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Thread: How-to topics and FAQ about Capturing, Posting and Interpreting Images

  1. #1
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    Default Adding emphasis to SI/DI screenshots

    Here is a simple way of adding graphical emphasis to your SI/DI screenshots before posting to the forum...(Windows based system)

    *Open Microsoft Paint, Open Office Draw (or other artist rendering program)...

    *Left Click "File" in the upper left corner...

    *Left Click "Open" from the dropdown menu...

    *In the window that opens, navigate to the picture (SI/DI screenshot) where it is stored on your computer...(screenshots are usually already in the .png format which can be opened in the Paint or Draw program)...

    *Left Click on the picture to insert it's address into the "File name" field...

    *Left Click "Open" (the picture should open into the Paint program)....

    *Add graphics, text, highlights, etc. to the picture using the tools in the Paint program....

    *Left Click "File" in the upper left hand corner....

    *Left Click "Save As" from the dropdown menu...

    *In the window that opens,
    a. change the address field to a place on your pc where you will know to find the new edited picture (example-Desktop)
    b. change the "file name" field to something you will recognize
    c. change the "save as type" field to *.jpg; *.jpeg; *.jpe; *.jfif

    *Left Click "Save"...

    *Your new edited screenshot is ready to use your normal method of posting pictures to the forum...ie. Photobucket, direct upload, etc..

    Rickie
    www.podunkideas.com <--Click here
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  2. #2
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    Default HB "Screen Snapshot" to Crappie.com forum -tutorial

    Here are the steps to take a HB screen snapshot and get it into the Crappie.com forum...

    Section 1: Taking a screen snapshot on the HB unit
    1. Insert SD card into the HB unit... (This only works for HB units that have the "Screen Snapshot to Memory Card" feature)...
    2. Click "Menu" twice on the head unit to get into the Main Menu system...
    3. Cursor over to the "Accessories" tab...
    4. Cursor down to "Screenshot"...
    5. Cursor over to "On"...
    6. Click "Exit" repeatedly on the head unit until escape from Main Menu System...
    7. Click "Mark" on the head unit to save screen snapshot to SD card....(this will also create a waypoint at the boat's location)...

    Section 2: Transferring HB screen snapshots from SD card to pc
    1. Remove SD card from head unit...
    2. Insert SD card into your computer's card reader (Note: SDHC compatable card reader will read SD & SDHC cards- Older SD compatable card reader will only read SD card)...
    3. If popup window with SD card content files opens, skip to Step 6...If popup window with SD card contents files does not automatically open-continue with Step 4....
    4. Double left click "My Computer" on your pc's desktop...
    5. Double left click on the drive that represents the pc's card reader...
    6. The window that opens will have the following files:
    "Matrix" - this is the navigation data (if you have exported any Nav data to the card)
    "Profile" - this is the unit information
    "Snapshot" - this is the screen snapshots (if you made any)
    "Record" - this is the recordings (if you made any)
    7. Double left click on the "Snapshots" folder...(the files with the .png extension are the snapshots)...
    8. You can double left click on the .png file and open it directly from the card...
    9. You can "drag and drop" these files onto your pc's Desktop (or move them into any file on your pc you choose)...

    Section 3: Uploading HB screen snapshots from pc to Crappie.com forum
    *Photobucket method... Posting pics - Photobucket method

    *WYSIWYG Editor method... How to post pictures from your computer

    Rickie
    Last edited by CatFan; 09-12-2012 at 10:44 AM.
    www.podunkideas.com <--Click here
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  3. #3
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    Default Understanding HB SI/DI sonar beam shapes (in HB "SI" series units)

    This is an edited repost I did in 2011 that contains info that could be useful to those learning HB SI/DI...(in the HB "SI" series units)...

    (All of the info and depictions below only apply to the HB 797, 798, 898, 997, 998, 1197, 1198...)

    Quote Originally Posted by rnvinc View Post
    Let's play with some picture diagrams of different sonar beam shapes..

    This may help some understand the differences in the various beam selections....

    Remember that just because the outside line of the beam in the "cartoon" shows the beam stopping at a certain point in the water...the sonar doesn't just go to that line and stop...it kinda feathers out onward past the line some... ....the actual outside lines in the "cartoons" are more like the best effective shape of the beam...

    Below is the 455 SI/DI beam...


    Below are the shapes of the 455 vs the 800 SI/DI beams....(2d beams 200 and 83 are also shown in the center directly under the boat ....

    Below is a pictoral of how objects are depicted in the SI image with relation to where that object actually is in the water...




