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Instead of storing the geometry on all nodes (increasing memory drain) we only store what the indexer needs. The bounds bottom is only used in the compare method when checking for z and y ordering. r=ahocevar (closes #2198)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@9590 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2009-07-27 16:50:33 +00:00
parent 8b741bc666
commit 7b90863198
2 changed files with 37 additions and 35 deletions
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12
lib/OpenLayers/Renderer/Elements.js
View File

@@ -318,12 +318,9 @@ OpenLayers.ElementsIndexer.IndexingMethods = {
nextNode
);
if (nextNode && returnVal == 0) {
var newLat = newNode._geometry.getBounds().bottom;
var nextLat = nextNode._geometry.getBounds().bottom;
var result = nextLat - newLat;
returnVal = (result ==0) ? 1 : result;
if (nextNode && returnVal === 0) {
var result = nextNode._boundsBottom - newNode._boundsBottom;
returnVal = (result === 0) ? 1 : result;
}
return returnVal;
@@ -560,7 +557,7 @@ OpenLayers.Renderer.Elements = OpenLayers.Class(OpenLayers.Renderer, {
// Set the data for the node, then draw it.
node._featureId = featureId;
node._geometry = geometry;
node._boundsBottom = geometry.getBounds().bottom;
node._geometryClass = geometry.CLASS_NAME;
node._style = style;
@@ -697,7 +694,6 @@ OpenLayers.Renderer.Elements = OpenLayers.Class(OpenLayers.Renderer, {
break;
}
node._style = style;
node._options = options;
//set style

60
tests/Renderer/Elements.html
View File

@@ -155,9 +155,10 @@
r.getNodeType = function(geometry, style) {
return "div";
};
geometry = {
var geometry = {
id: 'foo',
CLASS_NAME: 'bar'
CLASS_NAME: 'bar',
getBounds: function() {return {bottom: 0}}
};
var style = {'backgroundGraphic': 'foo'};
var featureId = 'dude';
@@ -191,6 +192,10 @@
setUp();
var geometry = {
getBounds: function() {return {bottom: 0}}
}
var r = create_renderer();
var element = document.createElement("div");
@@ -210,9 +215,9 @@
properDraw = true;
return {};
};
geometry = {CLASS_NAME: 'OpenLayers.Geometry.Point'};
var point = OpenLayers.Util.applyDefaults({CLASS_NAME: 'OpenLayers.Geometry.Point'}, geometry);
style = true;
r.drawGeometry(geometry, style);
r.drawGeometry(point, style);
t.ok(properDraw, "drawGeometry called drawPoint when passed a point");
// line string
@@ -221,9 +226,9 @@
properDraw = true;
return {};
};
geometry = {id: "foo", CLASS_NAME: 'OpenLayers.Geometry.LineString'};
var linestring = OpenLayers.Util.applyDefaults({id: "foo", CLASS_NAME: 'OpenLayers.Geometry.LineString'}, geometry);
style = true;
r.drawGeometry(geometry, style);
r.drawGeometry(linestring, style);
t.ok(properDraw, "drawGeometry called drawLineString when passed a line string");
// linear ring
@@ -232,9 +237,9 @@
properDraw = true;
return {};
};
geometry = {CLASS_NAME: 'OpenLayers.Geometry.LinearRing'};
var linearring = OpenLayers.Util.applyDefaults({CLASS_NAME: 'OpenLayers.Geometry.LinearRing'}, geometry);
style = true;
r.drawGeometry(geometry, style);
r.drawGeometry(linearring, style);
t.ok(properDraw, "drawGeometry called drawLinearRing when passed a linear ring");
// polygon
@@ -243,9 +248,9 @@
properDraw = true;
return {};
};
geometry = {CLASS_NAME: 'OpenLayers.Geometry.Polygon'};
var polygon = OpenLayers.Util.applyDefaults({CLASS_NAME: 'OpenLayers.Geometry.Polygon'}, geometry);
style = true;
r.drawGeometry(geometry, style);
r.drawGeometry(polygon, style);
t.ok(properDraw, "drawGeometry called drawPolygon when passed a polygon");
// surface
@@ -254,9 +259,9 @@
properDraw = true;
return {};
}
geometry = {CLASS_NAME: 'OpenLayers.Geometry.Surface'};
var surface = OpenLayers.Util.applyDefaults({CLASS_NAME: 'OpenLayers.Geometry.Surface'}, geometry);
style = true;
r.drawGeometry(geometry, style);
r.drawGeometry(surface, style);
t.ok(properDraw, "drawGeometry called drawSurface when passed a surface");
// rectangle
@@ -265,9 +270,9 @@
properDraw = true;
return {};
};
geometry = {CLASS_NAME: 'OpenLayers.Geometry.Rectangle'};
var rectangle = OpenLayers.Util.applyDefaults({CLASS_NAME: 'OpenLayers.Geometry.Rectangle'}, geometry);
style = true;
r.drawGeometry(geometry, style);
r.drawGeometry(rectangle, style);
t.ok(properDraw, "drawGeometry called drawRectangle when passed a rectangle");
// multi-point
@@ -276,12 +281,12 @@
properDraw = true;
return {};
};
geometry = {
var multipoint = OpenLayers.Util.applyDefaults({
CLASS_NAME: 'OpenLayers.Geometry.MultiPoint',
components: [{CLASS_NAME: 'OpenLayers.Geometry.Point'}]
};
components: [point]
}, geometry);
style = true;
r.drawGeometry(geometry, style);
r.drawGeometry(multipoint, style);
t.ok(properDraw, "drawGeometry called drawPoint when passed a multi-point");
// multi-linestring
@@ -290,12 +295,12 @@
properDraw = true;
return {};
};
geometry = {
var multilinestring = OpenLayers.Util.applyDefaults({
CLASS_NAME: 'OpenLayers.Geometry.MultiLineString',
components: [{CLASS_NAME: 'OpenLayers.Geometry.LineString'}]
};
components: [linestring]
}, geometry);
style = true;
r.drawGeometry(geometry, style);
r.drawGeometry(multilinestring, style);
t.ok(properDraw, "drawGeometry called drawLineString when passed a multi-linestring");
// multi-polygon
@@ -304,12 +309,12 @@
properDraw = true;
return {};
};
geometry = {
var multipolygon = OpenLayers.Util.applyDefaults({
CLASS_NAME: 'OpenLayers.Geometry.MultiPolygon',
components: [{CLASS_NAME: 'OpenLayers.Geometry.Polygon'}]
};
components: [polygon]
}, geometry);
style = true;
r.drawGeometry(geometry, style);
r.drawGeometry(multipolygon, style);
t.ok(properDraw, "drawGeometry called drawPolygon when passed a multi-polygon");
tearDown();
@@ -489,7 +494,8 @@
var geometry = {
id: 'foo',
CLASS_NAME: 'bar'
CLASS_NAME: 'bar',
getBounds: function() {return {bottom: 0}}
};
var style = {
graphicZIndex: 10