coordinate-systems

How to move within Cartesian space along cardinal directions while limiting turns?

Given is a Cartesian coordiante system, a from-position A (X/Y), and a to-position B (X/Y). I want to move from A to B. However, I can only move on the eight directions N, NE, E, SE, S, SW, W, NW.[详细]

2023-04-04 18:37 分类：问答

Peculiar situation with a derived class using a line geometry

So using the line shape which has properties (X1, Y1, X2, Y2), uses the coordinate system relative to the space given to the Line element (that is, it is not absolute, or at least the one used by the[详细]

2023-04-02 19:39 分类：问答

JFreeChart interactive chart editing: transforming mouse coordinates into series values

I have an XYLineChart built with JFreeChart. I need, given that chart and a ChartMouseEvent, retrieve the X value of the displayde series closest to the point where the mouse has been clicked.[详细]

2023-03-30 20:11 分类：问答

JFreeChart interactive chart editing handling ChartMouseEvent

I\'m trying to intercept ChartMouseEvent in order to modify an XYSeries of a JFreeChart object created with ChartFactory.createXYLineChart method (and displayed using a JDialog).[详细]

2023-03-30 11:43 分类：问答

How Can I Use (Ruby) RGeo to Transform (Unproject) Coordinates

I started with How can I transform the coordinates of a Shapefile? . The response there started me on [what I think is] the right track, but I still haven\'t been able to solve my problem.[详细]

2023-03-27 14:10 分类：问答

converting to Barycentric coordinate system

I hav开发者_如何学运维e a set of planes which I have calculated the points of intersection in the standard XYZ cartesian coordinate system. I have used actionscript.[详细]

2023-03-26 21:41 分类：问答

Mac OS X Cocoa, Flipping Y Coordinate in Global Screen Coordinate Space

How do I flip the y value of an NSPoint to a flipped coordinate space. I have two sources of points, both in global screen space, but one is flipped:[详细]

2023-03-25 15:45 分类：问答

Display fonts in XNA with 3-dimensional coordinate primitives

I am making a simulation with XNA 4.0. We can display fonts but onl开发者_开发知识库y with 2D coordinates, I need to display fonts with 3D coordinates. Please Help any technique how can i accomplish[详细]

2023-03-25 05:32 分类：问答

Confused Regarding World View Projection Matrix question for Ray Tracing using XNA

So I\'ve decided to rewrite an old ray tracer I had which was written in C++ and to do it in C#, leveraging the XNA framework.[详细]

2023-03-23 21:13 分类：问答

Java JComponent - start painting from lower left corner?

I\'m overriding the paintComponent method for a background in a JComponent and all is going well. However, I want to start painting from the lower left cor开发者_开发技巧ner instead of the upper left[详细]

2023-03-23 02:58 分类：问答