private void menu_Click(object sender, EventArgs e)
{
FormContour Frm = new FormContour();
Frm.layers = App.Map.GetRasterLayers();
if (Frm.layers.GetLength(0) <= 0)
{
MessageBox.Show("No raster layer found!");
return;
}
if (Frm.ShowDialog() == DialogResult.OK)
{
IMapFeatureLayer fl = App.Map.Layers.Add(Frm.Contours);
fl.LegendText = Frm.LayerName + " - Contours";
int numlevs = Frm.lev.GetLength(0);
switch (Frm.contourtype)
{
case (Contour.ContourType.Line):
{
LineScheme ls = new LineScheme();
ls.Categories.Clear();
for (int i = 0; i < Frm.color.GetLength(0); i++)
{
LineCategory lc = new LineCategory(Frm.color[i], 2.0);
lc.FilterExpression = "[Value] = " + Frm.lev[i].ToString();
lc.LegendText = Frm.lev[i].ToString();
ls.AddCategory(lc);
}
fl.Symbology = ls;
}
break;
case (Contour.ContourType.Polygon):
{
PolygonScheme ps = new PolygonScheme();
ps.Categories.Clear();
for (int i = 0; i < Frm.color.GetLength(0); i++)
{
PolygonCategory pc = new PolygonCategory(Frm.color[i], Color.Transparent, 0);
pc.FilterExpression = "[Lev] = " + i.ToString();
pc.LegendText = Frm.lev[i].ToString() + " - " + Frm.lev[i + 1].ToString();
ps.AddCategory(pc);
}
fl.Symbology = ps;
}
break;
}
}
}
/// <summary>
/// Creates a new raster with the specified cell size. If the cell size
/// is zero, this will default to the shorter of the width or height
/// divided by 256. If the cell size produces a raster that is greater
/// than 8, 000 pixels in either dimension, it will be re-sized to
/// create an 8, 000 length or width raster.
/// </summary>
/// <param name="fs">The featureset to convert to a raster.</param>
/// <param name="extent">Force the raster to this specified extent.</param>
/// <param name="cellSize">The double extent of the cell.</param>
/// <param name="fieldName">The integer field index of the file.</param>
/// <param name="outputFileName">The fileName of the raster to create.</param>
/// <param name="driverCode">The optional GDAL driver code to use if using GDAL
/// for a format that is not discernable from the file extension. An empty string
/// is usually perfectly acceptable here.</param>
/// <param name="options">For GDAL rasters, they can be created with optional parameters
/// passed in as a string array. In most cases an empty string is perfectly acceptable.</param>
/// <param name="progressHandler">An interface for handling the progress messages.</param>
/// <returns>Generates a raster from the vectors.</returns>
public static IRaster ToRaster(IFeatureSet fs, Extent extent, double cellSize, string fieldName,
string outputFileName,
string driverCode, string[] options, IProgressHandler progressHandler)
{
Extent env = extent;
if (cellSize == 0)
{
if (env.Width < env.Height)
{
cellSize = env.Width / 256;
}
else
{
cellSize = env.Height / 256;
}
}
int w = (int)Math.Ceiling(env.Width / cellSize);
if (w > 8000)
{
w = 8000;
cellSize = env.Width / 8000;
}
int h = (int)Math.Ceiling(env.Height / cellSize);
if (h > 8000)
{
h = 8000;
}
Bitmap bmp = new Bitmap(w, h);
Graphics g = Graphics.FromImage(bmp);
g.Clear(Color.Transparent);
g.SmoothingMode = SmoothingMode.None;
g.TextRenderingHint = TextRenderingHint.SingleBitPerPixel;
