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Showing Images On Map

CeyhunYilmaz

Hi ,

I have an wms server and i want to use this service's GetMap function via url get query. I done it and i get an picture/image result which png/geotiff/kml etc. type. But there is a problem with show this image on the map. Image has an its extend scale like in the attachment.

Query url like below :

http://giswebservices.massgis.state.ma.us/geoserver/wms

Is there any way show image with/without coordinates on the map ?

Thanks.

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Accepted answers

ThomasDunn

Yes. Here is a C++ sample demonstrating what you can do with WMS with the C++ API.

https://developers.arcgis.com/qt/cpp/sample-code/wms_layer_sample.htm

You can download the sample from https://developers.arcgis.com/qt/cpp/sample-code/

I hope this helps.

All comments

CeyhunYilmaz

Hi Thomas,

thanks for reply

Is there any way show this image on the map with right place (with spatial reference)? I ask it to you because we develop an project with this services and other wfs services (for table queries) and showing this image or wms layer last part. I will be very plesant if i can do that with your help.

Regards.

ThomasDunn

The source for the Image component gets a map as a PNG from the service. This is a raster image file. You can display it as an Image but you cannot add it as a Layer in the Map.

CeyhunYilmaz

Url which start with geonet is extra . There is misspelling.

1. Yes Png file type. But service support many image type like jpeg,tiff,geotiff. Also there are atom,kml etc

2.Yes

3.Yes

4. Mostly Qml. Actually we have developed with qml because of JS support and easy to use.

Envelope {

id: sfExtent

xMin: 25.382409179687

yMin: 35.74005859375

xMax: 44.144582031249

yMax: 41.913056640624

spatialReference.wkid: 4326

}

Rectangle {

id:mainRect

width: 1003

height: 400

Map {

id:mainmap

transformOrigin: Item.Right

anchors.fill: parent

rotationByPinchingEnabled: true

magnifierOnPressAndHoldEnabled: true

mapPanningByMagnifierEnabled: true

focus:true

ArcGISDynamicMapServiceLayer{

id: dynamiclayer

url: "http://server.arcgisonline.com/arcgis/rest/services/ESRI_Imagery_World_2D/MapServer"

}

extent:sfExtent

}

// Create a flickable to view a large image.

Flickable {

id: view

anchors.fill:parent

contentWidth: picture.width

contentHeight: picture.height

Image {

id: picture

source:"";

asynchronous: true

opacity: 0.8

}

states: State {

name: "ShowBars"

when: view.movingVertically || view.movingHorizontally

PropertyChanges { target: verticalScrollBar; opacity: 0.1 }

PropertyChanges { target: horizontalScrollBar; opacity: 0.1 }

}

transitions: Transition {

NumberAnimation { properties: "opacity"; duration: 400 }

}

ScrollBar {

id: verticalScrollBar

width: 12; height: view.height-12

anchors.right: view.right

opacity: 0

orientation: Qt.Vertical

position: view.visibleArea.yPosition

pageSize: view.visibleArea.heightRatio

}

ScrollBar {

id: horizontalScrollBar

width: view.width-12; height: 12

anchors.bottom: view.bottom

opacity: 0

orientation: Qt.Horizontal

position: view.visibleArea.xPosition

pageSize: view.visibleArea.widthRatio

}

And Final thank you

ThomasDunn

Hello. I would like to understand this issue better, so here are some questions. Some answers may seem obvious, but I want to understand clearly.

- Is the attached PNG file the actual file that was returned from the WMS service?

- If so, was this image returned from the service whose URL begins with cbsservis.tkgm.gov.tr/tkgm.ows/wms?

- Should the image only contain the Antalya province?

- Are you using the Runtime SDK for Qt C++ (Qt Widgets) API or the QML (Qt Quick) API?

- Can you share the part of the code that displays the image on the map?

Thank you.

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