ResInsight/calculated-data/calculatorexpressions/index.html

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        Well Paths

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        Create Well Paths

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        Create Multilaterals Well Paths

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        3D Well Log Plots

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        Completions

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        Ensemble Fracture Statistics

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        Completions LGR

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        Well Measurements

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          Import

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        Eclipse Cases

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        Eclipse Summary Data

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        Ensemble File Dialog

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        ROFF Grid Models

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        Seismic Data

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        Log ASCII Standard File

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        Geomechanical Data

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        SourSimRL Results

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        Element Property Table

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      <li data-nav-id="/import/observeddata/" title="Observed Time History Data" class="dd-item ">
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        Observed Time History Data

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    </li>


      <li data-nav-id="/import/pressuredata/" title="Pressure/Depth Data" class="dd-item ">
        <a href="/import/pressuredata/">
        Pressure/Depth Data

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    </li>


      <li data-nav-id="/import/appendingadditionalproperties/" title="Appending Additional Properties" class="dd-item ">
        <a href="/import/appendingadditionalproperties/">
        Appending Additional Properties

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    </li>


      <li data-nav-id="/import/pasteexceltimedata/" title="Paste Excel Time History Data" class="dd-item ">
        <a href="/import/pasteexceltimedata/">
        Paste Excel Time History Data

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    </li>


        </ul>

    </li>


    <li data-nav-id="/export/" title="Export" class="dd-item


        ">
      <a href="/export/">
          Export

      </a>


        <ul>


      <li data-nav-id="/export/snapshots/" title="Snapshots" class="dd-item ">
        <a href="/export/snapshots/">
        Snapshots

        </a>
    </li>


      <li data-nav-id="/export/eclipseproperties/" title="Eclipse Properties" class="dd-item ">
        <a href="/export/eclipseproperties/">
        Eclipse Properties

        </a>
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      <li data-nav-id="/export/fluxnummultnum/" title="FLUXNUM/MULTNUM" class="dd-item ">
        <a href="/export/fluxnummultnum/">
        FLUXNUM/MULTNUM

        </a>
    </li>


      <li data-nav-id="/export/completionexport/" title="Completions" class="dd-item ">
        <a href="/export/completionexport/">
        Completions

        </a>
    </li>


      <li data-nav-id="/export/exportwellpaths/" title="Well Paths" class="dd-item ">
        <a href="/export/exportwellpaths/">
        Well Paths

        </a>
    </li>


      <li data-nav-id="/export/sectormodel/" title="Sector Model" class="dd-item ">
        <a href="/export/sectormodel/">
        Sector Model

        </a>
    </li>


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        <a href="/export/contourmapexport/">
        Contour Map Export

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    </li>


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        <li><a href="#operators-and-functions">Operators and Functions</a>
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            <li><a href="#assignment-operators">Assignment Operators</a></li>
            <li><a href="#basic-operators">Basic Operators</a></li>
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            <li><a href="#scalar-functions">Scalar Functions</a></li>
            <li><a href="#trigonometry-functions">Trigonometry Functions</a></li>
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            <h1>