g.InterpolationMode = InterpolationMode.NearestNeighbor;
Hashtable colorTable;
MapArgs args = new MapArgs(new Rectangle(0, 0, w, h), env, g);
switch (fs.FeatureType)
{
case FeatureType.Polygon:
{
MapPolygonLayer mpl = new MapPolygonLayer(fs);
PolygonScheme ps = new PolygonScheme();
colorTable = ps.GenerateUniqueColors(fs, fieldName);
mpl.Symbology = ps;
mpl.DrawRegions(args, new List <Extent> {
env
});
}
break;
case FeatureType.Line:
{
MapLineLayer mpl = new MapLineLayer(fs);
LineScheme ps = new LineScheme();
colorTable = ps.GenerateUniqueColors(fs, fieldName);
mpl.Symbology = ps;
mpl.DrawRegions(args, new List <Extent> {
env
});
}
break;
default:
{
MapPointLayer mpl = new MapPointLayer(fs);
PointScheme ps = new PointScheme();
colorTable = ps.GenerateUniqueColors(fs, fieldName);
mpl.Symbology = ps;
mpl.DrawRegions(args, new List <Extent> {
env
});
}
break;
}
Type tp = fieldName == "FID" ? typeof(int) : fs.DataTable.Columns[fieldName].DataType;
// We will try to convert to double if it is a string
if (tp == typeof(string))
{
tp = typeof(double);
}
InRamImageData image = new InRamImageData(bmp, env);
ProgressMeter pm = new ProgressMeter(progressHandler, "Converting To Raster Cells", h);
IRaster output;
output = Raster.Create(outputFileName, driverCode, w, h, 1, tp, options);
output.Bounds = new RasterBounds(h, w, env);
double noDataValue = output.NoDataValue;
if (fieldName != "FID")
{
// We can't use this method to calculate Max on a non-existent FID field.
double dtMax = Convert.ToDouble(fs.DataTable.Compute("Max(" + fieldName + ")", ""));
double dtMin = Convert.ToDouble(fs.DataTable.Compute("Min(" + fieldName + ")", ""));
if (dtMin <= noDataValue && dtMax >= noDataValue)
{
if (dtMax != GetFieldValue(tp, "MaxValue"))
{
output.NoDataValue = noDataValue;
}
else if (dtMin != GetFieldValue(tp, "MinValue"))
{
output.NoDataValue = noDataValue;
}
}
}
List <RcIndex> locations = new List <RcIndex>();
List <string> failureList = new List <string>();
for (int row = 0; row < h; row++)
{
for (int col = 0; col < w; col++)
{
Color c = image.GetColor(row, col);
if (c.A == 0)
{
output.Value[row, col] = output.NoDataValue;
}
else
{
if (colorTable.ContainsKey(c) == false)
{
if (c.A < 125)
{
output.Value[row, col] = output.NoDataValue;
continue;
}
// Use a color matching distance to pick the closest member
object val = GetCellValue(w, h, row, col, image, c, colorTable, locations);
output.Value[row, col] = GetDouble(val, failureList);
}
else
{
output.Value[row, col] = GetDouble(colorTable[c], failureList);
}
}
}
pm.CurrentValue = row;
}
const int maxIterations = 5;
int iteration = 0;
while (locations.Count > 0)
{
List <RcIndex> newLocations = new List <RcIndex>();
foreach (RcIndex location in locations)
{
object val = GetCellValue(w, h, location.Row, location.Column, image,
image.GetColor(location.Row, location.Column), colorTable, newLocations);
output.Value[location.Row, location.Column] = GetDouble(val, failureList);
}
locations = newLocations;
iteration++;
if (iteration > maxIterations)
{
break;
}
}
pm.Reset();
return(output);
}
/// <summary>
/// Translates the given style as line style and adds it to the given line scheme.
