public void GetGdalInfoRaster(string file)
{
using var inputDataset = Gdal.Open(file, Access.GA_ReadOnly);
var info = Gdal.GDALInfo(inputDataset, new GDALInfoOptions(null));
Assert.NotNull(info);
}
/// <summary>
/// Runs GdalInfo with passed parameters
/// </summary>
/// <param name="inputFilePath">Input GeoTiff's path</param>
/// <param name="options">Array of string parameters for GdalInfo
/// <remarks><para/><see langword="null"/> by default</remarks></param>
/// <returns><see cref="string"/> from GdalInfo if everything OK;
/// <para/><see langword="null"/> otherwise</returns>
public static Task <string> InfoAsync(string inputFilePath, string[] options = null)
{
#region Preconditions checks
CheckHelper.CheckFile(inputFilePath);
#endregion
// Initialize Gdal, if needed
ConfigureGdal();
return(Task.Run(() =>
{
using Dataset inputDataset = Gdal.Open(inputFilePath, Access.GA_ReadOnly);
return Gdal.GDALInfo(inputDataset, new GDALInfoOptions(options));
}));
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
string datasourceFileLocation = string.Empty;
DA.GetData <string>(0, ref datasourceFileLocation);
string dstFileLocation = string.Empty;
DA.GetData <string>(1, ref dstFileLocation);
string options = string.Empty;
DA.GetData <string>(2, ref options);
var re = new System.Text.RegularExpressions.Regex("(?<=\")[^\"]*(?=\")|[^\" ]+");
string[] translateOptions = re.Matches(options).Cast <Match>().Select(m => m.Value).ToArray();
string datasourceInfo = string.Empty;
string dstInfo = string.Empty;
string dstOutput = string.Empty;
RESTful.GdalConfiguration.ConfigureGdal();
OSGeo.GDAL.Gdal.AllRegister();
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Look for more information about options at:");
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "https://gdal.org/programs/gdal_polygonize.html");
if (!string.IsNullOrEmpty(datasourceFileLocation))
{
using (Dataset datasource = Gdal.Open(datasourceFileLocation, Access.GA_ReadOnly))
{
if (datasource == null)
{
throw new Exception("Can't open GDAL dataset: " + datasourceFileLocation);
}
SpatialReference sr = new SpatialReference(datasource.GetProjection());
///Check if SRS needs to be converted from ESRI format to WKT to avoid error:
///"No translation for Lambert_Conformal_Conic to PROJ.4 format is known."
///https://gis.stackexchange.com/questions/128266/qgis-error-6-no-translation-for-lambert-conformal-conic-to-proj-4-format-is-kn
SpatialReference srEsri = sr;
srEsri.MorphFromESRI();
string projEsri = string.Empty;
srEsri.ExportToWkt(out projEsri);
///If no SRS exists, check Ground Control Points SRS
SpatialReference srGCP = new SpatialReference(datasource.GetGCPProjection());
string projGCP = string.Empty;
srGCP.ExportToWkt(out projGCP);
if (!string.IsNullOrEmpty(projEsri))
{
datasource.SetProjection(projEsri);
sr = srEsri;
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) morphed form ESRI format.");
}
else if (!string.IsNullOrEmpty(projGCP))
{
datasource.SetProjection(projGCP);
sr = srGCP;
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) set from Ground Control Points (GCPs).");
}
else
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) is unknown or unsupported. " +
"Try setting the SRS with the GdalWarp component using -t_srs EPSG:4326 for the option input.");
//sr.SetWellKnownGeogCS("WGS84");
}
///Get info about image
List <string> infoOptions = new List <string> {
"-stats"
};
datasourceInfo = Gdal.GDALInfo(datasource, new GDALInfoOptions(infoOptions.ToArray()));
if (!string.IsNullOrEmpty(dstFileLocation))
{
if (string.IsNullOrEmpty(options) && File.Exists(dstFileLocation))
{
Dataset dst = Gdal.Open(dstFileLocation, Access.GA_ReadOnly);
dstInfo = Gdal.GDALInfo(dst, null);
dst.Dispose();
dstOutput = dstFileLocation;
}
else
{
///https://github.com/OSGeo/gdal/issues/813
