your feature request related to a problem?
The following code to simulate the distances in the Solar System works pretty well, until you get past Saturn and the paths get too long. At that point they bend back on each other so much that it all ends up looking like a big ball of string.
CREATE the:counter SET val = 1;
DEFINE FUNCTION fn::make_path($from: record<body>, $to: record<body>, $steps: int) {
FOR $step IN 0..=$steps {
IF $step = 0 {
UPDATE ONLY the:counter SET val += 1;
LET $next = type::thing("way", the:counter.val);
CREATE ONLY $next;
RELATE $from->to->$next;
}
ELSE IF $step = $steps {
LET $current = type::thing("way", the:counter.val);
RELATE $current->to->$to;
} ELSE {
LET $this_stop = type::thing("way", the:counter.val);
UPDATE ONLY the:counter SET val += 1;
LET $next = type::thing("way", the:counter.val);
CREATE ONLY $next;
RELATE $this_stop->to->$next;
}
}
};
CREATE body:sun, body:earth, body:venus, body:mercury, body:mars, body:jupiter, body:saturn/*, body:uranus, body:neptune, body:pluto, body:eris*/;
fn::make_path(body:sun, body:mercury, 1);
fn::make_path(body:sun, body:venus, 2);
fn::make_path(body:sun, body:earth, 3);
fn::make_path(body:sun, body:mars, 4);
fn::make_path(body:sun, body:jupiter, 13);
fn::make_path(body:sun, body:saturn, 24);
-- fn::make_path(body:sun, body:uranus, 48);
-- fn::make_path(body:sun, body:neptune, 75);
-- fn::make_path(body:sun, body:pluto, 102);
-- fn::make_path(body:sun, body:eris, 173);
SELECT id, ->to->? FROM body, way;Describe the solution
A box to click on if you prefer straight paths. When choosing straight paths, they will move outward and thus the display area will be chosen by the longest path. In the case of the Solar System example, Eris would be the longest line, the next closer bodies would be consecutively smaller, and by the time you get to the Inner Solar System you can't see it without zooming in.
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