/// </summary>
/// <param name="scheme">The scheme the style gets added to.</param>
/// <param name="style">The style that gets translated.</param>
private static void TranslateLineStyle(LineScheme scheme, string style)
{
if (string.IsNullOrWhiteSpace(style))
{
return;
}
var mystyle = style;
int index = mystyle.IndexOf("(", StringComparison.Ordinal);
if (index < 1)
{
return;
}
var toolname = mystyle.Substring(0, index);
mystyle = mystyle.Substring(index + 1);
Color col = Color.Black;
double width = 1;
DashStyle dashStyle = DashStyle.Solid;
float[] pattern = null;
bool invisible = true;
switch (toolname)
{
case "PEN":
col = GetColor(ref mystyle, Parameters.Color);
width = GetWidth(ref mystyle);
pattern = GetPattern(ref mystyle);
dashStyle = GetDashStyle(ref mystyle, out invisible);
break;
}
if (pattern != null)
{
dashStyle = DashStyle.Custom;
}
if (invisible)
{
col = Color.Transparent;
}
var stroke = new CartographicStroke(col)
{
Width = width,
DashStyle = dashStyle
};
if (pattern != null)
{
stroke.DashPattern = pattern;
}
var symb = new LineSymbolizer
{
ScaleMode = ScaleMode.Simple,
Smoothing = false,
Strokes =
{
[0] = stroke
}
};
var cat = new LineCategory
{
FilterExpression = $"[style] = '{style}'",
LegendText = style,
Symbolizer = symb
};
scheme.AddCategory(cat);
}
/// <summary>
/// Translates the style strings from the list to DotSpatial style categories and adds them to the given layer.
/// </summary>
/// <param name="layer">The layer the styles get added to.</param>
/// <param name="styles">The style strings that should get translated.</param>
public static void TranslateStyles(IMapFeatureLayer layer, IList <string> styles)
{
var featureType = layer.DataSet.FeatureType;
switch (featureType)
{
case FeatureType.MultiPoint:
case FeatureType.Point:
{
// create the scheme
var scheme = new PointScheme();
scheme.Categories.Clear();
scheme.EditorSettings.ClassificationType = ClassificationType.UniqueValues;
scheme.EditorSettings.FieldName = "style";
scheme.LegendText = "Point";
// add the default category
var cat = new PointCategory(Color.Black, Symbology.PointShape.Rectangle, 5)
{
LegendText = "default",
Symbolizer =
{
ScaleMode = ScaleMode.Simple,
Smoothing = false
}
};
scheme.AddCategory(cat);
var labelLayer = new MapLabelLayer();
labelLayer.Symbology.Categories.Clear();
bool needsLabels = styles.Any(_ => !string.IsNullOrWhiteSpace(_) && _.StartsWith("LABEL"));
foreach (var style in styles)
{
TranslatePointStyle(scheme, labelLayer.Symbology, style);
}
// assign the scheme
layer.Symbology = scheme;
// assign the label layer if needed
if (needsLabels)
{
layer.LabelLayer = labelLayer;
layer.ShowLabels = true;
layer.LabelLayer.CreateLabels();
}
layer.DataSet.UpdateExtent();
layer.DataSet.InitializeVertices();
layer.AssignFastDrawnStates();
break;
}
case FeatureType.Line:
{
// create the scheme
var scheme = new LineScheme();
scheme.Categories.Clear();
scheme.EditorSettings.ClassificationType = ClassificationType.UniqueValues;
scheme.EditorSettings.FieldName = "style";
scheme.LegendText = "Line";
// add the default category
var cat = new LineCategory(Color.Black, 1)
{
LegendText = "default",