///https://lists.osgeo.org/pipermail/gdal-dev/2017-February/046046.html
///Odd way to go about setting source dataset in parameters for Warp is a known issue
var ptr = new[] { Dataset.getCPtr(datasource).Handle };
var gcHandle = GCHandle.Alloc(ptr, GCHandleType.Pinned);
try
{
var dss = new SWIGTYPE_p_p_GDALDatasetShadow(gcHandle.AddrOfPinnedObject(), false, null);
Dataset dst = Gdal.wrapper_GDALWarpDestName(dstFileLocation, 1, dss, new GDALWarpAppOptions(translateOptions), null, null);
if (dst == null)
{
throw new Exception("GdalWarp failed: " + Gdal.GetLastErrorMsg());
}
dstInfo = Gdal.GDALInfo(dst, new GDALInfoOptions(infoOptions.ToArray()));
dst.Dispose();
dstOutput = dstFileLocation;
}
finally
{
if (gcHandle.IsAllocated)
{
gcHandle.Free();
}
}
}
}
datasource.Dispose();
}
}
DA.SetData(0, datasourceInfo);
DA.SetData(1, dstInfo);
DA.SetData(2, dstOutput);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
string datasourceFileLocation = string.Empty;
DA.GetData <string>(0, ref datasourceFileLocation);
string dstFileLocation = string.Empty;
DA.GetData <string>(1, ref dstFileLocation);
string options = string.Empty;
DA.GetData <string>(2, ref options);
var re = new System.Text.RegularExpressions.Regex("(?<=\")[^\"]*(?=\")|[^\" ]+");
string[] translateOptions = re.Matches(options).Cast <Match>().Select(m => m.Value).ToArray();
string datasourceInfo = string.Empty;
string dstInfo = string.Empty;
string dstOutput = string.Empty;
RESTful.GdalConfiguration.ConfigureGdal();
OSGeo.GDAL.Gdal.AllRegister();
///Specific settings for getting WMS images
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_HTTP_UNSAFESSL", "YES");
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_SKIP", "WMS");
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Look for more information about options at:");
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "https://gdal.org/programs/gdal_translate.html");
if (!string.IsNullOrEmpty(datasourceFileLocation))
{
using (Dataset datasource = Gdal.Open(datasourceFileLocation, Access.GA_ReadOnly))
{
if (datasource == null)
{
throw new Exception("Can't open GDAL dataset: " + datasourceFileLocation);
}
SpatialReference sr = new SpatialReference(datasource.GetProjection());
///Check if SRS needs to be converted from ESRI format to WKT to avoid error:
///"No translation for Lambert_Conformal_Conic to PROJ.4 format is known."
///https://gis.stackexchange.com/questions/128266/qgis-error-6-no-translation-for-lambert-conformal-conic-to-proj-4-format-is-kn
SpatialReference srEsri = sr;
srEsri.MorphFromESRI();
string projEsri = string.Empty;
srEsri.ExportToWkt(out projEsri);
///If no SRS exists, check Ground Control Points SRS
SpatialReference srGCP = new SpatialReference(datasource.GetGCPProjection());
string projGCP = string.Empty;
srGCP.ExportToWkt(out projGCP);
if (!string.IsNullOrEmpty(projEsri))
{
datasource.SetProjection(projEsri);
sr = srEsri;
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) morphed form ESRI format.");
}
else if (!string.IsNullOrEmpty(projGCP))
{
datasource.SetProjection(projGCP);
sr = srGCP;
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) set from Ground Control Points (GCPs).");
}
else
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) is unknown or unsupported. " +
"Try setting the SRS with the GdalWarp component using -t_srs EPSG:4326 for the option input.");
//sr.SetWellKnownGeogCS("WGS84");
}
///Get info about image
List <string> infoOptions = new List <string> {
"-stats"
};
datasourceInfo = Gdal.GDALInfo(datasource, new GDALInfoOptions(infoOptions.ToArray()));
if (!string.IsNullOrEmpty(dstFileLocation))
{
if (string.IsNullOrEmpty(options) && File.Exists(dstFileLocation))
{
Dataset dst = Gdal.Open(dstFileLocation, Access.GA_ReadOnly);
dstInfo = Gdal.GDALInfo(dst, null);
dst.Dispose();
dstOutput = dstFileLocation;
