Some of my favorite hacks
for the pleasure of your hacking sensibility
with the hopeful outcome of illuminating
best practices of putting your website on the geoweb
and hinting at the means
to get exactly what you need.
cause I likes the hacks.
hacks are rad.
2. Some of my favorite hacks for the pleasure of your hacking sensibility with the hopeful outcome of illuminating best practices of putting your website on the geoweb and hinting at the means to get exactly what you need. cause I likes the hacks. hacks are rad.
11. http://code.google.com/apis/maps/documentation/reference.html#GStreetviewOverlay Official StreetView API panoClient = new GStreetviewClient(); latlng = new GLatLng(37.784692,-122.39303); panoClient.getNearestPanorama(latlng, showPanoData); function showPanoData(panoData) { if (panoData.code != 200) { GLog.write('showPanoData: Server rejected with code: ' + panoData.code); return; } console.log( panoData.location.latlng ); }
17. Machine Tags namespace:predicate=value geobloggers user controlled, just normal tags structured data geo:lat=37.784692 geo:long=-122.39303 geotagged camel:humpcount=1 loosely coupled lastfm:event=97947 iso:isbn=0713998393 http://www.flickr.com/groups/api/discuss/72157594497877875/ http://adactio.com/journal/1274/
18. machine_tags (Optional) Aside from passing in a fully formed machine tag, there is a special syntax for searching on specific properties : * Find photos using the 'dc' namespace : "machine_tags" => "dc:" * Find photos with a title in the 'dc' namespace : "machine_tags" => "dc:title=" * Find photos titled "mr. camera" in the 'dc' namespace : "machine_tags" => "dc:title=amp;quot;mr. cameraamp;quot; * Find photos whose value is "mr. camera" : "machine_tags" => "*:*=amp;quot;mr. cameraamp;quot;" * Find photos that have a title, in any namespace : "machine_tags" => "*:title=" * Find photos that have a title, in any namespace, whose value is "mr. camera" : "machine_tags" => "*:title=amp;quot;mr. cameraamp;quot;" * Find photos, in the 'dc' namespace whose value is "mr. camera" : "machine_tags" => "dc:*=amp;quot;mr. cameraamp;quot;" Multiple machine tags may be queried by passing a comma-separated list. The number of machine tags you can pass in a single query depends on the tag mode (AND or OR) that you are querying with. "AND" queries are limited to (16) machine tags. "OR" queries are limited to (8). http://www.flickr.com/services/api/flickr.photos.search.html a hack all grown up
20. GeoRSS http://upcoming.yahoo.com/syndicate/v2/place/hCca8XSYA5nn0X1Sfw <item> <title>May 7, Manifesto SF at The Stud</title> <description><![CDATA[MANIFESTO - Leave the boys at home, this is music for men! Deep house, classic disco. Dance the night away! David Harness & Cez Every Wed - 9pm to 2am players.<br /> ]]></description> <guid>http://upcoming.yahoo.com/event/ 600466 /</guid> <link>http://upcoming.yahoo.com/event/600466/</link> <comments>http://upcoming.yahoo.com/event/60046/#comments</comments> <geo:lat>37.7697</geo:lat> <geo:long>-122.42</geo:long> <pubDate>Thu, 07 May 2008 15:50:49 -0700</pubDate> <dc:date>2008-05-08T15:50:49-07:00</dc:date> <xCal:summary>Manifesto SF</xCal:summary> <xCal:dtstart>2008-05-07T21:00:00Z</xCal:dtstart> <xCal:dtend></xCal:dtend> <xCal:location>http://upcoming.yahoo.com/venue/16322/</xCal:location> <xCal:x-calconnect-venue> <xCal:x-calconnect-venue-id>http://upcoming.yahoo.com/venue/16322/</xCal:x-calconnect-venue-id> <xCal:adr> <xCal:x-calconnect-venue-name> The Stud </xCal:x-calconnect-venue-name> <xCal:x-calconnect-street>Harrison @ 9 th Street</xCal:x-calconnect-street> <xCal:x-calconnect-city>San Francisco</xCal:x-calconnect-city> <xCal:x-calconnect-region>California</xCal:x-calconnect-region> <xCal:x-calconnect-postalcode>94103</xCal:x-calconnect-postalcode> <xCal:x-calconnect-country>United States</xCal:x-calconnect-country> </xCal:adr> <xCal:url type='Venue Website'>http://upcoming.yahoo.com/venue/16322/</xCal:url> <xCal:x-calconnect-tel></xCal:x-calconnect-tel> </xCal:x-calconnect-venue> </item>
22. Reguest Upcoming GeoRSS Feed For each item, parse out lat, lng, event-id, venue-name With lat/lng, get panoid from StreetView XML api Request StreetView tiles Post images to flickr with upcoming:event maching tag Wait for upcoming squirrels to run Do a little dance
