classe_calculo-js.html
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<div id=Content><div class="CSection CTopic" id=MainTopic><h1 class=CTitle><a name="Cálculos"></a>Cálculos</h1><div class=CBody><h4 class=CHeading>Arquivo</h4><p class=CParagraph>i3geo/classesjs/classe_calculo.js</p><h4 class=CHeading>Licenca</h4><p class=CParagraph>GPL2</p><p class=CParagraph>I3Geo Interface Integrada de Ferramentas de Geoprocessamento para Internet</p><p class=CParagraph>Direitos Autorais Reservados © 2006 Ministério do Meio Ambiente Brasil Desenvolvedor: Edmar Moretti <a href="#" onClick="location.href='mai' + 'lto:' + 'edmar.' + 'moretti' + '@' + 'mma.g' + 'ov.br'; return false;" class=LEMail>edmar.<span style="display: none">.nosp@m.</span>moretti<span>@</span>mma.g<span style="display: none">.nosp@m.</span>ov.br</a></p><p class=CParagraph>Este programa é software livre; você pode redistribuí-lo e/ou modificá-lo sob os termos da Licença Pública Geral GNU conforme publicada pela Free Software Foundation; tanto a versão 2 da Licença. Este programa é distribuído na expectativa de que seja útil, porém, SEM NENHUMA GARANTIA; nem mesmo a garantia implícita de COMERCIABILIDADE OU ADEQUAÇÃO A UMA FINALIDADE ESPECÍFICA. Consulte a Licença Pública Geral do GNU para mais detalhes. Você deve ter recebido uma cópia da Licença Pública Geral do GNU junto com este programa; se não, escreva para a Free Software Foundation, Inc., no endereço 59 Temple Street, Suite 330, Boston, MA 02111-1307 USA.</p><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBody><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SMain"><td class=SEntry><a href="#Cálculos" >Cálculos</a></td><td class=SDescription>i3geo/classesjs/classe_calculo.js</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#Classe" >Classe</a></td><td class=SDescription></td></tr><tr class="SClasse SIndent2 SMarked"><td class=SEntry><a href="#i3GEO.calculo" >i3GEO.<span class=HB> </span>calculo</a></td><td class=SDescription>Utilitários para cálculos.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#dms2dd" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">dms2dd</a></td><td class=SDescription>Converte coordenadas formatadas em DMS para DD</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#dd2tela" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">dd2tela</a></td><td class=SDescription>Converte coordenadas dd em coordenadas de tela.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#dd2dms" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">dd2dms</a></td><td class=SDescription>Converte coordenadas de dd em dms.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#tela2dd" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">tela2dd</a></td><td class=SDescription>Converte o x,y de unidades de tela para décimo de grau.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#distancia" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">distancia</a></td><td class=SDescription>Calcula a distância em km entre dois pontos.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#direcao" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">direcao</a></td><td class=SDescription>Calcula a direção (0 a 360 graus) entre dois pontos.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#destinoDD" id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">destinoDD</a></td><td class=SDescription>Calcula as coordenadas de um novo ponto em função da posição de um ponto de origem, distância e direção</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#rect2ext" id=link8 onMouseOver="ShowTip(event, 'tt8', 'link8')" onMouseOut="HideTip('tt8')">rect2ext</a></td><td class=SDescription>Calcula a extensão geográfica de um retângulo desenhado sobre o mapa.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#ext2rect" id=link9 onMouseOver="ShowTip(event, 'tt9', 'link9')" onMouseOut="HideTip('tt9')">ext2rect</a></td><td class=SDescription>Calcula o posicionamento de um retângulo com base na extensão geográfica.</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div>
