How to choose the right diamond grinding wheel? – Advertising, offers

A diamond wheel is a common tool for sanding concrete, granite, marble and some other materials. It is a kind of metal-bonded diamond tool and consists of some diamond segments and a metal wheel center (often steel). His wheel body often looks like a cup. Diamond grinding wheels are often used in angle grinders and large concrete grinders. The performance of a diamond grinding wheel is mainly determined by its diamond segments consisting of metal binding materials and diamonds. Since different concretes, granites and marbles have different properties, the binding materials and diamonds used in the segments should also be different. If the workpiece is hard, the connection should be softer so that the new diamonds are easier to uncover and participate in the grinding process. If the workpiece is relatively soft, it should be more difficult to hold the diamonds longer to extend the life of the wheel. For more information, please visit the following link: https://adiamondabrasives.com/diamond-cup-grinding-wheel/

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Process Generation – Diamond Square Algorithm – How To Fix Terrible Diamond-shaped Artifacts And Tips?

I've tried to follow this article, which explains how to implement a wrapping version of the Diamond Quadrant algorithm.

I tried to run it with dimensions of 128×128 and a "feature size" of 16, as in the article, but the resulting terrain is this monstrosity: terrible looking noisy terrain

I've read through the earlier questions on this topic and know that there may be issues with some eye-catching diamond-shaped or angular artifacts in this algorithm, but that definitely goes beyond that.

Here is my code:

private float GetHeightAtPoint (int x, int z)
{
if (x <0) {x = width + x; }
if (z <0) {z = height + z; }

Return fractal[(x % (width - 1)) + (z % (height - 1)) * width];
}

private void SetHeightAtPoint (intx, intz, float)
{
if (x <0) {x = width + x; }
if (z <0) {z = height + z; }

fractal[(x % (width - 1)) + (z % (height - 1)) * width] = Value;
}

private void SquareStep (intx, intz, int size, float value)
{
int halfSize = size / 2;

float a = GetHeightAtPoint (x-halfSize, z-halfSize);
float b = GetHeightAtPoint (x + halfSize, z - halfSize);
float c = GetHeightAtPoint (x - halfSize, z + halfSize);
float d = GetHeightAtPoint (x + halfSize, z + halfSize);

float meanHeight = (a + b + c + d) / 4.0f;
Float AdjustedHeight = MediumHeight + Value;

SetHeightAtPoint (x, z, adjustHeight);
}

private void DiamondStep (intx, intz, int size, float)
{
int halfSize = size / 2;

float a = GetHeightAtPoint (x-halfSize, z-halfSize);
float b = GetHeightAtPoint (x + halfSize, z - halfSize);
float c = GetHeightAtPoint (x - halfSize, z + halfSize);
float d = GetHeightAtPoint (x + halfSize, z + halfSize);

float meanHeight = (a + b + c + d) / 4.0f;
Float AdjustedHeight = MediumHeight + Value;

SetHeightAtPoint (x, z, adjustHeight);
}

private void DiamondSquare (int stepSize, Float Scale)
{
int halfStep = stepSize / 2;
for (int z = halfStep; z <height + halfStep; z + = stepSize)
{
for (int x = halfStep; x <width + halfStep; x + = stepSize)
{
SquareStep (x, z, stepSize, Random.Range (-1.0f, 1.0f) * scale);
}
}

for (intz = 0; z <height; z + = stepSize)
{
for (int x = 0; x <width; x + = stepSize)
{
DiamondStep (x + halfStep, z, stepSize, Random.Range (-1.0f, 1.0f) * scale);
DiamondStep (x, z + halfStep, stepSize, Random.Range (-1.0f, 1.0f) * scale);
}
}
}

/ *
* Generate a fractal map using the Diamond Square algorithm and save it in the fractal[]
 * /
private void GenerateFractal (int featureSize)
{
Fractal = new swimmer[width * height];

for (intz = 0; z <height; z + = featureSize)
{
for (int x = 0; x < height; x += featureSize)
        {
            SetHeightAtPoint(x, z, Random.Range(0.0f, maxHeight));
        }
    }

    int sampleSize = featureSize;
    float randomScale = 1.0f;

    while (sampleSize > 1)
{
DiamondSquare (sampleSize, randomScale);

sampleSize = sampleSize / 2;
randomScale = randomScale / 2.0f;
}
}

Could someone give me a guide here? One thing that was a bit suspicious was that I had to create some other wrapper array access functions to do this run because I got negative values. You can see that my functions have the if statements that check for negatives, whereas the original implementation does not.

thank you in advance

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Diamond plates and trading tactics

Diamond plates and trading tactics

A diamond pattern forms after an upward movement of the price. Outbreak is up.
Marking guidelines for diamond plates
Previous price trend. The short-term price trend is about to start
leads to the minor high left. Then prices go down and form one
minor deep before it goes higher again. At the end of September the prices reach a new value
high before cascading down to end below the previous minor lows. Once again,
Prices are rising and forming another peak before they break through
Uptrend line right.
Diamond shape. The fluctuations of small ups and downs form a diamond
Shape when the peaks and valleys connect
Volume trend. The volume trend is mostly in the second half
of the formation, if the price decreases (and the diagram pattern resembles)
a symmetrical triangle).
Breakout volume The breakthrough volume is usually high, but not a requirement
to a neatly named diamond.

If you find a diamond pattern and find that it is a head
Shoulders up, do not worry. In both cases, the formation is bearish. When
When such a collision occurs, choose the formation that makes you more conservative
Performance results (see the measurement rule).
Support and resistance. Support and resistance for diamond shells often
appears at the top of the formation

Target Price Measuring Rule Calculate the formation height by subtracting the lowest lowest value
from the highest high in the formation. For down
Outbreaks, subtract the difference from the place where
Prices penetrate the diamond border. For breakouts up,
add the difference to the breakout price. The result is that
Minimum price movement to be expected. Alternatively often formations
return to the price level from which you start. The base serves as a minimum price movement.
Waiting for breakout For best results, wait for the price to close outside the diamond
Trend line before placing a trading signal.
Risk / Reward Look for Assistance (Risk) and Resistance Zones (Reward)
to place a trade. In these zones, the trend is likely
Pause or even stop. From the current closing price (before the
Breakout), calculate the difference between the zones and the
current price. The ratio of the two must be compelling enough to risk a trade.

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