}
else
{
Dataset dst = Gdal.wrapper_GDALTranslate(dstFileLocation, datasource, new GDALTranslateOptions(translateOptions), null, null);
dstInfo = Gdal.GDALInfo(dst, new GDALInfoOptions(infoOptions.ToArray()));
dst.Dispose();
dstOutput = dstFileLocation;
}
}
datasource.Dispose();
}
}
DA.SetData(0, datasourceInfo);
DA.SetData(1, dstInfo);
DA.SetData(2, dstOutput);
}
protected override void SolveInstance(IGH_DataAccess DA)
{
List <Curve> boundary = new List <Curve>();
DA.GetDataList <Curve>(0, boundary);
string IMG_file = string.Empty;
DA.GetData <string>(1, ref IMG_file);
RESTful.GdalConfiguration.ConfigureGdal();
OSGeo.GDAL.Gdal.AllRegister();
Dataset datasource = Gdal.Open(IMG_file, Access.GA_ReadOnly);
OSGeo.GDAL.Driver drv = datasource.GetDriver();
if (datasource == null)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "The vector datasource was unreadable by this component. It may not a valid file type for this component or otherwise null/empty.");
return;
}
///Get info about image
string srcInfo = string.Empty;
List <string> infoOptions = new List <string> {
"-stats"
};
srcInfo = Gdal.GDALInfo(datasource, new GDALInfoOptions(infoOptions.ToArray()));
///Get the spatial reference of the input raster file and set to WGS84 if not known
///Set up transform from source to WGS84
OSGeo.OSR.SpatialReference sr = new SpatialReference(Osr.SRS_WKT_WGS84);
if (datasource.GetProjection() == null)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Coordinate Reference System (CRS) is missing. CRS set automatically set to WGS84.");
}
else
{
sr = new SpatialReference(datasource.GetProjection());
if (sr.Validate() != 0)
{
///Check if SRS needs to be converted from ESRI format to WKT to avoid error:
///"No translation for Lambert_Conformal_Conic to PROJ.4 format is known."
///https://gis.stackexchange.com/questions/128266/qgis-error-6-no-translation-for-lambert-conformal-conic-to-proj-4-format-is-kn
SpatialReference srEsri = sr;
srEsri.MorphFromESRI();
string projEsri = string.Empty;
srEsri.ExportToWkt(out projEsri);
///If no SRS exists, check Ground Control Points SRS
SpatialReference srGCP = new SpatialReference(datasource.GetGCPProjection());
string projGCP = string.Empty;
srGCP.ExportToWkt(out projGCP);
if (!string.IsNullOrEmpty(projEsri))
{
datasource.SetProjection(projEsri);
sr = srEsri;
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) morphed form ESRI format.");
}
else if (!string.IsNullOrEmpty(projGCP))
{
datasource.SetProjection(projGCP);
sr = srGCP;
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) set from Ground Control Points (GCPs).");
}
else
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) is unknown or unsupported. SRS assumed to be WGS84." +
"Try setting the SRS with the GdalWarp component using -t_srs EPSG:4326 for the option input.");
sr.SetWellKnownGeogCS("WGS84");
}
}
else
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Data source SRS: EPSG:" + sr.GetAttrValue("AUTHORITY", 1));
}
}
//OSGeo.OSR.SpatialReference sr = new SpatialReference(ds.GetProjection());
OSGeo.OSR.SpatialReference dst = new OSGeo.OSR.SpatialReference("");
dst.SetWellKnownGeogCS("WGS84");
OSGeo.OSR.CoordinateTransformation coordTransform = new OSGeo.OSR.CoordinateTransformation(sr, dst);
OSGeo.OSR.CoordinateTransformation revTransform = new OSGeo.OSR.CoordinateTransformation(dst, sr);
double[] adfGeoTransform = new double[6];
double[] invTransform = new double[6];
datasource.GetGeoTransform(adfGeoTransform);
Gdal.InvGeoTransform(adfGeoTransform, invTransform);
int width = datasource.RasterXSize;
int height = datasource.RasterYSize;
///Dataset bounding box
double oX = adfGeoTransform[0] + adfGeoTransform[1] * 0 + adfGeoTransform[2] * 0;
double oY = adfGeoTransform[3] + adfGeoTransform[4] * 0 + adfGeoTransform[5] * 0;
