TdhCad_linux for Linux

TdhCad_win for MS Windows

Last Updated February 16, 2012 

for vector based spatial analysis, see TdhGIS

• Click and drag to 
• create entities of many shapes
• Move, rotate and resize entities
• Move points to reshape entities
• Create groups containing entities and other groups
• Create paths containing lines and curves
• Copy and paste entire entities or points between entities
• Change properties including color, width and dashes
• Apply color gradients to entities and groups
• Add a note to any entity
• Use any number of layers
• Merge drawings
• Export drawings to SVG, PNG or PDF files
• Save drawings within project databases
• More, including Snap, Virtual Points, Arrows and FlipY....

all explained within the 12 page user's manual.

About the author; Tim Hirrel (timhirrel@tdhcad.com)