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/** |
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* |
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* @project CWC2 |
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* @revision $Id: cwc_roi.js,v 1.27 2005/05/16 11:32:53 bartvde Exp $ |
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* @purpose The ROI Manager - a group of functions for managing |
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* regions of interest and the tools that define them. |
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* @author DM Solutions Group (spencer@dmsolutions.ca) |
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* @copyright |
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* <b>Copyright (c) 2002, DM Solutions Group Inc.</b> |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included |
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* in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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*/ |
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|
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|
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var CWCIsNav4 = (document.layers) ? 1:0; |
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|
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var CWCIsIE = (document.all) ? 1:0; |
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var CWCIsNav6 = (document.getElementById && !document.all) ? 1:0; |
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|
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if (CWCIsNav4 || CWCIsNav6) |
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{ |
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document.captureEvents(Event.MOUSEMOVE); |
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document.captureEvents(Event.MOUSEDOWN); |
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document.captureEvents(Event.MOUSEUP); |
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document.captureEvents(Event.RESIZE); |
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document.captureEvents(Event.KEYPRESS); |
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} |
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|
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var ROI_MODE_FIRST = 1; |
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var ROI_MODE_NORMAL = ROI_MODE_FIRST; |
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var ROI_MODE_ADD = ROI_MODE_NORMAL + 1; |
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var ROI_MODE_SUBTRACT = ROI_MODE_ADD + 1; |
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var ROI_MODE_LAST = ROI_MODE_SUBTRACT; |
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|
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/* |
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* ROI Events |
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*/ |
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var ROI_CHANGED = 0; |
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|
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var goCWCROIManager = new CWCROIManager(); |
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|
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/* |
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* The ROI Manager |
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*/ |
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function CWCROIManager() |
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{ |
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this.aROI = new Array(); |
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this.nActiveROITool = 0; |
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this.oForm = null; |
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|
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this.mode = ROI_MODE_NORMAL; |
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this.szRendererURL = ""; |
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|
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this.geoMinX = null; |
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this.geoMinY = null; |
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this.geoMaxX = null; |
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this.geoMaxY = null; |
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|
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this.pixMinX = null; |
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this.pixMinY = null; |
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this.pixMaxX = null; |
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this.pixMaxY = null; |
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|
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this.szEdgeColor = "#00FF00"; |
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this.nEdgeWidth = 2; |
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|
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this.szFillColor = this.szEdgeColor; |
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this.nFillOpacity = 0.5; |
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this.bFill = true; |
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|
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this.onchange = new Array(); |
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this.events = new Array(); |
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this.events[ROI_CHANGED] = new Array(); |
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|
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this.SetFormObject = CWCROIManager_SetFormObject; |
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this.Add = CWCROIManager_Add; |
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this.Insert = CWCROIManager_Insert; |
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this.Redraw = CWCROIManager_Redraw; |
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this.GetLast = CWCROIManager_GetLast; |
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this.RemoveLast = CWCROIManager_RemoveLast; |
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this.RemoveAll = CWCROIManager_RemoveAll; |
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this.SetROITool = CWCROIManager_SetROITool; |
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this.GetROITool = CWCROIManager_GetROITool; |
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this.SetGeoExtents = CWCROIManager_SetGeoExtents; |
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this.SetPixelExtents = CWCROIManager_SetPixelExtents; |
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this.SetMode = CWCROIManager_SetMode; |