              Calculator Expressions
            </h1>


<p><img src="/images/calculated-data/calculator-text-expression.png" alt=""></p>
<p>Two similar calculators use expressions, summary curve calculator and grid cell calculator. These two variants share the text parsing for calculator expressions.</p>
<p><a href="/calculated-data/gridpropertycalculator/">Grid Property Calculator</a></p>
<p><a href="/calculated-data/curvecalculator/">Summary Curve Calculator</a></p>
<p>ResInsight supports a subset of the features supported in the <strong>exprtk</strong>  parsing library. Scripting features like for/while loops are not supported. The full documentation for the expression parser is available at <a href="https://github.com/ArashPartow/exprtk">C++ Mathematical Expression Toolkit Library</a></p>
<h2 id="operators-and-functions">Operators and Functions</h2>
<p>Possible operations and functions are found by right-clicking in the expression window.</p>
<h3 id="comment-lines">Comment lines</h3>
<p>Create a  comment line by prefixing with <code>//</code> or <code>##</code></p>
<pre tabindex="0"><code>// Valid comment line 2
## Valid comment line 1
</code></pre><h3 id="assignment-operators">Assignment Operators</h3>
<table>
<thead>
<tr>
<th>OPERATOR</th>
<th>DEFINITION</th>
</tr>
</thead>
<tbody>
<tr>
<td>:=</td>
<td>Assignment</td>
</tr>
</tbody>
</table>
<pre tabindex="0"><code>## Example
MY_VARIABLE := b + c
</code></pre><h3 id="basic-operators">Basic Operators</h3>
<table>
<thead>
<tr>
<th>OPERATOR</th>
<th>DEFINITION</th>
</tr>
</thead>
<tbody>
<tr>
<td>+</td>
<td>Addition</td>
</tr>
<tr>
<td>-</td>
<td>Subtraction</td>
</tr>
<tr>
<td>*</td>
<td>Multiplication</td>
</tr>
<tr>
<td>/</td>
<td>Division</td>
</tr>
<tr>
<td>%</td>
<td>Modulus</td>
</tr>
<tr>
<td>^</td>
<td>Power</td>
</tr>
</tbody>
</table>
<pre tabindex="0"><code>## Example
a := (b * c) + d / 10.5
</code></pre><h3 id="conditionals">Conditionals</h3>
<p><strong>if-then-else</strong> statements can be used to assign values based on the individual values in a vector. The following case will assign 0.01 if the <strong>TRANX</strong> is below 0.01, else copy the original <strong>TRANX</strong> value.</p>
<pre tabindex="0"><code>## Example
NEW_TRANX := if((TRANX &lt; 0.01), 0.01, TRANX)
</code></pre><h3 id="scalar-functions">Scalar Functions</h3>
<table>
<thead>
<tr>
<th>FUNCTION</th>
<th>DEFINITION</th>
</tr>
</thead>
<tbody>
<tr>
<td>avg</td>
<td>Average</td>
</tr>
<tr>
<td>max</td>
<td>Maximum</td>
</tr>
<tr>
<td>min</td>
<td>Minimum</td>
</tr>
<tr>
<td>sum</td>
<td>Sum</td>
</tr>
</tbody>
</table>
<pre tabindex="0"><code>## Example: Use the accumulated sum for all PORV values to compute the normalized PORV
NORMALIZED_PORV := x/sum(PORV)
</code></pre><h3 id="trigonometry-functions">Trigonometry Functions</h3>
<table>
<thead>
<tr>
<th>FUNCTION</th>
<th>DEFINITION</th>
</tr>
</thead>
<tbody>
<tr>
<td>acos</td>
<td>Arc cosine (in radians)</td>
</tr>
<tr>
<td>acosh</td>
<td>Inverse hyperbolic cosine (in radians)</td>
</tr>
<tr>
<td>asin</td>
<td>Arc sine (in radians)</td>
</tr>
<tr>
<td>asinh</td>
<td>Inverse hyperbolic sine (in radians)</td>
</tr>
<tr>
<td>atan</td>
<td>Arc tangent (in radians)</td>
</tr>
<tr>
<td>atanh</td>
<td>Inverse hyperbolic tangent (in radians)</td>
</tr>
<tr>
<td>cos</td>
<td>Cosine</td>
</tr>
<tr>
<td>cosh</td>
<td>Hyperbolic cosine</td>
</tr>
<tr>
<td>cot</td>
<td>Cotangent</td>
</tr>
<tr>
<td>csc</td>
<td>Cosecant</td>
</tr>
<tr>
<td>deg2rad</td>
<td>Convert x from degrees to radians</td>
</tr>
<tr>
<td>deg2grad</td>
<td>Convert x from degrees to radians</td>
</tr>
<tr>
<td>rad2deg</td>
<td>Convert x from radians to degrees</td>
</tr>
<tr>
<td>grad2deg</td>
<td>Convert x from radians to degrees</td>
</tr>
<tr>
<td>sec</td>
<td>Secant</td>
</tr>
<tr>
<td>sin</td>
<td>Sine</td>
</tr>
<tr>
<td>sinc</td>
<td>Sine cardinal</td>
</tr>
<tr>
<td>sinh</td>
<td>Hyperbolic sine</td>
</tr>
<tr>
<td>tan</td>
<td>Tangent</td>
</tr>
<tr>
<td>tanh</td>
<td>Hyperbolic tangent</td>
</tr>
</tbody>
</table>
<h3 id="vector-functions">Vector Functions</h3>
<table>
<thead>
<tr>
<th>FUNCTION</th>
<th>DEFINITION</th>
</tr>
</thead>
<tbody>
<tr>
<td>abs</td>
<td>Absolute value</td>
</tr>
<tr>
<td>ceil</td>
<td>Rounding up</td>
</tr>
<tr>
<td>floor</td>
<td>Rounding down</td>
</tr>
<tr>
<td>frac</td>
<td>Fractional portion of input</td>
</tr>
<tr>
<td>log</td>
<td>Natural logarithm</td>
</tr>
<tr>
<td>log10</td>
<td>Base 10 logarithm</td>
</tr>
<tr>
<td>pow</td>
<td>Power</td>
</tr>
<tr>
<td>round</td>
<td>Round x to the nearest integer</td>
</tr>
<tr>
<td>sgn</td>
<td>Sign of x, -1 where x &lt; 0, +1 where x &gt; 0, else zero</td>
</tr>
<tr>
<td>sqrt</td>
<td>Square root</td>
</tr>
<tr>
<td>trunc</td>
<td>Integer portion of input</td>
</tr>
</tbody>
</table>


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