Hi Jukka,
Good job,
With a few more lines, you can get the path in your map
(hereafter, kml parsing is very crude, but it shows how
powerful beanshell scripting can be).
{
import com.vividsolutions.jts.geom.*;
import com.vividsolutions.jts.io.WKTReader;
import com.vividsolutions.jump.feature.*;
import com.vividsolutions.jump.geom.EnvelopeUtil;
import com.vividsolutions.jump.workbench.model.*;
import java.io.*;
import java.net.URL;
fc =
wc.getLayerNamePanel().getSelectedLayers()[0].getFeatureCollectionWrapper();
paths = new ArrayList();;
for (Iterator i = fc.getFeatures().iterator(); i.hasNext();) {
Feature feature = (Feature) i.next();
LineString lineString = (LineString)feature.getGeometry();
URL url;
try {
// get URL content
url = new
URL("http://www.yournavigation.org/api/1.0/gosmore.php?format=kml&flat=";
+lineString.getStartPoint().getY()+"&flon="
+lineString.getStartPoint().getX()+"&tlat="
+lineString.getEndPoint().getY()+"&tlon="
+lineString.getEndPoint().getX()
+"&v=motorcar"
+"&fast=1"
+"&layer=mapnik");
print(url);
URLConnection conn = url.openConnection();
// open the stream and put it into BufferedReader
BufferedReader br = new BufferedReader(
new
InputStreamReader(conn.getInputStream()));
String inputLine;
StringBuffer sb = new StringBuffer();
while ((inputLine = br.readLine()) != null) {
sb.append(inputLine).append("\n");
}
wkt = sb.toString()
.replaceAll("(?s).*<coordinates>\\s*", "LINESTRING(")
.replaceAll("(?s)\\s*</coordinates>.*", ")")
.replaceAll("(?s)\\s+", "@")
.replaceAll("(?s),", " ")
.replaceAll("(?s)@", ",");
print(wkt);
bf = new BasicFeature(fc.getFeatureSchema());
bf.setGeometry(new WKTReader().read(wkt));
paths.add(bf);
br.close();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
fc.addAll(paths);
}
Michaël
> Hi,
>
> Here is a demo script which finds route from the service or
> yournavigation.org. Save the following code into lib\ext\BeanTools, draw one
> or more lines with OpenJUMP by using EPSG:4326 system, run the tool and copy
> the URLs from the result window into browser and you will get the routes in
> KML format. Script creates a request which follows the YOURS syntax
> http://wiki.openstreetmap.org/wiki/YOURS and it is simple to modify to use
> other YOURS parameters. I also made another version which is getting routes
> from the service of the Helsinki Region Traffic and it works fine too.
>
> With a little bit of work it should be possible to make an OpenJUMP routing
> service plugin. Creating a request is easy but a very good plugin should be
> able to handle coordinate conversions between OJ project coordinate system
> and the one used by the routing service. And then OpenJUMP should be able to
> parse the returning route which is typically in GPX or KML format. However, I
> tested also a workaround by using GDAL in between. OpenJUMP can create a
> ogr2ogr request and ogr2ogr can save the result as a shapefile and possibly
> converted into another projection.
>
>
>
> Get_YOURS_Route.bsh
> ==============
> {
> import com.vividsolutions.jts.geom.*;
> import com.vividsolutions.jump.feature.*;
> import com.vividsolutions.jump.geom.EnvelopeUtil;
> import com.vividsolutions.jump.workbench.model.*;
>
> htmlFrame = wc.workbench.frame.outputFrame;
> htmlFrame.createNewDocument();
> htmlFrame.setTitle("Output for gdal_translate");
> fc =
> wc.getLayerNamePanel().getSelectedLayers()[0].getFeatureCollectionWrapper();
> int j=1;
> for (Iterator i = fc.getFeatures().iterator(); i.hasNext();) {
> Feature feature = (Feature) i.next();
> LineString lineString = (LineString)feature.getGeometry();
>
> htmlFrame.addText("http://www.yournavigation.org/api/1.0/gosmore.php?format=kml&flat=";
> +lineString.getStartPoint().getY()+"&flon="
> +lineString.getStartPoint().getX()+"&tlat="
> +lineString.getEndPoint().getY()+"&tlon="
> +lineString.getEndPoint().getX()
> +"&v=motorcar"
> +"&fast=1"
> +"&layer=mapnik");
> j++;
> }
> wc.workbench.frame.flash(htmlFrame);
> htmlFrame.surface();
> }
>
>
> With small modifications the script works with the routing service of the
> Helsinki Region Traffic. Coordinates must be in EPSG:2392 system. Can be
> tested for example with LINESTRING (2538008.7818696885 6679830.130311615,
> 2538096.0339943343 6679899.818696884)
