//绘制面 void mGlobeControl_TrackPolygonAnalysisEndEvent(object sender, TrackPolygonEndEventArgs e) { if (e.Polygon != null) { if (layer != null && isSelectObject) { GSOFeatures feats = layer.FindFeaturesInPolygon(e.Polygon, false); if (feats != null && feats.Length > 0) { SetDataTable(feats); } else { MessageBox.Show("框选查询结果为空!", "提示"); } globeControl1.Globe.ClearLastTrackPolygon(); globeControl1.Globe.Refresh(); return; } } }
private void buttonOK_Click(object sender, EventArgs e) { string filename = textbox1.Text.Trim(); GSOLayer newlayer = mGlobeControl.Globe.Layers.Add(filename); int indexCount = filename.LastIndexOf('.') - filename.LastIndexOf('\\') - 1; string newlayerCaption = ""; if (indexCount > 0) { newlayerCaption = filename.Substring(filename.LastIndexOf('\\') + 1, indexCount); newlayer.Caption = newlayerCaption; } for (int i = 0; i < mListPolygon.Count; i++) { GSOGeoPolygon3D polygon = mListPolygon[i]; string caption = ""; if (comboBoxLayerName.SelectedIndex >= 0) { caption = comboBoxLayerName.SelectedItem.ToString().Trim(); } GSOLayer layer = mGlobeControl.Globe.Layers.GetLayerByCaption(caption); GSOFeatures feats = new GSOFeatures(); if (layer != null) { feats = layer.FindFeaturesInPolygon(polygon, false); } if (feats != null) { newlayer.AddFeatures(feats); } } if (newlayer != null) { newlayer.SaveAs(filename); MessageBox.Show("导出成功!", "提示"); } this.Close(); }
//应用 private void buttonApply_Click(object sender, EventArgs e) { if (comboBoxLayerCaption.SelectedItem == null) { MessageBox.Show("请选择一个管线图层!", "提示"); return; } if (comboBoxLayerValveCaption.SelectedItem == null) { MessageBox.Show("请选择一个工井图层!", "提示"); return; } if (textBoxValueIndented.Text.Trim() == "") { MessageBox.Show("请输入缩进距离!", "提示"); return; } if (textBoxAllowance.Text.Trim() == "") { MessageBox.Show("请输入容限值!", "提示"); return; } double valueAllowance = 0.0; if (double.TryParse(textBoxAllowance.Text.Trim(), out valueAllowance) == false) { MessageBox.Show("请输入一个正确的容限值!", "提示"); return; } float valueIndented = 0.0f; if (float.TryParse(textBoxValueIndented.Text.Trim(), out valueIndented) == false) { MessageBox.Show("请输入一个正确的缩进值!", "提示"); return; } string layerCaption = comboBoxLayerCaption.SelectedItem.ToString().Trim(); string valveLayerCaption = comboBoxLayerValveCaption.SelectedItem.ToString().Trim(); GSOLayer layer = globeControl1.Globe.Layers.GetLayerByCaption(layerCaption); GSOLayer valveLayer = globeControl1.Globe.Layers.GetLayerByCaption(valveLayerCaption); if (layer != null && valveLayerCaption != null) { featuresIndented.RemoveAll(); cancelHighLight(layer.GetAllFeatures()); for (int i = 0; i < layer.GetAllFeatures().Length; i++) { GSOFeature feature = layer.GetAt(i); if (feature != null && feature.Geometry != null && feature.Geometry.Type == EnumGeometryType.GeoPolyline3D) { GSOGeoPolyline3D line = feature.Geometry as GSOGeoPolyline3D; double lineLenght = line.GetSpaceLength(false, 6378137.0); if (lineLenght <= valueIndented * 2) { continue; } featuresIndented.Add(feature);//缩进的管线集合 featuresInit.Add(feature.Clone()); //头缩进 GSOPoint3d headPoint = line[0][0]; GSOGeoPolyline3D newline = new GSOGeoPolyline3D(); GSOPoint3ds part = new GSOPoint3ds(); part.Add(headPoint); headPoint.X = headPoint.X - 0.0000000005; part.Add(headPoint); newline.AddPart(part); GSOGeoPolygon3D buffer = newline.CreateBuffer(valueAllowance, true, 5, true, false); GSOFeatures features = valveLayer.FindFeaturesInPolygon(buffer, false); if (features.Length > 0) { feature.HighLight = true; if (line.Style != null && line.Style is GSOPipeLineStyle3D) { GSOPipeLineStyle3D style = line.Style as GSOPipeLineStyle3D; style.HeadJointParam = new GSOPipeJointParam(); style.HeadJointParam.Extent = -valueIndented; } } //尾缩进 GSOPoint3d tailPoint = line[line.PartCount - 1][line[line.PartCount - 1].Count - 1]; newline = new GSOGeoPolyline3D(); part = new GSOPoint3ds(); part.Add(tailPoint); tailPoint.X = tailPoint.X - 0.0000000005; part.Add(tailPoint); newline.AddPart(part); buffer = newline.CreateBuffer(valueAllowance, true, 5, true, false); features = valveLayer.FindFeaturesInPolygon(buffer, false); if (features.Length > 0) { feature.HighLight = true; if (line.Style != null && line.Style is GSOPipeLineStyle3D) { GSOPipeLineStyle3D style = line.Style as GSOPipeLineStyle3D; style.TailJointParam = new GSOPipeJointParam(); style.TailJointParam.Extent = -valueIndented; } } } } } globeControl1.Globe.Refresh(); }
private GSOFeatures getFeatureByPolygon(GSOLayer layer,GSOFeatures features, GSOPoint3d point, double allowValue) { if (layer == null || point == null || allowValue <= 0) { return null; } GSOGeoPolyline3D bufferLine = new GSOGeoPolyline3D(); GSOPoint3ds points = new GSOPoint3ds(); points.Add(point); GSOPoint3d newPoint = new GSOPoint3d(); newPoint.X = point.X + 0.00001; newPoint.Y = point.Y; newPoint.Z = point.Z; points.Add(newPoint); bufferLine.AddPart(points); GSOGeoPolygon3D polygon = bufferLine.CreateBuffer(allowValue, true, 12, false, false); layer.RemoveAllFeature(); layer.AddFeatures(features); GSOFeatures featuresInPolygon = layer.FindFeaturesInPolygon(polygon, false); return featuresInPolygon; }