資源簡介
GIS專業(yè) 數(shù)字地圖制圖課程實習(xí)成果 有完整界面：菜單欄、工具欄、圖形顯示窗口。
包括點狀符號、現(xiàn)狀符號、面狀符號的繪制
其中，點狀符號：空心圓、三角形、實心三角形、五角星、點圓等；線狀符號：土堤、長城、境界、鐵路、公路、短線；面狀符號：暈線、圓填充、點填充。
代碼片段和文件信息
#include?“StdAfx.h“
#include?“AbstractSymbol.h“
AbstractSymbol::AbstractSymbol（void）
{
this->Active=false;
this->PenColor=RGB（0125125）;
this->PenWidth=1;
this->pDrawPen=new?CPen（PS_SOLIDthis->PenWidth?this->PenColor）;
this->BrushColor=RGB（255255255）;
this->pBrush=new?CBrush（this->BrushColor）;
this->IsDrawed=false;
this->pDC=NULL;
}
AbstractSymbol::~AbstractSymbol（void）
{
delete?this->pDrawPen;
}
void?AbstractSymbol::SetSymbolProperty（map?propertyMap）
{
if（propertyMap.find（“pencolor“）!=propertyMap.end（））
{
this->PenColor=propertyMap[“pencolor“];
}
if（propertyMap.find（“brushcolor“）!=propertyMap.end（））
{
this->BrushColor=propertyMap[“brushcolor“];
}
if（propertyMap.find（“penwidth“）!=propertyMap.end（））
{
this->PenWidth=propertyMap[“penwidth“];
}
}
void?AbstractSymbol::OnLButtonDown（UINT?nFlags?CPoint?point）
{
}
void?AbstractSymbol::OnRButtonDown（UINT?nFlags?CPoint?point）
{
}
void?AbstractSymbol::OnLButtonUp（UINT?nFlags?CPoint?point）
{
}
void?AbstractSymbol::OnRButtonUp（UINT?nFlags?CPoint?point）
{
}
void?AbstractSymbol::onmousemove（UINT?nFlags?CPoint?point）
{
}
void?AbstractSymbol::SetDC（CDC?*pDC）
{
this->pDC=pDC;
}//判斷線段相交
bool?AbstractSymbol::LineIsIntersect（double?x0?double?y0?double?x1?double?y1?double?x2?double?y2?double?x3?double?y3）
{?//兩條線段是否相交X0X1?AND?X1X2
???double?x?y;
???double?Minx01?=?min（x0?x1）;
???double?Miny01?=?min（y0?y1）;
???double?Minx23?=?min（x2?x3）;
???double?Miny23?=?min（y2?y3）;
???double?Maxx01?=?max（x0?x1）;
???double?Maxy01?=?max（y0?y1）;
???double?Maxx23?=?max（x2?x3）;
???double?Maxy23?=?max（y2?y3）;
??
???if（x1!=x0?&&?x2!=x3）
???{
???????double?k1?=?（y1-y0）/（x1-x0）;
???????double?k2?=?（y3-y2）/（x3-x2）;
???????double?Den?=?（y1-y0）*（x3-x2）?-?（y3-y2）*（x1-x0）;
???????if（k1==k2）
???????{?//平行不相交
??????????double?d1?=?abs（int（y0*（x1-x0）-x0*（y1-y0）-y2*（x3-x2）+x2*（y3-y2）））;?//距離公式d?=?abs（c1-c2）?/?sqrt（a*a+b*b）
??????????if（d1==0）
??????????{//直線重合
?????????????if（（x2>Minx01?&&?x2Miny01?&&?y2Minx01?&&?x3Miny01?&&?y3Miny23?&&?y0Minx23?&&?x1Miny23?&&?y1
????????????????return?true;
?????????????}
?????????????else
?????????????{
????????????????return?false;
?????????????}
??????????}
??????????else
??????????{
?????????????return?false;
??????????}??
