Explore features from layers in a cascading style, by selecting level one layer from a drop-down list which will highligth and zoom on the selected features then a new drop-down list will appear for level two layer filtered by the previous level features and so one based on the number of levels configured
WMS tested version is 1.0.0
Her we have five cascading layers, at least add the first two layers each layer have its own level field and code field where the code field is the field existing in each level and connecting this level with the previous one and the level field is the code field of all the previous levels
Here you will select the first level layer
Select the code field of level one layer, mandatory field
Here you will select the second level layer
Select the code field of level two layer, mandatory field
It is the relational field of level one layer (the code field of level one), mandatory field
Here you will select the third level layer
Select the code field of level three layer, mandatory field
It is the relational field of level one layer (the code field of level one) , optional field
It is the relational field of level two layer (the code field of level two), mandatory field
Here you will select the fourth level layer
Select the code field of level four layer, mandatory field
It is the relational field of level one layer (the code field of level one), optional field
It is the relational field of level two layer (the code field of level two), optional field
It is the relational field of level three layer (the code field of level three), mandatory field
Here you will select the fifth level layer
Select the code field of level five layer, mandatory field
It is the relational field of level one layer (the code field of level one), optional field
It is the relational field of level two layer (the code field of level two), optional field
It is the relational field of level three layer (the code field of level three), optional field
It is the relational field of level four layer (the code field of level four), mandatory field