    Rickie
    www.podunkideas.com <--Click here
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  4. #4
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    Exclamation How-to topics and FAQ about Capturing, Posting and Interpreting Images

    I'm going to stick this thread and migrate topics which will be of wide interest having to do with the process of capturing images, interpreting what you see and getting them posted on here for others to see.

    I will lock this thread to avoid the good stuff being cluttered with questions and discussions. If you have questions, please start a new topic. You'll get better exposure, this topic will remain easy to view, and I'd bet some of those new topics will lead to new entries here.

  5. #5
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    Default SI interpretation...in 3d - (tutorial)

    Note: this post was copied from http://www.crappie.com/crappie/side-...-tutorial.html where you may find more discussion.

    SI interpretation is sometimes difficult for new users...this is basically because the visual perspective of the SI image is different from any sonar display we've ever seen before...

    The difficulty in SI display interpretation lies in the fact that the SI display image is a 2 dimensional aspect image of a 3 dimensional underwater world...

    Sonar displays are incapable of rendering a true 3 dimensional image.... (well I guess just about any display in incapable of rendering a "true" 3 dimensional image)...

    So,.... the SI techno-developers decided to "bend the rules of 2 dimensional displays" and take 1 of the 3 dimensions of the physical underwater world and display it in the same "visual" plane in the SI image as the other 2 dimensions in the sonar display....

    There are "3" dimension planes in the actual physical underwater world:
    - 1. "Horizontal width"- (rendered into the SI image by the SI Range width that shows as "left and right" on the SI image)...
    - 2. "Horizontal length"- (rendered into the SI image by the sonar history that shows as "top to bottom" of the SI image)...
    - 3. "Vertical depth"- (rendered into the SI image by taking the actual vertical plane of the "water column" and laying it flat down in the same 2 dimensional plane on the sonar display as the 2 horizontal planes mentioned above...

    What I have tried to do with this 3d rendering program is show how the SI unit processor takes the actual vertical "water column" in the underwater world .... and morphs that actual vertical plane data into a 2 dimensional sonar display...

    It is my goal to shorten the "learning curve" of SI interpretation for new users that are having difficulty understanding the "3 dimensional underwater world" as seen on the "2 dimensional sonar display's SI image"...

    As you watch this video... Keep your eyes trained on the sunken barge in the right SI beam as the "water column" morphs from the 2 dimensional sonar display image to the actual vertical plane of "water depth" in a 3 dimensional visual aspect ....and then the morphs back into the 2 dimensional SI image...



    Rickie
    Last edited by CatFan; 08-20-2012 at 10:30 AM.
    www.podunkideas.com <--Click here
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  6. #6
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    Default Understanding the SI "dark water column"...

    Note: this post was copied from Understanding the SI "dark water column"... where you may find more discussion.



    The SI image "dark water column" has frequently been a topic that is difficult to interpret... and even more difficult to explain....

    One of the first things to understand is how the SI unit processor takes a 3 dimensional underwater world and renders it into a 2 dimensional display...
    (for info understanding the SI image rendered into 3d...see...
    SI interpretation...in 3d - (tutorial)

    Once we have a grasp on how the unit takes the "vertical dimension" water column (that resides somewhere under our boat) and lays it down flat in the SI image.... then the question arises... What exactly is this "dark water column" and what is it comprised of...??

    With a lot of help and advice from some of the guys over at
    Humminbird Side Imaging Forums


    I hope that the following depictions will give a little better understanding of What exactly is this SI "dark water column"...??

    I will refrain from a long drawn out tutorial at first.... and just post the diagrams (one for the 455kHz SI beam and one for the 800kHz SI beam)....

    Then, as questions are posted, maybe we all can get a better understanding of ...

    What exactly is this SI "dark water column"...??

    This is the depiction for the the 455kHz SI beam...


    __________________________________________________ _______________________________

    This is the depiction for the 800kHz beam...



    Rickie


    Last edited by CatFan; 01-07-2013 at 03:56 PM.
    www.podunkideas.com <--Click here
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  7. #7
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    Default Determining Fish Size With Side Imaging

    Note: this post was copied from http://www.crappie.com/crappie/side-...e-imaging.html where you may find more discussion.

    One thing I have learned while using SI is how to determine fish size. Crappie on SI don't reveal a large return because they are a small fish (of course) but also because of their shape. If you think about SI and how it is a thin beam that when objects are scanned they return a signal. I try to think about it this way.. Think about a water fall of smooth flowing water. If you stick a football (representing a striped bass) in the waterfall you will make a pretty big hole in the wall of water. If you stick a frisby vertically (representing a crappie) in the waterfall you will have much less of a return due to the thickness and shape. I believe the same holds true to fish size and returns on SI. The football size thick fish will return a larger round dot and cast a nice shadow in SI. The vertical frisby shaped fish will return a much smaller dot and small shadow (if any). Just something to keep in mind. Also remember to compare size to scanned distance. If you are scanning 100 feet, your returns will be much smaller than scanning at 50 ft.