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this.SetRendererURL = CWCROIManager_SetRendererURL; |
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this.GetRendererURL = CWCROIManager_GetRendererURL; |
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this.GetROI = CWCROIManager_GetROI; |
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this.Geo2Pix = CWCROIManager_Geo2Pix; |
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this.Pix2Geo = CWCROIManager_Pix2Geo; |
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this.UpdateLayerVisibility = CWCROIManager_UpdateLayerVisibility; |
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this.RegisterEvent = CWCROIManager_RegisterEvent; |
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this.DeregisterEvent = CWCROIManager_RegisterEvent; |
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this.TriggerEvent = CWCROIManager_TriggerEvent; |
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} |
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|
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function CWCROIManager_UpdateLayerVisibility() |
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{ |
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if (this.aROI.length > 0) |
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{ |
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//window.status = "show layer"; |
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CWCDHTML_ShowLayer( gROIRenderer ); |
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} |
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else |
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CWCDHTML_HideLayer( gROIRenderer ); |
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} |
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|
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|
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function CWCROIManager_GetROI() |
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{ |
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return aROI; |
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} |
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|
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function CWCROIManager_SetRendererURL( szURL ) |
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{ |
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this.szRendererURL = szURL; |
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} |
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|
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function CWCROIManager_GetRendererURL() |
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{ |
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var szURL = this.szRendererURL + "&blah=" + Math.random(); |
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szURL = szURL + "&width=" + (this.pixMaxX - this.pixMinX); |
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szURL = szURL + "&height=" + (this.pixMaxY - this.pixMinY); |
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return szURL; |
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} |
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|
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function CWCROIManager_SetMode( nMode ) |
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{ |
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if (nMode >= ROI_MODE_FIRST && nMode <= ROI_MODE_LAST) |
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{ |
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this.mode = nMode; |
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} |
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|
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if (this.oForm.ROI_MODE) |
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{ |
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this.oForm.ROI_MODE.value = this.mode; |
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} |
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} |
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|
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function CWCROIManager_SetGeoExtents( fMinX, fMinY, fMaxX, fMaxY ) |
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{ |
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this.geoMinX = parseFloat( fMinX ); |
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this.geoMinY = parseFloat( fMinY ); |
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this.geoMaxX = parseFloat( fMaxX ); |
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this.geoMaxY = parseFloat( fMaxY ); |
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} |
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|
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function CWCROIManager_SetPixelExtents( nMinX, nMinY, nMaxX, nMaxY ) |
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{ |
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this.pixMinX = parseInt( nMinX ); |
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this.pixMinY = parseInt( nMinY ); |
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this.pixMaxX = parseInt( nMaxX ); |
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this.pixMaxY = parseInt( nMaxY ); |
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} |
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|
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function CWCROIManager_SetFormObject( oObj ) |
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{ |
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this.oForm = oObj; |
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} |
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|
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function CWCROIManager_RegisterEvent( event, szCode ) |
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{ |
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lastEvent = (this.events[event]).length; |
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this.events[ event ][ lastEvent ] = szCode; |
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return true; |
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} |
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|
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function CWCROIManager_DeregisterEvent( event, szCode ) |
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{ |
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bFound = false |
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events = this.events[event]; |
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for( i=0; i<events.length; i++ ) |
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{ |
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if (this.events[i] == szCode ) |
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{ |