double eX = adfGeoTransform[0] + adfGeoTransform[1] * width + adfGeoTransform[2] * height;
double eY = adfGeoTransform[3] + adfGeoTransform[4] * width + adfGeoTransform[5] * height;
///Transform to WGS84
double[] extMinPT = new double[3] {
oX, eY, 0
};
double[] extMaxPT = new double[3] {
eX, oY, 0
};
coordTransform.TransformPoint(extMinPT);
coordTransform.TransformPoint(extMaxPT);
Point3d dsMin = new Point3d(extMinPT[0], extMinPT[1], extMinPT[2]);
Point3d dsMax = new Point3d(extMaxPT[0], extMaxPT[1], extMaxPT[2]);
Rectangle3d dsbox = new Rectangle3d(Plane.WorldXY, Heron.Convert.WGSToXYZ(dsMin), Heron.Convert.WGSToXYZ(dsMax));
double pixelWidth = dsbox.Width / width;
double pixelHeight = dsbox.Height / height;
///Declare trees
GH_Structure <GH_Point> pointcloud = new GH_Structure <GH_Point>();
GH_Structure <GH_Integer> rCount = new GH_Structure <GH_Integer>();
GH_Structure <GH_Integer> cCount = new GH_Structure <GH_Integer>();
GH_Structure <GH_Mesh> tMesh = new GH_Structure <GH_Mesh>();
for (int i = 0; i < boundary.Count; i++)
{
GH_Path path = new GH_Path(i);
Curve clippingBoundary = boundary[i];
if (!clip)
{
clippingBoundary = dsbox.ToNurbsCurve();
}
string clippedTopoFile = "/vsimem/topoclipped.tif";
if (!(dsbox.BoundingBox.Contains(clippingBoundary.GetBoundingBox(true).Min) && (dsbox.BoundingBox.Contains(clippingBoundary.GetBoundingBox(true).Max))) && clip)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more boundaries may be outside the bounds of the topo dataset.");
}
///Offsets to mesh/boundary based on pixel size
Point3d clipperMinPreAdd = clippingBoundary.GetBoundingBox(true).Corner(true, false, true);
Point3d clipperMinPostAdd = new Point3d(clipperMinPreAdd.X, clipperMinPreAdd.Y, clipperMinPreAdd.Z);
Point3d clipperMin = Heron.Convert.XYZToWGS(clipperMinPostAdd);
Point3d clipperMaxPreAdd = clippingBoundary.GetBoundingBox(true).Corner(false, true, true);
///add/subtract pixel width if desired to get closer to boundary
Point3d clipperMaxPostAdd = new Point3d();
Point3d clipperMax = new Point3d();
if (clip)
{
clipperMaxPostAdd = new Point3d(clipperMaxPreAdd.X + pixelWidth, clipperMaxPreAdd.Y - pixelHeight, clipperMaxPreAdd.Z);
clipperMax = Heron.Convert.XYZToWGS(clipperMaxPostAdd);
}
else
{
clipperMaxPostAdd = new Point3d(clipperMaxPreAdd.X, clipperMaxPreAdd.Y, clipperMaxPreAdd.Z);
clipperMax = Heron.Convert.XYZToWGS(clipperMaxPostAdd);
}
double lonWest = clipperMin.X;
double lonEast = clipperMax.X;
double latNorth = clipperMin.Y;
double latSouth = clipperMax.Y;
var translateOptions = new[]
{
"-of", "GTiff",
"-a_nodata", "0",
"-projwin_srs", "WGS84",
"-projwin", $"{lonWest}", $"{latNorth}", $"{lonEast}", $"{latSouth}"
};
using (Dataset clippedDataset = Gdal.wrapper_GDALTranslate(clippedTopoFile, datasource, new GDALTranslateOptions(translateOptions), null, null))
{
Band band = clippedDataset.GetRasterBand(1);
width = clippedDataset.RasterXSize;
height = clippedDataset.RasterYSize;
clippedDataset.GetGeoTransform(adfGeoTransform);
Gdal.InvGeoTransform(adfGeoTransform, invTransform);
rCount.Append(new GH_Integer(height), path);
cCount.Append(new GH_Integer(width), path);
Mesh mesh = new Mesh();
List <Point3d> verts = new List <Point3d>();
//var vertsParallel = new System.Collections.Concurrent.ConcurrentDictionary<double[][], Point3d>(Environment.ProcessorCount, ((Urow - 1) * (Lrow - 1)));
double[] bits = new double[width * height];
band.ReadRaster(0, 0, width, height, bits, width, height, 0, 0);
for (int col = 0; col < width; col++)
{
for (int row = 0; row < height; row++)
{
// equivalent to bits[col][row] if bits is 2-dimension array
double pixel = bits[col + row * width];
if (pixel < -10000)
{
pixel = 0;
}
double gcol = adfGeoTransform[0] + adfGeoTransform[1] * col + adfGeoTransform[2] * row;
double grow = adfGeoTransform[3] + adfGeoTransform[4] * col + adfGeoTransform[5] * row;
