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Type: Posts; User: TEWarehouse

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    OpenGL and OpenCV not matching up

    Using OPENCV to show an image (jpg etc)

    Using OPENGL to draw on this image. Specifically drawing trace lines around the edges of the drawing.

    When i scroll left/right and up/down my OpenGL...
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    Want to use TTF

    I have a graphics/drawing type program

    Using OpenGl for the 3D. Using OpenCV for object recognition, etc.

    I want the user to be able to add TTF text to their images. I also want to be able to...
  3. I have more info on this.... The exact...

    I have more info on this....

    The exact error/crash is 0xC0000005 Access Violation

    Doing some Google work its possible its a hardware problem. Not sure yet.

    So, i copied my Release EXE file...
  4. Well when i do that the program crashes and i get...

    Well when i do that the program crashes and i get an Access Expectation error but, i really don't see any debug info...

    glRasterPos2f(m_pWindowOrg.x,m_pWindowOrg.y); //WORKS!!!!

    ...
  5. glRasterPos2f && glDrawPixels && Windows Points

    Does anyone have an idea on what im missing here?

    Im rastering to the window center point to make sure to stay within my clipping range so my image doesn't disappear when zooming/panning , etc.
    ...
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    Besides that, is there a problem with calling the...

    Besides that, is there a problem with calling the glBegin/glEnd say 6000 times? Otherwise, is there another way with doing the line stipple? I have thousands of lines to draw all in an array and a...
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    I was assuming i had to do something like...

    I was assuming i had to do something like that.... If anyone has some simple examples i would love to see them before doing a Google search....
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    Text, Fonts, etc

    I have a program that is displaying with openGL.

    Its a graphics program very similar to a Photoshop or Corel type program.

    Im also using OpenCV (to do a lot of my image manipulations, and other...
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    LINE_STIPPLE problem

    I am drawing an array of lines.

    I have some lines that need to be stippled and the rest just regular lines.

    Im doing something like this (i just hand coded this obviously)
    ...
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    PROBLEM SOLVED..... 1 - i didnt realize that...

    PROBLEM SOLVED.....

    1 - i didnt realize that glOthro does the scaling for me. I originally had the glscale there because i was using projection (i think) like the old code i posted.

    2 - What i...
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    Sorry. I provided you the wrong code. All that...

    Sorry. I provided you the wrong code. All that code above i went ahead removed from the program because i wasn't calling it anymore.

    I set ASPECT to 1 because i did not want the window size to...
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    Im doing 3D which is why i choose OpenGl but, my...

    Im doing 3D which is why i choose OpenGl but, my problem is with the 2D world. Im not concerned with 3D because i use 3D only to display the image and at that point, the matching coordinates do not...
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    OPENGL and MFC CDC

    I wrote a pretty big graphics program a while back that uses CDC for drawing.

    I wanted to do some 3D stuff among dozens of other things so, i installed OPENGL in replace of my CDCs

    I have more...
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    Yeah that make sense. Can i change the end...

    Yeah that make sense.

    Can i change the end point of the cylinders so they 'tilt'?

    Is there a GLUCYLINDER function i can copy and paste and modify to do what i need it to do?
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    gluCylinder - joining

    I have several gluCylinders in a row basically one after another to create a tube effect that turns, etc.

    everything looks and works fine.

    However there are spaces between the cylinders. How...
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