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this.events[i] = ""; |
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bFound = true; |
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} |
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} |
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return bFound; |
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} |
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|
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function CWCROIManager_TriggerEvent( event ) |
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{ |
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var i = 0; |
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var nEvents = (this.events[ event ]).length; |
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for (i=0; i<nEvents; i++) |
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{ |
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szFunction = this.events[ event ][ i ]; |
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if (szFunction != "") |
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{ |
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eval(szFunction); |
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} |
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} |
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return true; |
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} |
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|
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function CWCROIManager_Add( oROI ) |
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{ |
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oROI.manager = this; |
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oROI.mode = this.mode; |
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|
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var szURL = oROI.GetRendererURL(); |
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if (szURL == false) |
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{ |
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return false; |
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} |
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if (this.mode == ROI_MODE_NORMAL) |
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{ |
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this.RemoveAll(); |
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this.aROI[0] = oROI; |
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} |
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else |
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{ |
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this.aROI[this.aROI.length] = oROI; |
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} |
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if (this.oForm.ROI_MODE) |
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{ |
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var oImage = CWCDHTML_GetImage( "ROIRenderer" ); |
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oImage.src = szURL; |
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} |
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|
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this.UpdateLayerVisibility(); |
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this.TriggerEvent( ROI_CHANGED ); |
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} |
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|
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/** |
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* This function will redraw the ROI's according to current extent and info. |
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* It is used for when things like extent or projection changes in a mapfile. |
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**/ |
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function CWCROIManager_Redraw() |
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{ |
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var szURL = this.GetRendererURL(); |
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if (szURL == false) |
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{ |
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return false; |
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} |
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var oImage = CWCDHTML_GetImage( "ROIRenderer" ); |
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oImage.src = szURL; |
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|
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this.UpdateLayerVisibility(); |
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} |
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|
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/** |
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* utility function to quickly insert an ROI object into the |
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* manager, used when reconstituting the objects after a |
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* page load. This function does not do any error checking |
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* or validation of indexes. |
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* |
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* @param oROI an object to insert into the manager |
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* @param nIndex the index to insert the object at |
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*/ |
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function CWCROIManager_Insert( oROI, nIndex ) |
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{ |
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oROI.manager = this; |
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oROI.mode = this.mode; |
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|
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this.aROI[nIndex] = oROI; |
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} |
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|
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|
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function CWCROIManager_GetLast( ) |
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{ |
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if (this.aROI.length > 0) |
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return this.aROI[this.aROI.length - 1]; |
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else |
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return null; |
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} |
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|
