In Python you can simply subtract two rasters instead of using geoprocessing (raster calculator, subtract, minus)
subtract_result <SPAN class="operator token">=</SPAN> raster_one <SPAN class="operator token">-</SPAN> raster_two<SPAN class="line-numbers-rows"><SPAN></SPAN></SPAN>
Is there a way to do this with the ArcGIS Pro without using the SDK??
The SDK with geoprocessing being
<SPAN class="keyword token">var</SPAN> valueArray <SPAN class="operator token">=</SPAN> Geoprocessing<SPAN class="punctuation token">.</SPAN><SPAN class="token function">MakeValueArray</SPAN><SPAN class="punctuation token">(</SPAN>rasterOne<SPAN class="punctuation token">,</SPAN> rasterTwo<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>
<SPAN class="keyword token">var</SPAN> gpresult <SPAN class="operator token">=</SPAN> <SPAN class="keyword token">await</SPAN> Geoprocessing<SPAN class="punctuation token">.</SPAN><SPAN class="token function">ExecuteToolAsync</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="string token">"Minus_sa"</SPAN><SPAN class="punctuation token">,</SPAN> valueArray<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN><SPAN class="line-numbers-rows"><SPAN></SPAN><SPAN></SPAN></SPAN>