summaryrefslogtreecommitdiff
path: root/misc/openlayers/tests/Geometry/LineString.html
diff options
context:
space:
mode:
Diffstat (limited to 'misc/openlayers/tests/Geometry/LineString.html')
-rw-r--r--misc/openlayers/tests/Geometry/LineString.html443
1 files changed, 0 insertions, 443 deletions
diff --git a/misc/openlayers/tests/Geometry/LineString.html b/misc/openlayers/tests/Geometry/LineString.html
deleted file mode 100644
index 4b2ec0e..0000000
--- a/misc/openlayers/tests/Geometry/LineString.html
+++ /dev/null
@@ -1,443 +0,0 @@
-<html>
-<head>
- <script src="../OLLoader.js"></script>
- <script type="text/javascript">
- var line;
- var components = [new OpenLayers.Geometry.Point(10,15),
- new OpenLayers.Geometry.Point(0,0)];
-
- function test_LineString_constructor (t) {
- t.plan( 3 );
- line = new OpenLayers.Geometry.LineString();
- t.ok( line instanceof OpenLayers.Geometry.LineString, "new OpenLayers.Geometry.LineString returns line object" );
- t.eq( line.CLASS_NAME, "OpenLayers.Geometry.LineString", "line.CLASS_NAME is set correctly");
- t.eq( line.components, [], "line.components is set correctly");
- }
-
- function test_LineString_constructor (t) {
- t.plan( 3 );
- line = new OpenLayers.Geometry.LineString(components);
- t.ok( line instanceof OpenLayers.Geometry.LineString, "new OpenLayers.Geometry.LineString returns line object" );
- t.eq( line.CLASS_NAME, "OpenLayers.Geometry.LineString", "line.CLASS_NAME is set correctly");
- // TBD FIXME, recursion
- // t.eq( line.components, components, "line.components is set correctly");
- t.eq( line.components.length, 2, "line.components.length is set correctly");
- }
-
- function test_LineString_toString(t) {
- t.plan(1);
-
- line = new OpenLayers.Geometry.LineString(components);
- t.eq(line.toString(),
- "LINESTRING(10 15,0 0)",
- "toString() returns WKT");
- }
-
- function test_LineString_removeComponent(t) {
- t.plan(2);
-
- OpenLayers.Geometry.Collection.prototype._removeComponent =
- OpenLayers.Geometry.Collection.prototype.removeComponent;
- OpenLayers.Geometry.Collection.prototype.removeComponent =
- function(point) { g_removeComponent = point; };
-
- line = new OpenLayers.Geometry.LineString(components);
-
- g_removeComponent = null;
- line.removeComponent(components[0]);
- t.ok(g_removeComponent == null, "point not removed if only 2 points in components");
-
- line.components.push(new OpenLayers.Geometry.Point(4,4));
- line.removeComponent(components[0]);
- t.ok(g_removeComponent, components[0], "point removed if 3 points in components");
-
- OpenLayers.Geometry.Collection.prototype.removeComponent =
- OpenLayers.Geometry.Collection.prototype._removeComponent;
- }
-
- function test_LineString_move(t) {
- t.plan(4);
-
- var components = [new OpenLayers.Geometry.Point(10,15),
- new OpenLayers.Geometry.Point(0,0)];
- var line = new OpenLayers.Geometry.LineString(components);
-
- var x0 = components[0].x;
- var y0 = components[0].y;
- var x1 = components[1].x;
- var y1 = components[1].y;
-
- var dx = 10 * Math.random();
- var dy = 10 * Math.random();
- line.move(dx, dy);
-
- t.eq(line.components[0].x, x0 + dx, "move() correctly modifies first x");
- t.eq(line.components[0].y, y0 + dy, "move() correctly modifies first y");
- t.eq(line.components[1].x, x1 + dx, "move() correctly modifies second x");
- t.eq(line.components[1].y, y1 + dy, "move() correctly modifies second y");
- }
-
- function test_LineString_rotate(t) {
- t.plan(6);
-
- var components = [new OpenLayers.Geometry.Point(10,15),
- new OpenLayers.Geometry.Point(0,0)];
- var geometry = new OpenLayers.Geometry.LineString(components);
-
- var originals = [];
- var comp;
- var angle = 2 * Math.PI * Math.random();
- var origin = new OpenLayers.Geometry.Point(10 * Math.random(),
