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    Information display

    Information display

    A screenshot showing the debugging information

    La information displayAlso called the debug menu or the F3 menu, it is activated when we press the F3 or Fn + F3 key on most laptops. Displays chunk data, memory usage, player coordinates, and many other measurements such as Frames Per Second (FPS). It can be very useful to tell other players the position and see the performance of the game.



    Summary

    Legend

    When reduced debugging information is displayed, only featured items are included.

    Name Description[1][2]
    C* Number of chunk sections rendered out of the total number of chunks. Counts all rendering phases: if a chunk section is rendered 2 times (because it contains water and normal blocks, for example) then it will be counted 2 times.
    F* Number of chunk sections loaded out of field of view. Counts all phases of rendering.
    O* Number of chunk sections removed during occlusion culling. Counts all phases of rendering.
    E (second row) Number of entities rendered among the total entities.
    B Unused, it is always 0. Perhaps earlier this was the number of entities removed by hidden chunks.
    I Number of invisible entities.
    P* Number of particles on the screen.
    T* It shows the maximum amount of frames per second ("inf" if it is unlimited) and the types of graphics ("fast" if it is Fast and nothing if they are in Fancy).
    ALL* Shows the number of entities loaded (including mobs and dropped items).
    MultiplayerChunkCache* Most chunks to be loaded.
    X Y Z X: Player position in blocks to the East of 0,0 (Negative values ​​are to the West)

    Y: Player's altitude in blocks (63 (62.9) is world ocean level, 11 (10.9) is world lava level, 32 (31.9) is underworld lava level).
    Z: Player position in blocks to the South of 0,0 (Negative values ​​are to the North).



    Block The coordinates of the block the player is in, in xyz format. Much like the XYZ above, excluding decimal digits after the decimal point.
    Chunk* The position of the player within a chunk, and the position of the chunk within the world. In reduced mode (options ...> chat ...), only the position within the chunk is shown.
    Facing The direction the player is looking at. The alignment is indicated by the arrows X and Y. The 2 numbers at the end indicate the horizontal and vertical position of the player.
    Biome It shows you the Biome you are in.
    Light The first digit is the total lighting level of the block you are on.

    The second digit is the amount of light from the sky on the block where your feet are.
    The third digit is the amount of light coming from other blocks (eg from a torch) in the block where your feet are.

    Local Difficulty Shows the difficulty of the chunk the player is in. See Difficulty to see how this works. It is tracked by the number of in-game days the player has spent, see Day and Night Cycle for more information.
    Looking at It shows you the coordinates the player is looking at. If the player is not looking at any block, this section does not appear

    Profiler graph

    The Profiler graph are pie charts in the lower right part of the Information Screen, which can be displayed with ⇧ Shift + F3, and show a real-time analysis with information on the execution of the game.
    Thanks to these graphs you can see which parts of the game consume the most percentage of the CPU. You can see more information about each section by scrolling using the 1-9 keys. By pressing 0 you can go back to the previous section.



    More debugging keys and information

    • F3 + A: Reload all terrain portions.
    • F3 + B: Toggle visibility of entity collision boxes. In version 1.8 it shows with a blue line the direction in which the entities look.
    • F3 + C: Make a hang-up report (press the keys for 10 seconds). [3]
    • F3 + D: Clear chat history (including written messages and commands).
    • F3 + H: Toggle item IDs, tool durability, armor color, and map size.
    • F3 + P: Automatically toggle Minecraft pause when minimizing the game window.
    • F3 + T: Reload textures and models.
    • F3 + S: Reload all sound engines and resources.
    • F3 + Q: Show the list of debugging controls and information.
    • F3 + G: Show the edges of the terrain portions.

    Legend before 1.8

    Name Description [4] [5]
    C Number of terrain slices loaded and rendered over a number of generated terrain slices.
    F Number of chunks loaded beyond the render distance limit.
    O Number of chunks removed by occlusion culling.
    E Number of empty chunks. And also the number of entities rendered.
    B Unused, always dial 0.
    I Number of invisible entities.
    P Number of particles.
    T Without use.
    ALL Shows total entities loaded (including mobs and dropped objects).
    ServerChunkCache
    ChunkCache
    The chunks generated on a server.
    x Coordinates of the player of the X axis (from East to West) and after // it shows the current chunk and in () the block of the chunk in that axis.
    y The player's altitude in blocks.
    z Coordinates of the player of the Y axis (from North to South) and after // it shows the current chunk and in () the block of the chunk in that axis.
    f The direction the player is facing (south = 0, west = 1, north = 2, east = 3).
    lc The maximum height of the chunk you are in. (Use cubic chunk sections, then the height will be displayed in multiples of 16 minus 1.)
    b Shows the biome the player is in.
    bl (it means "block light ") The amount of light from other blocks (eg torches) in the block where your head is. If you stand on a torch, this field will show a light level of 13 instead of the expected 14, because your head is a block away from it.
    sl (it means sky light) The amount of light from the sky and from the block where your head is. Note that the displayed number is only accurate during the day. It shows the level of light the block would get from the sun in full daylight, but does not account for lower levels at night or during a storm.
    rl (for raw light) The total level of light where your head is, equal to max (bl, sl). Note that, because the "sl" field is factored here, it has the same caveats as that.
    ws Walking speed.
    fs Flight speed.
    g On the ground, it is a Boolean value, true if the player touches the ground.
    fl The y-coordinate of the tallest block where the player can stand, rounded off when standing on medium blocks, such as Slabs. When you are over the void (where there are no blocks), it will show 0.