///convert to WGS84
double[] wgsPT = new double[3] {
gcol, grow, pixel
};
coordTransform.TransformPoint(wgsPT);
Point3d pt = new Point3d(wgsPT[0], wgsPT[1], wgsPT[2]);
verts.Add(Heron.Convert.WGSToXYZ(pt));
}
/*Parallel.For(Urow, Lrow - 1, rowP =>
* {
* // equivalent to bits[col][row] if bits is 2-dimension array
* double pixel = bits[col + rowP * width];
* if (pixel < -10000)
* {
* pixel = 0;
* }
*
* double gcol = adfGeoTransform[0] + adfGeoTransform[1] * col + adfGeoTransform[2] * rowP;
* double grow = adfGeoTransform[3] + adfGeoTransform[4] * col + adfGeoTransform[5] * rowP;
*
* Point3d pt = new Point3d(gcol, grow, pixel);
* vertsParallel[] = Heron.Convert.ToXYZ(pt);
* });
* */
}
//Create meshes
//non Parallel
mesh.Vertices.AddVertices(verts);
//Parallel
//mesh.Vertices.AddVertices(vertsParallel.Values);
for (int u = 1; u < cCount[path][0].Value; u++)
{
for (int v = 1; v < rCount[path][0].Value; v++)
{
mesh.Faces.AddFace(v - 1 + (u - 1) * (height), v - 1 + u * (height), v - 1 + u * (height) + 1, v - 1 + (u - 1) * (height) + 1);
//(k - 1 + (j - 1) * num2, k - 1 + j * num2, k - 1 + j * num2 + 1, k - 1 + (j - 1) * num2 + 1)
}
}
//mesh.Flip(true, true, true);
tMesh.Append(new GH_Mesh(mesh), path);
band.Dispose();
}
Gdal.Unlink("/vsimem/topoclipped.tif");
}
datasource.Dispose();
DA.SetDataTree(0, tMesh);
DA.SetData(1, dsbox);
DA.SetData(2, srcInfo);
}
private void message_form_Shown(object sender, EventArgs e)
{
Form1 f = Application.OpenForms["Form1"] as Form1;
if (situations == status_value.save)
{
this.Text = "";
this.ControlBox = false;
timer1.Enabled = true;
this.Size = new Size(140, 140);
pictureBox1.Visible = true;
label5.Visible = true;
richTextBox1.Visible = false;
dataGridView1.Visible = false;
label1.Visible = false;
label2.Visible = false;
}
if ((situations == status_value.info_img) || (situations == status_value.info_emp))
{
this.Text = "Information";
this.ControlBox = true;
timer1.Enabled = false;
this.Size = new Size(360, 440);
pictureBox1.Visible = false;
label5.Visible = false;
dataGridView1.Visible = false;
label1.Visible = false;
label2.Visible = false;
richTextBox1.Visible = true;
richTextBox1.Location = new Point(0, 0);
richTextBox1.Text = "";
if ((id == -1) || (Form1.Project_ID == -1))
{
richTextBox1.Text = "no selected image or project!";
}
else
{
if (situations == status_value.info_img)
{
Gdal.AllRegister();
Dataset data_igdal = Gdal.Open(Form1.Imagelist[id],
Access.GA_ReadOnly);
richTextBox1.Text = Gdal.GDALInfo(data_igdal, null);
}
else
{
richTextBox1.Text = "Image name: " +
f.treeView1.Nodes[Form1.Project_ID].Nodes[id].Text.Substring(7)
+ "\n" + "Back color: " + Empty_image.empty_page_clr.Name
+ "\n" + "Bands: 0"
+ "\n" + "Page width: " + Form1.main_width[id].ToString()
+ "\n" + "Page height: " + Form1.main_height[id].ToString()
+ "\n" + "GCP count: " + Form1.gcp_collected[id].Rows.Count.ToString()
+ "\n" + "ICP count: " + Form1.icp_collected[id].Rows.Count.ToString();
}
}
}
if (situations == status_value.info_proje)
{
this.Text = "Information";
this.ControlBox = true;
timer1.Enabled = false;
this.Size = new Size(645, 275);
pictureBox1.Visible = false;
label5.Visible = false;
richTextBox1.Visible = false;
dataGridView1.Visible = true;
label1.Visible = true;
label2.Visible = true;
label1.Text = "Proje name: " + f.treeView1.Nodes[id].Text.Substring(9);
label2.Text = "Proje Information: " + Form1.proje_info[id];
int i;
for (i = 0; i < Form1.Imagelist.Count; i++)
{
dataGridView1.Rows.Add(f.treeView1.Nodes[id].Nodes[i].Text.Substring(7),
Form1.bants_img_count[i].ToString(), Form1.main_width[i].ToString(),
Form1.main_height[i].ToString(), Form1.gcp_collected[i].Rows.Count,
Form1.icp_collected[i].Rows.Count);
}
}
}
protected override void SolveInstance(IGH_DataAccess DA)
{
Curve boundary = null;
DA.GetData <Curve>(0, ref boundary);