- 10 * Math.random());
- for(var i=0; i<geometry.components.length; ++i) {
- comp = geometry.components[i];
- originals[i] = comp.rotate;
- comp.rotate = function(a, o) {
- t.ok(true, "rotate called for component " + i);
- t.ok(a == angle, "rotate called with correct angle");
- t.ok(o == origin, "rotate called with correct origin");
- }
- }
- geometry.rotate(angle, origin);
-
- // restore the original rotate defs
- for(var i=0; i<geometry.components.length; ++i) {
- comp.rotate = originals[i];
- }
- }
-
- function test_LineString_resize(t) {
- t.plan(8);
-
- var tolerance = 1e-10;
-
- var components = [new OpenLayers.Geometry.Point(10 * Math.random(),
- 10 * Math.random()),
- new OpenLayers.Geometry.Point(10 * Math.random(),
- 10 * Math.random())];
- var geometry = new OpenLayers.Geometry.LineString(components);
-
- var origin = new OpenLayers.Geometry.Point(10 * Math.random(),
- 10 * Math.random());
-
- var scale = 10 * Math.random();
-
- var oldLength = geometry.getLength();
- var ret = geometry.resize(scale, origin);
- t.ok(ret === geometry, "resize returns geometry");
- var newLength = geometry.getLength();
- t.ok((((newLength / oldLength) - scale) / scale) < tolerance,
- "resize correctly changes the length of a linestring")
-
- var originals = [];
- var comp;
- for(var i=0; i<geometry.components.length; ++i) {
- comp = geometry.components[i];
- originals[i] = comp.resize;
- comp.resize = function(s, o) {
- t.ok(true, "resize called for component " + i);
- t.ok(s == scale, "resize called with correct scale");
- t.ok(o == origin, "resize called with correct origin");
- }
- }
- geometry.resize(scale, origin);
-
- // restore the original resize defs
- for(var i=0; i<geometry.components.length; ++i) {
- comp.resize = originals[i];
- }
-
- }
-
- function test_split(t) {
- var wkt = OpenLayers.Geometry.fromWKT;
-
- var cases = [{
- msg: "no intersection",
- g1: "LINESTRING(0 0, 0 1)",
- g2: "LINESTRING(1 0, 1 1)",
- exp: null
- } , {
- msg: "intersection at midpoint",
- g1: "LINESTRING(0 0, 1 1)",
- g2: "LINESTRING(1 0, 0 1)",
- exp: ["LINESTRING(1 0, 0.5 0.5)", "LINESTRING(0.5 0.5, 0 1)"]
- }, {
- msg: "intersection at midpoint (reverse source/target)",
- g1: "LINESTRING(1 0, 0 1)",
- g2: "LINESTRING(0 0, 1 1)",
- exp: ["LINESTRING(0 0, 0.5 0.5)", "LINESTRING(0.5 0.5, 1 1)"]
- }, {
- msg: "intersection at endpoint",
- g1: "LINESTRING(0 0, 1 1)",
- g2: "LINESTRING(1 0, 1 1)",
- exp: null
- }, {
- msg: "midpoint intersection, no options",
- g1: "LINESTRING(0 0, 2 2)",
- g2: "LINESTRING(0 2, 2 0)",
- exp: ["LINESTRING(0 2, 1 1)", "LINESTRING(1 1, 2 0)"]
- }, {
- msg: "midpoint intersection, edge false",
- opt: {edge: false},
- g1: "LINESTRING(0 0, 2 2)",
- g2: "LINESTRING(0 2, 2 0)",
- exp: null
- }, {
- msg: "midpoint intersection, mutual",
- opt: {mutual: true},
- g1: "LINESTRING(0 0, 2 2)",
- g2: "LINESTRING(0 2, 2 0)",
- exp: [["LINESTRING(0 0, 1 1)", "LINESTRING(1 1, 2 2)"], ["LINESTRING(0 2, 1 1)", "LINESTRING(1 1, 2 0)"]]
- }, {
- msg: "close intersection, no tolerance",
- g1: "LINESTRING(0 0, 0.9 0.9)",
- g2: "LINESTRING(0 2, 2 0)",
- exp: null
- }, {
- msg: "close intersection, within tolerance",
- opt: {tolerance: 0.2},
- g1: "LINESTRING(0 0, 0.9 0.9)",
- g2: "LINESTRING(0 2, 2 0)",
- exp: ["LINESTRING(0 2, 0.9 0.9)", "LINESTRING(0.9 0.9, 2 0)"]
- }];
-
- t.plan(cases.length);
- var c, parts, part, midparts;
- for(var i=0; i<cases.length; ++i) {
- c = cases[i];
- var g1 = wkt(c.g1);
- var g2 = wkt(c.g2);
- var got = g1.split(g2, c.opt);
- var exp = c.exp;
- if(got instanceof Array) {
- parts = [];
- for(var j=0; j<got.length; ++j) {
- part = got[j];
- if(part instanceof Array) {
- midparts = [];
- for(var k=0; k<part.length; ++k) {
