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--- software:cram:development_experiences:new_goals [2013/04/26 11:44] – [How to use/achieve the new plan] bartelsg
+++ software:cram:development_experiences:new_goals [2016/05/19 09:19] (current) – external edit 127.0.0.1
@@ Line 26: / Line 26: @@
 </code>
-==== Hard lesson 1 ====
+Catch #1: If you one of your manipulation process modules, e.g. the pr2_manipulation_process_module, uses the same designator properties it also has to export the same properties. I (Georg) do not understand why but Jan says this necessary for them to talk about the same symbol.
-Now comes the catch: You also need to export the goal-symbol from the package cram_plan_knowledge! The reason for this was not clear at the time of writing... Thus, yuo also need to add #:flip-pancake to package.lisp of cram_plan_library. Otherwise you will get a warning like this when trying to achieve flip-pancake:
+Catch #2: You also need to export the goal-symbol, i.e. flip-pancake, from the package cram_plan_knowledge! The reason for this was not clear at the time of writing... Thus, yuo also need to add #:flip-pancake to package.lisp of cram_plan_library. Otherwise you will get a warning like this when trying to achieve flip-pancake:
 <code>
@@ Line 37: / Line 38: @@
 ==== How to use/achieve the new plan ====
-If you want to achieve your new goal, e.g. like this:
+You can now try to achieve your new goal like this:
 <code lisp>
@@ Line 45: / Line 46: @@
     (achieve `(flip-pancake))))
 </code>
+You need to make sure that cram_environment_representation is loaded (either in your package that uses cram_plan_library or in your REPL). Otherwise (holds ...) will not be known.