Latest Contributions by LucaAlferi1

Promethia;226466 wrote: my code is AGSQuery* query = [AGSQuery query];     query.where = ??????????     query.outFields = [NSArray arrayWithObjects: @"foglio", @"particella",nil];     query.returnGeometry = TRUE;     query.outSpatialReference = self.mapView.spatialReference;     [self.queryTask executeWithQuery:query]; In my project i use two UIText Field. One i use for write the number of "foglio" and one for write number of "particella". I want find the "particella" that satisfies the condition "foglio AND particella " with function query.where = ..., but i don't know how to do it. Please Help me ... View more

Use AGSQuery and AGSQueryTask instead, for complex queries. my code is AGSQuery* query = [AGSQuery query];     query.text = searchBar.text;     query.outFields = [NSArray arrayWithObjects: @"foglio_partic", nil];     query.returnGeometry = TRUE;     query.outSpatialReference = self.mapView.spatialReference;     [self.queryTask executeWithQuery:query]; in the log file this code is good, but not show in map the result why?? Please help me ... View more

How you are chaining the base map? You should use AGSMapView's insertMapLayer:withName:atIndex: method and insert base layer at index 0. Regards, Nimesh Grazie Grazie Grazie (Thanks Thanks Thanks) it now works fine ... View more

Just change your didExecuteWithIdentifyResults code as following and it won't crash... - (void)identifyTask:(AGSIdentifyTask *)identifyTask operation:(NSOperation *)op didExecuteWithIdentifyResults:(NSArray *)results {         //clear previous results     [self.graphicsLayer removeAllGraphics];         if ([results count] > 0) {                         //add new results         AGSSymbol* symbol = [AGSSimpleFillSymbol simpleFillSymbol];         symbol.color = [UIColor colorWithRed:0 green:0 blue:1 alpha:0.5];                 // for each result, set the symbol and add it to the graphics layer         for (AGSIdentifyResult* result in results) {             result.feature.symbol = symbol;             [self.graphicsLayer addGraphic:result.feature];         }                 //set the callout content for the first result         //get the state name         NSString *stateName = [((AGSIdentifyResult*)[results objectAtIndex:0]).feature.attributes objectForKey:@"STATE_NAME"];         self.mapView.callout.title = stateName;         self.mapView.callout.detail = @"Click for more detail..";                 //show callout         [self.mapView showCalloutAtPoint:self.mappoint forGraphic:((AGSIdentifyResult*)[results objectAtIndex:0]).feature animated:YES];     }     else {                 UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Identify Result"                                                         message:@"No Result Found!"                                                        delegate:nil                                               cancelButtonTitle:@"OK"                                               otherButtonTitles:nil];         [alert show];         [alert release];     }         //call dataChanged on the graphics layer to redraw the graphics     [self.graphicsLayer dataChanged]; } Regards, Nimesh I love you Thanks ... View more

Nimesh you are a great It does work, but I have another question. I can not do the zoom on the address searched. Any suggestions? resolved [self.mapView zoomToScale: 2000 withCenterPoint: pt animated: YES]; ... View more

If you are using this (http://tasks.arcgis.com/ArcGIS/rest/services/WorldLocator/GeocodeServer) locator service to find addresses then you don't need to project the result geometries. Just use AGSLocator's locationsForAddress:returnFields:outSpatialReference: method and set the desired outSpatialReference. Hope this helps! Regards, Nimesh Nimesh you are a great It does work, but I have another question. I can not do the zoom on the address searched. Any suggestions? ... View more