34. http://microformats.org/wiki/microblogging-nanoformats Nanoformats! L: o Used to define a location o Example: Good place to visit L: Place Georges Pompidou, Paris, France o Example2: Good place to visit L: Place Georges Pompidou, Paris, 75004 o Example3: Good place to visit L:48.860500,2.352260 o Text Syntax: L:<Addres, city or town, region> or L:<Address, city or town, postal code> at the end of a tweet o Geo Syntax: L:<lat,long> + info: (Section 3.4.2 of RFC2426)
36. A Model for GeoWeb friendliness http://dev.opera.com/articles/view/location-based-publishing-and-services/ http://dharmafly.com/blog/bangladeshboat
39. hAtom microformat <ul class=" hfeed vcalendar xoxo"> <li class=" hentry vevent xfolkentry postid-t444623812"> <p class="status">“ <a rel="bookmark" class=" entry-title entry-content summary description taggedlink url " href="http://twitter.com/bangladeshboat/statuses/444623812" title="Posts from the Bangladesh Boat (on Twitter)"> The month long BBC Bangladesh boat trip has come to an end, and what a momentous four weeks it's been! </a>” </p> <ul class="meta"> <li class="update last-update">Last updated by <address class="author vcard fn"> <span class="photo"> <img class="photo" src="http://www.bbc.co.uk/worldservice/bangladeshboat/images/alastair_ben.jpg" alt="Alastair Lawson-Tancred (left) and Ben Sutherland" width="134" height="96" title="Alastair Lawson-Tancred (left) and Ben Sutherland" /> </span> <span class="fn">Ben Sutherland and Alastair Lawson</span> </address> <abbr class=" published dtstart " title="2007-11-26T16:57:52+06:00">on 28th November 2007</abbr> </li> </ul>
56. move the window setPosition: function() { var x; var y; var a; //L[0] = div containing icon; L[1] is shadow a = findPos(this.marker[settings.map.gmElements.marker.icon_imgs][0]); x = a[0]; y = a[1]; // balloon.firstChild.lastChild is an image stretched to cover // the entire visible balloon, so it's the place to get width/height // arrowx, arrowy are offsets for "arrow" portion of the balloon var arrowx = -25; var arrowy = 70; x -= parseInt(this.balloon.firstChild.lastChild.style.width,10)/2 + arrowx; y -= parseInt(this.balloon.firstChild.lastChild.style.height,10) + arrowy; // offset by the specified offset position x -= this.offset.x; y -= this.offset.y; this.balloon.firstChild.style.left = x + "px"; this.balloon.firstChild.style.top = y +"px"; applyFilters('customBalloonSetPosition', this); }
57. findPos // Position of an object on screen function findPos(obj) { var curleft = 0; var curtop = 0; if (obj.offsetParent) { curleft = obj.offsetLeft; curtop = obj.offsetTop; while ((obj = obj.offsetParent)) { curleft += obj.offsetLeft; curtop += obj.offsetTop; } } return [curleft, curtop]; }
70. http://geothings.ning.com/Flickr/flickrgeocodr_cluster.php to output more detailed information regarding the clusters themselves in REST XML or JSON. You will need to create a query string. The only required key-value pair is "place", and it will use the other values on their default settings. * place = the placename to search for. * format = json|xml (default xml). * searchmode = tags|text (default tags) (text searchs tags, title and description). * sortmode = interestingness-desc|relevance| (or any other values from Flickr API)(default interestingness-desc). * bbox = any min_lon, min_lat, max_lon, max_lat Comma separated, no spaces. Good for limiting to continent / country. (default world -180.0,-90.0,180.0,90.0). * numresults = 5 to 500 (default 50) Number of photo results to process from Flickr, more will slow things down, but may increase sample size, and accuracy. * numclusters = 2 to 20 (default 3) Number of clusters to use internally, experiment with this, I find 3 and 4 fine. * xn_auth =no - a Ning tweak to bypass Ning authenitcation, speeds things up. * showpoints = true|false (defaults to false) Returns photos in each cluster (link to photo, and link url) * showclusters = true|false (defaults to true) format = xml or json (default is xml) http://geocodr.net/FlickrGeocodrDocs.php
81. Other Geometries, Bay to Breakers http://geobloggers.com/archives/2008/04/28/making-sense-of-the-world-web20expo-slides-are-online/ thanks Dan Catt!
82. Crowd Sourced Reverse Geocoding http://geobloggers.com/archives/2008/04/28/making-sense-of-the-world-web20expo-slides-are-online/ thanks Dan Catt!