string sourceFileLocation = string.Empty;
DA.GetData <string>(1, ref sourceFileLocation);
string clippedLocation = string.Empty;
DA.GetData <string>(2, ref clippedLocation);
RESTful.GdalConfiguration.ConfigureGdal();
OSGeo.GDAL.Gdal.AllRegister();
///Specific settings for getting WMS images
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_HTTP_UNSAFESSL", "YES");
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_SKIP", "WMS");
///Read in the raster data
Dataset datasource = Gdal.Open(sourceFileLocation, Access.GA_ReadOnly);
OSGeo.GDAL.Driver drv = datasource.GetDriver();
string srcInfo = string.Empty;
if (datasource == null)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "The raster datasource was unreadable by this component. It may not a valid file type for this component or otherwise null/empty.");
return;
}
///Get the spatial reference of the input raster file and set to WGS84 if not known
///Set up transform from source to WGS84
OSGeo.OSR.SpatialReference sr = new SpatialReference(Osr.SRS_WKT_WGS84);
if (datasource.GetProjection() == null)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) is missing. SRS set automatically set to WGS84.");
}
else
{
sr = new SpatialReference(datasource.GetProjection());
if (sr.Validate() != 0)
{
///Check if SRS needs to be converted from ESRI format to WKT to avoid error:
///"No translation for Lambert_Conformal_Conic to PROJ.4 format is known."
///https://gis.stackexchange.com/questions/128266/qgis-error-6-no-translation-for-lambert-conformal-conic-to-proj-4-format-is-kn
SpatialReference srEsri = sr;
srEsri.MorphFromESRI();
string projEsri = string.Empty;
srEsri.ExportToWkt(out projEsri);
///If no SRS exists, check Ground Control Points SRS
SpatialReference srGCP = new SpatialReference(datasource.GetGCPProjection());
string projGCP = string.Empty;
srGCP.ExportToWkt(out projGCP);
if (!string.IsNullOrEmpty(projEsri))
{
datasource.SetProjection(projEsri);
sr = srEsri;
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) morphed form ESRI format.");
}
else if (!string.IsNullOrEmpty(projGCP))
{
datasource.SetProjection(projGCP);
sr = srGCP;
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) set from Ground Control Points (GCPs).");
}
else
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) is unknown or unsupported. SRS assumed to be WGS84." +
"Try setting the SRS with the GdalWarp component using -t_srs EPSG:4326 for the option input.");
sr.SetWellKnownGeogCS("WGS84");
}
}
else
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Data source SRS: EPSG:" + sr.GetAttrValue("AUTHORITY", 1));
}
}
///Get info about image
List <string> infoOptions = new List <string> {
"-stats"
};
srcInfo = Gdal.GDALInfo(datasource, new GDALInfoOptions(infoOptions.ToArray()));
//OSGeo.OSR.SpatialReference sr = new SpatialReference(ds.GetProjection());
OSGeo.OSR.SpatialReference dst = new OSGeo.OSR.SpatialReference("");
dst.SetWellKnownGeogCS("WGS84");
OSGeo.OSR.CoordinateTransformation coordTransform = new OSGeo.OSR.CoordinateTransformation(sr, dst);
OSGeo.OSR.CoordinateTransformation revTransform = new OSGeo.OSR.CoordinateTransformation(dst, sr);
double[] adfGeoTransform = new double[6];
double[] invTransform = new double[6];
datasource.GetGeoTransform(adfGeoTransform);
Gdal.InvGeoTransform(adfGeoTransform, invTransform);
Band band = datasource.GetRasterBand(1);
int width = datasource.RasterXSize;
int height = datasource.RasterYSize;
///Dataset bounding box
double oX = adfGeoTransform[0] + adfGeoTransform[1] * 0 + adfGeoTransform[2] * 0;
double oY = adfGeoTransform[3] + adfGeoTransform[4] * 0 + adfGeoTransform[5] * 0;
double eX = adfGeoTransform[0] + adfGeoTransform[1] * width + adfGeoTransform[2] * height;
double eY = adfGeoTransform[3] + adfGeoTransform[4] * width + adfGeoTransform[5] * height;
///Transform to WGS84.