Symbolizer =
{
ScaleMode = ScaleMode.Simple,
Smoothing = false
}
};
scheme.AddCategory(cat);
// add the categories from the file
foreach (var style in styles)
{
TranslateLineStyle(scheme, style);
}
// assign the scheme
layer.Symbology = scheme;
layer.DataSet.UpdateExtent();
layer.DataSet.InitializeVertices();
layer.AssignFastDrawnStates();
break;
}
case FeatureType.Polygon:
{
// create the scheme
var scheme = new PolygonScheme();
scheme.Categories.Clear();
scheme.EditorSettings.ClassificationType = ClassificationType.UniqueValues;
scheme.EditorSettings.FieldName = "style";
scheme.LegendText = "Polygon";
// add the default category
var cat = new PolygonCategory(Color.GhostWhite, Color.Black, 1)
{
LegendText = "default",
Symbolizer =
{
ScaleMode = ScaleMode.Simple,
Smoothing = false
}
};
scheme.AddCategory(cat);
// add the categories from the file
foreach (var style in styles)
{
TranslatePolygonStyle(scheme, style);
}
// assign the scheme
layer.Symbology = scheme;
layer.DataSet.UpdateExtent();
layer.DataSet.InitializeVertices();
layer.AssignFastDrawnStates();
break;
}
default: throw new ArgumentOutOfRangeException(nameof(featureType), featureType, null);
}
}
public void setSymbolizer()
{
double baseWidth = 20.0;
double baseOutlineWidth = 10.0;
double adjWidth = baseWidth;
double adjOutlineWidth = baseOutlineWidth;
LineScheme rdScheme = new LineScheme();
LineSymbolizer catSelSym = new LineSymbolizer();
catSelSym.ScaleMode = ScaleMode.Geographic;
catSelSym.SetWidth(adjWidth);
catSelSym.SetOutline(Color.Blue, adjOutlineWidth);
catSelSym.SetFillColor(Color.White);
LineSymbolizer symDef = new LineSymbolizer();
symDef.ScaleMode = ScaleMode.Geographic;
symDef.SetWidth(adjWidth);
symDef.SetOutline(Color.Black, adjOutlineWidth);
symDef.SetFillColor(Color.Gray);
LineCategory catDef = new LineCategory();
catDef.LegendText = "No RSL Info";
catDef.SelectionSymbolizer = catSelSym;
catDef.Symbolizer = symDef;
rdScheme.AddCategory(catDef);
int[] r = new int[30];
int[] g = new int[30];
int[] b = new int[30];
if (Project.settings.GetValue("road_colors").Contains("t"))
{
if (moduleRoads.roadColors == "RSL")
{
for (int rsl = 0; rsl <= 20; rsl++)
{
// create a category
LineCategory colorCat = new LineCategory();
colorCat.FilterExpression = "[TAMSROADRSL] = '" + rsl.ToString() + "'";
LineSymbolizer colorSym = new LineSymbolizer();
colorSym.ScaleMode = ScaleMode.Geographic;
colorSym.SetWidth(adjWidth);
colorSym.SetOutline(Color.DarkGray, adjOutlineWidth);
Color fillColor = Color.Gray;
if (rsl == 20 || rsl == 19)
{
fillColor = Color.Blue;
}
if (rsl <= 18 && rsl >= 16)
{
fillColor = Color.DeepSkyBlue;
}
if (rsl <= 15 && rsl >= 13)
{
fillColor = Color.Green;
}
if (rsl <= 12 && rsl >= 10)
{
fillColor = Color.LimeGreen;
}
if (rsl <= 9 && rsl >= 7)
{
fillColor = Color.Yellow;
}
if (rsl <= 6 && rsl >= 4)
{
fillColor = Color.Orange;
}
if (rsl <= 3 && rsl >= 1)
{
fillColor = Color.Red;
}
if (rsl == 0)
{
fillColor = Color.DarkRed;
}
if (selectedColors[fillColor])
{
colorSym.SetFillColor(fillColor);
}
else
{
continue;
}
colorCat.Symbolizer = colorSym;
// assign (default) selection symbolizer
colorCat.SelectionSymbolizer = catSelSym;
