GitHub-Proxy/Slic3r
1
0
Fork 0
mirror of https://git.mirrors.martin98.com/https://github.com/slic3r/Slic3r.git synced 2025-08-12 16:49:03 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Reduce bounds on auto width again (the math likes to go very wide which is not feasible if your nozzle isn't really big).

Browse Source 
Should address #4212
This commit is contained in:
Joseph Lenox 2018-01-05 20:02:54 -06:00
parent d8a331fda0
commit 54e86b7307
2 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
xs/src/libslic3r/Flow.cpp
View File

@ -90,18 +90,18 @@ Flow::_bridge_width(float nozzle_diameter, float bridge_flow_ratio) {
/* This static method returns a sane extrusion width default. */
float
Flow::_auto_width(FlowRole role, float nozzle_diameter, float height) {
Flow::_auto_width(FlowRole role, float nozzle_diameter, float height) const {
// here we calculate a sane default by matching the flow speed (at the nozzle) and the feed rate
// shape: rectangle with semicircles at the ends
float width = ((nozzle_diameter*nozzle_diameter) * PI + (height*height) * (4.0 - PI)) / (4.0 * height);
float min = nozzle_diameter * 1.05;
float max = nozzle_diameter * 3; // cap width to 3x nozzle diameter
float max = nozzle_diameter * 1.25; // cap width to 1.25x nozzle diameter
if (role == frExternalPerimeter || role == frSupportMaterial || role == frSupportMaterialInterface) {
min = max = nozzle_diameter;
min = max = nozzle_diameter*1.1;
} else if (role != frInfill) {
// do not limit width for sparse infill so that we use full native flow for it
max = nozzle_diameter * 1.7;
// limit width a bit for sparse infill to avoid unwanted overextrusion.
max = nozzle_diameter * 1.4;
}
if (width > max) width = max;
if (width < min) width = min;

3
xs/src/libslic3r/Flow.hpp
View File

@ -69,7 +69,8 @@ class Flow
static float _bridge_width(float nozzle_diameter, float bridge_flow_ratio);
/// Calculate a relatively sane extrusion width, based on height and nozzle diameter.
/// Algorithm used does not play nice with layer heights < 0.1mm.
static float _auto_width(FlowRole role, float nozzle_diameter, float height);
/// To avoid extra headaches, min and max are capped at 105% and 125% of nozzle diameter.
static float _auto_width(FlowRole role, float nozzle_diameter, float height) const;
static float _width_from_spacing(float spacing, float nozzle_diameter, float height, bool bridge);
};