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Having some Geometry data and a Transform how can the transform be applied to the Geometry to get a new Geometry with it's data transformed ?
Ex: I Have a Path object that has it's Path.Data set to a PathGeometry object, I want to tranform the points ...
Started by Pop Catalin on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
One catch is that Combine only works if....
You can scan the PathGeometry list of figures and segments .
There are two things you have to consider:
Geometry inherits from Freezable, you can't modify the geometry object in-place if it's frozen.
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What's the difference between mesh and geometry? Aren't they the same? i.e. collection of vertices that form triangles?
Started by tep on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
A curve is geometry....
A point is geometry, but it is not a mesh.
From Wikipedia :
Geometry and with properties of space
IMO a mesh falls under that criteria.
A mesh is simply a more complex shape.
Or a mixture of various polygons.
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I'm creating a Google map mashup and am using SQL 2008.
I will have a large number of points on the earth and will want to perform various calculations on them in SQL - such as selecting all points contained within a particular polygone, or select all...
Started by Mr. Flibble on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Geometry datatype is an older data type that has manyMost likely you....
Should I use geometry or geography?
Short Answer: geography is a new data type that supports long range and you have data from all over the world.
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I have a postgres database with millions of rows in it it has a column called geom which contains the boundary of a property.
using a python script i am extracting the information from this table and re-inserting it into a new table.
when i insert in ...
Started by ADAM on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
There are many geometry type -- -- - - - - - - - - - - - - - ....
This astonishingly useful bit of PostGIS SQL should help you figure it out.. .
The best answer depends on the size.
Query that produced the data to avoid selecting it at all.
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If I construct a shape using constructive solid geometry techniques, how can I construct a wireframe mesh for rendering? I'm aware of algorithms for directly rendering CSG shapes, but I want to convert it into a wireframe mesh just once so that I can ...
Started by Martin on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
The basic idea is to generate a point cloud from the volumetric data available in the CSG model, and then the Marching Cubes algorithm is used to create a 3D mesh out of the voxel data.
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Hello world.
Recently our team was facing the task to build the 2D slice between a plane and some set of 3D geometry (set of triangles). Google hasn't been as helpful as we have wanted it to be, so we turn our attention here to see if anyone has encountered...
Started by Statement on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
ParaViewGeo supports data....
Both have a filter called Slice that does excactly what you're talking about and both allow you to save your data back out.
Your data set in ParaView (paraview.org) or ParaViewGeo (paraviewgeo.mirarco.org).
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I am preparing myself for programming competitions and i would like to know how can i solve this problem. I guess it's geometry problem, and it seems i can't get any ideas about solving it.
Here it is:
There is a yard in which there are wolves and sheep...
Started by qweqwe on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at stackoverflow):
I would solve it with the Flood fill algorithm a simple approach based on two things:
Represent the data as a 2D array
Determine when sheep you do this for each wolf, any remaining....
Doesn't look like a geometry problem to me.
This should work.
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Hello!
I'm developing an application which loads an image, and then i have to mark some points with the mouse, above the image. these points should be on a separate layer, ie i don't want to modify image data.
What is the best way of doing this ? I was...
Started by jose on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
Not directly what you are asking for, but this article might gice you some pointers (unless I totally misunderstand... .
It should be a lot more comfortable to work with than talking directly to directX .
I think WPF have som options for image manipulation.
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What exactly do geometry shaders do? I've read they work on more than one triangle at a time, and they can create vertices, but what kind of effects do they allow for? Procedural generation of geometry? Some kind of truform function that rounds out rough...
Started by Mat3 on
, 11 posts
by 8 people.
Answer Snippets (Read the full thread at beyond3d):
Yes pretty much procedure geometry,
http://www.uni-duesseldorf.de/URZ/ha...y_Shaders.html
For more using geometry shaders and stream out for something What features are modern games and engines geometry shaders and stream out for ....
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Hi
Is there a automatic way to get all the points of an ellipse stroke, without the filling points.
Thanks in advanced
Started by JP on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
In WPF there are no actual "Points" in a geometry:
var newEllipse = new Path { Data = ellipse.DefiningGeometry, Stroke = Brushes.Black.
I'll see if I find another way...
Bad hack...
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