///TODO: Allow for UserSRS
double[] extMinPT = new double[3] {
oX, eY, 0
};
double[] extMaxPT = new double[3] {
eX, oY, 0
};
coordTransform.TransformPoint(extMinPT);
coordTransform.TransformPoint(extMaxPT);
Point3d dsMin = new Point3d(extMinPT[0], extMinPT[1], extMinPT[2]);
Point3d dsMax = new Point3d(extMaxPT[0], extMaxPT[1], extMaxPT[2]);
///Get bounding box for entire raster data
Rectangle3d datasourceBBox = new Rectangle3d(Plane.WorldXY, Heron.Convert.WGSToXYZ(dsMin), Heron.Convert.WGSToXYZ(dsMax));
///https://gis.stackexchange.com/questions/312440/gdal-translate-bilinear-interpolation
///set output to georeferenced tiff as a catch-all
string clippedRasterFile = clippedLocation + Path.GetFileNameWithoutExtension(sourceFileLocation) + "_clipped.tif";
string previewPNG = clippedLocation + Path.GetFileNameWithoutExtension(sourceFileLocation) + "_preview.png";
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Original Resolution: " + datasource.RasterXSize.ToString() + "x" + datasource.RasterYSize.ToString());
if (boundary != null)
{
Point3d clipperMin = Heron.Convert.XYZToWGS(boundary.GetBoundingBox(true).Corner(true, false, true));
Point3d clipperMax = Heron.Convert.XYZToWGS(boundary.GetBoundingBox(true).Corner(false, true, true));
double lonWest = clipperMin.X;
double lonEast = clipperMax.X;
double latNorth = clipperMin.Y;
double latSouth = clipperMax.Y;
///GDALTranslate should also be its own component with full control over options
var translateOptions = new[]
{
"-of", "GTiff",
//"-a_nodata", "0",
"-projwin_srs", "WGS84",
"-projwin", $"{lonWest}", $"{latNorth}", $"{lonEast}", $"{latSouth}"
};
using (Dataset clippedDataset = Gdal.wrapper_GDALTranslate(clippedRasterFile, datasource, new GDALTranslateOptions(translateOptions), null, null))
{
Dataset previewDataset = Gdal.wrapper_GDALTranslate(previewPNG, clippedDataset, null, null, null);
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Clipped Resolution: " + clippedDataset.RasterXSize.ToString() + "x" + datasource.RasterYSize.ToString());
///clean up
clippedDataset.FlushCache();
clippedDataset.Dispose();
previewDataset.FlushCache();
previewDataset.Dispose();
AddPreviewItem(previewPNG, BBoxToRect(boundary.GetBoundingBox(true)));
}
}
else
{
Dataset previewDataset = Gdal.wrapper_GDALTranslate(previewPNG, datasource, null, null, null);
///clean up
previewDataset.FlushCache();
previewDataset.Dispose();
AddPreviewItem(previewPNG, datasourceBBox);
}
///clean up
datasource.FlushCache();
datasource.Dispose();
DA.SetData(0, srcInfo);
DA.SetData(1, datasourceBBox);
DA.SetData(2, clippedRasterFile);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
string srcFileLocation = string.Empty;
DA.GetData <string>(0, ref srcFileLocation);
string dstFileLocation = string.Empty;
DA.GetData <string>(1, ref dstFileLocation);
string options = string.Empty;
DA.GetData <string>(2, ref options);
string[] translateOptions = options.Split(' ');
string srcInfo = string.Empty;
string dstInfo = string.Empty;
string dstOutput = string.Empty;
RESTful.GdalConfiguration.ConfigureGdal();
OSGeo.GDAL.Gdal.AllRegister();
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Look for more information about options at:");