85. Hacks 1 Geotag Projects * RSS -> Mapufacture -> GeoRSS Fit in the layout * Lightbox maps Plot Custom GeoRSS/Layers * Mapstraction/MGeoRSS
86. Half a world of projects custom CMS w/ no maps http://europeandcis.undp.org/environment/show/3D245417-F203-1EE9-B535882303FB38F5
87. Vanilla RSS of UNDP Projects http://europeandcis.undp.org/home/rss?feed=projects&a=121676,121677,121678,121679,121680,121681&showTags=5
88. UNDP Projects in Mapufacture http://mapufacture.com/feeds/1000504
89. Editing in UNDP Projects in Cyprus http://mapufacture.com/feeds/1000504/edit?category=Cyprus
90. Export GeoRSS back out to UNDP <?xml version="1.0" encoding="UTF-8"?> <rss version="2.0" xmlns:opensearch="http://a9.com/-/spec/opensearch/1.1/" xmlns:georss="http://www.georss.org/georss"> <channel> <title>UNDP Europe &amp; CIS projects</title> <link>http://mapufacture.com/feeds/1000504.rss</link> <pubDate>Sat, 10 May 2008 09:46:15 +0000</pubDate> <description>UNDP Europe &amp; CIS projects</description> <opensearch:startIndex>1</opensearch:startIndex> <opensearch:itemsPerPage>300</opensearch:itemsPerPage> <opensearch:totalResults>297</opensearch:totalResults> <georss:polygon>35.1019340572461 14.26025390625 64.1297836764257 14.26025390625 64.1297836764257 166.22314453125 35.1019340572461 166.22314453125 35.1019340572461 14.26025390625</georss:polygon> <item> <guid>607DD33A-F203-1EE9-BE72B91BA22313DF</guid> <title>Second National Communication for Kyrgyzstan</title> <link>http://europeandcis.undp.org/home/show/607DD33A-F203-1EE9-BE72B91BA22313DF</link> <pubDate>Sun, 20 Apr 2008 17:01:26 +0000</pubDate> <description>Preparation of the Kyrgyz Republic’s Second National Communication to the UNFCCC</description> <category>Frameworks and strategies for sustainable development Europe & CIS Kyrgyzstan Central Asia</category> <georss:point>42.8679124839153 74.542236328125</georss:point> </item> <item> <guid>3D2883E9-F203-1EE9-B3320F78E2657ECE</guid> <title>Support to alignment of NBSAP with CBD obligations</title> <link>http://europeandcis.undp.org/home/show/3D2883E9-F203-1EE9-B3320F78E2657ECE</link> <pubDate>Sun, 20 Apr 2008 17:01:25 +0000</pubDate> <description>Support to alignment of NBSAP with CBD obligations and to development of CHM</description> <category>Frameworks and strategies for sustainable development Europe & CIS Romania EU member countries and Turkey</category> <georss:point>44.355278211603 26.2353515625</georss:point> </item> http://mapufacture.com/feeds/1000504.rss
91. Hacks 2 Geotag Projects * RSS -> Mapufacture -> GeoRSS Fit in the layout * Lightbox maps Plot Custom GeoRSS/Layers * Mapstraction/MGeoRSS
101. MGeoRSS MGeoRSS.prototype.initialize=function(map) { this.map = map; this.rssurl = false; this.request = false; this.initIconsAndCats(); } //All too custom... MGeoRSS.prototype.initIconsAndCats=function(){ this.cat2icon = new Array(); this.cat2icon['Access to sustainable energy services'] = "/uploads/public/File/eemap/icons/sun_20px.png"; this.cat2icon['Frameworks and strategies for sustainable development'] = "/uploads/public/File/eemap/icons/doc_20px.png"; this.cat2icon['Conservation and sustainable use of biodiversity'] = "/uploads/public/File/eemap/icons/leaf_20px.png"; this.cat2icon['Sustainable land management to combat desertification and land degradation'] = "/uploads/public/File/eemap/icons/shovel_20px.png"; this.cat2icon['Effective water governance'] = "/uploads/public/File/eemap/icons/water_20px.png"; this.cat2icon['National/sectoral policy and planning to control emissions of ODS and POPs'] = "/uploads/public/File/eemap/icons/doc_20px.png"; this.cat2layer = new Array(); this.cat2layer['Access to sustainable energy services'] = "energy"; this.cat2layer['Frameworks and strategies for sustainable development'] = "policy"; this.cat2layer['Conservation and sustainable use of biodiversity'] = "biodiversity"; this.cat2layer['Sustainable land management to combat desertification and land degradation'] = "land"; this.cat2layer['Effective water governance'] = "water"; this.cat2layer['National/sectoral policy and planning to control emissions of ODS and POPs'] = "policy"; this.cat2layer['country'] = "country"; }
102. MGeoRSS var marker = new Marker(new LatLonPoint(parseFloat(lat), parseFloat(lng))); var marker; if (cat) { var a_cat = new Array(); for (c in this.cat2layer) { if (cat.indexOf( c ) > -1) { a_cat.push(c); } } //var a_cat = cat.split(','); for (var i=0; i<=a_cat.length; i++) { var caticon = this.cat2icon[ a_cat[i] ]; if (caticon && ! icon) { icon = caticon; } if (this.cat2layer[ a_cat[i] ]) { var tmp = ""; if (marker.getAttribute('category')) { tmp = marker.getAttribute('category'); tmp = tmp + ","; tmp = tmp + this.cat2layer[ a_cat[i] ]; } else { tmp = this.cat2layer[ a_cat[i] ]; } marker.setAttribute('category', tmp); } } } if (icon) { if (rss_icon) { marker.setIcon(icon,[18,12]); //marker.setIcon(icon, [23,15]); } else { marker.setIcon(icon,[20,20]); } }