javascript - Map Route Direction Zoom to Segment -

-

basically trying zoom route segment when getting direction on onemap. here javascript codes trying plot route , zoom route segment:

function getdirections() { var routedata = new route; var = document.getelementbyid('txtfrom').value var = document.getelementbyid('txtto').value //draw out line cordinate cordinate routedata.routestops = + ";" + to;  //what type of mode routedata.routemode = "drive"; //can draw out untill following coordiante routedata.barriers = '36908.388637,35897.420831'; {     if (document.getelementbyid('cbavoid').checked) {         routedata.avoiderp = "1";     }     else         routedata.avoiderp = "0"; } routedata.getroute(showroutedata) }  function showroutedata(routeresults) {     if (routeresults.results == "no results") {         alert("no route found, please try other location.")         return     }     $('#divcomputeddirection').show();     directions = routeresults.results.directions[0];     directionfeatures = directions.features;     var routesymbol = new esri.symbol.simplelinesymbol().setcolor(new dojo.color([0, 0, 255, 0.5])).setwidth(4);     var mergedgeometry = new esri.geometry.polyline()      mergedgeometry.addpath(routeresults.results.routes.features[0].geometry.paths[0])     onemap.map.graphics.add(new esri.graphic(mergedgeometry, routesymbol));     //display total time , distance of route                        var htmlstr = "";     htmlstr += "<img class='close-image' onclick='closedirectionresultdiv();' alt='close' src='img/closedirectionresult.png' />";     htmlstr += "<span style='font-weight:bold;'><br /> &nbsp; total distance: " + math.round(directions.summary.totallength) + "km" + "<br /> &nbsp; total time: " + math.round(directions.summary.totaltime) + "mins <br/></span>";      document.getelementbyid("divcomputeddirection").innerhtml = htmlstr;      //list directions , create hyperlinks each route segment     (var = 0; < directions.features.length; i++) {         var feature = directions.features[i]         document.getelementbyid("divcomputeddirection").innerhtml += '<a href="javascript:zoomtosegment(' + + ')" style="font-size: 11px"><br>' + parseint(parseint(i) + 1) + ". " + feature.attributes.text + " (" + formatdistance(feature.attributes.length, "miles") + ", " + formattime(feature.attributes.time) + ") " + '</a>';     } }  //zoom appropriate segment when user clicks hyperlink in directions list function zoomtosegment(index) { var segment = directionfeatures[index]; map.setextent(segment.geometry.getextent(), true); if (!segmentgraphic) {     segmentgraphic = map.graphics.add(new esri.graphic(segment.geometry, segmentsymbol)); } else {     segmentgraphic.setgeometry(segment.geometry); }

}

it did plot route , show directions. when click on direction , zoom segement, throws me error message uncaught typeerror: cannot call method 'getextent' of undefined.

i wonder why so. in advance.

the root cause of error you're trying extent of .geometry property doesn't exist - part relatively easy. problem, think, you're looking geometry of each segment of journey, , return onemap's routetask doesn't give directly.

the geometry entire route in 

routeresults.results.routes.features[0].geometry.paths[0]

and individual segments in 1 of esri's fun compressed formats in value:

routeresults.results.directions[x].features[y].compressedgeometry

there's documentation , c# code compressed format here:

http://resources.esri.com/help/9.3/arcgisengine/arcobjects/esrinetworkanalyst/inacompactstreetdirection_compressedgeometry.htm

it should relatively easy port c# code js if need geometry of individual segments.

onemap have full working example here shows how process results routetask, unfortunately don't attempt extract compressedgeometry field.

edit: more sample code esri here, examples in c#/java/python.


Comments

Post a Comment

Popular posts from this blog

database - VFP Grid + SQL server 2008 - grid not showing correctly -

-
i having problem, have grid called "gridbasica" , this: thisform.gridbase.recordsource = "sgviemp" sgviemp cursor made executing select sqlserver command sqlexec. when want modify registry, go form , the update there. so, when come form grid, grid isnt grid anymore, big white rectangle. reading around said: delete recordsource , asingt again. thisform.gridbase.recordsource = "" *--i sqlexe here thisform.gridbase.recordsource = "sgviemp" i , works, but, when click button modify again cursos updated modify form doesnt load fields did first time. could me out that? thanks in advance. --------------- edit ------------------ i have been doing recommended: lnselect = select(0) n = sqlexec(thisform.conexion,"select emp_ccodigo codigo, emp_cnombre 'nombre o razon social', emp_cnumrif 'r.i.f' sgviempr","sgviemp1") set echo on suspend select sgviemp zap in sgviemp *-- browse *--zaps correct
Read more

jquery - Set jPicker field to empty value -

-
im using jpicker color selector in form. have clear value set window/icon 'no color selected' state. i've tried following: $(':input[name="color"]').val(''); //access value directly. (does not affect jpicker) 2: $.jpicker.list[0].color.active.val('hex', '', this); //set color black , input value 000000, instead of empty string 3: $.jpicker.list[0].color.active.val(null, '', this); //does nothing none of 3 methods seems behave properly. in advance. this works me :) $.jpicker.list[0].color.active.val('v', null); here example: http://jsfiddle.net/3up7n/
Read more

.htaccess - htaccess convert request to clean url and add slash at the end of the url -

-
ok , searched more 4 days , more 20 posts here in stach or in websites without kind of success first here htaccess file rewriteengine on rewriterule ^([a-za-z0-9_]+)/?$ index.php?page=$1 [nc] rewriterule ^([a-za-z0-9_]+)\/([a-za-z0-9_]+)\/?$ index.php?page=$1&action=$2 [nc] i tried many codes 1 worked me can call request , works me www.example.com/pagename => www.example.com/index.php?page=pagename here questions , please provide me information "in detail" understand code well 1- how convert request automatically www.example.com/index.php?page=pagename www.example.com/pagename 2- if tried add slash @ end shows me page without images or styling mean www.example.com/pagename => works www.example.com/pagename/ => doesn't work that's :) for first part need 301 rule this: rewritecond %{the_request} /index\.php\?page=([^\s&]+) [nc] rewriterule ^ /%1? [r=301,l] for second part use absolute path in css, js, images files r
Read more