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "https://gdal.org/programs/gdalwarp.html");
if (!string.IsNullOrEmpty(srcFileLocation))
{
using (Dataset src = Gdal.Open(srcFileLocation, Access.GA_ReadOnly))
{
if (src == null)
{
throw new Exception("Can't open GDAL dataset: " + srcFileLocation);
}
srcInfo = Gdal.GDALInfo(src, null);
if (!string.IsNullOrEmpty(dstFileLocation))
{
if (string.IsNullOrEmpty(options) && File.Exists(dstFileLocation))
{
Dataset dst = Gdal.Open(dstFileLocation, Access.GA_ReadOnly);
dstInfo = Gdal.GDALInfo(dst, null);
dst.Dispose();
dstOutput = dstFileLocation;
}
else
{
///https://github.com/OSGeo/gdal/issues/813
///https://lists.osgeo.org/pipermail/gdal-dev/2017-February/046046.html
///Odd way to go about setting source dataset in parameters for Warp is a known issue
var ptr = new[] { Dataset.getCPtr(src).Handle };
var gcHandle = GCHandle.Alloc(ptr, GCHandleType.Pinned);
try
{
var dss = new SWIGTYPE_p_p_GDALDatasetShadow(gcHandle.AddrOfPinnedObject(), false, null);
Dataset dst = Gdal.wrapper_GDALWarpDestName(dstFileLocation, 1, dss, new GDALWarpAppOptions(translateOptions), null, null);
if (dst == null)
{
throw new Exception("GdalWarp failed: " + Gdal.GetLastErrorMsg());
}
dstInfo = Gdal.GDALInfo(dst, null);
dst.Dispose();
dstOutput = dstFileLocation;
}
finally
{
if (gcHandle.IsAllocated)
{
gcHandle.Free();
}
}
}
}
src.Dispose();
}
}
DA.SetData(0, srcInfo);
DA.SetData(1, dstInfo);
DA.SetData(2, dstOutput);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
string srcFileLocation = string.Empty;
DA.GetData <string>(0, ref srcFileLocation);
string dstFileLocation = string.Empty;
DA.GetData <string>(1, ref dstFileLocation);
string options = string.Empty;
DA.GetData <string>(2, ref options);
string[] translateOptions = options.Split(' ');
string srcInfo = string.Empty;
string dstInfo = string.Empty;
string dstOutput = string.Empty;
RESTful.GdalConfiguration.ConfigureGdal();
OSGeo.GDAL.Gdal.AllRegister();
///Specific settings for getting WMS images
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_HTTP_UNSAFESSL", "YES");
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_SKIP", "WMS");
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Look for more information about options at:");
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "https://gdal.org/programs/gdal_translate.html");
if (!string.IsNullOrEmpty(srcFileLocation))
{
using (Dataset src = Gdal.Open(srcFileLocation, Access.GA_ReadOnly))
{
if (src == null)
{
throw new Exception("Can't open GDAL dataset: " + srcFileLocation);
}
srcInfo = Gdal.GDALInfo(src, null);
if (!string.IsNullOrEmpty(dstFileLocation))
{
if (string.IsNullOrEmpty(options) && File.Exists(dstFileLocation))
{
Dataset dst = Gdal.Open(dstFileLocation, Access.GA_ReadOnly);
dstInfo = Gdal.GDALInfo(dst, null);
dst.Dispose();
dstOutput = dstFileLocation;
}
else
{
Dataset dst = Gdal.wrapper_GDALTranslate(dstFileLocation, src, new GDALTranslateOptions(translateOptions), null, null);
dstInfo = Gdal.GDALInfo(dst, null);
dst.Dispose();
dstOutput = dstFileLocation;
}
}
src.Dispose();
}
}
DA.SetData(0, srcInfo);
DA.SetData(1, dstInfo);
DA.SetData(2, dstOutput);
}
