User Manual for Mn/DOT Video
Contents
1. d MED Set Choosing Between Reference Post to True Miles Users can change between having the location of the image shown in reference post of true miles miles form the beginning of the route usually the state line by clicking on the small grey square to the right of the location Clicking this box toggles between reference post RP and true miles TM The Digitized Image Control Window The digitized image control window is used to choose images change directions change locations and or roadways and to play the movie This is where you users will spend most of their time while using the video log application In the upper left corner there are two small boxes with a 1 and a 2 in them Clicking one of these boxes will shut off the image with that number Image 1 is the front view while image 2 is the side view Viewing the Images The VCR buttons and en are used to play the images They can be used two ways auto play or manual Pointing to one of the VCR buttons and clicking the right mouse button will start auto play where the images advance automatically To stop auto play simply click the left mouse button while pointing to one of the VCR buttons Holding the left mouse button down will also activate auto play releasing it will stop the images The most common way of using the VCR buttons is manually Each time the left mouse button is clicked the images will advance by the distance in the Skip2. Pathview Il Loading Road Section Records xxxx Where xxxx is the record number being loaded from the database In the statewide database there are approximately 27 000 records approximately one per lane mile In a district setup there will be approximately 4 000 records to load Once the data is loaded the application will open and the last location displayed by any previous user will be shown There are three windows in the application as shown below the Image window the Image Location window and the Digital Image Control window Each window can be resized and moved using the normal windows convention of dragging the mouse from one of the sides or corners BL IEEE IRE L m 177 Example of video log application windows The Image Window The Image Window as the name implies is where the images are shown Normally both the front and side images will be displayed together Aat 4 METE 2E Har Lai Dei TC 8 amp mint Le 45 DEDISTIS Los 37 BST Mi i 5 Hom FRF USE Og 13 pir Zen pets ede Prem 198 DATE IHE Lac d 77 1 805 AUT L e OS 019 There is one menu item the Image widow clicking the Image in the upper left corner will bring up the Brightness Contrast controls Mn DOT s system uses two images Image 1 is the front view while image 2 is the side view Since these are the
3. This will shut down the entire application If you click on any of the other boxes in the Image and Image Location Data windows you will have to also close the other windows separately Age i m Click here to close application Enw Drin imoni uade ine tan ATE Hi L m 1 27 Ini Hou 1 6 nut L e 835 Au ma nid Making Suggestions for Improvements User suggestions for improving the application are welcome Suggestions should be sent to David Janisch Pavement Management Engineer Office of Materials M S 645 1400 Gervais Avenue Maplewood MN 55109 651 779 5567 11
4. box If the skip box is 0 the images will advance by the default length This is generally 25 feet in Metro and 50 feet outstate The speed at which the images scroll is directly related to the source of the images and the connection speed between your PC and that source If the images are stored on a district server any district user will have very quick rollover from one image to the next If on the other hand a district user is accessing the images from the central office server over the T1 line the initial loading of the database and the scrolling of the images will be much slower Changing the Viewing Interval The Skip box is used to jump at longer intervals For example in the Metro area images are taken every 25 feet as the van drives down the road If the area being studied does not need such frequent images the user can enter another value in the box If the user enters 100 in the box the images will be displayed every 100 feet as the van drives down the road skipping 3 out of every 4 images This gives the impression the vehicle is driving much faster than it is Changing Directions The Change Dir button changes the direction of travel The next image displayed after clicking this button should be very close to directly opposite the previous image but heading the other way Finding a Certain Location The Find button is used to choose another location on the same route or to pick another roadway Clicking on the find
5. button will bring up the Choose Location to Find window The user must now choose a district roadway direction of travel and location Once OK is clicked the program will display the new image s The Choose Location to Find window shows the locations in roughly one mile sections This is because in addition to video log data the data collection van is collecting pavement roughness cracking rutting etc data on a mile by mile basis The user can choose to find a specific section by choosing one of the sections listed in the window or enter a specific location if it occurs at someplace within one the sections Choore Location to Find Dininct Heferences Mile Poanks 215 5H89 216 255 ZIB5 323 2716 895 2 320 216 923 218 315 217 320 219 B1H 218 916 2120 412 219 818 Z21 310 2219 31 7 222 303 221 310 223 09 222 303 224 913 223 404 225 837 224 413 JJBS3G1 S891 22 320 225 33 Enter Mile 1224 473 The Choose Location to Find window lists the sections in both reference post and true miles The application will use either reference post or true miles depending on the units displayed in the Image Location window For example in the first image on the next page the units in the Image Location Data window are set to reference post as evidence by the 72 208 RP displayed in the second line If the user clicks on the section from RP 60 000 70 000 in the Choose Location to Find wind