<div class="CGroup CTopic"><h3 class=CTitle><a name="Classe"></a>Classe</h3></div>
<div class="CClasse CTopic"><h3 class=CTitle><a name="i3GEO.calculo"></a>i3GEO.<span class=HB> </span>calculo</h3><div class=CBody><p class=CParagraph>Utilitários para cálculos.</p></div></div>
<div class="CGroup CTopic"><h3 class=CTitle><a name="Functions"></a>Functions</h3></div>
<div class="CFunction CTopic"><h3 class=CTitle><a name="dms2dd"></a>dms2dd</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>dms2dd: function(</td><td class=PParameter nowrap>cd,</td></tr><tr><td></td><td class=PParameter nowrap>cm,</td></tr><tr><td></td><td class=PParameter nowrap>cs</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Converte coordenadas formatadas em DMS para DD</p><h4 class=CHeading>Parametros</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>cd {Numeric}</td><td class=CDLDescription>grau (com sinal de - para sul e oeste)</td></tr><tr><td class=CDLEntry>cm {Numeric}</td><td class=CDLDescription>minuto</td></tr><tr><td class=CDLEntry>cs {Numeric}</td><td class=CDLDescription>segundo</td></tr></table><h4 class=CHeading>Return</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>{Numeric}</td><td class=CDLDescription>Coordenada em décimos de grau.</td></tr></table></div></div>
<div class="CFunction CTopic"><h3 class=CTitle><a name="dd2tela"></a>dd2tela</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>dd2tela: function (</td><td class=PParameter nowrap>vx,</td></tr><tr><td></td><td class=PParameter nowrap>vy,</td></tr><tr><td></td><td class=PParameter nowrap>docmapa,</td></tr><tr><td></td><td class=PParameter nowrap>ext,</td></tr><tr><td></td><td class=PParameter nowrap>cellsize</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Converte coordenadas dd em coordenadas de tela.</p><h4 class=CHeading>Parametros</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>vx {Numeric}</td><td class=CDLDescription>coordenada x.</td></tr><tr><td class=CDLEntry>vy {Numeric}</td><td class=CDLDescription>coordenada y.</td></tr><tr><td class=CDLEntry>docmapa</td><td class=CDLDescription>objeto DOM que contém o objeto imagem</td></tr><tr><td class=CDLEntry>ext {String}</td><td class=CDLDescription>(opcional) extensão geográfica (espaço como separador) xmin ymin xmax ymax</td></tr><tr><td class=CDLEntry>cellsize {Numeric}</td><td class=CDLDescription>(opcional) tamanho no terreno em DD de cada pixel da imagem</td></tr></table><h4 class=CHeading>Returns</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>{Array}</td><td class=CDLDescription>Array com o valor de x [0] e y [1]</td></tr></table></div></div>
<div class="CFunction CTopic"><h3 class=CTitle><a name="dd2dms"></a>dd2dms</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>dd2dms: function(</td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Converte coordenadas de dd em dms.</p><h4 class=CHeading>Parametros</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>x {Numeric}</td><td class=CDLDescription>coordenada x.</td></tr><tr><td class=CDLEntry>y {Numeric}</td><td class=CDLDescription>coordenada y.</td></tr></table><h4 class=CHeading>Returns</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>{Array}</td><td class=CDLDescription>Array com o valor de x [0] e y [1] no formato dd mm ss</td></tr></table></div></div>
