Re: [QGIS-Developer] [Qgis-user] Wrong result with Saga Raster calculator

2017-06-02 Thread Pedro Venâncio
Hi Eugenio, I've opened a ticket in QGIS bug tracker, to try to identify the source of the problem: https://issues.qgis.org/issues/16646 Please see the recent findings and give your feedback there. Thanks! Best regards, Pedro Venâncio 2017-06-01 8:43 GMT+01:00 Eugenio Trumpy : > Hi Pedr

Re: [QGIS-Developer] [Qgis-user] Wrong result with Saga Raster calculator

2017-06-01 Thread Eugenio Trumpy
Hi Pedro, I did the same for 5 pixels in the test raster I shared with you yesterday. The different seems to be a little bit greater. See the attached sheet. I don't know if the version of saga, 2.3.1 the mine vs 2.3.2 the yours could generate this error, or if the problem is in qgis proces

Re: [QGIS-Developer] [Qgis-user] Wrong result with Saga Raster calculator

2017-06-01 Thread Eugenio Trumpy
Hi Pedro, thank you again. If it helps, yesterday I tested the two operation in separate process, I mean I performed Formula 1 and I saved the result as tif, the I run the formula 2. I saw that there wasn't errors. So I guess the problem is when I concatenate the computations in a single pro

Re: [QGIS-Developer] [Qgis-user] Wrong result with Saga Raster calculator

2017-05-31 Thread Pedro Venâncio
Hi Eugenio, I've created a sample processing model (attached), that works ok, except a small error in the result (decimals). For instance: *Raster* *ID* *Pixel value* Z_top_res a 1202,03510276 t_top_res b 53,6123428345 topo c1 -182,584899902 SAGA Result 1 c 15,1783676147 SAGA Result 2 d 31,94373