???????}
???????x?=?（（y2-y0）*（x1-x0）*（x3-x2）+（y1-y0）*（x3-x2）*x0-（y3-y2）*（x1-x0）*x2）/Den;
???????y?=?（（y1-y0）*（x-x0））/（x1-x0）?+?y0;
???????if（Minx01<=x?&&?x<=Maxx01?&&?Miny01<=y?&&?y<=Maxy01?&&?Minx23<=x?&&?x<=Maxx23?&&?Miny23<=y?&&?y<=Maxy23）
???????{
?????????/*?InterX?=?x;
??????????InterY?=?y;*/
??????????return?true;
???????}
???}
???else?if（x1==x0?&&?x2!=x3）
???{
???????x?=?x0;
???????y?=?（（y3-y2）*（x0-x2））/（x3-x2）?+?y2;
??????? ?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????371200??2011-12-14?21:02??符號繪制\MyMapSymbol\Debug\MyMapSymbol.exe
?????文件????3948588??2011-12-14?21:02??符號繪制\MyMapSymbol\Debug\MyMapSymbol.ilk
?????文件????6409216??2011-12-14?21:02??符號繪制\MyMapSymbol\Debug\MyMapSymbol.pdb
?????文件??????61952??2011-12-12?23:06??符號繪制\MyMapSymbol\Debug\MyTest.exe
?????文件?????421032??2011-12-12?23:06??符號繪制\MyMapSymbol\Debug\MyTest.ilk
?????文件?????732160??2011-12-12?23:06??符號繪制\MyMapSymbol\Debug\MyTest.pdb
?????文件????2359296??2011-12-14?19:10??符號繪制\MyMapSymbol\ipch\mytest-526a42c6\mytest-ca15672.ipch
?????文件???????3582??2011-12-13?14:01??符號繪制\MyMapSymbol\MyMapSymbol\AbstractSymbol.cpp
?????文件???????1328??2011-12-14?19:11??符號繪制\MyMapSymbol\MyMapSymbol\AbstractSymbol.h
?????文件???????2856??2011-12-13?15:38??符號繪制\MyMapSymbol\MyMapSymbol\AreaSymbol.cpp
?????文件????????977??2011-12-13?15:38??符號繪制\MyMapSymbol\MyMapSymbol\AreaSymbol.h
?????文件???????1892??2011-12-11?23:26??符號繪制\MyMapSymbol\MyMapSymbol\BankSymbol.cpp
?????文件????????249??2011-12-13?15:27??符號繪制\MyMapSymbol\MyMapSymbol\BankSymbol.h
?????文件???????1769??2011-12-12?17:19??符號繪制\MyMapSymbol\MyMapSymbol\BoundaryLineSymbol.cpp
?????文件????????238??2011-12-13?14:21??符號繪制\MyMapSymbol\MyMapSymbol\BoundaryLineSymbol.h
?????文件???????2329??2011-12-13?15:49??符號繪制\MyMapSymbol\MyMapSymbol\CircleAreaSymbol.cpp
?????文件????????349??2011-12-13?15:35??符號繪制\MyMapSymbol\MyMapSymbol\CircleAreaSymbol.h
?????文件????????904??2011-12-13?15:43??符號繪制\MyMapSymbol\MyMapSymbol\CircleSymbol.cpp
?????文件????????256??2011-12-13?14:37??符號繪制\MyMapSymbol\MyMapSymbol\CircleSymbol.h
?????文件?????247634??2011-12-14?19:11??符號繪制\MyMapSymbol\MyMapSymbol\Debug\AbstractSymbol.obj
?????文件?????384494??2011-12-14?19:12??符號繪制\MyMapSymbol\MyMapSymbol\Debug\AreaSymbol.obj
?????文件??????30472??2011-12-14?19:12??符號繪制\MyMapSymbol\MyMapSymbol\Debug\BankSymbol.obj
?????文件??????32070??2011-12-14?19:12??符號繪制\MyMapSymbol\MyMapSymbol\Debug\BoundaryLineSymbol.obj
?????文件?????191378??2011-12-14?21:02??符號繪制\MyMapSymbol\MyMapSymbol\Debug\CircleAreaSymbol.obj
?????文件?????277821??2011-12-14?21:02??符號繪制\MyMapSymbol\MyMapSymbol\Debug\CircleSymbol.obj
?????文件??????19658??2011-12-14?21:02??符號繪制\MyMapSymbol\MyMapSymbol\Debug\cl.command.1.tlog
?????文件?????153446??2011-12-14?21:02??符號繪制\MyMapSymbol\MyMapSymbol\Debug\CL.read.1.tlog
?????文件??????48064??2011-12-14?21:02??符號繪制\MyMapSymbol\MyMapSymbol\Debug\CL.write.1.tlog
?????文件??????34353??2011-12-14?19:12??符號繪制\MyMapSymbol\MyMapSymbol\Debug\GreatwallSymbol.obj
?????文件?????189814??2011-12-14?19:12??符號繪制\MyMapSymbol\MyMapSymbol\Debug\HachureSymbol.obj
............此處省略150個文件信息
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