geom

func BoundsGeom(xmin, xmax, ymin, ymax float64) (*geos.Geom, error)

func BoundsWKT(xmin, xmax, ymin, ymax float64) string

func CenterFromGeometry(g *geos.Geom) []float64

func CircleGeom(origin []float64, radius float64, numPoints int) (*geos.Geom, error)

func CircleWKT(origin []float64, radius float64, numPoints int) (string, error)

func DrawCoordLine(gc draw2d.GraphicContext, lineCoords [][]float64, lineWidth float64, fillColor color.Color, strokeWidth float64, strokeColor color.Color, scale func(x, y float64) (float64, float64)) error

func DrawDot(gc *draw2dimg.GraphicContext, radius, x, y float64) error

func DrawLine(gc draw2d.GraphicContext, g *geos.Geom, lineWidth float64, fillColor color.Color, strokeWidth float64, strokeColor color.Color, scale func(x, y float64) (float64, float64)) error

func DrawPoint(gc draw2d.GraphicContext, g *geos.Geom, radius float64, fillColor color.Color, strokeWidth float64, strokeColor color.Color, scale func(x, y float64) (float64, float64)) error

func DrawPolygon(gc draw2d.GraphicContext, g *geos.Geom, fillColor color.Color, strokeColor color.Color, strokeWidth float64, scale func(x, y float64) (float64, float64)) error

func DrawRune(gc *draw2dimg.GraphicContext, pos []float64, f font.Face, rotation float64, char rune) error

func DrawString(gc *draw2dimg.GraphicContext, pos []float64, rotation float64, text string) error

func GetGeometryCenter(g *geos.Geom, scale func(x, y float64) (float64, float64)) ([]float64, error)

func GetOrd(cs *geos.CoordSeq, fn func(*geos.CoordSeq, int) float64) func(int) float64

func GetPoints(list ...*geos.Geom) *[][]float64

func ScaleLine(g *geos.Geom, scale func(x, y float64) (float64, float64)) (*geos.Geom, error)

func SimplifyGeom(g *geos.Geom, lvl float64) *geos.Geom

func ToLineString(g *geos.Geom) (*geos.Geom, error)

func ToPolygon(g *geos.Geom) (*geos.Geom, error)