Design of SW to map the tables of dimensions xy
Hello.
I am trying to build a SW of automatic measurement of the sensors.
My sensors are on a 2 "" / 4 "wafer and differs in each plate." I would design the SW to receive parameters of the user and therefore, control the motors to move the step in the right position for the measure.
The distance between each adjacent sensors is the same in x and y. One of the problems is that the amount of the sensors are not the same in each line.
Any suggestions for unemployment insurance and implementation?
Thank you
Sagi
The only way I can think to do would be to have two reference points. We could be the either exactly at the center of the plate, or when the wafer edge passes exactly through the x or is axis. The other would be the position x - y of the outdoor sensor on the plate with R_max = sqrt(x_max^2+y_max^2). From there create a x - y 2d sensors located in the largest 2R 2R x square that surrounds exactly the entire plate. Use a nested structure of loop that includes all points in the great square of x 2R 2R. The use of loops inside a case structure check the position of the sensor is within the limits R<= r_max,="" and="" only="" move="" to="" sensors="" that="" satisfy="" the="">=>
Brian
Tags: NI Software
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1.warehouse_time_dim_table
2.source_sales_tablethen, write the join condition,
warehouse_time_dim_table.day_date = source_sales_table.dateWho will solve the purpose.
See you soon
Katia -
Philosophical question about the design of the table
I'm new in the world of RDBMS. I read a lot but have little practical experience. I'm upgrading of old applications that I know well. I'm interested in advice/opinions on a number of issues, from it.
My application periodically (at the discretion of the user, so can be daily, weekly or monthly) should take a snapshot of some data. This snapshot is then used for various activities, such as a control point of reconciliation with external clients - so it must be 'frozen' rather than be derived at a later date. But if the snapshot proved to be a mistake, I can possibly be rerun (crushed) - requiring all lines to delete everything first.
Data must be accessible in different ways, everything would need the date of snapshot to be part of the index or a group of clauses.
Snapshots can be copied or replicated to other servers for purposes to relieve the burden of filing database. Old clichés may be archived, ignored backups of routine, deleted and so on.
Is there a case for the inclusion of the date of snapshot as part of the name of the table? It would simplify the index structures, reduce the size of the individual table, perhaps to improve the competition (for users who access an old cliché while another is being created), facilitate separate archiving and much easier to drop and create table to remove all the lines before a replay. Of course, it reduces the size of the table that could potentially become very large.
However, the previous snapshot is used as a starting point for the following, or a subsequent repeat) you need to be able to quickly determine who is the nearest date start - easy if they are all in 1 table, can be more load trying to determine is whether a specific table at the time to a given date.
I look forward to some expert advice. :)
CSuser8821725 wrote:
Is there a case for the inclusion of the date of snapshot as part of the name of the table?
No--not from a point of view of the data modeling. The snapshot date is an attribute. Attributes are not incorporated in the name of the entity being modeled.
However, you can decide to implement the instant entity tabular instant daily - but the attribute date (column) will always be an attribute. In other words, you must not remove the attribute date as a table column as the table name now.
This decision (implemented as a multi table entity) have meaning when not having is not a better way to manage the physical aspects of the table. Partitioning for example would be a much better option to use - a single partitioned table, containing multiple partitions, where a partition physically contains data for a specific instant day (including the index).
Basically, there is a very clear line between the logical data modeling and the material realization of this model. Oracle provides a bunch of features that you can use on the side of the material realization. As index organized tables. Table of clusters, partitioning and so on. But how you implement the physical model does not dictate the design of the logic model.
However, the previous snapshot is used as a starting point for the following, or a subsequent repeat) you need to be able to quickly determine who is the nearest date start - easy if they are all in 1 table, can be more load trying to determine is whether a specific table at the time to a given date.
I would use a management entity - that describes the metadata for a snapshot. As when it was created, the filter criteria used, the time it took (still useful for performance and troubleshooting purposes), be it an an active/valid capture instant or not - or any other attributes necessarily to manage this logical snapshot as a set of data.
The biggest problem with a physical model that uses separate physical tables for the same entity, it is appropriate to use table name must be determined at run time. This means dynamic SQL. Dynamic SQL means an increase in complexity, open any SQL injection holes, having to deal with errors which would not intervene with static SQL, etc.
If this approach to your data model's physical implementation needs a review carefully to ensure that it works as efficiently and effectively as required.
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Hello
I am writing a javascript to add a column at the end of the table in the Indesign document. using our plug-in, we have created the Indesign document.
Each table I want to add an extra column at the end. Is it possible... ? Please help me if anyone has the idea in this regard.
Thank you
Vimala L
Hi Vimala,
Please try the JS code below, copy the following code will add the new column in each table last column after.
var myTable = app.activeDocument.stories.everyItem().tables.everyItem().getElements(); for(i=0; i
THX,
csm_phil
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