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function CWCROIManager_RemoveLast() |
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{ |
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var newROI = new Array(); |
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var i; |
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if (this.aROI.length > 0) |
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{ |
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for (i=0; i < this.aROI.length - 1; i++) |
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{ |
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newROI[i] = this.aROI[i]; |
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} |
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this.aROI[this.aROI.length - 1].Hide(); |
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this.aROI[this.aROI.length - 1] = null; |
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this.aROI = newROI; |
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this.TriggerEvent( ROI_CHANGED ); |
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} |
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|
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if (this.oForm.ROI_MODE) |
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{ |
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var szURL = this.GetRendererURL(); |
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if (szURL != null) |
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{ |
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szURL = szURL + "&mode=-1"; |
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var oImage = CWCDHTML_GetImage( "ROIRenderer" ); |
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oImage.src = szURL; |
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} |
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} |
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this.UpdateLayerVisibility(); |
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} |
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|
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function CWCROIManager_RemoveAll() |
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{ |
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var i; |
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if (this.aROI.length > 0) |
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{ |
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for (i=0; i < this.aROI.length; i++) |
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{ |
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if (this.aROI[i] != null) |
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this.aROI[i].Hide(); |
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this.aROI[i] = null; |
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} |
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this.TriggerEvent( ROI_CHANGED ); |
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} |
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this.aROI = new Array(); |
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if (this.oForm.ROI_MODE) |
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{ |
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var szURL = this.GetRendererURL(); |
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if (szURL != null) |
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{ |
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szURL = szURL + "&mode=-2"; |
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var oImage = CWCDHTML_GetImage( "ROIRenderer" ); |
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oImage.src = szURL; |
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} |
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} |
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this.UpdateLayerVisibility(); |
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} |
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|
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function CWCROIManager_SetROITool( nTool ) |
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{ |
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this.nActiveTool = nTool; |
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|
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if (this.oForm != null) |
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{ |
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if (this.oForm.NAV_CMD != null) |
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this.oForm.NAV_CMD.value = "ROI_TOOL"; |
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if (this.oForm.NAV_SUBMIT != null) |
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this.oForm.NAV_SUBMIT.value = "0"; |
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} |
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} |
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|
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function CWCROIManager_GetROITool( ) |
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{ |
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return this.nActiveTool |
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} |
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|
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/**************************************************************************** |
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* Converts from Geographic coordinates to Pixel coordinates. Returns an |
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* array of 2 elements containing the resulting x and y positions. |
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* |
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* @param x : Value should be between inside the map extents |
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* @param y : Value should be between inside the map extents |
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*****************************************************************************/ |
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function CWCROIManager_Geo2Pix( x, y ) |
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{ |
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if (x >= this.geoMinX && x <= this.geoMaxX && |
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y >= this.geoMinY && y <= this.geoMaxY) |
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{ |
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var width = this.pixMaxX - this.pixMinX; |
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var height = this.pixMaxY - this.pixMinY; |
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|
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var dfDeltaMaxGeoX = this.geoMaxX - this.geoMinX; |