- midparts.push(part[k].toString());
- }
- parts.push("[" + midparts.join(", ") + "]");
- } else {
- parts.push(got[j].toString());
- }
- }
- got = parts.join(", ");
- }
- if(exp instanceof Array) {
- parts = [];
- for(var j=0; j<exp.length; ++j) {
- part = exp[j];
- if(part instanceof Array) {
- midparts = [];
- for(var k=0; k<part.length; ++k) {
- midparts.push(wkt(part[k]).toString());
- }
- parts.push("[" + midparts.join(", ") + "]");
- } else {
- parts.push(wkt(exp[j]).toString());
- }
- }
- exp = parts.join(", ");
- }
- t.eq(got, exp, "case " + i + ": " + c.msg);
- }
-
- }
-
-
- function test_distanceTo(t) {
- var wkt = OpenLayers.Geometry.fromWKT;
- var geoms = [
- wkt("POINT(0 0)"),
- wkt("LINESTRING(-2 0, 0 -2, 2 -1, 2 0)")
- ];
-
- var cases = [{
- got: geoms[1].distanceTo(geoms[0]),
- expected: Math.sqrt(2)
- }, {
- got: geoms[1].distanceTo(geoms[0], {details: true}),
- expected: {
- distance: Math.sqrt(2),
- x0: -1, y0: -1,
- x1: 0, y1: 0
- }
- }];
-
- t.plan(cases.length);
- for(var i=0; i<cases.length; ++i) {
- t.eq(cases[i].got, cases[i].expected, "case " + i);
- }
-
- }
-
- function test_LineString_equals(t) {
- t.plan(3);
-
- var x0 = Math.random() * 100;
- var y0 = Math.random() * 100;
- var x1 = Math.random() * 100;
- var y1 = Math.random() * 100;
- var point0 = new OpenLayers.Geometry.Point(x0, y0);
- var point1 = new OpenLayers.Geometry.Point(x1, y1);
- var geometry = new OpenLayers.Geometry.LineString([point0, point1]);
- var equal = new OpenLayers.Geometry.LineString([point0, point1]);
- var offX = new OpenLayers.Geometry.LineString([
- new OpenLayers.Geometry.Point(x0 + 1, y0),
- new OpenLayers.Geometry.Point(x1 + 1, y1)]);
- var offY = new OpenLayers.Geometry.LineString([
- new OpenLayers.Geometry.Point(x0, y0 + 1),
- new OpenLayers.Geometry.Point(x1, y1 + 1)]);
- t.ok(geometry.equals(equal),
- "equals() returns true for a geometry with equivalent coordinates");
- t.ok(!geometry.equals(offX),
- "equals() returns false for a geometry with offset x");
- t.ok(!geometry.equals(offY),
- "equals() returns false for a geometry with offset y");
- }
-
-
- function test_getVertices(t) {
- t.plan(14);
-
- var points = [
- new OpenLayers.Geometry.Point(10, 20),
- new OpenLayers.Geometry.Point(20, 30),
- new OpenLayers.Geometry.Point(30, 40),
- new OpenLayers.Geometry.Point(40, 50)
- ];
- var line = new OpenLayers.Geometry.LineString(points);
-
- var verts = line.getVertices();
- t.ok(verts instanceof Array, "got back an array");
- t.eq(verts.length, points.length, "of correct length length");
- t.geom_eq(verts[0], points[0], "0: correct geometry");
- t.geom_eq(verts[1], points[1], "1: correct geometry");
- t.geom_eq(verts[2], points[2], "2: correct geometry");
- t.geom_eq(verts[3], points[3], "3: correct geometry");
-
- // get nodes only
- var nodes = line.getVertices(true);
- t.ok(nodes instanceof Array, "[nodes only] got back an array");
- t.eq(nodes.length, 2, "[nodes only] of correct length length");
- t.geom_eq(nodes[0], points[0], "[nodes only] first: correct geometry");
- t.geom_eq(nodes[1], points[points.length-1], "[nodes only] last: correct geometry");
-
- // no nodes
- var nodes = line.getVertices(false);
- t.ok(nodes instanceof Array, "[no nodes] got back an array");
- t.eq(nodes.length, 2, "[no nodes] of correct length length");
- t.geom_eq(nodes[0], points[1], "[no nodes] first: correct geometry");
- t.geom_eq(nodes[1], points[2], "[no nodes] last: correct geometry");
-
- }
-
-
- function test_LineString_clone(t) {
- t.plan(2);
-
- var x0 = Math.random() * 100;
- var y0 = Math.random() * 100;
- var x1 = Math.random() * 100;
- var y1 = Math.random() * 100;
- var point0 = new OpenLayers.Geometry.Point(x0, y0);
- var point1 = new OpenLayers.Geometry.Point(x1, y1);