// done
rdScheme.AddCategory(colorCat);
}
}
if (moduleRoads.roadColors == "Treatment")
{
DataTable nameToTreatment = Database.GetDataByQuery(Project.conn, "SELECT name, category FROM treatments;");
string[] treatments = new string[30];
int j = 0;
foreach (DataRow row in nameToTreatment.Rows)
{
treatments[j] = row["name"].ToString();
if (row["category"].ToString() == "routine")
{
r[j] = 0;
}
g[j] = 0; b[j] = 255;
if (row["category"].ToString() == "patch")
{
r[j] = 50;
}
g[j] = 205; b[j] = 50;
if (row["category"].ToString() == "preventative")
{
r[j] = 255;
}
g[j] = 255; b[j] = 0;
if (row["category"].ToString() == "rehabilitation")
{
r[j] = 255;
}
g[j] = 0; b[j] = 0;
if (row["category"].ToString() == "reconstruction")
{
r[j] = 139;
}
g[j] = 0; b[j] = 0;
j++;
}
treatments[24] = "Routine"; r[24] = 0; g[24] = 0; b[24] = 255;
treatments[25] = "Patching"; r[25] = 50; g[25] = 205; b[25] = 50;
treatments[26] = "Preventative"; r[26] = 255; g[26] = 255; b[26] = 0;
treatments[27] = "Preventative with Patching"; r[27] = 255; g[27] = 165; b[27] = 0;
treatments[28] = "Rehabilitation"; r[28] = 255; g[28] = 0; b[28] = 0;
treatments[29] = "Reconstruction"; r[29] = 139; g[29] = 0; b[29] = 0;
for (int i = 0; i < treatments.Length; i++)
{
// TODO: Get this to work
Color fillColor = Color.Gray;
if (r[i] == 0 && g[i] == 0 && b[i] == 255)
{
fillColor = Color.Blue;
}
if (r[i] == 50 && g[i] == 205 && b[i] == 50)
{
fillColor = Color.LimeGreen;
}
if (r[i] == 255 && g[i] == 255 && b[i] == 0)
{
fillColor = Color.Yellow;
}
if (r[i] == 255 && g[i] == 165 && b[i] == 0)
{
fillColor = Color.Orange;
}
if (r[i] == 255 && g[i] == 0 && b[i] == 0)
{
fillColor = Color.Red;
}
if (r[i] == 139 && g[i] == 0 && b[i] == 0)
{
fillColor = Color.DarkRed;
}
if (!selectedColors[fillColor])
{
continue;
}
LineCategory colorCat = new LineCategory();
colorCat.FilterExpression = "[TAMSTREATMENT] = '" + treatments[i] + "'";
LineSymbolizer colorSym = new LineSymbolizer();
colorSym.ScaleMode = ScaleMode.Geographic;
colorSym.SetWidth(adjWidth);
colorSym.SetOutline(Color.DarkGray, adjOutlineWidth);
colorSym.SetFillColor(Color.FromArgb(r[i], g[i], b[i]));
colorCat.Symbolizer = colorSym;
// assign (default) selection symbolizer
colorCat.SelectionSymbolizer = catSelSym;
// done
rdScheme.AddCategory(colorCat);
}
}
}
((MapLineLayer)moduleRoads.Layer).ShowLabels = false;
FeatureLayer roadFeatures = moduleRoads.Layer as FeatureLayer;
if (!string.IsNullOrEmpty(Project.settings.GetValue("road_labels")))
{
string streetnames = "[" + Project.settings.GetValue(ModuleName + "_f_streetname") + "]";
roadFeatures.AddLabels(streetnames, new Font("Tahoma", (float)8.0), moduleRoads.labelColor);
roadFeatures.ShowLabels = Project.settings.GetValue("road_labels").Contains("true");
}
((MapLineLayer)moduleRoads.Layer).Symbology = rdScheme;
((MapLineLayer)moduleRoads.Layer).ApplyScheme(rdScheme);
}
private void MenuClick(object sender, EventArgs e)
{
using (FormContour frm = new FormContour())
{
frm.Layers = App.Map.GetRasterLayers();
if (frm.Layers.GetLength(0) <= 0)
{
MessageBox.Show(Resources.NoRasterLayerFound);
return;
}
if (frm.ShowDialog() != DialogResult.OK)