    Gar seem to return a long return since they are long hard fish. Catfish seem to return your biggest and brightest returns since they are long, hard, and FAT!.

    Below are some examples of fish type. Most of these are confirmed by catching them. The gar images are confirmed by visually seeing them rolling all across the surface. The catfish images have not been confirmed but I feel pretty sure about them.

    Striped Bass









    Gar











    Crappie













    Catfish







    DoubleG
    Last edited by CatFan; 08-20-2012 at 10:29 AM.

  8. #8
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    Default Using Your Humminbird Unit on AC Power


    Note: this post was copied from http://www.crappie.com/crappie/side-...-ac-power.htmlwhere you may find more discussion.




    Things you will need:

    *AC to DC converter...(minimum 1amp output)...Walmart Mobile



    *HB PC-11 power cord... PC 11 :: Humminbird



    * 3 amp fuse and holder... (I like the blade type)...*Fuse, Blade, 3 Amp/12 Volt



    *HB unit that supports "Video Out"... (this step only necessary for hooking HB unit to an external monitor)...

    *HB VC-1 cable.... VC 1 :: Humminbird

    (this step only necessary for hooking a HB unit to an external monitor)...
    ______________________________________________

    Building the AC to DC converter
    1. Disassemble the female cigarette plug of the AC to DC converter to confirm which wire goes to the positive (+) center post of the cigarette plug...mark this wire as positive (+)...

    2. Wire the 3 amp fuse holder into the positive (+) wire when wiring the AC to DC converter to the HB PC-11 power cord....
    ______________________________________________

    Powering on the HB unit with AC to DC adapted converter
    1. Power on the unit...

    2. While the welcome screen is showing...press "Menu" on the unit face..

    3. Of the options listed ... Cursor to "Simulator"....

    4. Cursor right to activate "Simulator" mode....

    5. Press "Exit" to enter "Simulation" mode
    ______________________________________________

    Connecting and setting up the "Video Out" connection
    1. Plug HB VC-1 cable into back of unit...

    2. Plug RCA cables into the monitor's RCA "Video In" ports..(not really sure why there is a white "audio" plug on the VC-1)...

    3. Set the monitor's input setting to the "Video" setting for appropriate "Video In" ports chosen...

    4. On the HB unit... Press "Menu" twice to get into the main menu system..

    5. Cursor over to the "Setup" tab...

    6. Cursor down to "Video Out"...

    7. Cursor right to "NTSC"...
    _______________________________________________

    Functionality:
    1. Make settings changes that will be set into memory...(Must be in "Forced Simulation" mode)...

    2. View snapshots and recordings from an inserted SD card that contains saved snapshots and recordings...

    3. View map data...(HB base map or inserted SD mapping card)...

    ... To view or mark waypoints on a different area of the map from the present simulation view:
    a. zoom out until the area desired shows on the map..
    b. activate and move the 4way cursor to the desired area...
    c. zoom in to the desired zoom level
    d. press "Mark" button on the unit face to create a waypoint at the cursor location
    e. press "Exit" on the unit face to return to the original simulation area of map where boat icon was last before activating 4way cursor...

    Rickie








    Last edited by CatFan; 01-07-2013 at 03:51 PM.
    www.podunkideas.com <--Click here
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  9. #9
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    Default How-to topics and FAQ about Capturing, Posting and Interpreting Images

    Note: this post was copied from Interpreting structure by it's "shadow" where you may find more discussion

    Here are 2 snapshots...

    The 1st snapshot is the .PNG directly from my 1197... (taken on my HB unit from 1 of my saved HB recordings)
    The 2nd snapshot is the exact same coverage of bottom ...(taken during playback within the Humviewer program)

    There are 2 things I hope to accomplish with this posting...
    1. Show how to notice and identify structure by the shadow it casts..instead of the structure itself....
    2. Show the value of using Humviewer for practice in learning SI interpretation...("ff" and "rew" work so much better in HV than in the HB unit)

    (I left the info boxes off the HB .PNG to keep the shot from being too cluttered)




    Rickie
    Last edited by CatFan; 01-07-2013 at 03:45 PM.
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  10. #10
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    Default How-to topics and FAQ about Capturing, Posting and Interpreting Images









    Sharpness takes away from crisp shots but much better results at slower speeds...thx kosmo

    Noticed the fish at the bottom edge of the bed and a small group just inside. Anchored off and fished those two spots and got some keepers.




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