Hi,
I found that my heat map is getting darker and darker overtime. Looking at the chrome console I found that for whatever reason there is more than one call generated to get the heat map layer....?????
Get #1:
Status Code:200 OK
Request Headersview source
Accept:*/*
Accept-Charset:ISO-8859-1,utf-8;q=0.7,*;q=0.3
Accept-Encoding:gzip,deflate,sdch
Accept-Language:en-US,en;q=0.8
Cache-Control:max-age=0
Connection:keep-alive
Cookie:ASP.NET_SessionId=wjitjla1jokz3r3p15r0bf0x
Host:geoweb.usac.mmm.com
Referer:geoweb.usac.mmm.com/china/demoa
User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.91 Safari/537.11
Query String Parametersview URL encoded
OVERLAYID:HeatOverlay
FORMAT:image/png
CACHEID:heatmapdemoChina
PAGENAME:bITd3NmERE2e3ermo9uiYQ_cMap2
STYLES:
CLIENTID:cMap2
EXTRA:30040029029
SRS:EPSG:4326
BBOX:13465789.181204,3538342.6339754,13557348.161706,3761441.3497986
WIDTH:300
HEIGHT:731
ZOOM:9
Response Headersview source
Cache-Control:public,public, max-age=31536000
Content-Length:44459
Content-Type:IMAGE/PNG
Date:Fri, 30 Nov 2012 22:06:29 GMT
Expires:Fri, 30 Nov 2012 22:06:29 GMT
Server:Microsoft-IIS/7.5
X-AspNet-Version:4.0.30319
X-Powered-By:ASP.NET
Get #2:
Request URL:geoweb.usac.mmm.com/china/demoa/tile_GeoResource.axd?OVERLAYID=HeatOverlay&FORMAT=image%2Fpng&CACHEID=heatmapdemoChina&PAGENAME=bITd3NmERE2e3ermo9uiYQ_cMap2&STYLES=&CLIENTID=cMap2&EXTRA=30040029029&SRS=EPSG%3A4326&BBOX=13465789.181204,3538342.6339754,13557348.161706,3761441.3497986&WIDTH=300&HEIGHT=731&ZOOM=9
Request Method:GET
Request URL:geoweb.usac.mmm.com/china/demoa/tile_GeoResource.axd?OVERLAYID=HeatOverlay&FORMAT=image%2Fpng&CACHEID=heatmapdemoChina&PAGENAME=bITd3NmERE2e3ermo9uiYQ_cMap2&STYLES=&CLIENTID=cMap2&EXTRA=30040029029&SRS=EPSG%3A4326&_OLSALT=0.11039158119820058&BBOX=13465789.181204,3538342.6339754,13557348.161706,3761441.3497986&WIDTH=300&HEIGHT=731&ZOOM=9
Request Method:GET
Status Code:200 OK
Request Headersview source
Accept:*/*
Accept-Charset:ISO-8859-1,utf-8;q=0.7,*;q=0.3
Accept-Encoding:gzip,deflate,sdch
Accept-Language:en-US,en;q=0.8
Cache-Control:max-age=0
Connection:keep-alive
Cookie:ASP.NET_SessionId=wjitjla1jokz3r3p15r0bf0x
Host:geoweb.usac.mmm.com
Referer:geoweb.usac.mmm.com/china/demoa
User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.91 Safari/537.11
Query String Parametersview URL encoded
OVERLAYID:HeatOverlay
FORMAT:image/png
CACHEID:heatmapdemoChina
PAGENAME:bITd3NmERE2e3ermo9uiYQ_cMap2
STYLES:
CLIENTID:cMap2
EXTRA:30040029029
SRS:EPSG:4326
_OLSALT:0.11039158119820058
BBOX:13465789.181204,3538342.6339754,13557348.161706,3761441.3497986
WIDTH:300
HEIGHT:731
ZOOM:9
Response Headersview source
Cache-Control:public,public, max-age=31536000
Content-Length:44459
Content-Type:IMAGE/PNG
Date:Fri, 30 Nov 2012 22:06:29 GMT
Expires:Fri, 30 Nov 2012 22:06:29 GMT
Server:Microsoft-IIS/7.5
X-AspNet-Version:4.0.30319
X-Powered-By:ASP.NET