below formula converts 4326 latitude to 102100 latitude + (double)toWebMercatorY:(double)latitude { double rad = latitude * 0.0174532; double fsin = sin(rad); double y = 6378137 / 2.0 * log((1.0 + fsin) / (1.0 - fsin)); return y; } below formula converts 4326 longitude to 102100 longitude + (double)toWebMercatorX:(double)longitude { double x = longitude * 0.017453292519943 * 6378137; return x; } See my attachment , it contains a utility mercator convertor . You can simply import the class in your project and call the above static methods on it I have tried it with location manager and it works!!! Regards, Harikant Jammi Hi Jammi. I'm a beginner of objective-C. How can use your fantastic code in my code: - (void)locator:(AGSLocator *)locator operation:(NSOperation *)op didFindLocationsForAddress:(NSArray *)candidates{         //check and see if we didn't get any results if (candidates == nil || [candidates count] == 0){         //show alert if we didn't get results         UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Informazione" message:@"Nessun risultato trovato" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];         [alert show];         [alert release]; } else {         //use these to calculate extent of results         double xmin = DBL_MAX;         double ymin = DBL_MAX;         double xmax = -DBL_MAX;         double ymax = -DBL_MAX;     //create the callout template, used when the user displays the callout   self.calloutTemplate = [[[AGSCalloutTemplate alloc]init] autorelease];                 //loop through all candidates/results and add to graphics layer   for (int i=0; i<[candidates count]; i++){               AGSAddressCandidate *addressCandidate = (AGSAddressCandidate *)[candidates objectAtIndex:i];                         //get the location from the candidate             AGSPoint *pt = addressCandidate.location;                         //accumulate the min/max             if (pt.x  < xmin)                 xmin = pt.x;                         if (pt.x > xmax)                 xmax = pt.x;                         if (pt.y < ymin)                 ymin = pt.y;                         if (pt.y > ymax)                 ymax = pt.y;           //create a marker symbol to use in our graphic             AGSPictureMarkerSymbol *marker = [AGSPictureMarkerSymbol pictureMarkerSymbolWithImageNamed:@"BluePushpin.png"];             marker.xoffset = 9;             marker.yoffset = -16;             marker.hotspot = CGPointMake(-9, -11);             //set the text and detail text based on 'Name' and 'Descr' fields in the attributes             self.calloutTemplate.titleTemplate = self.searchBar.text;             //create the graphic     AGSGraphic *graphic = [[AGSGraphic alloc] initWithGeometry: pt symbol:marker attributes:[[addressCandidate.attributes mutableCopy] autorelease] infoTemplateDelegate:self.calloutTemplate];                                     //add the graphic to the graphics layer                [self.graphicsLayer addGraphic:graphic];                         if ([candidates count] == 1)             {                 //we have one result, center at that point                 [self.mapView5 centerAtPoint:pt animated:NO];                     // set the width of the callout     self.mapView5.callout.width = 250;                                 //show the callout                 [self.mapView5 showCalloutAtPoint:(AGSPoint *)graphic.geometry forGraphic:graphic animated:YES];             }       //release the graphic bb     [graphic release];              }                 //if we have more than one result, zoom to the extent of all results         int nCount = [candidates count];         if (nCount > 1)         {                        AGSMutableEnvelope *extent = [AGSMutableEnvelope envelopeWithXmin:xmin ymin:ymin xmax:xmax ymax:ymax spatialReference:self.mapView5.spatialReference];             [extent expandByFactor:1.5];    [self.mapView5 zoomToEnvelope:extent animated:YES];         } }         //since we've added graphics, make sure to redraw     [self.graphicsLayer dataChanged];     } Thanks ... View more

The complete code is this: - (void)locator:(AGSLocator *)locator operation:(NSOperation *)op didFindLocationsForAddress:(NSArray *)candidates{         //check and see if we didn't get any results if (candidates == nil || [candidates count] == 0) {         //show alert if we didn't get results         UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Informazione"                                                         message:@"Nessun risultato trovato"                                                        delegate:nil                                               cancelButtonTitle:@"OK"                                               otherButtonTitles:nil];                 [alert show];         [alert release]; } else {         //use these to calculate extent of results         double xmin = DBL_MAX;         double ymin = DBL_MAX;         double xmax = -DBL_MAX;         double ymax = -DBL_MAX;     //create the callout template, used when the user displays the callout   self.calloutTemplate = [[[AGSCalloutTemplate alloc]init] autorelease];                 //loop through all candidates/results and add to graphics layer   for (int i=0; i<[candidates count]; i++)   {               AGSAddressCandidate *addressCandidate = (AGSAddressCandidate *)[candidates objectAtIndex:i];                         //get the location from the candidate             AGSPoint *pt = addressCandidate.location;                         //accumulate the min/max             if (pt.x  < xmin)                 xmin = pt.x;                         if (pt.x > xmax)                 xmax = pt.x;                         if (pt.y < ymin)                 ymin = pt.y;                         if (pt.y > ymax)                 ymax = pt.y;             AGSGeometry *myPointReprojected;             myPointReprojected = [[AGSGeometryEngine defaultGeometryEngine] projectGeometry:pt toSpatialReference:[AGSSpatialReference spatialReferenceWithWKID:102100]];    //create a marker symbol to use in our graphic             AGSPictureMarkerSymbol *marker = [AGSPictureMarkerSymbol pictureMarkerSymbolWithImageNamed:@"BluePushpin.png"];             marker.xoffset = 9;             marker.yoffset = -16;             marker.hotspot = CGPointMake(-9, -11);             //set the text and detail text based on 'Name' and 'Descr' fields in the attributes             self.calloutTemplate.titleTemplate = self.searchBar.text;             //self.calloutTemplate.detailTemplate = @"${Descr}";                //create the graphic    AGSGraphic *graphic = [[AGSGraphic alloc] initWithGeometry: pt                 symbol:marker                attributes:[[addressCandidate.attributes mutableCopy] autorelease]                                                   infoTemplateDelegate:self.calloutTemplate];                                     //add the graphic to the graphics layer                [self.graphicsLayer addGraphic:graphic];                         if ([candidates count] == 1)             {                 //we have one result, center at that point                 [self.mapView5 centerAtPoint:pt animated:NO];                     // set the width of the callout     self.mapView5.callout.width = 250;                                 //show the callout                 [self.mapView5 showCalloutAtPoint:(AGSPoint *)graphic.geometry forGraphic:graphic animated:YES];             }       //release the graphic bb     [graphic release];              }                 //if we have more than one result, zoom to the extent of all results         int nCount = [candidates count];         if (nCount > 1)         {                        AGSMutableEnvelope *extent = [AGSMutableEnvelope envelopeWithXmin:xmin ymin:ymin xmax:xmax ymax:ymax spatialReference:self.mapView5.spatialReference];             [extent expandByFactor:1.5];    [self.mapView5 zoomToEnvelope:extent animated:YES];         } }         //since we've added graphics, make sure to redraw     [self.graphicsLayer dataChanged];     } ... View more