夢想CAD控件關於比較問題
阿新 • • 發佈：2019-05-14
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全圖比較
怎麽比較兩個CAD圖紙文件修改前後的不同部分呢？在工程圖紙設計中，我們更多情況下可能需要對同一張工程圖的前後修改部分進行對比，以確定工程圖紙的改動部分及追溯原因，本教程演示了幾種常見的比較方法。
實現圖紙比較功能，首先將兩個控件放入網頁中，js代碼如下：
<p align="center">
<object classid="clsid:74A777F8-7A8F-4e7c-AF47-7074828086E2" id="MxDrawXCtrl1" codebase="http://www.mxdraw.com/MxDrawX52.CAB#version=7.0.0.1" width=48% height=85% align="left">
<param name="_Version" value="65536">
<param name="_ExtentX" value="24262">
<param name="_ExtentY" value="16219">
<param name="_StockProps" value="0">
<param name="IsRuningAtIE" value="1">
<param name="EnablePrintCmd" value="1">
<param name="ShowStatusBar" value="1">
<param name="ShowMenuBar" value="1">
<param name="ShowToolBars" value="1">
<param name="ShowCommandWindow" value="1">
<param name="ShowModelBar" value="1">
<param name="Iniset" value="AutoActive=N,LoadMrx=PropertyEditor">
<param name="ToolBarFiles" value="MxDraw-ToolBar.mxt,MxDraw-ToolBar-DrawParam.mxt,MxDraw-ToolBar-Draw.mxt,MxDraw-ToolBar-Edit.mxt">
<SPAN STYLE="color:red">不能裝載CAD控件。請確認你可以連接網絡或者檢查瀏覽器的選項中安全設置。<a href="http://www.mxdraw.com/MxDrawX52.msi">http://www.mxdraw.com/MxDrawX52.msi 安載CAD控件</a></SPAN>
</object>
<object classid="clsid:74A777F8-7A8F-4e7c-AF47-7074828086E2" id="MxDrawXCtrl2" codebase="http://www.mxdraw.com/MxDrawX52.CAB#version=7.0.0.1"width=48% height=85% align="right">
<param name="_Version" value="65536">
<param name="_ExtentX" value="24262">
<param name="_ExtentY" value="16219">
<param name="_StockProps" value="0">
<param name="IsRuningAtIE" value="1">
<param name="EnablePrintCmd" value="1">
<param name="ShowStatusBar" value="1">
<param name="ShowMenuBar" value="1">
<param name="ShowToolBars" value="1">
<param name="ShowCommandWindow" value="1">
<param name="ShowModelBar" value="1">
<param name="Iniset" value="AutoActive=N,LoadMrx=PropertyEditor">
<param name="ToolBarFiles" value="MxDraw-ToolBar.mxt,MxDraw-ToolBar-DrawParam.mxt,MxDraw-ToolBar-Draw.mxt,MxDraw-ToolBar-Edit.mxt">
<SPAN STYLE="color:red">不能裝載CAD控件。請確認你可以連接網絡或者檢查瀏覽器的選項中安全設置。<a href="http://www.mxdraw.com/MxDrawX52.msi">http://www.mxdraw.com/MxDrawX52.msi 安載CAD控件</a></SPAN>
</object>
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首先通過id得到兩個控件，返回控件的數據庫對象，把兩個控件裏面不同的內容標記出來，具體實現js代碼如下：
function AllCompare() {
var ocx1 = document.getElementById("MxDrawXCtrl1");
var ocx2 = document.getElementById("MxDrawXCtrl2");
var database1 = ocx1.GetDatabase();
var database2 = ocx2.GetDatabase();
var filter = ocx1.NewResbuf();
var compare1 = ocx1.NewComObject("IMxDrawCompare");
//開始比較
//參數一為比較時使用的原始文件 參數二為修改後的，新的文件 參數三為過濾條件
compare1.Do(database1, database2, filter);
//返回比較後，被修改的曲線id
var aryDifferent1 = compare1.GetCurveIdsOfTheDifferent();
//把修改的地方，標記出來
//參數一為縮放比例
//參數二為當前圖紙，是新修改的圖紙，該變量為true,那麽在原圖不能找到的對象，為新增加對象
compare1.DrawFlag(1.0,false);
// 反過來比較一下，用來確定，那些對象是新增加的。
var compare2 = ocx1.NewComObject("IMxDrawCompare");
compare2.Do(database2, database1, filter);
var aryDifferent2 = compare2.GetCurveIdsOfTheDifferent();
compare2.DrawFlag(1.0,true);
var iErase = 0;
var iModify = 0;
var iAdd = 0;
for (var i = 0;i < aryDifferent1.Count; i++)
{
//返回鏈表中的指定位置的對象id
var lId = aryDifferent1.AtObjectId(i);
//返回比較後，被修改的曲線的位置。用於圖上標記被修改的對象
if(compare1.GetIsErase(lId))
{
iErase = iErase + 1;
}
else
{
iModify = iModify +1;
}
}
for(var i = 0; i < aryDifferent2.Count;i++)
{
var lId = aryDifferent2.AtObjectId(i);
if(compare2.GetIsErase(lId))
