Is it possible to add an image to a map based on an extent? In ArcGIS JS 3.X I can create a MapImageLayer and add a MapImage to it. See my demo here. I would like to do something similar in AppStudio.
You can do this with a KmlGroundOverlay with 100.6 and newer of Runtime. Basically you set the image and an Envelope of where it should display in geographic space. A sample can be found here:
arcgis-runtime-samples-qt/EditKmlGroundOverlay.qml at v.next · Esri/arcgis-runtime-samples-qt · GitHub
OK. That feature isn't a big deal for me. I just tried it since it was already and there and wanted to make sure there wasn't some big change I should be aware of about switching from a scene to a map.
Thanks again!
Not sure why - probably a bug in the API. If you use the opacity property on the KmlLayer (inherited from Layer base class) instead of setting color, that seems to work, so maybe give that a try if you are just looking to modify opacity. Please log a bug with Esri Support for the color issue if you need to get this part working. Thanks!
Erwin Soekianto Thanks for the quick response!
Lucas Danzinger Yes, that is perfect! I love how KmlGroundOverlay can be defined using very similar parameters to the MapImageLayer class from Javascript 3.x (e.g. xmin, ymin, xmax, ymax, spatial reference). Thanks!
I have a quick follow up question, I noticed when I changed from a sceneView to a mapView the transparency slider stopped working (see below). Do you happen to know what that is about?
<SPAN class="keyword token">import</SPAN> QtQuick <SPAN class="number token">2.7</SPAN> <SPAN class="keyword token">import</SPAN> QtQuick<SPAN class="punctuation token">.</SPAN>Controls <SPAN class="number token">2.3</SPAN> <SPAN class="keyword token">import</SPAN> ArcGIS<SPAN class="punctuation token">.</SPAN>AppFramework <SPAN class="number token">1.0</SPAN> <SPAN class="keyword token">import</SPAN> ArcGIS<SPAN class="punctuation token">.</SPAN>AppFramework<SPAN class="punctuation token">.</SPAN>Controls <SPAN class="number token">1.0</SPAN> <SPAN class="keyword token">import</SPAN> Esri<SPAN class="punctuation token">.</SPAN>ArcGISRuntime <SPAN class="number token">100.6</SPAN> <SPAN class="comment token">//import Esri.ArcGISExtras 1.1</SPAN> App <SPAN class="punctuation token">{</SPAN> id<SPAN class="punctuation token">:</SPAN> app width<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">400</SPAN> height<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">640</SPAN> Rectangle <SPAN class="punctuation token">{</SPAN> id<SPAN class="punctuation token">:</SPAN> rootRectangle clip<SPAN class="punctuation token">:</SPAN> <SPAN class="keyword token">true</SPAN> width<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">800</SPAN> height<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">600</SPAN> readonly property url dataPath<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">""</SPAN> MapView <SPAN class="punctuation token">{</SPAN> id<SPAN class="punctuation token">:</SPAN> mapView anchors<SPAN class="punctuation token">.</SPAN>fill<SPAN class="punctuation token">:</SPAN> parent Map <SPAN class="punctuation token">{</SPAN> BasemapImagery <SPAN class="punctuation token">{</SPAN><SPAN class="punctuation token">}</SPAN> initialViewpoint<SPAN class="punctuation token">:</SPAN> viewpoint ViewpointCenter <SPAN class="punctuation token">{</SPAN> id<SPAN class="punctuation token">:</SPAN>viewpoint Point <SPAN class="punctuation token">{</SPAN> x<SPAN class="punctuation token">:</SPAN> <SPAN class="operator token">-</SPAN><SPAN class="number token">123.066227926904</SPAN> y<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">44.04736963555683</SPAN> SpatialReference <SPAN class="punctuation token">{</SPAN> wkid<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">4326</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="punctuation token">}</SPAN> targetScale<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">15000</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="comment token">// Create a KML Layer</SPAN> KmlLayer <SPAN class="punctuation token">{</SPAN> id<SPAN class="punctuation token">:</SPAN> kmlLayer <SPAN class="comment token">// Create a KML Dataset</SPAN> KmlDataset <SPAN class="punctuation token">{</SPAN> <SPAN class="comment token">// Create a Ground Overlay by assigning an icon and geometry</SPAN> KmlGroundOverlay <SPAN class="punctuation token">{</SPAN> id<SPAN class="punctuation token">:</SPAN> groundOverlay rotation<SPAN class="punctuation token">:</SPAN> <SPAN class="operator token">-</SPAN><SPAN class="number token">3.046024799346924</SPAN> KmlIcon <SPAN class="punctuation token">{</SPAN> url<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">"C:/Users/mstay/ArcGIS/AppStudio/Apps/EditKmlGroundOverlay/1944.jpg"</SPAN> <SPAN class="punctuation token">}</SPAN> Envelope <SPAN class="punctuation token">{</SPAN> id<SPAN class="punctuation token">:</SPAN> env xMin<SPAN class="punctuation token">:</SPAN> <SPAN class="operator token">-</SPAN><SPAN class="number token">123.066227926904</SPAN> yMin<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">44.04736963555683</SPAN> xMax<SPAN class="punctuation token">:</SPAN> <SPAN class="operator token">-</SPAN><SPAN class="number token">123.0796942287304</SPAN> yMax<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">44.03878298600624</SPAN> SpatialReference <SPAN class="punctuation token">{</SPAN> wkid<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">4326</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="punctuation token">}</SPAN> Rectangle <SPAN class="punctuation token">{</SPAN> anchors<SPAN class="punctuation token">.</SPAN>fill<SPAN class="punctuation token">:</SPAN> slider radius<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">5</SPAN> <SPAN class="punctuation token">}</SPAN> Slider <SPAN class="punctuation token">{</SPAN> id<SPAN class="punctuation token">:</SPAN> slider anchors <SPAN class="punctuation token">{</SPAN> left<SPAN class="punctuation token">:</SPAN> parent<SPAN class="punctuation token">.</SPAN>left top<SPAN class="punctuation token">:</SPAN> parent<SPAN class="punctuation token">.</SPAN>top margins<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">10</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="keyword token">from</SPAN><SPAN class="punctuation token">:</SPAN> <SPAN class="number token">0</SPAN> to<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">1</SPAN> value<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">1</SPAN> stepSize<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">0.1</SPAN> onValueChanged<SPAN class="punctuation token">:</SPAN> <SPAN class="punctuation token">{</SPAN> <SPAN class="comment token">// modify the overlay's color/alpha value</SPAN> groundOverlay<SPAN class="punctuation token">.</SPAN>color <SPAN class="operator token">=</SPAN> Qt<SPAN class="punctuation token">.</SPAN><SPAN class="token function">rgba</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="number token">0</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="number token">0</SPAN><SPAN class="punctuation token">,</SPAN> value<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="punctuation token">}</SPAN> <SPAN class="punctuation token">}</SPAN><SPAN 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I am including ArcGIS Runtime SDK for Qt to see if this is possible in ArcGIS Runtime or anyone on that group know how to do that.
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