>
>
>
> htmlFrame.addText("\"http://pk.hsl.fi/getroute/?format=gpx&profile=kleroweighted&from=location*Koordinaatti[";
> +lineString.getStartPoint().getX()+", "
> +lineString.getStartPoint().getY()+"]"
> +"*"+lineString.getStartPoint().getX()
> +"*"+lineString.getStartPoint().getY()
> +"&to=location*Koordinaatti["
> +lineString.getEndPoint().getX()+", "
> +lineString.getEndPoint().getY()+"]"
> +"*"+lineString.getEndPoint().getX()
> +"*"+lineString.getEndPoint().getY()
> +"\"" );
>
>
>
> -Jukka-
>
> ________________________________________
> Michaël Michaud wrote:
>
>
>> Hi Jukka,
>> You can easily pick start and end point with
>> Geometry geometry = feature.getGeometry();
> // this will return something whatever the geometry is
> Coordinate[] cc = geometry.getCoordinates();
> x_start = cc[0].x;
> y_start = cc[0].y;
> x_end = cc[cc.length-1].x;
> y_end = cc[cc.length-1].y;
>
> // this is more readable if you make sure your geometry is a linestring
> before
> LineString lineString = (LineString)feature.getGeometry();
> x_start = lineString.getStartPoint().getX();
> y_start = lineString.getStartPoint().getY();
> x_end = lineString.getEndPoint().getX();
> y_end = lineString.getEndPoint().getX();
>
>> Warning : I did not check the code
>> Michaël
>> PS let us know what you achieved with this code
>>> Hi,
>>>
>>> How could I pick Startpoint_X, Startpoint_Y, Endpoint_X,Endpoint_Y from a
>>> linestring with BeanShell? Meaning is to build a http request for an
>>> external routing service. Something similar is done in the following code
>>> with envelope of a geometry for building a WFS GetFeature request with BBOX
>>> filter.
>>>
>>> Geometry geometry = feature.getGeometry();
>>> Envelope env = geometry.getEnvelopeInternal();
>>> htmlFrame.addText("wget "
>>> +"\"http://hip.latuviitta.org/cgi-bin/";
>>> +"tinyows?"
>>> +"SERVICE=WFS"
>>> +"&VERSION=1.0.0"
>>> +"&REQUEST=GetFeature"
>>> +"&TYPENAME=lv:municipalities"
>>> +"&BBOX="
>>> +env.getMinX()+","
>>> +env.getMinY()+","
>>> +env.getMaxX()+","
>>> +env.getMaxY()+"\""
>>> +" -O prexif_"
>>> +j
>>> +".gml" );
>>>
>>> -Jukka Rahkonen-
>> ------------------------------------------------------------------------------
>> Own the Future-Intel® Level Up Game Demo Contest 2013
>> Rise to greatness in Intel's independent game demo contest.
>> Compete for recognition, cash, and the chance to get your game
>> on Steam. $5K grand prize plus 10 genre and skill prizes.
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>> _______________________________________________
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>> Jump-pilot-devel@lists.sourceforge.net
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>>
>>
>
> ------------------------------------------------------------------------------
> Own the Future-Intel® Level Up Game Demo Contest 2013
> Rise to greatness in Intel's independent game demo contest.
> Compete for recognition, cash, and the chance to get your game
> on Steam. $5K grand prize plus 10 genre and skill prizes.
> Submit your demo by 6/6/13. http://p.sf.net/sfu/intel_levelupd2d
> _______________________________________________
> Jump-pilot-devel mailing list
> Jump-pilot-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
>
> ------------------------------------------------------------------------------
> Own the Future-Intel® Level Up Game Demo Contest 2013
> Rise to greatness in Intel's independent game demo contest.
> Compete for recognition, cash, and the chance to get your game
> on Steam. $5K grand prize plus 10 genre and skill prizes.
> Submit your demo by 6/6/13. http://p.sf.net/sfu/intel_levelupd2d
> _______________________________________________
> Jump-pilot-devel mailing list
> Jump-pilot-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
>
>
------------------------------------------------------------------------------
Own the Future-Intel® Level Up Game Demo Contest 2013
Rise to greatness in Intel's independent game demo contest.
Compete for recognition, cash, and the chance to get your game
on Steam. $5K grand prize plus 10 genre and skill prizes.
Submit your demo by 6/6/13. http://p.sf.net/sfu/intel_levelupd2d
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