/// <summary>
/// Default constructor.
/// </summary>
public NMapProjectionsExample()
{
m_Projections = new NMapProjection[] {
new NAitoffProjection(),
new NBonneProjection(),
new NCylindricalEqualAreaProjection(ENCylindricalEqualAreaProjectionType.Lambert),
new NCylindricalEqualAreaProjection(ENCylindricalEqualAreaProjectionType.Behrmann),
new NCylindricalEqualAreaProjection(ENCylindricalEqualAreaProjectionType.TristanEdwards),
new NCylindricalEqualAreaProjection(ENCylindricalEqualAreaProjectionType.Peters),
new NCylindricalEqualAreaProjection(ENCylindricalEqualAreaProjectionType.Gall),
new NCylindricalEqualAreaProjection(ENCylindricalEqualAreaProjectionType.Balthasart),
new NEckertIVProjection(),
new NEckertVIProjection(),
new NEquirectangularProjection(),
new NHammerProjection(),
new NKavrayskiyVIIProjection(),
new NMercatorProjection(),
new NMillerCylindricalProjection(),
new NMollweideProjection(),
new NOrthographicProjection(),
new NRobinsonProjection(),
new NStereographicProjection(),
new NVanDerGrintenProjection(),
new NWagnerVIProjection(),
new NWinkelTripelProjection(),
};
}
private void OnProjectionComboSelectedIndexChanged(NValueChangeEventArgs arg)
{
NComboBox projectionCombo = (NComboBox)arg.TargetNode;
NMapProjection projection = (NMapProjection)projectionCombo.SelectedItem.Tag;
m_MapImporter.Projection = projection;
// Reimport the map applying the newly selected projection
if (m_MapImporter.Projection is NOrthographicProjection)
{
GetOwnerPairBox(m_CenterParalelNumericUpDown).Visibility = ENVisibility.Visible;
GetOwnerPairBox(m_CenterMeridianNumericUpDown).Visibility = ENVisibility.Visible;
NOrthographicProjection ortographicProjection = (NOrthographicProjection)m_MapImporter.Projection;
ortographicProjection.CenterPoint = new NPoint(m_CenterMeridianNumericUpDown.Value,
m_CenterParalelNumericUpDown.Value);
}
else if (m_MapImporter.Projection is NBonneProjection)
{
GetOwnerPairBox(m_CenterParalelNumericUpDown).Visibility = ENVisibility.Visible;
GetOwnerPairBox(m_CenterMeridianNumericUpDown).Visibility = ENVisibility.Hidden;
((NBonneProjection)m_MapImporter.Projection).StandardParallel = m_CenterParalelNumericUpDown.Value;
}
else
{
GetOwnerPairBox(m_CenterParalelNumericUpDown).Visibility = ENVisibility.Hidden;
GetOwnerPairBox(m_CenterMeridianNumericUpDown).Visibility = ENVisibility.Hidden;
}
ImportMap();
}
public void InitDocument(NDrawingDocument document, NMapProjection mapProjection)
{
document.Layers.RemoveAllChildren();
document.Style.StrokeStyle = new NStrokeStyle(1, Color.FromArgb(68, 90, 108));
document.Bounds = new NRectangleF(0, 0, 5000, 5000);
document.BackgroundStyle.FillStyle = new NColorFillStyle(Color.LightBlue);
NEsriMapImporter mapImporter = new NEsriMapImporter();
mapImporter.MapBounds = NMapBounds.World;
// Add the countries shape file
NEsriShapefile countries = new NEsriShapefile(HttpContext.Current.Server.MapPath(CountriesShapefileName));
countries.NameColumn = "NAME";
mapImporter.AddLayer(countries);
// Read the map data
mapImporter.Read();
mapImporter.Projection = mapProjection;
mapImporter.Parallels.ArcRenderMode = ArcRenderMode.Fine;
mapImporter.Meridians.ArcRenderMode = ArcRenderMode.Fine;
// Add a fill rule
countries.FillRule = new NMapFillRuleValue("ISO_NUM", MapColors);
// Import the map
mapImporter.Import(document, document.Bounds);
// Size the document to content
document.SizeToContent();
}
