New posts in 3D

How to migrate from ArcGIS for Desktop to QGIS?

Is it possible to create 3D dxf with OGR?

When is a 3D Visualisation in GIS Useful?

Distance between two lines $L_1:\> x+y+z=6,\> x-2z=-5$; $L_2:\> x+2y=3,\> y+2z=3 $

Twisting prisms : Do all polygon prisms behave in the same manner?

Can a circle have a negative radius?

Formula for angle between faces based on angles of corners

Angle between a vector and cross product of two vectors

Probability that $\displaystyle \vert x\vert +\vert y\vert +\vert z\vert +\vert x+y+z\vert=\vert x+y\vert +\vert x+z\vert +\vert y+z\vert$

Viewing a circle from different angles - is the result always an ellipse?