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Node: <a name="Vendor%20drill%20mapping">Vendor drill mapping</a>,
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Previous: <a rel="previous" accesskey="p" href="Measuring-distances.html#Measuring%20distances">Measuring distances</a>,
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Up: <a rel="up" accesskey="u" href="Getting-Started.html#Getting%20Started">Getting Started</a>
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<h3 class="section">Vendor Drill Mapping</h3>
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<p><code>Pcb</code> includes support for mapping drill holes to a specified set
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of sizes used by a particular vendor. Many PCB manufacturers have a
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prefered set of drill sizes and charge extra when others are used.
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The mapping can be performed on an existing design and can also be
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enabled to automatically map drill holes as vias and elements are
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<p>The first step in using the vendor drill mapping feature is to create
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a resource file describing the capabilities of your vendor. The file
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format is the resource file format described in <a href="Resource-Syntax.html#Resource%20Syntax">Resource Syntax</a>.
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A complete example is given below.
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<pre class="example"> # Optional name of the vendor
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vendor = "Vendor Name"
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# units for dimensions in this file.
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# Allowed values: mil/inch/mm
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# When mapping drill sizes, select the nearest size
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# or always round up. Allowed values: up/nearest
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# The list of vendor drill sizes. Units are as specified
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# optional section for skipping mapping of certain elements
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# based on reference designator, value, or description
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# this is useful for critical parts where you may not
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# want to change the drill size. Note that the strings
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# are regular expressions.
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{refdes "^J3$"} # Skip J3.
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{refdes "J3"} # Skip anything with J3 as part of the refdes.
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{refdes "^U[1-3]$" "^X.*"} # Skip U1, U2, U3, and anything starting with X.
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{value "^JOHNSTECH_.*"} # Skip all Johnstech footprints based on the value of a part.
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{descr "^AMP_MICTOR_767054_1$"} # Skip based on the description.
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# If specified, this section will change the current DRC
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# settings for the design. Units are as specified above.
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<p>The vendor resource is loaded using the <em>LoadVendor</em> action.
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This is invoked by entering:
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<pre class="example"> :LoadVendor(vendorfile)
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from within <code>Pcb</code>. Substitute the file name of your vendor
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resource file for <code>vendorfile</code>. This action will load the vendor
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resource and modify all the drill holes in the design as well as the
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default via hole size for the various routing styles.
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<p>Once a vendor drill map has been loaded, new vias and elements will
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automatically have their drill hole sizes mapped to the vendor drill
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table. Automatic drill mapping may be disabled under the "Settings"
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menu. To re-apply an already loaded vendor drill table to a design,
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choose "Apply vendor drill mapping" from the "Connects" menu.
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<p>See <a href="Actions.html#Actions">Actions</a> for a complete description of the actions associated
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with vendor drill mapping.
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<p>Note that the expressions used in the <code>skips</code> section are regular
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expressions. See <a href="Regular-Expressions.html#Regular%20Expressions">Regular Expressions</a> for an introduction to
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