<div class="CFunction CTopic"><h3 class=CTitle><a name="tela2dd"></a>tela2dd</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>tela2dd: function(</td><td class=PParameter nowrap>xfign,</td></tr><tr><td></td><td class=PParameter nowrap>yfign,</td></tr><tr><td></td><td class=PParameter nowrap>g_celula,</td></tr><tr><td></td><td class=PParameter nowrap>imgext</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Converte o x,y de unidades de tela para décimo de grau.</p><h4 class=CHeading>Parametros</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>xfign {Numeric}</td><td class=CDLDescription>x em valores de imagem.</td></tr><tr><td class=CDLEntry>yfign {Numeric}</td><td class=CDLDescription>y em coordenadas de imagem.</td></tr><tr><td class=CDLEntry>g_celula {Numeric}</td><td class=CDLDescription>tamanho no terreno do pixel da imagem em dd.</td></tr><tr><td class=CDLEntry>imgext {String}</td><td class=CDLDescription>extensão geográfica do mapa.</td></tr></table><h4 class=CHeading>Returns</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>{Array}</td><td class=CDLDescription>Coordena em dd x[0] e y[1].</td></tr></table></div></div>
<div class="CFunction CTopic"><h3 class=CTitle><a name="distancia"></a>distancia</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>distancia: function(</td><td class=PParameter nowrap>lon1,</td></tr><tr><td></td><td class=PParameter nowrap>lat1,</td></tr><tr><td></td><td class=PParameter nowrap>lon2,</td></tr><tr><td></td><td class=PParameter nowrap>lat2</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Calcula a distância em km entre dois pontos.</p><p class=CParagraph>Baseado no site <a href="http://www.movable-type.co.uk/scripts/latlong.html" class=LURL>http://www.movable-type.co.uk<span class=HB>- </span>/scripts<span class=HB>- </span>/latlong.html</a> (indicado por <a href="#" onClick="location.href='mai' + 'lto:' + 'lour' + 'iques' + '@' + 'yahoo.' + 'com.br'; return false;" class=LEMail>lour<span style="display: none">.nosp@m.</span>iques<span>@</span>yahoo.<span style="display: none">.nosp@m.</span>com.br</a>)</p><p class=CParagraph>Em versões anteriores utilizava-se o cálculo proposto em <a href="http://www.wcrl.ars.usda.gov/cec/java/lat-long.htm" class=LURL>http://www.wcrl.ars.usda.gov<span class=HB>- </span>/cec<span class=HB>- </span>/java<span class=HB>- </span>/lat-long.htm</a></p><h4 class=CHeading>Parametros</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>lon1 {Numeric}</td><td class=CDLDescription>x inicial.</td></tr><tr><td class=CDLEntry>lat1 {Numeric}</td><td class=CDLDescription>y inicial</td></tr><tr><td class=CDLEntry>lon2 {Numeric}</td><td class=CDLDescription>x final</td></tr><tr><td class=CDLEntry>lat2 {Numeric}</td><td class=CDLDescription>y final</td></tr></table><h4 class=CHeading>Return</h4><h4 class=CHeading>Type</h4><p class=CParagraph>{Numeric}</p></div></div>
<div class="CFunction CTopic"><h3 class=CTitle><a name="direcao"></a>direcao</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>direcao: function(</td><td class=PParameter nowrap>lon1,</td></tr><tr><td></td><td class=PParameter nowrap>lat1,</td></tr><tr><td></td><td class=PParameter nowrap>lon2,</td></tr><tr><td></td><td class=PParameter nowrap>lat2</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Calcula a direção (0 a 360 graus) entre dois pontos.</p><p class=CParagraph>Baseado no site <a href="http://www.movable-type.co.uk/scripts/latlong.html" class=LURL>http://www.movable-type.co.uk<span class=HB>- </span>/scripts<span class=HB>- </span>/latlong.html</a> (indicado por <a href="#" onClick="location.href='mai' + 'lto:' + 'lour' + 'iques' + '@' + 'yahoo.' + 'com.br'; return false;" class=LEMail>lour<span style="display: none">.nosp@m.</span>iques<span>@</span>yahoo.<span style="display: none">.nosp@m.</span>com.br</a>)</p><h4 class=CHeading>Parametros</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>lon1 {Numeric}</td><td class=CDLDescription>x inicial.</td></tr><tr><td class=CDLEntry>lat1 {Numeric}</td><td class=CDLDescription>y inicial</td></tr><tr><td class=CDLEntry>lon2 {Numeric}</td><td class=CDLDescription>x final</td></tr><tr><td class=CDLEntry>lat2 {Numeric}</td><td class=CDLDescription>y final</td></tr></table><h4 class=CHeading>Return</h4><p class=CParagraph>Ângulo em décimos de grau</p><h4 class=CHeading>Type</h4><p class=CParagraph>{Numeric}</p></div></div>
