Questions tagged [level-of-detail]
86 questions
2
votes
1 answer
Histogram in tableau
In campaign analysis in a B2B set up I want to see how many days an organisation takes to convert from lead to customer after seeing a campaign in the form of an histogram.
Below is the sample data set where there are multiple lead underneath an…

joy_1379
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2
votes
1 answer
Tableau LOD to find out first date for each field value
I have a table for challenge_submissions -
date submitter challenge
8/10/2020 9:02:16 AM tim Challenge1
8/10/2020 11:22:04 AM morty Challenge2
8/10/2020 11:45:10 AM morty …

harry04
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2
votes
1 answer
Comparing Dates by Fixed Level of Detail in mySQL
Good Morning,
I'm trying to create a mySQL query with the following output:
In order to get the 60_days_since_seen, I need to compare the reference_date for the current row to the next most recent reference_date relative to the unique_identifier…

Mr. Analytics
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- 3
2
votes
1 answer
Tableau Level of Detail Calculation
I am working on building a Tableau dashboard and just recently learned about the new Level-of-Detail calculations released in Tableau v9. The raw data is structured as follows:
User Workflow Step Time Spent in Workflow Step
1 a …

Andrew Neeld
- 113
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2
votes
1 answer
3D rendering performance / pipeline for level of detail (LOD) meshes in threejs
Just looking for some general guidance, it's been a very long time since I fiddled with anything 3D and the landscape has changed a lot, if you pardon the awful pun.
I have a number of highly detailed 3d models (3M+ faces each) generated from…

Alan MacLeod
- 23
- 4
2
votes
1 answer
Tableau - Conditions on LOD Expression
I have a purchase_log table which has the following fields:
uid, date, category, amount
And I would like to know the first and second purchases dates for each user of each category.
For example:
+-----+------+----------+--------+
| uid | date |…

CanCeylan
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2
votes
1 answer
OpenLayers support for Level of Details in KML
Does OpenLayers support toggling visibility of regions based on Level of Details tag ( )? As far as I researched and tried, none of the example KML from the reference mentioned works on OpenLayers/Google Maps. You may also be interested in…

zdanowiczkonrad
- 95
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1
vote
1 answer
Storage of 2d data at irregular rates
This is for a Terrain Generation and rendering program.
I have a loop that looks like this:
x = -MAX_SIGHT_DISTANCE;
y = -MAX_SIGHT_WIDTH;
while (x < MAX_SIGHT_DISTANCE)
{
while (y < MAX_SIGHT_WIDTH)
{
value = noise2d(x+camera.x,…

Orpheon
- 181
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- 10
1
vote
1 answer
Tableau FIXED LOD vs COUNTD
I am working with a dataset containing 22,232,726 entries collected between 2008 and 2021. Because original entries can not be deleted from the database, a new entry must be created with the same ID to update an observation.
I want to remove all…

Bruna Faustino
- 21
- 3
1
vote
1 answer
does fixed LOD expression return row-level values?
I have difficulties to understand how we can say that fixed LOD expressions return "row-level values" (ref)
Definition of row-level expressions ref: Expressions referencing unaggregated data source columns (e.g.,[Sales] / [Profit]) and computed…

Alexis
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1
vote
0 answers
The right way to handle procedural LOD, distant terrain chunks
I would really appreciate your thoughts on compute-generated terrain, LOD, etc. and what the 'right way' to do it is.
Here's my current plan:
I'm procedurally generating a large finite world, where at any point most or all of the map is…

averagescripter
- 93
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- 9
1
vote
0 answers
VkSampler ignoring maxLod
I am having the problem where a VkSampler texture samplers is ignoring the maxLod field of the VkSamplerCreateInfo used in the creation of the sampler and simply rendering the mip level 0 of the image. At first I thought it was that the mipmaps were…

floomby
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1
vote
1 answer
Counting max boolean in Tableau using LOD
I have some data that looks like the following, where the same Id is repeated in multiple rows, but different Victory values.
Id
Victory
1
FALSE
1
FALSE
1
TRUE
2
FALSE
2
FALSE
2
TRUE
3
FALSE
3
FALSE
3
FALSE
I am trying to…

Morten
- 487
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1
vote
1 answer
Aggregate values according to date granularity
I am facing an issue I can't solve by my own.
I am working with time series. So I have date in column. The granularity can be YEAR, QUARTER & MONTH.
I wanted to know how to display the SUM of the LASTEST MONTH of the selected date granularity.
For…

Max
- 73
- 7
1
vote
1 answer
Handling repeated records in Tableau fixed calculation
I am trying to write a fixed calculation in tableau to get the minimum start date of employee when there is a change in Subteam.
Attached a screenshot to give you an idea of what I am trying to do.
It has my current result and expected result as…

Rajesh Kota
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