{
iAdd = iAdd + 1;
}
}
var modfColor = ocx1.NewComObject("IMxDrawModifyTheColor");
modfColor.Do(ocx1.GetDatabase(),3289650);
//把指定實體顏色
modfColor.DoEntity(aryDifferent1,255);
alert(iModify + "對象修改," + iErase + "對象刪除," + iAdd + "對象被增加");
}
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選擇範圍比較
首先通過id得到兩個控件，返回控件的數據庫對象，把兩個控件裏面不同的內容標記出來，具體實現js代碼如下：
function DoImpCompare(points, filter) {
var ocx1 = document.getElementById("MxDrawXCtrl1");
var ocx2 = document.getElementById("MxDrawXCtrl2");
var database1 = ocx1.GetDatabase();
var database2 = ocx2.GetDatabase();
var compare1 = ocx1.NewComObject("IMxDrawCompare");
compare1.Bound = points;
compare1.Do(database1, database2, filter);
var aryDifferent1 = compare1.GetCurveIdsOfTheDifferent();
compare1.DrawFlag(1.0, false);
// 反過來比較一下，用來確定，那些對象是新增加的。
var compare2 = ocx1.NewComObject("IMxDrawCompare");
compare2.Bound = points;
compare2.Do(database2, database1, filter);
var aryDifferent2 = compare2.GetCurveIdsOfTheDifferent();
compare2.DrawFlag(1.0, true);
var iErase = 0;
var iModify = 0;
var iAdd = 0;
for (var i = 0; i < aryDifferent1.Count; i++) {
var lId = aryDifferent1.AtObjectId(i);
if (compare1.GetIsErase(lId)) {
iErase = iErase + 1;
}
else {
iModify = iModify + 1;
}
}
for (var i = 0; i < aryDifferent2.Count; i++) {
var lId = aryDifferent2.AtObjectId(i);
if (compare2.GetIsErase(lId)) {
iAdd = iAdd + 1;
}
}
alert(iModify + "對象修改," + iErase + "對象刪除," + iAdd + "對象被增加");
}
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用戶可以選取範圍內的圖紙作比較，具體實現js代碼如下：
function BoundCompare() {
var ocx1 = document.getElementById("MxDrawXCtrl1");
var getPt = ocx1.NewComObject("IMxDrawUiPrPoint");
getPt.message = "點取第一點";
if(getPt.go() != 1)
return;
var frstPt = getPt.value();
var getCorner = ocx1.NewUtility();
var secondPt = getCorner.GetCorner(frstPt,"點取第二點:");
if(secondPt == null)
return;
var points = ocx1.NewComObject("IMxDrawPoints");
points.Add2(frstPt);
points.Add2(secondPt);
var filter = ocx1.NewResbuf();
DoImpCompare( points, filter);
}
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選擇圓形範圍比較
通過圓形範圍把兩個控件裏面不同的內容標記出來，首先需要動態畫一個圓，具體實現js代碼如下：
function DoDynWorldDrawFun(dX, dY, pWorldDraw, pData) {
var sGuid = pData.Guid;
var ocx1 = document.getElementById("MxDrawXCtrl1");
ocx1.SetEventRet(0);
if (sGuid == "DrawCircle") {
var pt1 = pData.GetPoint("pt1");
if (pt1 == null)
return;
var pt2 = ocx1.NewPoint();
pt2.x = dX;
pt2.y = dY;
var dR = pt1.DistanceTo(pt2);
pWorldDraw.DrawCircle(pt1.x, pt1.y, dR);
}
}
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用戶可以選取圓形範圍內的圖紙作比較，具體實現js代碼如下：
function CircleCompare() {
var mxOcx = document.getElementById("MxDrawXCtrl1");
var getPt1 = mxOcx.NewComObject("IMxDrawUiPrPoint");
getPt1.message = "指定圓心";
if (getPt1.go() != 1) {
return;
}
var getPt2 = mxOcx.NewComObject("IMxDrawUiPrPoint");
getPt2.message = "指定圓上一點";
getPt2.basePoint = getPt1.value();
var spDrawData = getPt2.InitUserDraw("DrawCircle");
spDrawData.SetPoint("pt1", getPt1.value());
getPt2.setUseBasePt(true);
if (getPt2.go() != 1) {
return;
}
var cen = getPt1.value();
var pt2 = getPt2.value();
var dR = cen.DistanceTo(pt2);
var circle = mxOcx.NewEntity("IMxDrawCircle");
circle.Center = cen;
circle.Radius = dR;
var points = circle.GetSamplePoints(0.1);
if (points.Count < 3) {
alert("圓太小");
}
var filter = mxOcx.NewResbuf();
DoImpCompare(points, filter);
}
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夢想CAD控件關於比較問題