public override bool Equals(object obj)
{
if (!(obj is GeorefImageLayerBuilder))
{
return(false);
}
GeorefImageLayerBuilder castObj = obj as GeorefImageLayerBuilder;
// -- Equal if they're the same local file --
return(this.m_strFileName.Equals(castObj.m_strFileName));
}
internal override RenderableObject GetLayer()
{
if (m_blnIsChanged)
{
try
{
GeographicBoundingBox extents = GeorefImageLayerBuilder.GetExtentsFromGeotif(m_strFileName);
if (extents != null)
{
// Convert Geotif right here to save lockup in update thread due to slow GDI+ to DirectX texture stream
if (!File.Exists(m_strCacheFileName) || File.GetLastWriteTime(m_strCacheFileName) < File.GetLastWriteTime(m_strFileName))
{
using (Image img = Image.FromFile(m_strFileName))
{
Directory.CreateDirectory(Path.GetDirectoryName(m_strCacheFileName));
img.Save(m_strCacheFileName, System.Drawing.Imaging.ImageFormat.Png);
}
}
m_Layer = new ImageLayer(m_szTreeNodeText, m_oWorldWindow.CurrentWorld, 0.0, m_strCacheFileName, extents.South, extents.North, extents.West, extents.East, m_bOpacity, m_oWorldWindow.CurrentWorld.TerrainAccessor);
m_Layer.IsOn = m_IsOn;
m_Layer.Opacity = m_bOpacity;
m_Layer.RenderPriority = RenderPriority.TerrainMappedImages;
}
}
catch
{
if (File.Exists(m_strCacheFileName))
{
File.Delete(m_strCacheFileName);
}
m_Layer = null;
}
m_blnIsChanged = false;
}
return(m_Layer);
}
private void AddGeoTiff(string strGeoTiff, string strGeoTiffName, bool bTmp, bool bGoto)
{
LayerBuilder builder = new GeorefImageLayerBuilder(strGeoTiffName, strGeoTiff, bTmp, c_oWorldWindow, null);
Cursor = Cursors.WaitCursor;
if (builder.GetLayer() != null)
{
Cursor = Cursors.Default;
// If the file is already there remove it
c_oLayerList.CmdRemoveGeoTiff(strGeoTiff);
// If there is already a layer by that name find unique name
if (strGeoTiffName.Length > 0)
{
int iCount = 0;
string strNewName = strGeoTiffName;
bool bExist = true;
while (bExist)
{
bExist = false;
foreach (LayerBuilder container in c_oLayerList.AllLayers)
{
if (container.Title == strNewName)
{
bExist = true;
break;
}
}
if (bExist)
{
iCount++;
strNewName = strGeoTiffName + "_" + iCount.ToString(CultureInfo.InvariantCulture);
}
}
strGeoTiffName = strNewName;
}
if (bTmp) builder.Opacity = 128;
else builder.Opacity = 255;
builder.Visible = true;
builder.Temporary = bTmp;
c_oLayerList.AddLayer(builder);
if (bGoto)
GoTo(builder, false);
}
else
{
Cursor = Cursors.Default;
string strMessage = "Error adding the file: '" + strGeoTiff + "'.\nOnly WGS 84 geographic images can be displayed at this time.";
string strGeoInfo = GeorefImageLayerBuilder.GetGeorefInfoFromGeotif(strGeoTiff);
if (strGeoInfo.Length > 0)
{
strMessage += "\nThis image is:\n\n" + strGeoInfo;
}
Program.ShowMessageBox(
strMessage,
"Open GeoTIFF Image",
MessageBoxButtons.OK,
MessageBoxDefaultButton.Button1,
MessageBoxIcon.Error);
}
}