ProjectionTransformation wgs84

nicogis

if I write projection trasformation using wgs84 the create method crash. If I use another sr != 4326 the create method is OK. Is a bug?

&nbsp; SpatialReference sr4326 <SPAN class="operator token">=</SPAN> SpatialReferences<SPAN class="punctuation token">.</SPAN>WGS84<SPAN class="punctuation token">;</SPAN>
&nbsp; SpatialReference sr3857 <SPAN class="operator token">=</SPAN> SpatialReferences<SPAN class="punctuation token">.</SPAN>WebMercator<SPAN class="punctuation token">;</SPAN>

&nbsp; ProjectionTransformation projTransFromSRs <SPAN class="operator token">=</SPAN> ArcGIS<SPAN class="punctuation token">.</SPAN>Core<SPAN class="punctuation token">.</SPAN>Geometry<SPAN class="punctuation token">.</SPAN>ProjectionTransformation<SPAN class="punctuation token">.</SPAN><SPAN class="token function">Create</SPAN><SPAN class="punctuation token">(</SPAN>sr3857<SPAN class="punctuation token">,</SPAN>sr4326<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>
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CharlesMacleod

Hi Domenico, this is definitely a bug. Thanks! We will fix at 1.2. "projTransFromSRs" should be returned but, of course, its Transformation property will be null in this case.

Note: "==" is not overloaded so the false is because the SRs are not the same instance. Please use "IsEqual".

Said another way:

var sr1 = new SpatialReferenceBuilder(SpatialReferences.WGS84.Wkid).ToSpatialReference();

var sr2 = new SpatialReferenceBuilder(SpatialReferences.WGS84.Wkid).ToSpatialReference();

sr1 == sr2 //False!

sr1.IsEqual(sr2) //True!