原創(chuàng)|使用教程|編輯:郝浩|2013-04-10 15:28:10.000|閱讀 1266 次
概述:本文為大家展示用工控圖表控件ProEssentials創(chuàng)建的一個(gè)比較簡(jiǎn)單的Scientific Graph Control(科學(xué)圖表控件)。
# 界面/圖表報(bào)表/文檔/IDE等千款熱門軟控件火熱銷售中 >>
相關(guān)鏈接:
Scientific Graph Control類似于Graph控件,但它是以水平和垂直的雙坐標(biāo)軸來展示信息的。這個(gè)組件通常用于表現(xiàn)技術(shù)類型的信息,比如電子部件當(dāng)前的電壓與電流的關(guān)系。下面為大家展示用工控圖表控件ProEssentials創(chuàng)建的一個(gè)比較簡(jiǎn)單的Scientific Graph Control,如下圖:

Scientific Graph能處理各種格式化的date/time值,ProEssentials date/time能處理世紀(jì)到秒的時(shí)間。
void CPEView::CreateSimpleSGraph()
{
//! Right button click to show popup menu. //
//! Double Click to show customization dialog. //
//! Left-Click and drag to draw zoom box. Use popup memu or 'z' to undo zoom. //
// Simple example show the basics of a scientific graph object. //
// Scientific Graph's contain both YData and XData and thus data
// is not plotted equally spaced as the graph object does.
RECT rect;
GetClientRect( &rect );
m_hPE = PEcreate(PECONTROL_SGRAPH, WS_VISIBLE, &rect, m_hWnd, 1001);
if( m_hPE )
{
float fY;
float fX;
// Enable middle mouse dragging //
PEnset(m_hPE, PEP_bMOUSEDRAGGINGX, TRUE);
PEnset(m_hPE, PEP_bMOUSEDRAGGINGY, TRUE);
// Enable Bar Glass Effect //
PEnset(m_hPE, PEP_bBARGLASSEFFECT, TRUE);
// Enable Plotting style gradient and bevel features //
PEnset(m_hPE, PEP_nAREAGRADIENTSTYLE, PEPGS_RADIAL_BOTTOM_RIGHT);
PEnset(m_hPE, PEP_nAREABEVELSTYLE, PEBS_MEDIUM_SMOOTH);
PEnset(m_hPE, PEP_nSPLINEGRADIENTSTYLE, PEPGS_RADIAL_BOTTOM_RIGHT);
PEnset(m_hPE, PEP_nSPLINEBEVELSTYLE, PESBS_MEDIUM_SMOOTH);
// Set number of Subsets and Points //
PEnset(m_hPE, PEP_nSUBSETS, 4);
PEnset(m_hPE, PEP_nPOINTS, 12);
for( int s=0; s<=3; s++ )
{
for( int p=0; p<=11; p++ )
{
fX = ((float) (p+1)) * 100.0F + ((float) GetRandom(2, 250)) / 50.0F;
PEvsetcellEx (m_hPE, PEP_faXDATA, s, p, &fX);
fY = ((float) (p+1) * 1.0F) + GetRandom(1, 250) + 700.0F - ((float) (s * 140.0F)) + ((float) GetRandom(2, 250)) / 250.0F;
PEvsetcellEx (m_hPE, PEP_faYDATA, s, p, &fY);
}
}
// Set DataShadows to show shadows
PEnset(m_hPE, PEP_nDATASHADOWS, PEDS_SHADOWS);
PEszset(m_hPE, PEP_szMAINTITLE, TEXT("Example Data"));
PEszset(m_hPE, PEP_szSUBTITLE, TEXT("")); // no subtitle
PEszset(m_hPE, PEP_szYAXISLABEL, TEXT("Units Sold"));
PEszset(m_hPE, PEP_szXAXISLABEL, TEXT("Month"));
PEnset(m_hPE, PEP_bFOCALRECT, FALSE);
