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Arcpy Layer class minScale

DevinUnderwood2

What is the syntax to retrieve all layers' set minimum scale ?

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DevinUnderwood2

<SPAN class="keyword token">for</SPAN> layer <SPAN class="keyword token">in</SPAN> layers<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">if</SPAN> layer<SPAN class="punctuation token">.</SPAN>isFeatureLayer<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; lyr_source <SPAN class="operator token">=</SPAN> layer<SPAN class="punctuation token">.</SPAN>dataSource
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; lyr_name <SPAN class="operator token">=</SPAN> layer<SPAN class="punctuation token">.</SPAN>name<SPAN class="punctuation token">.</SPAN>encode<SPAN class="punctuation token">(</SPAN><SPAN class="string token">"utf8"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"replace"</SPAN><SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> fullpath <SPAN class="operator token">+</SPAN> <SPAN class="string token">" "</SPAN> <SPAN class="operator token">+</SPAN> lyr_source <SPAN class="operator token">+</SPAN> <SPAN class="string token">" "</SPAN> <SPAN class="operator token">+</SPAN> str<SPAN class="punctuation token">(</SPAN>layer<SPAN class="punctuation token">.</SPAN>minScale<SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; scale <SPAN class="operator token">=</SPAN> <SPAN class="punctuation token">[</SPAN>layer<SPAN class="punctuation token">.</SPAN>minScale<SPAN class="punctuation token">]</SPAN>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="comment token"># Write to Excel</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; b <SPAN class="operator token">=</SPAN> fullpath<SPAN class="punctuation token">.</SPAN>split<SPAN class="punctuation token">(</SPAN><SPAN class="string token">'\\'</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="operator token">+</SPAN> lyr_source<SPAN class="punctuation token">.</SPAN>split<SPAN class="punctuation token">(</SPAN><SPAN class="string token">'\\'</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="operator token">+</SPAN> scale
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; writer<SPAN class="punctuation token">.</SPAN>writerow<SPAN class="punctuation token">(</SPAN>b<SPAN class="punctuation token">)</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

Thanks, everyone I arrived at my final solution.

All comments

DevinUnderwood2

<SPAN class="keyword token">for</SPAN> layer <SPAN class="keyword token">in</SPAN> layers<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">if</SPAN> layer<SPAN class="punctuation token">.</SPAN>isFeatureLayer<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; lyr_source <SPAN class="operator token">=</SPAN> layer<SPAN class="punctuation token">.</SPAN>dataSource
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; lyr_name <SPAN class="operator token">=</SPAN> layer<SPAN class="punctuation token">.</SPAN>name<SPAN class="punctuation token">.</SPAN>encode<SPAN class="punctuation token">(</SPAN><SPAN class="string token">"utf8"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"replace"</SPAN><SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> fullpath <SPAN class="operator token">+</SPAN> <SPAN class="string token">" "</SPAN> <SPAN class="operator token">+</SPAN> lyr_source <SPAN class="operator token">+</SPAN> <SPAN class="string token">" "</SPAN> <SPAN class="operator token">+</SPAN> str<SPAN class="punctuation token">(</SPAN>layer<SPAN class="punctuation token">.</SPAN>minScale<SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; scale <SPAN class="operator token">=</SPAN> <SPAN class="punctuation token">[</SPAN>layer<SPAN class="punctuation token">.</SPAN>minScale<SPAN class="punctuation token">]</SPAN>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="comment token"># Write to Excel</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; b <SPAN class="operator token">=</SPAN> fullpath<SPAN class="punctuation token">.</SPAN>split<SPAN class="punctuation token">(</SPAN><SPAN class="string token">'\\'</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="operator token">+</SPAN> lyr_source<SPAN class="punctuation token">.</SPAN>split<SPAN class="punctuation token">(</SPAN><SPAN class="string token">'\\'</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="operator token">+</SPAN> scale
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; writer<SPAN class="punctuation token">.</SPAN>writerow<SPAN class="punctuation token">(</SPAN>b<SPAN class="punctuation token">)</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

Thanks, everyone I arrived at my final solution.

DevinUnderwood2

Perfect, I arrived at the same.

Make sense, set the mxd and loop layers.

I will add this to an existing script that write data to csv.

Thanks

RandyBurton

Try:

mxd <SPAN class="operator token">=</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>mapping<SPAN class="punctuation token">.</SPAN>MapDocument<SPAN class="punctuation token">(</SPAN><SPAN class="string token">"CURRENT"</SPAN><SPAN class="punctuation token">)</SPAN>

<SPAN class="keyword token">for</SPAN> lyr <SPAN class="keyword token">in</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>mapping<SPAN class="punctuation token">.</SPAN>ListLayers<SPAN class="punctuation token">(</SPAN>mxd<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="comment token"># to read minScale</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN> lyr<SPAN class="punctuation token">.</SPAN>minScale
&nbsp;&nbsp;&nbsp; <SPAN class="comment token"># to set minScale</SPAN>
&nbsp;&nbsp;&nbsp; lyr<SPAN class="punctuation token">.</SPAN>minScale <SPAN class="operator token">=</SPAN> <SPAN class="number token">500.0</SPAN>
‍‍‍‍‍‍‍‍‍‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

DevinUnderwood2

I know that it can be done, documentation is lacking.

DanPatterson_Retired

The arcpy help is your best bet... this is the layer section

and from there, nothing too exciting ... maybe... mylayer.minScale if it is property

minScale

(Read and Write)

Provides the ability to set or get the layer's minimum scale threshold.

Double

As for arcpy.... bookmark the start of its menu tree... Arcpy ... , Dr Google isn't very good at tracking down all the properties and methods

DevinUnderwood2

I haven't tried anything yet and yes you are correct as I did not have any luck searching the internet to achieve this.

DanPatterson_Retired

not sure what you mean beyond it returning a double (number). Are you wanting to cycle through all the layers and return the minScale for each? Did you try something and it didn't work?

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