/// <summary>
///
/// </summary>
/// <param name="collection"></param>
/// <param name="mouselocation"></param>
/// <returns></returns>
private bool CheckIsMouseInFeatureCollection(FeatureCollection collection, Point mouselocation)
{
screen_rect = new System.Drawing.Rectangle(mouselocation.X - 2, mouselocation.Y - 2, 4, 4);
GisSmartTools.Geometry.Rectangle maprect_select = ToMapRect(screen_rect);
Filter_Envelop filter_edit_selected = new Filter_Envelop(maprect_select, editmanager.rstransform);
for (int i = 0; i < collection.featureList.Count; i++)
{
if (filter_edit_selected.Evaluate(collection.featureList[i]))
{
return(true);
}
}
return(false);
}
public void zoominbyrectangle(System.Drawing.Rectangle screenrect)
{
GisSmartTools.Geometry.Rectangle rect = ToMapRect(screenrect);
moffsetX = rect.minX;
moffsetY = rect.maxY;
double scale_x = (rect.maxX - rect.minX) / bitmap_X;
double scale_y = (rect.maxY - rect.minY) / bitmap_Y;
if (scale_x < scale_y)
{
DisplayScale = scale_y;
}
else
{
DisplayScale = scale_x;
}
RaiseDisplayScaleChanged(this);
}
/// <summary>
/// 该函数赋予显示参数的初值，同时可以用于显示全图的功能
/// </summary>
/// <param name="mapcontent"></param>
public void SetDefaultoffsetandDisplayScale(mapcontent mapcontent)
{
Geometry.Rectangle rect = mapcontent.GetRefernectRectangle();
if (rect.minX >= rect.maxX || rect.minY >= rect.maxY)
{
DisplayScale = 1;
moffsetX = 0;
moffsetY = 0;
return;
}
double scale_x = (rect.maxX - rect.minX) / bitmap_X;
double scale_y = (rect.maxY - rect.minY) / bitmap_Y;
if (scale_x < scale_y)
{
DisplayScale = scale_y;
}
else
{
DisplayScale = scale_x;
}
moffsetX = rect.minX;
moffsetY = rect.maxY;
}
private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
{
RSTransform rstransform = new RSTransform_WGS84_WEBMOCARTO();
switch (MapOption)
{
case MapOptionStatus.ZoomIn:
if ((screen_rect.Width <= 4 && screen_rect.Height <= 4))
{
PointD upPoint = new PointD(e.X, e.Y);
PointD sMapPoint = ToMapPoint(upPoint);
ZoomByCenter(sMapPoint, mcZoomRation);
mapcontrol_refresh();
}
else
{
zoominbyrectangle(screen_rect);
mapcontrol_refresh();
}
break;
case MapOptionStatus.Identify:
if (screen_rect.Width <= 4 && screen_rect.Height <= 4)
{
screen_rect = new System.Drawing.Rectangle(e.X - interval, e.Y - interval, 2 * interval, 2 * interval);
}
GisSmartTools.Geometry.Rectangle maprect = ToMapRect(screen_rect);
if (mapcontent.layerlist.Count == 0)
{
return;
}
if (focuslayer == null)
{
focuslayer = mapcontent.layerlist[0];
}
//获取坐标转换接口函数
Filter_Envelop filter = new Filter_Envelop(maprect, rstransform);
FeatureCollection collection = focuslayer.featuresource.GetFeatures(filter);
if (collection.featureList.Count != 0)
{
paintadditionalfeaturecollection(collection);
RaiseAfterSelectedFeaturesEvent(collection);
}
else
{
mapcontrol_refresh();
}
break;
case MapOptionStatus.Pan:
break;
case MapOptionStatus.Edit:
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
switch (editmanager.editstatus)
{
case EditStatus.editing:
editmanager.Addpoint(editmanager.rstransform.targetToSource(ToMapPoint(new PointD(e.X, e.Y))));
break;
case EditStatus.finished:
if (screen_rect.Width <= 4 && screen_rect.Height <= 4)
{
screen_rect = new System.Drawing.Rectangle(e.X - interval, e.Y - interval, 2 * interval, 2 * interval);
}
GisSmartTools.Geometry.Rectangle maprect_select_edit = ToMapRect(screen_rect);
Layer tmplayer = this.mapcontent.GetLayerByName(editmanager.layername);
if (tmplayer == null)
{
this.mapcontrol_refresh(); return;
}
//获取坐标转换接口函数
Filter_Envelop filter_select_edit = new Filter_Envelop(maprect_select_edit, rstransform);
editmanager.selectedFeatureCollection = tmplayer.featuresource.GetFeatures(filter_select_edit);
if (editmanager.selectedFeatureCollection.featureList.Count != 0)
{
paintadditionalfeaturecollection(editmanager.selectedFeatureCollection);
editmanager.editstatus = EditStatus.selected;
}
else
{
mapcontrol_refresh();
}
break;
}
}
break;
case MapOptionStatus.select:
if (screen_rect.Width <= 4 && screen_rect.Height <= 4)
{
screen_rect = new System.Drawing.Rectangle(e.X - interval, e.Y - interval, 2 * interval, 2 * interval);
}
GisSmartTools.Geometry.Rectangle maprect_select = ToMapRect(screen_rect);
if (mapcontent.layerlist.Count == 0)
{
return;
}
if (focuslayer == null)
{
focuslayer = mapcontent.layerlist[0];
}
//获取坐标转换接口函数
Filter_Envelop filter_select = new Filter_Envelop(maprect_select, rstransform);
FeatureCollection collection_select = focuslayer.featuresource.GetFeatures(filter_select);
if (collection_select.featureList.Count != 0)
{
paintadditionalfeaturecollection(collection_select);
}
else
{
mapcontrol_refresh();
}
break;
}
}