creating own gps map in vc++
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fine then. could u not find the bounding rectangle of your town. to find it, just draw a virtual rectangle around ur town in GE (ggl erth) take the longi and lati of the top left corner of the rect and bottom right corner of the rect. parallelly, experiment drawing a rectangle(0,0,700,700) on your screen and lines 0,0 to 100,100 to 100,150 to 150,200. if you are stuck up, let me know i shall help u.
gpsmercato wrote:
my deadline is on july second week.
far more than sufficient.
[Message Deleted]
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did it take 1 hr 25 mins for you to create a rectangle ? :-D donot take such bigger rectangles. ;P take one that you can see on ur screen ;) or areu trying to paint it on the ground around ur town? :^) have a sumptuous lunch. i will have a nap till then.
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did it take 1 hr 25 mins for you to create a rectangle ? :-D donot take such bigger rectangles. ;P take one that you can see on ur screen ;) or areu trying to paint it on the ground around ur town? :^) have a sumptuous lunch. i will have a nap till then.
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:^) well ...ya it took long time..actually i went for friday prayer in between...... ok so rectangle with the lines done. in GE the values are 25d17m28.90sc & 55d18m31.07sec 25d11m32.57sec & 55d24m17.68sec
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:^) well ...ya it took long time..actually i went for friday prayer in between...... ok so rectangle with the lines done. in GE the values are 25d17m28.90sc & 55d18m31.07sec 25d11m32.57sec & 55d24m17.68sec
can you convert these into integers for me please. make it quick. 25d17m28.90sc & 55d18m31.07sec 25d11m32.57sec & 55d24m17.68sec
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can you convert these into integers for me please. make it quick. 25d17m28.90sc & 55d18m31.07sec 25d11m32.57sec & 55d24m17.68sec
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9104890 and 19911100.7 9069257 and 19945768
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9104890 and 19911100.7 9069257 and 19945768
plz verify them that .7 is not supposed to come. and also write a function which will convert ge format to int(pix) format.
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plz verify them that .7 is not supposed to come. and also write a function which will convert ge format to int(pix) format.
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sorry the value is 19911107. function to convert ge format? u mean radian to degree format? if so then ok. done
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sorry the value is 19911107. function to convert ge format? u mean radian to degree format? if so then ok. done
sorry degree to radian
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sorry degree to radian
no man, some function like int ConvertGratitoPix(int d,int m,int s,int sf) { return d*60*60*100+m*60*100+s*100+sf; } here graticule in general means latitude and/or longitude. pix refers to an integer.
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no man, some function like int ConvertGratitoPix(int d,int m,int s,int sf) { return d*60*60*100+m*60*100+s*100+sf; } here graticule in general means latitude and/or longitude. pix refers to an integer.
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ok done
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sorry degree to radian
so, your towns bounds are as follows. top-9104890 and left-19911107 bottom-9069257 and right-19945768 now, the width of your town is 19945768-19911107=34661 and height is 9069257-9104890 =-35633 temporarily we will ignore the - sign for height. theresult would be reversed display of the map. we will correct at the end. finally, width=34661 and height=35633 did you understand till here. if so i shall proceed further otherwise ask ur doubt. be quick.
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so, your towns bounds are as follows. top-9104890 and left-19911107 bottom-9069257 and right-19945768 now, the width of your town is 19945768-19911107=34661 and height is 9069257-9104890 =-35633 temporarily we will ignore the - sign for height. theresult would be reversed display of the map. we will correct at the end. finally, width=34661 and height=35633 did you understand till here. if so i shall proceed further otherwise ask ur doubt. be quick.
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yes
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yes
good. now width=34661 and height=35633 it is evident that, if we draw the abovepattern, it will be a rectangle, not a square.for our convinience we want to make it a square. so out of width and height, which is more? obviously height. so we will subtract height-width=35633-34661 =972. means width is 972 units less than height. so if we adjust 972/2 units to the left and 972/2 units to the right of our original rectangle, then it would become a square. now, i want you to explain those caluculations for me. do it fast.
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good. now width=34661 and height=35633 it is evident that, if we draw the abovepattern, it will be a rectangle, not a square.for our convinience we want to make it a square. so out of width and height, which is more? obviously height. so we will subtract height-width=35633-34661 =972. means width is 972 units less than height. so if we adjust 972/2 units to the left and 972/2 units to the right of our original rectangle, then it would become a square. now, i want you to explain those caluculations for me. do it fast.
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what happened are you there? make a habbit of acknowleding my post after you read it. later you can edit it with your comments. i should atleast know weather u r on this job or some thing else?
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modified on Friday, June 19, 2009 7:51 AM
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good. now width=34661 and height=35633 it is evident that, if we draw the abovepattern, it will be a rectangle, not a square.for our convinience we want to make it a square. so out of width and height, which is more? obviously height. so we will subtract height-width=35633-34661 =972. means width is 972 units less than height. so if we adjust 972/2 units to the left and 972/2 units to the right of our original rectangle, then it would become a square. now, i want you to explain those caluculations for me. do it fast.
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ok so wht i understand is the scaling of image inorder to fit it as square.. in programming it is mapping..
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ok so wht i understand is the scaling of image inorder to fit it as square.. in programming it is mapping..
perfect so can you caluculate the left,top,right and bottom of your town in terms of pix data such that it will be a square? be fast. ive got to leave for the day.
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perfect so can you caluculate the left,top,right and bottom of your town in terms of pix data such that it will be a square? be fast. ive got to leave for the day.
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yes i can..ok if its the time for u to leave thn we will continue the class on monday.. thankyou verymuch
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yes i can..ok if its the time for u to leave thn we will continue the class on monday.. thankyou verymuch
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19910639,9104890 19946236,9069257 this would be your town bounds.
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ok thn
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ok thn
now, what is themaximum size of a square that you can draw on your screen? that will be your drawing area of the map.
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