6. 6 Mn DOT Video Log User Manual USER MANUAL Report MnDOT OM PM 2004 02 September 2004 Office of Materials Pavement Management Unit Table of Contents Launching ThE AP PIG ATOM D E TM 1 Ie Image VVIEIOOW vada 2 Changing the Brightness and or 2 ZOOMING INTO THE MINA OO 2 053 cand anta Der enit endum wende na de 5 The Images gt E Rien eoe Di 7 Choosing Between Reference Post and True Miles 7 The Digitized Image Control Window 7 AI IaeiR unce me CICER 8 Changing the Viewing 8 Ghangitg DILecllgriS seule do ER bao A e bani PERIERE IRE ees 9 Finding a Certain LOCAUON e 9 Minimizing the Application uus eoo aae Ed aea eR e dd 11 Closing 1 o 11 Making Suggestions for 11 User Manual for Mn DOT Video log System Launching the Application Assuming the software has been installed correctly on you PC you should see an icon on your desktop with a black crown in a red square as shown below Double click on the icon to launch the application You will see a small rectangular box on the screen saying
7. d to the full screen gt gt mm o o e n a z Poemy Gees jam gala ZEILE S MILL LED Wovens zT x X TOL 1 En x In the image below the bus stop is being zoomed in Notice that after the zoom the phone number can easily be read The zoom feature is useful for reading street signs billboards and other roadside appurtenances Serre ben igual To get the best zoomed image make the rectangle wider than it is tall and get the image as close as possible before zooming in The Image Location Data Window The Image Location data window shows the user information about the image s being displayed Information included in the window is the time stamp record number tape set number all used internally by the application to keep track of which images go with each record in the database distance from beginning of section in feet location of current image in either true miles or reference post latitude and longitude of image location heading in degrees district beginning and ending Reference Post of section beginning description date tested International Roughness Index IRI and average rut depth in the left and right wheelpaths The exact information displayed on your PC depends on how the database was setup when it was installed JA y d y if Am m z L dL i 1 ri E E WE E I
8. only two views we have clicking on the Brightness Contrast for images 3 6 will do nothing Changing the Image Brightness and or Contrast The brightness and contrast can be changed using the Image menu in the Image window The settings will remain in effect until they are changed even if the user exits the program Clicking the Image menu will bring up as shown below NE E Se east ar POPS CRN Jum Once you click on one of the menu choices the following screen will appear The image number will be displayed at the top of the box as shown below To increase the image Brightness Click the Bright box repeatedly To decrease the image Brightness Click the Bright box repeatedly To increase the image Contrast Click the Bright box repeatedly To decrease the image Contrast Click the Bright box repeatedly To restore the image brightness and contrast to its original settings click on the Default box The following two images show the result of clicking the Bright button 20 times to increase the Brightness Image 1 after clicking Bright 20 times Em ER Zooming into the Image The user can zoom into the image by holding the shift key down while using the mouse to draw a box around the area of interest Once the mouse button is released the portion of the image with the box around it will be magnifie
9. ow 69 000 appears in the Enter Mile box When the user clicks OK the program finds the image at that location and displays both the front and side images at that location If the units in the Image Location Data window were true miles then when the user clicked on the section from HP 69 000 70 000 69 012 would appear in the enter Mile box because that is the location of the beginning of the section in true miles A user can also simply enter the location in the Enter Mile box to jump to a specific location Again the value entered will be the same as the units in the Image Location Data window either reference post or true miles However since the images are taken at intervals you are not able to go to every possible location The program will show you the image taken closest to the location you enter in the Enter Mile box iir 1 e FIT A a UE 1122 ai 8 M _ T j Lon 7 1 Results of using Find Hec 1718 Fl 24 Lon s 161 2744 Name ui DATE STL aH 10 Minimizing the Application To minimize the application click on the minimize button in the upper right corner of the Image window You will have to minimize all other applications before you maximize the application again otherwise only the image window will be visible Closing the Application To close the application click on the X box in the Digitized Image Control window
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