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var dfDeltaMaxGeoY = this.geoMaxY - this.geoMinY; |
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|
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var dfPixX = (width * (x - this.geoMinX))/ dfDeltaMaxGeoX; |
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var dfPixY = height - ((height * (y - this.geoMinY))/ dfDeltaMaxGeoY); |
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|
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aReturn = new Array(2); |
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aReturn[0] = dfPixX; |
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aReturn[1] = dfPixY; |
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|
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return aReturn; |
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} |
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else |
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return false; |
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} |
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|
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|
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/**************************************************************************** |
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* Converts from Pixel to Geographic coordinates. Returns an |
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* array of 2 elements containing the resulting x and y positions. |
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* |
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* @param x : Value should be between 0 and the map width |
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* @param y : Value should be between 0 and the map height |
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*****************************************************************************/ |
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function CWCROIManager_Pix2Geo(x, y) |
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{ |
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var width = this.pixMaxX - this.pixMinX; |
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var height = this.pixMaxY - this.pixMinY; |
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if (x >= 0 && x <= width && |
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y >= 0 && y <= height) |
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{ |
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|
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var x_pct = (x / width); |
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var y_pct = (y / height); |
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|
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var dfGeoX = this.geoMinX + ( ( this.geoMaxX - this.geoMinX) * x_pct); |
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var dfGeoY = this.geoMaxY - ( (this.geoMaxY - this.geoMinY) * y_pct); |
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|
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var aReturn = new Array(2); |
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aReturn[0] = dfGeoX; |
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aReturn[1] = dfGeoY; |
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return aReturn; |
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} |
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else |
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{ |
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return false; |
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} |
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} |
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|
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/* |
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* a Feature-based ROI |
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*/ |
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function CWCFeatureROI( ) |
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{ |
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this.type = "feature"; |
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this.manager = null; |
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this.mode = ROI_MODE_NORMAL; |
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|
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this.edgeColor = "#00FF00"; |
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this.edgeWidth = 2; |
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|
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this.fillColor = this.edgeColor; |
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this.fillOpacity = 0.5; |
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this.fillLayer = null; |
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this.bFill = true; |
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|
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this.visible = false; |
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|
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this.szLayer = ""; |
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this.x = -1; |
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this.y = -1; |
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this.geoX = null; |
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this.geoY = null; |
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|
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this.Draw = CWCFeatureROI_Draw; |
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this.Set = CWCFeatureROI_Set; |
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this.Show = CWCFeatureROI_Show; |
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this.Hide = CWCFeatureROI_Hide; |
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this.GetRendererURL = CWCFeatureROI_GetRendererURL; |
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this.GetROI = CWCFeatureROI_GetROI; |
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this.Serialize = CWCFeatureROI_Serialize; |
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this.CalculateGeoExtents = CWCFeatureROI_CalculateGeoExtents; |
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} |
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459 |
|
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460 |
|
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461 |
function CWCFeatureROI_GetROI() |
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462 |
{ |
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463 |
return false; |
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464 |
} |
---|
465 |
|
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466 |
