qsol | lucene queryparser that allows for complex boolean
kandi X-RAY | qsol Summary
kandi X-RAY | qsol Summary
I wrote this query parser a few years back with the goal of creating something that could handle sentence/paragraph within n proximity searches, somewhat mimic legacy query syntaxes, allow a mix of proximity and boolean clauses (eg {mark | miller} 'within 3 words of' toast), and properly handle precedence of operators in a configurable manner. Qsol can be pretty powerful in that regard, but the code base is rather intense for a QueryParser and I haven’t waded into it for some time now – other than for the occasional bug fix. Most of the users of Qsol have rather niche requirements when it comes to a QueryParser. Qsol is configurable up the wahzoo. I saw that someone ported part of Qsol to Solr a while back, but I’m not sure how far along that patch is. Where is the Changes History?.
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Top functions reviewed by kandi - BETA
- Generate the search expression
- Processes the basic search
- Process a search
- Processes a search
- Processes the search
- Visit a search
- Visit a search node
- Visit CheckOrd1 search
- Visit a SearchToken
- Visit a check order
- Emit the results of a search
- Visit a FieldSearch
- Visit a CheckOrd1Search
- Visits a search token
- Visit check ord4
- Visit an ord1 search
- Visit an OrderedSearch
- Visit a CheckOrd3 search
- Visit a search n
- Visit a search search
- Process a search token
- Generate a FieldSearch
- Invokes the appropriate Filter implementation
- Visit a node list
- Visit a parenthesis search
- Visit a sequence of nodes
- Visit nodes
- Distribute a query to a proximity search
- Distributes the query results into a boolean query
- Distribute term query to the spanQuery
- Distribute a remote distribution
qsol Key Features
qsol Examples and Code Snippets
Community Discussions
Trending Discussions on qsol
QUESTION
I have a question about inverseKinTraj
class.
It seems to return qsol
as well as qdotsol
and qddotsol
and I would like to add velocity constraint on the time step.
For example, I would like to add A(q(t))*qdot(t) = Constant
and (q(t+1)-q(t))/dt=qdot(t+1)
. Is there any way I could impose velocity level constraints on the inverse kinematic trajectory?
ANSWER
Answered 2018-Sep-04 at 17:58inverseKinTraj
doesn't offer the API for constraint A(q(t)) * qdot(t) = constant
.
Moreover, inverseKinTraj
assumes that the trajectory is a piecewise cubic spline (namely it has continuous joint velocity/acceleration), so we cannot do the backward Euler integration (q(t+1) - q(t)) / dt = qdot(t+1)
, which doesn't give a continuous joint velocity/acceleration.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install qsol
You can use qsol like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the qsol component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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