<div class="CFunction CTopic"><h3 class=CTitle><a name="destinoDD"></a>destinoDD</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>destinoDD: function(</td><td class=PParameter nowrap>lon,</td></tr><tr><td></td><td class=PParameter nowrap>lat,</td></tr><tr><td></td><td class=PParameter nowrap>d,</td></tr><tr><td></td><td class=PParameter nowrap>direcao</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Calcula as coordenadas de um novo ponto em função da posição de um ponto de origem, distância e direção</p><p class=CParagraph>O novo ponto é calculado em coordenadas geográficas em DD</p><p class=CParagraph>Baseado no site <a href="http://www.movable-type.co.uk/scripts/latlong.html" class=LURL>http://www.movable-type.co.uk<span class=HB>- </span>/scripts<span class=HB>- </span>/latlong.html</a> (indicado por <a href="#" onClick="location.href='mai' + 'lto:' + 'lour' + 'iques' + '@' + 'yahoo.' + 'com.br'; return false;" class=LEMail>lour<span style="display: none">.nosp@m.</span>iques<span>@</span>yahoo.<span style="display: none">.nosp@m.</span>com.br</a>)</p><h4 class=CHeading>Parametros</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>lon {Numeric}</td><td class=CDLDescription>longitude (x) do ponto de origem</td></tr><tr><td class=CDLEntry>lat {Numeric}</td><td class=CDLDescription>latitude do ponto de origem</td></tr><tr><td class=CDLEntry>d {Numeric}</td><td class=CDLDescription>distância em Km</td></tr><tr><td class=CDLEntry>direção {Numeric}</td><td class=CDLDescription>ângulo desejado em décimos de grau (direção de 0 a 360)</td></tr></table><h4 class=CHeading>Return</h4><p class=CParagraph>Array com a longitude e latitude em décimos de grau ([0] = longitude, [1] = latitude</p><h4 class=CHeading>Type</h4><p class=CParagraph>{Array}</p></div></div>
<div class="CFunction CTopic"><h3 class=CTitle><a name="rect2ext"></a>rect2ext</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>rect2ext: function(</td><td class=PParameter nowrap>idrect,</td></tr><tr><td></td><td class=PParameter nowrap>mapext,</td></tr><tr><td></td><td class=PParameter nowrap>pixel</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Calcula a extensão geográfica de um retângulo desenhado sobre o mapa.</p><h4 class=CHeading>Parametros</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>idrect</td><td class=CDLDescription>id do elemento html com o retangulo</td></tr><tr><td class=CDLEntry>mapext</td><td class=CDLDescription>extensao geografica do mapa onde está o retangulo</td></tr><tr><td class=CDLEntry>pixel</td><td class=CDLDescription>tamanho do pixel do mapa em dd</td></tr></table><h4 class=CHeading>return</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>{Array}</td><td class=CDLDescription>extensão, xmin, ymin, xmax, ymax</td></tr></table></div></div>
<div class="CFunction CTopic"><h3 class=CTitle><a name="ext2rect"></a>ext2rect</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>ext2rect: function(</td><td class=PParameter nowrap>idrect,</td></tr><tr><td></td><td class=PParameter nowrap>mapext,</td></tr><tr><td></td><td class=PParameter nowrap>boxext,</td></tr><tr><td></td><td class=PParameter nowrap>pixel,</td></tr><tr><td></td><td class=PParameter nowrap>documento</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p class=CParagraph>Calcula o posicionamento de um retângulo com base na extensão geográfica.</p><h4 class=CHeading>Parametros</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>idrect {String}</td><td class=CDLDescription>id do elemento html com o retangulo, pode ser vazio</td></tr><tr><td class=CDLEntry>mapext {String}</td><td class=CDLDescription>extensao geografica do mapa onde está o retangulo</td></tr><tr><td class=CDLEntry>boxext {String}</td><td class=CDLDescription>extensao geografica do retangulo</td></tr><tr><td class=CDLEntry>pixel {Number}</td><td class=CDLDescription>tamanho do pixel do mapa em dd</td></tr><tr><td class=CDLEntry>documento {Object DOM}</td><td class=CDLDescription>objeto sob o qual o retângulo será posicionado</td></tr></table><h4 class=CHeading>Return</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>{Array}</td><td class=CDLDescription>width,heigth,top,left</td></tr></table></div></div>