- var geometry = new OpenLayers.Geometry.LineString([point0, point1]);
- var clone = geometry.clone();
- t.ok(clone instanceof OpenLayers.Geometry.LineString,
- "clone() creates an OpenLayers.Geometry.LineString");
- t.ok(geometry.equals(clone), "clone has equivalent coordinates");
- }
-
- function test_getGeodesicLength(t) {
-
- // expected values from http://www.movable-type.co.uk/scripts/latlong-vincenty.html
- var cases = [{
- wkt: "LINESTRING(0 0, -10 45)",
- exp: 5081689.690
- }, {
- wkt: "LINESTRING(-10 45, 0 0)",
- exp: 5081689.690
- }, {
- wkt: "LINESTRING(0 0, -10 45, -20 50)",
- exp: 5081689.690 + 935018.062
- }];
- t.plan(cases.length);
-
- var geom, got;
- for(var i=0; i<cases.length; ++i) {
- geom = new OpenLayers.Geometry.fromWKT(cases[i].wkt);
- got = geom.getGeodesicLength();
- t.eq(Math.round(got), Math.round(cases[i].exp), "[case " + i + "] length calculated");
- }
-
- }
-
- function test_LineString_simplify(t){
- t.plan(8);
- var ls1 = new OpenLayers.Geometry.LineString([
- new OpenLayers.Geometry.Point(0,0),
- new OpenLayers.Geometry.Point(1,2.1),
- new OpenLayers.Geometry.Point(1.8,3.8),
- new OpenLayers.Geometry.Point(2,4),
- new OpenLayers.Geometry.Point(3,4),
- new OpenLayers.Geometry.Point(4,4.5),
- new OpenLayers.Geometry.Point(5,5)
-
- ]);
- var ls2 = new OpenLayers.Geometry.LineString([
- new OpenLayers.Geometry.Point(0,0),
- new OpenLayers.Geometry.Point(1,2.1),
- new OpenLayers.Geometry.Point(1.8,3.8),
- new OpenLayers.Geometry.Point(2,4),
- new OpenLayers.Geometry.Point(3,4),
- new OpenLayers.Geometry.Point(4,4.5),
- new OpenLayers.Geometry.Point(5,5),
- new OpenLayers.Geometry.Point(0,0)
-
- ]);
- var ls3 = new OpenLayers.Geometry.LineString([
- new OpenLayers.Geometry.Point(0,0),
- new OpenLayers.Geometry.Point(1,1)
- ]);
- var ls5 = new OpenLayers.Geometry.LineString([
- new OpenLayers.Geometry.Point(0,0),
- new OpenLayers.Geometry.Point(1,1),
- new OpenLayers.Geometry.Point(2,2),
- new OpenLayers.Geometry.Point(3,3),
- new OpenLayers.Geometry.Point(4,4),
- new OpenLayers.Geometry.Point(5,5)
-
- ]);
- var ls6 = new OpenLayers.Geometry.LineString([
- new OpenLayers.Geometry.Point(0,0),
- new OpenLayers.Geometry.Point(1,1),
- new OpenLayers.Geometry.Point(1,1),
- new OpenLayers.Geometry.Point(3,2)
- ]);
-
- t.ok(ls1 instanceof OpenLayers.Geometry.LineString, 'LineString is instance of OpenLayers.Geometry.LineString');
- var simplified1 = ls1.simplify(0.5);
- t.ok(simplified1 instanceof OpenLayers.Geometry.LineString, 'Simplified LineString is instance of OpenLayers.Geometry.LineString');
- t.ok(simplified1.getVertices().length <= ls1.getVertices().length, 'Simplified LineString has less or equal number of vertices');
- // The simplified version is derived from PostGIS function ST_SIMPLIFY()
- t.ok(simplified1.toString() === 'LINESTRING(0 0,1.8 3.8,5 5)', 'LineString 1 was simplified correctly');
- var simplified2 = ls2.simplify(0.5);
- // The simplified version is derived from PostGIS function ST_SIMPLIFY()
- t.ok(simplified2.toString() === 'LINESTRING(0 0,1.8 3.8,5 5,0 0)', 'LineString 2 was simplified correctly');
- var simplified3 = ls3.simplify(0.5);
- t.ok(simplified3.toString() === ls3.toString(), 'LineString with 2 vertices is left untouched');
- var simplified5 = ls5.simplify(0.0);
- t.ok(simplified5.toString() === 'LINESTRING(0 0,5 5)', 'A tolerance of 0 returns the optimized version needless vertices');
- var simplified6 = ls6.simplify(0.0);
- t.ok(simplified6.toString() === 'LINESTRING(0 0,1 1,3 2)', 'A tolerance of 0 returns the optimized version without doubled vertices');
- }
-
- </script>
-</head>
-<body>
-</body>
-</html>
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-05 12:09:11 +0000