{
return;
}
IMapFeatureLayer fl = App.Map.Layers.Add(frm.Contours);
fl.LegendText = frm.LayerName + " - Contours";
int numlevs = frm.Lev.GetLength(0);
switch (frm.Contourtype)
{
case Contour.ContourType.Line:
{
LineScheme ls = new LineScheme();
ls.Categories.Clear();
for (int i = 0; i < frm.Color.GetLength(0); i++)
{
LineCategory lc = new LineCategory(frm.Color[i], 2.0)
{
FilterExpression = "[Value] = " + frm.Lev[i],
LegendText = frm.Lev[i].ToString(CultureInfo.InvariantCulture)
};
ls.AddCategory(lc);
}
fl.Symbology = ls;
}
break;
case Contour.ContourType.Polygon:
{
PolygonScheme ps = new PolygonScheme();
ps.Categories.Clear();
for (int i = 0; i < frm.Color.GetLength(0); i++)
{
PolygonCategory pc = new PolygonCategory(frm.Color[i], Color.Transparent, 0)
{
FilterExpression = "[Lev] = " + i,
LegendText = frm.Lev[i] + " - " + frm.Lev[i + 1]
};
ps.AddCategory(pc);
}
fl.Symbology = ps;
}
break;
}
}
}
private void SymbolizerLines(IMapFeatureLayer aLayer)
{
//Method 1. simple symbolizer
aLayer.Symbolizer = new LineSymbolizer(Color.Brown, 1);
//Method 2. Combined symbolizer
LineSymbolizer road = new LineSymbolizer(Color.Yellow, 5);
road.SetOutline(Color.Black, 1);
aLayer.Symbolizer = road;
/* Method 3. Symbology by unique values:
* HueSatLight = true, then the ramp is created by adjusting the
* hue, saturation and lightness between the start and end colors.
* HueSatLight = false, then the red, blue and green values are ramped instead.
*
* In both cases, alpha (transparency) is ramped the same way.
*/
LineScheme lScheme = new LineScheme();
lScheme.EditorSettings.ClassificationType = ClassificationType.UniqueValues;
lScheme.EditorSettings.FieldName = "CARTO";
lScheme.CreateCategories(aLayer.DataSet.DataTable);
aLayer.Symbology = lScheme;
//Method 4. Collapsible field name in legend via 'AppearsInLegend'
LineScheme lScheme1 = new LineScheme();
lScheme1.Categories.Clear(); //redundant???
LineCategory lowCat = new LineCategory(Color.Blue, 2);
lowCat.FilterExpression = "[CARTO] = 3";
lowCat.LegendText = "Low";
LineCategory highCat = new LineCategory(
Color.Red,
Color.Black,
6,
DashStyle.Solid,
LineCap.Triangle);;
highCat.FilterExpression = "[CARTO] = 2";
highCat.LegendText = "High";
lScheme1.AppearsInLegend = true;
lScheme1.LegendText = "CARTO";
lScheme1.Categories.Add(lowCat);
aLayer.Symbology = lScheme1;
lScheme1.Categories.Add(highCat);
/*Method 5. Lines with multiple strokes
* Each individual LineSymbolizer is made up of at least one,
* but potentially several strokes overlapping each other
*/
LineSymbolizer multiStrokeSym = new LineSymbolizer();
multiStrokeSym.Strokes.Clear(); //redundant???
CartographicStroke ties = new CartographicStroke(Color.Brown);
ties.DashPattern = new float[] { 1 / 6f, 2 / 6f };
ties.Width = 6;
ties.EndCap = LineCap.Flat;
ties.StartCap = LineCap.Flat;
CartographicStroke rails = new CartographicStroke(Color.DarkGray);
rails.CompoundArray = new float[] { .15f, .3f, .6f, .75f };
rails.Width = 6;
rails.EndCap = LineCap.Flat;
rails.StartCap = LineCap.Flat;
multiStrokeSym.Strokes.Add(ties);
multiStrokeSym.Strokes.Add(rails);
aLayer.Symbolizer = multiStrokeSym;
}