function CWCFeatureROI_Draw() |
---|
467 |
{ |
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468 |
return false; |
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469 |
} |
---|
470 |
|
---|
471 |
function CWCFeatureROI_Set( x, y, szLayer ) |
---|
472 |
{ |
---|
473 |
this.x = x; |
---|
474 |
this.y = y; |
---|
475 |
this.szLayer = szLayer |
---|
476 |
|
---|
477 |
return false; |
---|
478 |
} |
---|
479 |
|
---|
480 |
function CWCFeatureROI_Show() |
---|
481 |
{ |
---|
482 |
return false; |
---|
483 |
} |
---|
484 |
|
---|
485 |
function CWCFeatureROI_Hide() |
---|
486 |
{ |
---|
487 |
return false; |
---|
488 |
} |
---|
489 |
|
---|
490 |
function CWCFeatureROI_GetRendererURL() |
---|
491 |
{ |
---|
492 |
var szSerialized = this.Serialize(); |
---|
493 |
if (!szSerialized) |
---|
494 |
{ |
---|
495 |
return false; |
---|
496 |
} |
---|
497 |
var szURL = this.manager.GetRendererURL(); |
---|
498 |
|
---|
499 |
szURL = szURL + "&" + szSerialized; |
---|
500 |
return szURL; |
---|
501 |
} |
---|
502 |
|
---|
503 |
function CWCFeatureROI_Serialize() |
---|
504 |
{ |
---|
505 |
if (!this.CalculateGeoExtents()) |
---|
506 |
{ |
---|
507 |
return false; |
---|
508 |
} |
---|
509 |
if (this.szLayer == "") |
---|
510 |
{ |
---|
511 |
return false; |
---|
512 |
} |
---|
513 |
var szURL = "type=" + this.type; |
---|
514 |
szURL = szURL + "&mode=" + this.mode; |
---|
515 |
szURL = szURL + "&coords=" + this.geoX + "," + this.geoY; |
---|
516 |
szURL = szURL + "&edgecolor=" + escape(this.edgeColor); |
---|
517 |
szURL = szURL + "&edgewidth=" + this.edgeWidth; |
---|
518 |
szURL = szURL + "&fillcolor=" + escape(this.fillColor); |
---|
519 |
if (CWCIsIE) |
---|
520 |
{ |
---|
521 |
szURL = szURL + "&fillopacity=-1"; |
---|
522 |
} |
---|
523 |
else |
---|
524 |
{ |
---|
525 |
szURL = szURL + "&fillopacity=" + this.fillOpacity; |
---|
526 |
} |
---|
527 |
szURL = szURL + "&selectedLayer=" + this.szLayer |
---|
528 |
return szURL; |
---|
529 |
} |
---|
530 |
|
---|
531 |
function CWCFeatureROI_CalculateGeoExtents() |
---|
532 |
{ |
---|
533 |
if (this.manager != null) |
---|
534 |
{ |
---|
535 |
var aGeo = this.manager.Pix2Geo( this.x, this.y ); |
---|
536 |
this.geoX = aGeo[0]; |
---|
537 |
this.geoY = aGeo[1]; |
---|
538 |
return true; |
---|
539 |
} |
---|
540 |
return false; |
---|
541 |
} |
---|
542 |
|
---|
543 |
/* |
---|
544 |
* a Rectangular ROI |
---|
545 |
*/ |
---|
546 |
function CWCRectangleROI( ) |
---|
547 |
{ |
---|
548 |
this.type = "rectangle"; |
---|
549 |
this.manager = null; |
---|
550 |
this.mode = ROI_MODE_NORMAL; |
---|
551 |
|
---|
552 |
this.left = -2; |
---|
553 |
this.top = -2; |
---|
554 |
this.right = -2; |
---|
555 |
this.bottom = -2; |
---|
556 |
|
---|
557 |
this.geoMinX = null; |
---|
558 |
this.geoMinY = null; |
---|
559 |
this.geoMaxX = null; |
---|
560 |
this.geoMaxY = null; |
---|
561 |
|
---|
562 |
this.topLayer = null; |
---|
563 |
this.leftLayer = null; |
---|
564 |
this.rightLayer = null; |
---|
565 |
this.bottomLayer = null; |
---|
566 |
this.edgeColor = "#00FF00"; |
---|
567 |
this.edgeWidth = 2; |
---|
568 |
|
---|
569 |
this.fillColor = this.edgeColor; |
---|
570 |
this.fillOpacity = 0.5; |
---|
571 |
this.fillLayer = null; |
---|
572 |
this.bFill = true; |
---|
573 |
|
---|
574 |
this.visible = false; |
---|
575 |
|
---|
576 |
this.Draw = CWCRectangleROI_Draw; |
---|
577 |
this.Set = CWCRectangleROI_Set; |
---|
578 |
this.Show = CWCRectangleROI_Show; |
---|
579 |
this.Hide = CWCRectangleROI_Hide; |
---|
580 |
this.GetRendererURL = CWCRectangleROI_GetRendererURL; |
---|
581 |
this.GetROI = CWCRectangleROI_GetROI; |
---|
582 |
this.Serialize = CWCRectangleROI_Serialize; |
---|
583 |
this.CalculateGeoExtents = CWCRectangleROI_CalculateGeoExtents; |
---|
584 |
} |
---|
585 |
|
---|
586 |
function CWCRectangleROI_CalculateGeoExtents() |
---|
587 |
{ |
---|
588 |
if (this.manager != null) |
---|
589 |
{ |
---|
590 |
var aTL = this.manager.Pix2Geo( this.left, this.top ); |
---|
591 |
var aBR = this.manager.Pix2Geo( this.right, this.bottom ); |
---|
592 |
if (aTL != false && aBR != false) |
---|
593 |
{ |
---|
594 |
this.geoMinX = Math.min(aTL[0], aBR[0]); |
---|
595 |
this.geoMaxX = Math.max(aTL[0], aBR[0]); |
---|
596 |
this.geoMinY = Math.min(aTL[1], aBR[1]); |
---|
597 |
this.geoMaxY = Math.max(aTL[1], aBR[1]); |
---|
598 |
|
---|
599 |
//alert( this.geoMinX + "," + this.geoMinY + ":" + this.geoMaxX + "," + this.geoMaxY ); |
---|
600 |
return true; |
---|
601 |
} |
---|
602 |
else |
---|
603 |
{ |
---|
604 |
this.geoMinX = null; |
---|
605 |
this.geoMinY = null; |
---|
606 |
this.geoMaxX = null; |
---|
607 |
this.geoMaxY = null; |
---|
608 |
return false; |
---|
609 |
} |
---|
610 |
} |
---|
611 |
else |
---|
612 |
{ |
---|
613 |
return false; |
---|
614 |
} |
---|
615 |
} |
---|
616 |
|
---|
617 |
function CWCRectangleROI_GetROI() |
---|
618 |
{ |
---|
619 |
|
---|
620 |
} |
---|
621 |
|
---|
622 |
function CWCRectangleROI_Draw() |
---|
623 |
{ |
---|
624 |
if (!this.visible) |
---|
625 |
return; |
---|
626 |
|
---|
627 |
if( this.topLayer == null || this.leftLayer == null || |
---|
628 |
this.rightLayer == null || this.bottomLayer == null) |
---|
629 |
{ |
---|
630 |
this.visible = false; |
---|
631 |
return; |
---|
632 |
} |
---|
633 |
|
---|
634 |
CWCDHTML_ClipLayer(this.topLayer, this.left, this.top, this.right, this.top+this.edgeWidth); |
---|
635 |
CWCDHTML_ClipLayer(this.leftLayer, this.left, this.top, this.left + this.edgeWidth, this.bottom); |
---|
636 |
CWCDHTML_ClipLayer(this.rightLayer, this.right - this.edgeWidth, this.top, this.right, this.bottom); |
---|
637 |
CWCDHTML_ClipLayer(this.bottomLayer, this.left, this.bottom - this.edgeWidth, this.right, this.bottom); |
---|
638 |
if (this.bFill) |
---|
639 |
{ |
---|
640 |
if (this.fillLayer != null) |
---|
641 |
{ |
---|
642 |
CWCDHTML_ClipLayer(this.fillLayer, this.left+this.edgeWidth, this.top+this.edgeWidth, this.right-this.edgeWidth, this.bottom - this.edgeWidth); |
---|
643 |
} |
---|
644 |
else |
---|
645 |
{ |
---|
646 |
this.bFill = false; |
---|
647 |
} |
---|
648 |
} |
---|
649 |
} |
---|
650 |
|
---|
651 |
function CWCRectangleROI_Set( left, top, right, bottom ) |
---|
652 |
{ |
---|
653 |
this.left = left; |
---|
654 |
this.top = top; |
---|
655 |
this.right = right; |
---|
656 |
this.bottom = bottom; |
---|
657 |
|
---|
658 |
if (this.visible) |
---|
659 |
{ |
---|
660 |
this.Draw(); |
---|
661 |
} |
---|
662 |
} |
---|
663 |
|
---|
664 |
function CWCRectangleROI_Show() |
---|
665 |
{ |
---|
666 |
if( this.topLayer == null || this.leftLayer == null || |
---|
667 |
this.rightLayer == null || this.bottomLayer == null) |
---|
668 |
{ |
---|
669 |
this.visible = false; |
---|
670 |
return; |
---|
671 |
} |
---|
672 |
|
---|
673 |
this.visible = true; |
---|
674 |
|
---|
675 |
CWCDHTML_ShowLayer(this.topLayer); |
---|
676 |
CWCDHTML_ShowLayer(this.leftLayer); |