PEnset(m_hPE, PEP_bPREPAREIMAGES, TRUE);
PEnset(m_hPE, PEP_bCACHEBMP, TRUE);
PEnset(m_hPE, PEP_nPLOTTINGMETHOD, PEGPM_SPLINE);
PEnset(m_hPE, PEP_nGRIDLINECONTROL, PEGLC_BOTH);
PEnset(m_hPE, PEP_nGRIDSTYLE, PEGS_DOT);
PEnset(m_hPE, PEP_nALLOWZOOMING, PEAZ_HORZANDVERT);
PEnset(m_hPE, PEP_nZOOMSTYLE, PEZS_RO2_NOT);
// subset labels
PEvsetcell( m_hPE, PEP_szaSUBSETLABELS, 0, TEXT("Texas"));
PEvsetcell( m_hPE, PEP_szaSUBSETLABELS, 1, TEXT("Florida" ));
PEvsetcell( m_hPE, PEP_szaSUBSETLABELS, 2, TEXT("Washington" ));
PEvsetcell( m_hPE, PEP_szaSUBSETLABELS, 3, TEXT("California" ));
// subset colors
DWORD dwArray[4] = { PERGB(128,198,0,0), PERGB(128, 0, 198, 198 ), PERGB(128, 198,198,0 ), PERGB(128, 0,198,0 ) };
PEvsetEx( m_hPE, PEP_dwaSUBSETCOLORS, 0, 4, dwArray, 0 );
// subset line types
int nLineTypes[] = { PELT_MEDIUMSOLID, PELT_MEDIUMSOLID, PELT_MEDIUMSOLID, PELT_MEDIUMSOLID };
PEvset(m_hPE, PEP_naSUBSETLINETYPES, nLineTypes, 4);
// subset point types
int nPointTypes[] = { PEPT_DOTSOLID, PEPT_UPTRIANGLESOLID, PEPT_SQUARESOLID, PEPT_DOWNTRIANGLESOLID };
PEvset(m_hPE, PEP_naSUBSETPOINTTYPES, nPointTypes, 4);
// Version 4.0 Features //
PEnset(m_hPE, PEP_bFIXEDFONTS, TRUE);
PEnset(m_hPE, PEP_bSIMPLEPOINTLEGEND, TRUE);
PEnset(m_hPE, PEP_bSIMPLELINELEGEND, TRUE);
PEnset(m_hPE, PEP_nLEGENDSTYLE, PELS_1_LINE);
PEnset(m_hPE, PEP_nMULTIAXISSTYLE, PEMAS_SEPARATE_AXES);
// Set Various Other Properties //
PEnset(m_hPE, PEP_bBITMAPGRADIENTMODE, TRUE);
PEnset(m_hPE, PEP_nQUICKSTYLE, PEQS_MEDIUM_NO_BORDER);
PEnset(m_hPE, PEP_nGRADIENTBARS, 8);
PEnset(m_hPE, PEP_nTEXTSHADOWS, PETS_BOLD_TEXT);
PEnset(m_hPE, PEP_bMAINTITLEBOLD, TRUE);
PEnset(m_hPE, PEP_bSUBTITLEBOLD, TRUE);
PEnset(m_hPE, PEP_bLABELBOLD, TRUE);
PEnset(m_hPE, PEP_bLINESHADOWS, TRUE);
PEnset(m_hPE, PEP_nFONTSIZE, PEFS_LARGE);
PEnset(m_hPE, PEP_bSCROLLINGHORZZOOM, TRUE);
PEnset(m_hPE, PEP_nDATAPRECISION, 1);
// Improves metafile export //
PEnset(m_hPE, PEP_nDPIX, 600);
PEnset(m_hPE, PEP_nDPIY, 600);
// Set Demo's RenderEngine to Gdi Plus //
CMDIFrameWnd* pWnd = (CMDIFrameWnd*) AfxGetApp()->GetMainWnd();
pWnd->SendMessage(WM_CHANGE_METAFILE, PEPLAYMETAFILEGDIPLUS );
}
}
//***************************************************************************
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