summaryrefslogtreecommitdiff
path: root/misc/openlayers/lib/OpenLayers/Layer/KaMap.js
diff options
context:
space:
mode:
authorChris Schlaeger <chris@linux.com>2014-08-12 21:56:44 +0200
committerChris Schlaeger <chris@linux.com>2014-08-12 21:56:44 +0200
commitea346a785dc1b3f7c156f6fc33da634e1f1a627b (patch)
treeaf67530553d20b6e82ad60fd79593e9c4abf5565 /misc/openlayers/lib/OpenLayers/Layer/KaMap.js
parent59741cd535c47f25971bf8c32b25da25ceadc6d5 (diff)
downloadpostrunner-ea346a785dc1b3f7c156f6fc33da634e1f1a627b.zip
Adding jquery, flot and openlayers to be included with the GEM.v0.0.4
Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Layer/KaMap.js')
-rw-r--r--misc/openlayers/lib/OpenLayers/Layer/KaMap.js192
1 files changed, 192 insertions, 0 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Layer/KaMap.js b/misc/openlayers/lib/OpenLayers/Layer/KaMap.js
new file mode 100644
index 0000000..3de2224
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/KaMap.js
@@ -0,0 +1,192 @@
+/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
+ * full list of contributors). Published under the 2-clause BSD license.
+ * See license.txt in the OpenLayers distribution or repository for the
+ * full text of the license. */
+
+
+/**
+ * @requires OpenLayers/Layer/Grid.js
+ */
+
+/**
+ * Class: OpenLayers.Layer.KaMap
+ *
+ * Inherits from:
+ * - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.KaMap = OpenLayers.Class(OpenLayers.Layer.Grid, {
+
+ /**
+ * APIProperty: isBaseLayer
+ * {Boolean} KaMap Layer is always a base layer
+ */
+ isBaseLayer: true,
+
+ /**
+ * Constant: DEFAULT_PARAMS
+ * {Object} parameters set by default. The default parameters set
+ * the format via the 'i' parameter to 'jpeg'.
+ */
+ DEFAULT_PARAMS: {
+ i: 'jpeg',
+ map: ''
+ },
+
+ /**
+ * Constructor: OpenLayers.Layer.KaMap
+ *
+ * Parameters:
+ * name - {String}
+ * url - {String}
+ * params - {Object} Parameters to be sent to the HTTP server in the
+ * query string for the tile. The format can be set via the 'i'
+ * parameter (defaults to jpg) , and the map should be set via
+ * the 'map' parameter. It has been reported that ka-Map may behave
+ * inconsistently if your format parameter does not match the format
+ * parameter configured in your config.php. (See ticket #327 for more
+ * information.)
+ * options - {Object} Additional options for the layer. Any of the
+ * APIProperties listed on this layer, and any layer types it
+ * extends, can be overridden through the options parameter.
+ */
+ initialize: function(name, url, params, options) {
+ OpenLayers.Layer.Grid.prototype.initialize.apply(this, arguments);
+ this.params = OpenLayers.Util.applyDefaults(
+ this.params, this.DEFAULT_PARAMS
+ );
+ },
+
+ /**
+ * Method: getURL
+ *
+ * Parameters:
+ * bounds - {<OpenLayers.Bounds>}
+ *
+ * Returns:
+ * {String} A string with the layer's url and parameters and also the
+ * passed-in bounds and appropriate tile size specified as
+ * parameters
+ */
+ getURL: function (bounds) {
+ bounds = this.adjustBounds(bounds);
+ var mapRes = this.map.getResolution();
+ var scale = Math.round((this.map.getScale() * 10000)) / 10000;
+ var pX = Math.round(bounds.left / mapRes);
+ var pY = -Math.round(bounds.top / mapRes);
+ return this.getFullRequestString(
+ { t: pY,
+ l: pX,
+ s: scale
+ });
+ },
+
+ /**
+ * Method: calculateGridLayout
+ * ka-Map uses the center point of the map as an origin for
+ * its tiles. Override calculateGridLayout to center tiles
+ * correctly for this case.
+ *
+ * Parameters:
+ * bounds - {<OpenLayers.Bound>}
+ * origin - {<OpenLayers.LonLat>}
+ * resolution - {Number}
+ *
+ * Returns:
+ * {Object} Object containing properties tilelon, tilelat, startcol,
+ * startrow
+ */
+ calculateGridLayout: function(bounds, origin, resolution) {
+ var tilelon = resolution*this.tileSize.w;
+ var tilelat = resolution*this.tileSize.h;
+
+ var offsetlon = bounds.left;
+ var tilecol = Math.floor(offsetlon/tilelon) - this.buffer;
+
+ var offsetlat = bounds.top;
+ var tilerow = Math.floor(offsetlat/tilelat) + this.buffer;
+
+ return {
+ tilelon: tilelon, tilelat: tilelat,
+ startcol: tilecol, startrow: tilerow
+ };
+ },
+
+ /**
+ * Method: getTileBoundsForGridIndex
+ *
+ * Parameters:
+ * row - {Number} The row of the grid
+ * col - {Number} The column of the grid
+ *
+ * Returns:
+ * {<OpenLayers.Bounds>} The bounds for the tile at (row, col)
+ */
+ getTileBoundsForGridIndex: function(row, col) {
+ var origin = this.getTileOrigin();
+ var tileLayout = this.gridLayout;
+ var tilelon = tileLayout.tilelon;
+ var tilelat = tileLayout.tilelat;
+ var minX = (tileLayout.startcol + col) * tilelon;
+ var minY = (tileLayout.startrow - row) * tilelat;
+ return new OpenLayers.Bounds(
+ minX, minY,
+ minX + tilelon, minY + tilelat
+ );
+ },
+
+ /**
+ * APIMethod: clone
+ *
+ * Parameters:
+ * obj - {Object}
+ *
+ * Returns:
+ * {<OpenLayers.Layer.Kamap>} An exact clone of this OpenLayers.Layer.KaMap
+ */
+ clone: function (obj) {
+
+ if (obj == null) {
+ obj = new OpenLayers.Layer.KaMap(this.name,
+ this.url,
+ this.params,
+ this.getOptions());
+ }
+
+ //get all additions from superclasses
+ obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+ // copy/set any non-init, non-simple values here
+ if (this.tileSize != null) {
+ obj.tileSize = this.tileSize.clone();
+ }
+
+ // we do not want to copy reference to grid, so we make a new array
+ obj.grid = [];
+
+ return obj;
+ },
+
+ /**
+ * APIMethod: getTileBounds
+ * Returns The tile bounds for a layer given a pixel location.
+ *
+ * Parameters:
+ * viewPortPx - {<OpenLayers.Pixel>} The location in the viewport.
+ *
+ * Returns:
+ * {<OpenLayers.Bounds>} Bounds of the tile at the given pixel location.
+ */
+ getTileBounds: function(viewPortPx) {
+ var resolution = this.getResolution();
+ var tileMapWidth = resolution * this.tileSize.w;
+ var tileMapHeight = resolution * this.tileSize.h;
+ var mapPoint = this.getLonLatFromViewPortPx(viewPortPx);
+ var tileLeft = tileMapWidth * Math.floor(mapPoint.lon / tileMapWidth);
+ var tileBottom = tileMapHeight * Math.floor(mapPoint.lat / tileMapHeight);
+ return new OpenLayers.Bounds(tileLeft, tileBottom,
+ tileLeft + tileMapWidth,
+ tileBottom + tileMapHeight);
+ },
+
+ CLASS_NAME: "OpenLayers.Layer.KaMap"
+});