Re: [GRASS-dev] How to create union of areas with isles

Absolutely agree that grass needs that. I might take this task after I finish the buffer module (very soon). 2008/8/12 Markus Neteler <[EMAIL PROTECTED]>: > On Tue, Aug 12, 2008 at 10:39 PM, Moritz Lennert > <[EMAIL PROTECTED]> wrote: >> On 12/08/08 17:53, Росен Матев wrote: >>> >>> I came up with

Re: [GRASS-dev] How to create union of areas with isles

On Tue, Aug 12, 2008 at 10:39 PM, Moritz Lennert <[EMAIL PROTECTED]> wrote: > On 12/08/08 17:53, Росен Матев wrote: >> >> I came up with something similar to v.overlay and the old buffer >> module. I'm only concerned that it might be slow but I think we can >> use a spatial index to improve it alot

Re: [GRASS-dev] How to create union of areas with isles

On 12/08/08 17:53, Росен Матев wrote: I came up with something similar to v.overlay and the old buffer module. I'm only concerned that it might be slow but I think we can use a spatial index to improve it alot This brings up the need to have permanent (file-based) spatial index, instead of onl

Re: [GRASS-dev] How to create union of areas with isles

I came up with something similar to v.overlay and the old buffer module. I'm only concerned that it might be slow but I think we can use a spatial index to improve it alot On Tue, Aug 12, 2008 at 10:23 AM, Hamish <[EMAIL PROTECTED]> wrote: > Росен Матев wrote: >> I'm almost done with the new v.buf

Re: [GRASS-dev] How to create union of areas with isles

Росен Матев wrote: > I'm almost done with the new v.buffer module, but I > need some help to finish it. > I have the following problem. Suppose we have several > line_pnts structs: > I.e. we have nice areas). How to create the map which > consists of the union of those areas A,B,... (Most of

Re: [GRASS-dev] How to create union of areas with isles

On 09.08.2008 23:35, ? ? wrote: Hi, I'm almost done with the new v.buffer module, but I need some help to finish it. I have the following problem. Suppose we have several line_pnts structs: A0, A1, A2, , An; B0, B1, B2, ..., Bm; ... (All lines are not self-intersecting) Here A0, B0,

[GRASS-dev] How to create union of areas with isles

Hi, I'm almost done with the new v.buffer module, but I need some help to finish it. I have the following problem. Suppose we have several line_pnts structs: A0, A1, A2, , An; B0, B1, B2, ..., Bm; ... (All lines are not self-intersecting) Here A0, B0, ... represent outer contours of areas and