public static double PixelToProj(this AxMap map, int pixel)
{
double h1, w1, h2, w2;
h1 = h2 = w1 = w2 = 0.0;
map.PixelToProj(0, 0, ref w1, ref h1);
map.PixelToProj(0, -pixel, ref w2, ref h2);
return(Math.Abs(h1 - h2));
}
/// <summary>
/// processes selection made using a mouse drag selection box
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnMapSelectBoxFinal(object sender, _DMapEvents_SelectBoxFinalEvent e)
{
if (EnableMapInteraction && _axMap.CursorMode == tkCursorMode.cmSelection)
{
var extL = 0D;
var extR = 0D;
var extT = 0D;
var extB = 0D;
Extents selectionBoxExtent = new Extents();
_axMap.PixelToProj(e.left, e.top, ref extL, ref extT);
_axMap.PixelToProj(e.right, e.bottom, ref extR, ref extB);
selectionBoxExtent.SetBounds(extL, extB, 0, extR, extT, 0);
Select(selectionBoxExtent, selectionFromSelectBox: true);
}
}
public static double PointTolerance(this AxMap map, ShapeDrawingOptions opt, ShpfileType shpType)
{
switch (shpType)
{
case ShpfileType.SHP_POINT:
double w = 0.0, h = 0.0, w1 = 0.0, h1 = 0.0;
var img = opt.Picture;
map.PixelToProj(0, 0, ref w, ref h);
map.PixelToProj(img != null ? img.Width : opt.PointSize, img != null ? img.Height : opt.PointSize,
ref w1, ref h1);
return((Math.Abs(w1 - w) + Math.Abs(h1 - h)) / 2.0);
default:
return(0.0);
}
}
private void OnMapMouseMove(object sender, _DMapEvents_MouseMoveEvent e)
{
double utmX = 0, utmY = 0;
_mapControl.PixelToProj(e.x, e.y, ref utmX, ref utmY);
var g25Coord = FishingGrid.utmCoordinatesToGrid25(utmX, utmY, _majorGrid.UTMZone);
txtCoord.Text = $"UTM: {_utmZone} {utmX.ToString("N0")}, {utmY.ToString("N0")}\r\nGrid25: {g25Coord.grid25Name}";
}
/// <summary>
/// define the extent of the template shapedfile and pass the extent to the function
/// that will create the individual tiles (polygon shapes) comprising the template
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnMapSelectBoxFinal(object sender, _DMapEvents_SelectBoxFinalEvent e)
{
if (_axMap.CursorMode == tkCursorMode.cmSelection && _axMap.UDCursorHandle == _hCursorDefineLayout)
{
var extL = 0D;
var extR = 0D;
var extT = 0D;
var extB = 0D;
_axMap.PixelToProj(e.left, e.top, ref extL, ref extT);
_axMap.PixelToProj(e.right, e.bottom, ref extR, ref extB);
_layoutExtents = new Extents();
_layoutExtents.SetBounds(
(int)(extL / 2000) * 2000,
(int)(extB / 2000) * 2000,
0,
(int)(extR / 2000) * 2000,
(int)(extT / 2000) * 2000,
0);
//modify layout extents using the function called
_layoutExtents = IntersectSelectionBoxWithMajorGridSelection();
if (_layoutExtents != null && LayerCreated != null)
{
Grid25LayoutHelperEventArgs lhe = new Grid25LayoutHelperEventArgs(_layoutExtents);
LayerCreated(this, lhe);
SetupLayout(lhe.Rows, lhe.Columns, lhe.Overlap);
}
else if (_layoutExtents == null)
{
if (LayerCreated != null)
{
Grid25LayoutHelperEventArgs gle = new Grid25LayoutHelperEventArgs(nullLayout: true);
LayerCreated(this, gle);
}
}
LayoutTemplateFromFile = false;
}
}