---|
677 |
CWCDHTML_ShowLayer(this.rightLayer); |
---|
678 |
CWCDHTML_ShowLayer(this.bottomLayer); |
---|
679 |
|
---|
680 |
CWCDHTML_SetLayerBackgroundColor( this.topLayer, this.edgeColor ); |
---|
681 |
CWCDHTML_SetLayerBackgroundColor( this.leftLayer, this.edgeColor ); |
---|
682 |
CWCDHTML_SetLayerBackgroundColor( this.rightLayer, this.edgeColor ); |
---|
683 |
CWCDHTML_SetLayerBackgroundColor( this.bottomLayer, this.edgeColor ); |
---|
684 |
|
---|
685 |
if(this.bFill) |
---|
686 |
{ |
---|
687 |
CWCDHTML_ShowLayer(this.fillLayer) |
---|
688 |
CWCDHTML_SetLayerBackgroundColor( this.fillLayer, this.fillColor ); |
---|
689 |
CWCDHTML_SetLayerOpacity( this.fillLayer, this.fillOpacity ); |
---|
690 |
|
---|
691 |
} |
---|
692 |
this.Draw(); |
---|
693 |
} |
---|
694 |
|
---|
695 |
function CWCRectangleROI_Hide() |
---|
696 |
{ |
---|
697 |
if( this.topLayer == null || this.leftLayer == null || |
---|
698 |
this.rightLayer == null || this.bottomLayer == null) |
---|
699 |
{ |
---|
700 |
this.visible = false; |
---|
701 |
return; |
---|
702 |
} |
---|
703 |
|
---|
704 |
this.visible = false; |
---|
705 |
|
---|
706 |
CWCDHTML_HideLayer(this.topLayer); |
---|
707 |
CWCDHTML_HideLayer(this.leftLayer); |
---|
708 |
CWCDHTML_HideLayer(this.rightLayer); |
---|
709 |
CWCDHTML_HideLayer(this.bottomLayer); |
---|
710 |
|
---|
711 |
if(this.bFill) |
---|
712 |
{ |
---|
713 |
CWCDHTML_HideLayer(this.fillLayer) |
---|
714 |
} |
---|
715 |
} |
---|
716 |
|
---|
717 |
function CWCRectangleROI_GetRendererURL() |
---|
718 |
{ |
---|
719 |
var szSerialized = this.Serialize(); |
---|
720 |
if (!szSerialized) |
---|
721 |
{ |
---|
722 |
return false; |
---|
723 |
} |
---|
724 |
var szURL = this.manager.GetRendererURL(); |
---|
725 |
|
---|
726 |
szURL = szURL + "&" + szSerialized; |
---|
727 |
return szURL; |
---|
728 |
} |
---|
729 |
|
---|
730 |
function CWCRectangleROI_Serialize() |
---|
731 |
{ |
---|
732 |
if (!this.CalculateGeoExtents()) |
---|
733 |
return false; |
---|
734 |
|
---|
735 |
var szURL = "type=" + this.type; |
---|
736 |
szURL = szURL + "&mode=" + this.mode; |
---|
737 |
szURL = szURL + "&coords=" + this.geoMinX + "," + this.geoMinY + "," + this.geoMaxX + "," + this.geoMaxY; |
---|
738 |
szURL = szURL + "&edgecolor=" + escape(this.edgeColor); |
---|
739 |
szURL = szURL + "&edgewidth=" + this.edgeWidth; |
---|
740 |
szURL = szURL + "&fillcolor=" + escape(this.fillColor); |
---|
741 |
if (CWCIsIE) |
---|
742 |
{ |
---|
743 |
szURL = szURL + "&fillopacity=-1"; |
---|
744 |
} |
---|
745 |
else |
---|
746 |
{ |
---|
747 |
szURL = szURL + "&fillopacity=" + this.fillOpacity; |
---|
748 |
} |
---|
749 |
return szURL; |
---|
750 |
} |
---|
751 |
|
---|
752 |
/****************************************************************************** |
---|
753 |
* a Circle ROI |
---|
754 |
*****************************************************************************/ |
---|
755 |
function CWCCircleROI( nPoints ) |
---|
756 |
{ |
---|
757 |
this.type = "circle"; |
---|
758 |
this.manager = null; |
---|
759 |
this.mode = ROI_MODE_NORMAL; |
---|
760 |
|
---|
761 |
// set the node image widths |
---|
762 |
this.centerNodeImageWidth = 7; |
---|
763 |
this.nodeImageWidth = 6; |
---|
764 |
|
---|
765 |
// set the operating limits for this tool |
---|
766 |
this.left = -2; |
---|
767 |
this.top = -2; |
---|
768 |
this.right = -2; |
---|
769 |
this.bottom = -2; |
---|
770 |
|
---|
771 |
// define the center and radius properties |
---|
772 |
this.centerX = -2; // in pixels from corner of map |
---|
773 |
this.centerY = -2; // in pixels from corner of map |
---|
774 |
this.radius = 0; |
---|
775 |
|
---|
776 |
// default the number of layers to create |
---|
777 |
this.numPoints = nPoints; |
---|
778 |
|
---|
779 |
// loop and build layer objects |
---|
780 |
for ( var i=1; i<=this.numPoints; i++ ) |
---|
781 |
{ |
---|
782 |
eval('this.Layer' + i + ' = null;'); |
---|
783 |
} |
---|
784 |
|
---|
785 |
this.edgeColor = "#00FF00"; |
---|
786 |
this.edgeWidth = 2; |
---|
787 |
|
---|
788 |
this.fillColor = this.edgeColor; |
---|
789 |
this.fillOpacity = 0.5; |
---|
790 |
this.fillLayer = null; |
---|
791 |
this.bFill = true; |
---|
792 |
|
---|
793 |
this.visible = false; |
---|
794 |
|
---|
795 |
this.Draw = CWCCircleROI_Draw; |
---|
796 |
this.Show = CWCCircleROI_Show; |
---|
797 |
this.Hide = CWCCircleROI_Hide; |
---|
798 |
this.GetRendererURL = CWCCircleROI_GetRendererURL; |
---|
799 |
this.GetROI = CWCCircleROI_GetROI; |
---|
800 |
this.Serialize = CWCCircleROI_Serialize; |
---|
801 |
//this.CalculateGeoExtents = CWCCircleROI_CalculateGeoExtents; |
---|
802 |
} |
---|
803 |
/* |
---|
804 |
function CWCCircleROI_CalculateGeoExtents() |
---|
805 |
{ |
---|
806 |
if (this.manager != null) |
---|
807 |
{ |
---|
808 |
var aTL = this.manager.Pix2Geo( this.left, this.top ); |
---|
809 |
var aBR = this.manager.Pix2Geo( this.right, this.bottom ); |
---|
810 |
if (aTL != false && aBR != false) |
---|
811 |
{ |
---|
812 |
this.geoMinX = Math.min(aTL[0], aBR[0]); |
---|
813 |
this.geoMaxX = Math.max(aTL[0], aBR[0]); |
---|
814 |
this.geoMinY = Math.min(aTL[1], aBR[1]); |
---|
815 |
this.geoMaxY = Math.max(aTL[1], aBR[1]); |
---|
816 |
|
---|
817 |
//alert( this.geoMinX + "," + this.geoMinY + ":" + this.geoMaxX + "," + this.geoMaxY ); |
---|
818 |
return true; |
---|
819 |
} |
---|
820 |
else |
---|
821 |
{ |
---|
822 |
this.geoMinX = null; |
---|
823 |
this.geoMinY = null; |
---|
824 |
this.geoMaxX = null; |
---|
825 |
this.geoMaxY = null; |
---|
826 |
return false; |
---|
827 |
} |
---|
828 |
} |
---|
829 |
else |
---|
830 |
{ |
---|
831 |
return false; |
---|
832 |
} |
---|
833 |
} |
---|
834 |
*/ |
---|
835 |
function CWCCircleROI_GetROI() |
---|
836 |
{ |
---|
837 |
|
---|
838 |
} |
---|
839 |
|
---|
840 |
function CWCCircleROI_Draw() |
---|
841 |
{ |
---|
842 |
// init vars |
---|
843 |
var dX = 0; |
---|
844 |
var dY = 0; |
---|
845 |
|
---|
846 |
if (!this.visible) |
---|
847 |
return; |
---|
848 |
|
---|
849 |
// calculate the distance to the mouse and angle interval (rad) |
---|
850 |
with (Math) |
---|
851 |
{ |
---|
852 |
var dist = sqrt( pow( gROIToolmouseX - gROICircleToolx1, 2 ) + pow( gROIToolmouseY - gROICircleTooly1, 2 ) ); |
---|
853 |
var angleInterval = 2 * PI / this.numPoints; |
---|
854 |
} |
---|
855 |
|
---|
856 |
// set the center and radius |
---|
857 |
this.centerX = gROICircleToolx1 - this.left; |
---|
858 |
this.centerY = gROICircleTooly1 - this.top; |
---|
859 |
this.radius = dist; |
---|
860 |
|
---|
861 |
// position nodes |
---|
862 |
CWCDHTML_SetLayerPos( this.centerLayer, gROICircleToolx1-(this.centerNodeImageWidth/2), gROICircleTooly1-(this.centerNodeImageWidth/2) ); |
---|
863 |
|
---|
864 |
// loop and position each of the point layers around the circle |
---|
865 |
for ( var i=0; i<this.numPoints; i++ ) |
---|
866 |
{ |
---|
867 |
