[GRASS-user] using v.edit to split a line feature

2014-06-10 Thread Heinz Chen
Hi, guys, I want to follow the answer in this post splitting a lines layer using points http://gis.stackexchange.com/questions/85226/splitting-a-lines-layer-using-points to split a line by nearby points, all I want to ask is can v.edit split a line just using the coordinates of nearby points, and

Re: [GRASS-user] using v.edit to split a line feature

2014-06-10 Thread Micha Silver
On 10/06/2014 09:23, Heinz Chen wrote: Hi, guys, I want to follow the answer in this post splitting a lines layer using points to split a line by nearby points, all I want to ask is can v.edit split a line just using the

Re: [GRASS-user] logarithmic scale in raster legend

2014-06-10 Thread Daniel Victoria
What if you use r.mapcalc and apply log to your map to make a new one with rescaled values? On Jun 9, 2014 12:36 PM, Veronica Andreo veroand...@gmail.com wrote: Hi list! I have these raster maps of chlorophyll concentration (mg/m3) with a lot of very small values (from 0.02 to 1.5) and few

Re: [GRASS-user] logarithmic scale in raster legend

2014-06-10 Thread Veronica Andreo
Yeah, I also tried that, and of course, I get a nice gradient in the legend, but then I need to somehow edit tick-marks. Logarithm of chlorophyll concentration is, from my point of view, uninformative. I need the actual values. I just want to change the display of the legend, like making log of x

Re: [GRASS-user] logarithmic scale in raster legend

2014-06-10 Thread Daniel Victoria
You are correct. Then I have no idea how to do this... On Tue, Jun 10, 2014 at 9:32 AM, Veronica Andreo veroand...@gmail.com wrote: Yeah, I also tried that, and of course, I get a nice gradient in the legend, but then I need to somehow edit tick-marks. Logarithm of chlorophyll concentration

Re: [GRASS-user] Apparent missing elevation values

2014-06-10 Thread Micha Silver
On 10-Jun-14 7:35 PM, Crutchley, Simon wrote: I'm new to GRASS. I've tried using my own data and am hitting a problem I don't understand. I've an elevation dataset with values ranging from 36-98m. The histogram shows a range of values. When I run profile