private void button28_Click(object sender, EventArgs e)
{
GeoGridLayer layer = new GeoGridLayer();
_canvas.LayerContainer.Layers.Add(layer);
_canvas.Refresh(enumRefreshType.All);
}
private void AddGeoGrid(ICanvas c)
{
GeoGridLayer lyr = new GeoGridLayer();
lyr.GridSpan = 5;
lyr.GridColor = _gridColor;//Color.Gray;
lyr.LatLabelStep = 2;
lyr.LonLabelStep = 2;
c.LayerContainer.Layers.Add(lyr);
_geoGridLayer = lyr;
}
private void AddGeoGrid(ICanvas c)
{
GeoGridLayer lyr = new GeoGridLayer();
lyr.GridSpan = 10; //经纬网间隔5
lyr.GridColor = _gridColor; //网格颜色
lyr.LatLabelStep = 5; //纬度步长2
lyr.LonLabelStep = 5; //经度步长2
_geoGridLayer = lyr;
c.LayerContainer.Layers.Add(_geoGridLayer);
}
public void Free()
{
if (_maskLayer != null)
{
_maskLayer.Dispose();
_maskLayer = null;
}
if (_toolLayer != null)
{
_toolLayer.Dispose();
_toolLayer = null;
}
if (_geoGridLayer != null)
{
_geoGridLayer.Dispose();
_geoGridLayer = null;
}
}
void UCGbalFirRevise_Disposed(object sender, EventArgs e)
{
if (_vectorMapHostLayer != null)
{
(_vectorMapHostLayer as VectorHostLayer).Dispose();
_vectorMapHostLayer = null;
}
if (_geoGridLayer != null)
{
_geoGridLayer.Dispose();
_geoGridLayer = null;
}
if (this.canvasHost1 != null)
{
this.canvasHost1.Canvas.Dispose();
this.canvasHost1.Dispose();
}
}
void UCSimpleMapControl_Disposed(object sender, EventArgs e)
{
if (_objHosts != null && _objHosts.Count != 0)
{
foreach (string key in _objHosts.Keys)
{
ISimpleVectorObjectHost host = _objHosts[key];
if (host != null)
{
host.Dispose();
}
}
_objHosts.Clear();
}
if (_aoiContainer != null)
{
(_aoiContainer as AOIContainerLayer).Dispose();
_aoiContainer = null;
}
if (_vectorHostLayer != null)
{
(_vectorHostLayer as VectorHostLayer).Dispose();
_vectorHostLayer = null;
}
if (_geoGridLayer != null)
{
_geoGridLayer.Dispose();
_geoGridLayer = null;
}
if (canvasHost1 != null)
{
canvasHost1.Canvas.Dispose();
canvasHost1.Dispose();
//canvasHost1 = null;
}
}
/// <summary>
/// 添加经纬网格
/// </summary>
/// <param name="argument">经纬网格间隔："1"</param>
public override void Execute(string argument)
{
ICanvas canvas = null;
ILayoutHost host = null;
if (_smartSession.SmartWindowManager.ActiveViewer is ICanvasViewer)
{
canvas = GetCanvasByCanvasViewer();
}
else if (_smartSession.SmartWindowManager.ActiveViewer is ILayoutViewer)
{
canvas = GetCanvasByLayoutDataFrame(out host);
}
if (canvas == null)
{
return;
}
//无坐标的图片
if (canvas.IsRasterCoord)
{
return;
}
//判断是否已经有经纬网格层的存在
double intervel = 1f;
bool ok = double.TryParse(argument, out intervel);
if (!ok)
{
return;
}
List <ILayer> layers = canvas.LayerContainer.Layers;
GeoGridLayer gridLayer = null;
foreach (ILayer layer in layers)
{
if (layer is GeoGridLayer)
{
gridLayer = (layer as GeoGridLayer);
}
else
{
continue;
}
}
//如果没有经纬网格的存在则新建经纬网格，并添加
if (gridLayer == null)
{
gridLayer = new GeoGridLayer();
gridLayer.GridSpan = intervel;
canvas.LayerContainer.Layers.Add(gridLayer);
}
//如果已经有经纬网格的存在则修改经纬网格的属性即可
else
{
gridLayer.GridSpan = intervel;
}
canvas.Refresh(enumRefreshType.All);
if (host != null)
{
//专题图中默认网格颜色为蓝色
gridLayer.GridColor = Color.Blue;
//刷新专题图
host.Render(true);
}
//
TryRefreshLayerManager();
}