// calculate the x and y position (account for image width/height) |
---|
868 |
dX = (Math.cos(i*angleInterval) * dist) - (this.nodeImageWidth/2); |
---|
869 |
dY = (Math.sin(i*angleInterval) * dist) - (this.nodeImageWidth/2);; |
---|
870 |
|
---|
871 |
// position the layer |
---|
872 |
eval('CWCDHTML_SetLayerPos( this.Layer' + (i+1) + ', gROICircleToolx1 + dX, gROICircleTooly1 + dY );'); |
---|
873 |
|
---|
874 |
// show/hide as necessary |
---|
875 |
if ( gROICircleToolx1 + dX < this.left || gROICircleToolx1 + dX > this.right - this.nodeImageWidth || |
---|
876 |
gROICircleTooly1 + dY < this.top || gROICircleTooly1 + dY > this.bottom - this.nodeImageWidth ) |
---|
877 |
{ |
---|
878 |
// hide |
---|
879 |
eval('CWCDHTML_HideLayer(this.Layer' + (i+1) + ');'); |
---|
880 |
} |
---|
881 |
else |
---|
882 |
{ |
---|
883 |
// show |
---|
884 |
eval('CWCDHTML_ShowLayer(this.Layer' + (i+1) + ');'); |
---|
885 |
} |
---|
886 |
} |
---|
887 |
} |
---|
888 |
|
---|
889 |
function CWCCircleROI_Show() |
---|
890 |
{ |
---|
891 |
// set flag |
---|
892 |
this.visible = true; |
---|
893 |
|
---|
894 |
CWCDHTML_ShowLayer(this.centerLayer); |
---|
895 |
|
---|
896 |
// loop and show layer objects |
---|
897 |
for ( var i=1; i<=this.numPoints; i++ ) |
---|
898 |
{ |
---|
899 |
eval( 'CWCDHTML_ShowLayer(this.Layer' + i + ');' ); |
---|
900 |
} |
---|
901 |
|
---|
902 |
this.Draw(); |
---|
903 |
} |
---|
904 |
|
---|
905 |
function CWCCircleROI_Hide() |
---|
906 |
{ |
---|
907 |
// set flag |
---|
908 |
this.visible = false; |
---|
909 |
|
---|
910 |
// loop and hide layer objects |
---|
911 |
for ( var i=1; i<=this.numPoints; i++ ) |
---|
912 |
{ |
---|
913 |
eval( 'CWCDHTML_HideLayer(this.Layer' + i + ');' ); |
---|
914 |
} |
---|
915 |
|
---|
916 |
CWCDHTML_HideLayer(this.centerLayer); |
---|
917 |
} |
---|
918 |
|
---|
919 |
function CWCCircleROI_GetRendererURL() |
---|
920 |
{ |
---|
921 |
var szSerialized = this.Serialize(); |
---|
922 |
if (!szSerialized) |
---|
923 |
return false; |
---|
924 |
|
---|
925 |
var szURL = this.manager.GetRendererURL(); |
---|
926 |
|
---|
927 |
szURL = szURL + "&" + szSerialized; |
---|
928 |
return szURL; |
---|
929 |
} |
---|
930 |
|
---|
931 |
function CWCCircleROI_Serialize() |
---|
932 |
{ |
---|
933 |
// init vars |
---|
934 |
var aCenter; |
---|
935 |
var aRadius; |
---|
936 |
var szURL; |
---|
937 |
|
---|
938 |
// convert to ground units |
---|
939 |
if (this.manager != null) |
---|
940 |
{ |
---|
941 |
aCenter = this.manager.Pix2Geo( this.centerX, this.centerY ); |
---|
942 |
aRadius = this.manager.Pix2Geo( parseInt(this.centerX) + parseInt(this.radius), |
---|
943 |
this.centerY ); |
---|
944 |
} |
---|
945 |
|
---|
946 |
szURL = "type=" + this.type; |
---|
947 |
szURL = szURL + "&mode=" + this.mode; |
---|
948 |
szURL = szURL + "&coords=" + aCenter[0] + ',' + aCenter[1] + ',' + |
---|
949 |
aRadius[0] + ',' + aRadius[1]; |
---|
950 |
szURL = szURL + "&edgecolor=" + escape(this.edgeColor); |
---|
951 |
szURL = szURL + "&edgewidth=" + this.edgeWidth; |
---|
952 |
szURL = szURL + "&fillcolor=" + escape(this.fillColor); |
---|
953 |
if (CWCIsIE) |
---|
954 |
{ |
---|
955 |
szURL = szURL + "&fillopacity=-1"; |
---|
956 |
} |
---|
957 |
else |
---|
958 |
{ |
---|
959 |
szURL = szURL + "&fillopacity=" + this.fillOpacity; |
---|
960 |
} |
---|
961 |
return szURL; |
---|
962 |
} |
---|
963 |
|
---|
964 |
/****************************************************************************** |
---|
965 |
* a Polygon ROI |
---|
966 |
*****************************************************************************/ |
---|
967 |
function CWCPolygonROI() |
---|
968 |
{ |
---|
969 |
this.type = "polygon"; |
---|
970 |
this.manager = null; |
---|
971 |
this.mode = ROI_MODE_NORMAL; |
---|
972 |
|
---|
973 |
this.edgeColor = "#00FF00"; |
---|
974 |
this.edgeWidth = 2; |
---|
975 |
|
---|
976 |
// set the operating limits for this tool |
---|
977 |
this.left = -2; |
---|
978 |
this.top = -2; |
---|
979 |
this.right = -2; |
---|
980 |
this.bottom = -2; |
---|
981 |
|
---|
982 |
this.fillColor = this.edgeColor; |
---|
983 |
this.fillOpacity = 0.5; |
---|
984 |
this.fillLayer = null; |
---|
985 |
this.bFill = true; |
---|
986 |
|
---|
987 |
this.aNodeCoords = new Array(); |
---|
988 |
|
---|
989 |
this.visible = false; |
---|
990 |
|
---|
991 |
this.Draw = CWCPolygonROI_Draw; |
---|
992 |
this.Show = CWCPolygonROI_Show; |
---|
993 |
this.Hide = CWCPolygonROI_Hide; |
---|
994 |
this.GetRendererURL = CWCPolygonROI_GetRendererURL; |
---|
995 |
this.GetROI = CWCPolygonROI_GetROI; |
---|
996 |
this.GetRendererURL = CWCPolygonROI_GetRendererURL; |
---|
997 |
this.Serialize = CWCPolygonROI_Serialize; |
---|
998 |
|
---|
999 |
} |
---|
1000 |
function CWCPolygonROI_Draw(){return null;} |
---|
1001 |
function CWCPolygonROI_Show(){return null;} |
---|
1002 |
function CWCPolygonROI_Hide(){return null;} |
---|
1003 |
function CWCPolygonROI_GetRendererURL(){return null;} |
---|
1004 |
function CWCPolygonROI_GetROI(){return null;} |
---|
1005 |
|
---|
1006 |
function CWCPolygonROI_GetRendererURL() |
---|
1007 |
{ |
---|
1008 |
var szSerialized = this.Serialize(); |
---|
1009 |
if (!szSerialized) |
---|
1010 |
return false; |
---|
1011 |
|
---|
1012 |
var szURL = this.manager.GetRendererURL(); |
---|
1013 |
|
---|
1014 |
szURL = szURL + "&" + szSerialized; |
---|
1015 |
return szURL; |
---|
1016 |
} |
---|
1017 |
|
---|
1018 |
function CWCPolygonROI_Serialize() |
---|
1019 |
{ |
---|
1020 |
// init vars |
---|
1021 |
var szCoords = ""; |
---|
1022 |
var szURL; |
---|
1023 |
var aTmp; |
---|
1024 |
|
---|
1025 |
// loop and build string of coordinates |
---|
1026 |
for ( var i=0; i < this.aNodeCoords.length; i++ ) |
---|
1027 |
{ |
---|
1028 |
// convert to ground units |
---|
1029 |
aTmp = this.manager.Pix2Geo( (this.aNodeCoords[i][0]- this.left), |
---|
1030 |
( this.aNodeCoords[i][1] - this.top ) ); |
---|
1031 |
|
---|
1032 |
// store |
---|
1033 |
szCoords += aTmp[0] + ',' + aTmp[1]; |
---|
1034 |
|
---|
1035 |
//szCoords += (this.aNodeCoords[i][0] + ',' + ( this.aNodeCoords[i][1] - this.top); |
---|
1036 |
|
---|
1037 |
// add separator if necessary |
---|
1038 |
if ( i < this.aNodeCoords.length - 1 ) |
---|
1039 |
szCoords += ','; |
---|
1040 |
} |
---|
1041 |
|
---|
1042 |
szURL = "type=" + this.type; |
---|
1043 |
szURL = szURL + "&mode=" + this.mode; |
---|
1044 |
szURL = szURL + "&coords=" + szCoords; |
---|
1045 |
szURL = szURL + "&edgecolor=" + escape(this.edgeColor); |
---|
1046 |
szURL = szURL + "&edgewidth=" + this.edgeWidth; |
---|
1047 |
szURL = szURL + "&fillcolor=" + escape(this.fillColor); |
---|
1048 |
if (CWCIsIE) |
---|
1049 |
{ |
---|
1050 |
szURL = szURL + "&fillopacity=-1"; |
---|
1051 |
} |
---|
1052 |
else |
---|
1053 |
{ |
---|
1054 |
szURL = szURL + "&fillopacity=" + this.fillOpacity; |
---|
1055 |
} |
---|
1056 |
return szURL; |
---|
1057 |
} |
---|