    History

    Information display

    Debug information from Indev, Infdev and the early Alpha phases.



    Curiosities

    • Lc, Biome, and light values ​​are not displayed when you are in a vacuum or above y = 255 (in the Overworld)
    • When activated in the nether, the "B" (for biome) shows the Hell / Underworld biome. In The End, until version 1.8 (snapshot 14w17a) it showed the Sky / Sky biome, it may be because The End was originally the Celestial Dimension.
    • When used in a chunk that was created before Alpha 1.2 (when there were no biomes), field B will show Ocean / Ocean.
    • Deeper in the Shift + F3 debugger menu, some tasks will have numbers greater than 9 that are not accessible. Pressing both keys simultaneously will not open the task.

    1. ↑ http://gaming.stackexchange.com/questions/14990/minecraft-debug-screen
    2. ↑ http://www.minecraftforum.net/viewtopic.php?f=35&t=13231
    3. ↑ https://bugs.mojang.com/browse/MC-942
    4. ↑ http://gaming.stackexchange.com/questions/14990/minecraft-debug-screen
    5. ↑ http://www.minecraftforum.net/viewtopic.php?f=35&t=13231
    indev
    ?The debug menu only had what we know as "the top with all the numbers." This information screen could not be activated with F3, but it could be activated from the game options.
    alpha
    1.1.0The debug menu was no longer displayed as an option and it was now required to press F3 to activate it.
    1.2.3The coordinates were added to the debug menu.
    beta
    1.3The debug menu, along with other function keys, became an option.
    When the debug menu opened, it would show numbers on each mob; these numbers were his Entity ID. These numbers were visible through the blocks, making the F3 menu very useful for searching for mobs.
    1.7The "f" coordinate was made visible in the debug menu. It showed the direction of view.
    1.8The ability to see the seed of the world was added.
    The IDs of the mobs that were displayed on them have been removed. The reason was that many players thought it was cheating and that it took the challenge out of the game.
    release
    1.2.11.2.0preInformation about the biome and light level of the player's location was added. The seed in multiplayer was hidden, showing as "0".
    1.2.4Pressing F3 (Fn + F3 on Macs and some laptops) shows the debug menu but without the CPU usage graphs. The graphs appear when you press ⇧ Shift + Fn (Fn + Shift + F3).
    1.3.112w18aInformation about the player's speed and whether the player is touching the ground were added.
    Coordinates are now rounded to 5 digits.
    12w21aThe information about the world seed was removed, now showing when pressing the chat key and typing "/ seed".
    1.4.212w39aFl, xyz coordinates of the chunk, plus more rotation information (f) were added.
    1.814w02aNow show which axis you are looking at after the cardinal direction: "Seeing positive / negative X / Z".
    14w04aThe staff will show 3 short colored lines to indicate the direction of each axis: x / red, y / green, z / blue.
    The x coordinate line will now be shown in bold when viewed east / west; similarly, the z coordinate line will be bold when viewed south / north.
    14w05aThe text now has a background.
    X, y, z, b, bl and other labels were replaced with more understandable ones.
    "Light" now shows the light levels at the player's feet, not their eyes.
    14w06aThe caption of X, Y, Z have been changed from 'Feet' in the previous snapshot, to 'XYZ'.
    Added a day counter, which increases for every 1 sunrise.
    Now it shows the difficulty: Pacific - 0.00, Easy - 0.75, Normal - 1.50, Hard - 2.25 (but the numbers slowly increase the longer one is in an area).
    Now shows the player's rotation in degrees and quadrants.
    14w11aOn the right-hand side, a small screen shows if you are viewing a block, showing its ID and status.
    14w17aAll blocks now have their information displayed on the right-hand side of the F3 menu.
    Removed "Displaying positive / negative X / Z" from the F3 menu.
    14w20aThe "Displaying positive / negative X / Z" is added again.
    14in25bF3 + B now shows the direction in which the entities are viewing by showing a blue line.
    The screen on the right-hand side that displayed the name of the block and its model was removed.
    14w29aA 'Reduced Debug Information' option is added in multiplayer options to enable / disable reduced information in the debug menu.
    The reducedDebugInfo gamerule allows you to enable / disable the reduced debug information in the debug menu. This overwrites all the 'Reduced Debug Information' options chosen on the client.
    14w30aNow it shows how many chunk sections are currently being rendered, and how many chunk sections are out of sight as a percentage; the OpenGL version, screen size, vendor and GPU.
    "Vanilla" was added to the version number.
    1.915w42aA note has been added that says the button to see the fps menu, there is also another sentence that says that with F3 + Q you can see all the combinations of F3 +.
    end
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