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<!--START_ND_TOOLTIPS-->
<div class=CToolTip id="tt1"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>dms2dd: function(</td><td class=PParameter nowrap>cd,</td></tr><tr><td></td><td class=PParameter nowrap>cm,</td></tr><tr><td></td><td class=PParameter nowrap>cs</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Converte coordenadas formatadas em DMS para DD</div></div><div class=CToolTip id="tt2"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>dd2tela: function (</td><td class=PParameter nowrap>vx,</td></tr><tr><td></td><td class=PParameter nowrap>vy,</td></tr><tr><td></td><td class=PParameter nowrap>docmapa,</td></tr><tr><td></td><td class=PParameter nowrap>ext,</td></tr><tr><td></td><td class=PParameter nowrap>cellsize</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Converte coordenadas dd em coordenadas de tela.</div></div><div class=CToolTip id="tt3"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>dd2dms: function(</td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Converte coordenadas de dd em dms.</div></div><div class=CToolTip id="tt4"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>tela2dd: function(</td><td class=PParameter nowrap>xfign,</td></tr><tr><td></td><td class=PParameter nowrap>yfign,</td></tr><tr><td></td><td class=PParameter nowrap>g_celula,</td></tr><tr><td></td><td class=PParameter nowrap>imgext</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Converte o x,y de unidades de tela para décimo de grau.</div></div><div class=CToolTip id="tt5"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>distancia: function(</td><td class=PParameter nowrap>lon1,</td></tr><tr><td></td><td class=PParameter nowrap>lat1,</td></tr><tr><td></td><td class=PParameter nowrap>lon2,</td></tr><tr><td></td><td class=PParameter nowrap>lat2</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Calcula a distância em km entre dois pontos.</div></div><div class=CToolTip id="tt6"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>direcao: function(</td><td class=PParameter nowrap>lon1,</td></tr><tr><td></td><td class=PParameter nowrap>lat1,</td></tr><tr><td></td><td class=PParameter nowrap>lon2,</td></tr><tr><td></td><td class=PParameter nowrap>lat2</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Calcula a direção (0 a 360 graus) entre dois pontos.</div></div><div class=CToolTip id="tt7"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>destinoDD: function(</td><td class=PParameter nowrap>lon,</td></tr><tr><td></td><td class=PParameter nowrap>lat,</td></tr><tr><td></td><td class=PParameter nowrap>d,</td></tr><tr><td></td><td class=PParameter nowrap>direcao</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Calcula as coordenadas de um novo ponto em função da posição de um ponto de origem, distância e direção</div></div><div class=CToolTip id="tt8"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>rect2ext: function(</td><td class=PParameter nowrap>idrect,</td></tr><tr><td></td><td class=PParameter nowrap>mapext,</td></tr><tr><td></td><td class=PParameter nowrap>pixel</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Calcula a extensão geográfica de um retângulo desenhado sobre o mapa.</div></div><div class=CToolTip id="tt9"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>ext2rect: function(</td><td class=PParameter nowrap>idrect,</td></tr><tr><td></td><td class=PParameter nowrap>mapext,</td></tr><tr><td></td><td class=PParameter nowrap>boxext,</td></tr><tr><td></td><td class=PParameter nowrap>pixel,</td></tr><tr><td></td><td class=PParameter nowrap>documento</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Calcula o posicionamento de um retângulo com base na extensão geográfica.</div></div><!--END_ND_TOOLTIPS-->
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