csharp;gutter:true;
atialReference sr3857 = SpatialReferenceBuilder.CreateSpatialReference(3857);
// Builder constructors need to run on the MCT.</p>
<p>using (SpatialReferenceBuilder srBuilder = new SpatialReferenceBuilder(3857))
{
// do something with the builder
sr3857 = srBuilder.ToSpatialReference();
}
ArcGIS.Core.Geometry.Polygon envPoly = null;
Envelope mapExtent = (Envelope)GeometryEngine.Instance.Project(MapView.Active.Extent, sr3857);</p>
<p>private Envelope BuildEnvelope(MapPoint mapPt, Envelope inputEnvelope)
{
EnvelopeBuilder envelopeBuilder = new EnvelopeBuilder(SpatialReferences.WebMercator);
envelopeBuilder.XMin = inputEnvelope.XMin;
envelopeBuilder.YMin = inputEnvelope.YMin;
envelopeBuilder.XMax = inputEnvelope.XMax;
envelopeBuilder.YMax = inputEnvelope.YMax;</p>
<pre><code>return envelopeBuilder.ToGeometry();
</code></pre>
<p>}
Envelope mapExtent = BuildEnvelope(MapView.Active.Extent)</p>
<p>Envelope mapExtent = EnvelopeBuilder.CreateEnvelope(MapView.Active.Extent, SpatialReferences.WebMercator);</p>
<p>Envelope mapExtent = EnvelopeBuilder.CreateEnvelope(MapView.Active.Extent, SpatialReferences.WebMercator);
Size mapSize = MapView.Active.GetViewSize();
MapPoint pt1 = MapView.Active.ClientToMap(new Point(0, 0));
MapPoint pt2 = MapView.Active.ClientToMap(new Point(mapSize.Width * scale, 0));
MapPoint pt3 = MapView.Active.ClientToMap(new Point(mapSize.Width * scale, mapSize.Height * scale));
MapPoint pt4 = MapView.Active.ClientToMap(new Point(0, mapSize.Height * scale));
Point mapClientPt = MapView.Active.MapToClient(screenMapPt);
bool ptIntersects = (mapClientPt.X >= 0) && (mapClientPt.Y >= 0) && (mapClientPt.X
Original: https://www.cnblogs.com/gisoracle/p/16268417.html
Author: gisoracle
Title: ArcGIS Pro地图范围和视野范围
原创文章受到原创版权保护。转载请注明出处：https://www.johngo689.com/545602/
转载文章受原作者版权保护。转载请注明原作者出处！