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<meta name="Keywords" content="KLayout OASIS GDS2 viewer editor layout semiconductor mask chip design" /> |
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<meta name="abstract" content="KLayout is a free layout viewer and editor for several formats commonly used in the semiconductor industry to transfer layout data" /> |
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<div class='klayout-generated-doc'><p class="navigator"><b>KLayout Documentation (Qt 5): </b><a href="../index.html">Main Index</a> » <a href="index.html">KLayout User Manual</a> » <a href="basic.html">KLayout Basics</a> » Doing Measurements</p><h1>Doing Measurements</h1><a name="k_1"></a><a name="k_2"></a><p> |
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A measurement can be performed by clicking on the ruler icon in the |
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toolbar and selecting "Ruler" from the drop-down options. |
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Left-click on a point in the layout and then left-click again to |
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specify the second point. A ruler will be shown that indicates |
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the distance measured. |
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</p><p> |
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A more convenient way is provided with the single-click measurement |
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ruler. Select "Measure" from the drop-down options of the ruler symbol. |
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In this mode, a single click will set a ruler to the specified |
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position. This feature will look for edges in the vicinity of the |
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ruler and set the ruler to connect the neighboring edges. The ruler |
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is attached perpendicular to the edge next to the initial point. |
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</p><p> |
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You can mark a position with a single click by selecting the "Cross" |
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ruler type. Clicking at a location will place such a ruler. The ruler |
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shows the x and y coordinate. |
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</p><p> |
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The "Multi-Ruler" allows concatenating multiple rulers into a single |
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object. Click and the first point to start such a ruler. Then click |
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on more points to add new segments to the ruler. Each segment is shown |
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as an individual ruler with tick marks and a length. Finish the sequence |
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with a double-click. |
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</p><p> |
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The "Angle" ruler allows angle measurements. Three clicks are required |
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to define a "V" like arrangement of two rulers. The angle enclosed by the two lines forming the "V" |
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is shown in the ruler. |
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</p><p> |
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Another special ruler, the "Radius" ruler is also a three-click type. |
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Specify three points to define a circle. The ruler shows the radius |
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of this circle and the circle outline. |
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</p><p> |
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Rulers can be configured in manifold ways. Use "Rulers And Annotations Setup" |
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in the "Edit" menu to open the ruler configuration dialog. |
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A ruler can be |
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made to snap to edges of objects by selecting "Snap to edge/vertex". |
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Ruler orientations can be constrained by using the "Angle Constraint" |
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options. The number of rulers can be limited using the "Limit |
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number of annotations" setting. |
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</p><p> |
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While drawing or moving one point of a ruler, the direction constraint |
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can be overridden with the Shift and Ctrl keys: pressing Shift while moving the |
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mouse will enforce orthogonal constraint, Ctrl will enforce diagonal constraint |
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while pressing both will release any direction constraint. |
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</p><p> |
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All rulers can be cleared using the "Clear all rulers" function from the |
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"Edit" menu. |
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</p><p> |
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Ruler dragging can be canceled with the "Esc" key or using the "Cancel" |
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function from the "Edit" menu. |
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</p><p> |
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Rulers can be moved by selecting "Move" mode with the speedbar buttons |
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in the toolbar or "Move" from the "Mode" sub-menu in the "Edit" menu. Then |
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left-click and drag the ruler or the ruler end point that should be changed. |
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</p><p> |
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Rulers can be deleted selectively by selecting a ruler in "Select" mode and |
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pressing "Delete". |
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</p><p> |
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Rulers can be modified in a variety of ways. For example, rulers can be shown |
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as arrows. To edit the properties of a ruler, double-click the ruler or |
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select it and use "Properties" from the "Edit" menu. |
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See <a href="ruler_properties.html">Ruler Properties</a> for a description of the |
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properties. |
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</p><p> |
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Multiple templates can be configured to be available for rulers. Each template defined |
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will be shown in the "Ruler" mode toolbar button's drop-down menu. |
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If a template is selected, new rulers produced from this template will inherit |
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the template's properties. Templates are managed in the |
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ruler setup page ("Setup" from the "File" menu) or "Ruler And Annotation Setup" from the "Edit" menu. |
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</p></div> |
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</div> |
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</body> |
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</html> |
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